2024-03-28T19:47:44Zhttps://bibdigital.epn.edu.ec/oai/requestoai:bibdigital.epn.edu.ec:15000/92862019-04-07T14:57:03Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Sadati, Nasser
Mansoor Isvand, Yousefi
2007-03-21T13:56:39Z
2010-09-07T16:32:44Z
2011-03-10T14:33:24Z
2007-03-21T13:56:39Z
2010-09-07T16:32:44Z
2011-03-10T14:33:24Z
2007-03-21T13:56:39Z
http://bibdigital.epn.edu.ec/handle/15000/9286
We consider the problem of minimizing rank of a matrix under linear and nonlinear matrix inequality constraints. This problem arises in diverse applications such as estimation, control and signal processing and it is known to be computationally NP-hard even when constraints are linear .In this paper, we first formulize the RMP as an optimization
problem with linear objective and simple nonlinear semialgebraic constraints. We then proceed to solve the problem with augmented Lagrangian method known in nonlinear optimization. Despite of other heuristic and
approximate methods in the subject, this method guarantees to find the global optimum in the sense that it does not depends on
the choice of initial point for convergence. Several numerical examples demonstrate the effectiveness of the considered algorithm.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-21T13:56:38Z
No. of bitstreams: 1
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Previous issue date: 2007-03-21T13:56:39Z
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Previous issue date: 2007-03-21T13:56:39Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
OPTIMIZACIÓN
ALGORITMOS
PROCESAMIENTO DE LA SEÑAL
OPTIMIZATION
ALGORITHMS
SIGNAL PROCESSING
A Nonlinear SDP Approach for Matrix Rank Minimization Problem with Applications
Article
LICENSE
license.txt
text/plain
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ORIGINAL
P0171.pdf
application/pdf
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P0171.pdf.txt
P0171.pdf.txt
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text/plain
31855
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02a190d183b051d2329319a832bf559b
MD5
3
15000/9286
oai:bibdigital.epn.edu.ec:15000/9286
2019-04-07 09:57:03.174
Repositorio Digital - EPN
dspace@epn.edu.ec
oai:bibdigital.epn.edu.ec:15000/92962019-04-07T23:36:49Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Orozco, M. L.
Vásquez, H.
2007-03-12T16:29:38Z
2010-09-07T16:32:48Z
2011-03-10T14:33:25Z
2007-03-12T16:29:38Z
2010-09-07T16:32:48Z
2011-03-10T14:33:25Z
2007-03-12T16:29:38Z
http://bibdigital.epn.edu.ec/handle/15000/9296
This paper presents the results obtained in the performance of a digital excitation system designed with digital signal processor (DSP). The modeling of the plant, the structure of the synchronous generator terminal voltage control and the models of limiters were developed as routines or programmed algorithms in the DSP.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-12T16:29:38Z
No. of bitstreams: 1
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Made available in DSpace on 2007-03-12T16:29:38Z (GMT). No. of bitstreams: 1
P0126.pdf: 361001 bytes, checksum: 0b5d5738035f5b886835723bcd767afa (MD5)
Made available in DSpace on 2010-09-07T16:32:48Z (GMT). No. of bitstreams: 2
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Previous issue date: 2007-03-12T16:29:38Z
Made available in DSpace on 2011-03-10T14:33:25Z (GMT). No. of bitstreams: 2
P0126.pdf: 361001 bytes, checksum: 0b5d5738035f5b886835723bcd767afa (MD5)
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Previous issue date: 2007-03-12T16:29:38Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
SISTEMAS DE CONTROL
GENERADORES SÍNCRONOS
CONTROL SYSTEMS
SYCHRONOUS GENERATORS
Dynamic Performance of an Excitation System Built in a Digital Way
Article
ORIGINAL
P0126.pdf
application/pdf
361001
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0b5d5738035f5b886835723bcd767afa
MD5
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LICENSE
license.txt
text/plain
1832
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cd627ba9542c0578171f1124cf3b9844
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TEXT
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20182
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2bf03b289d3b36adfd496e8a431d6d52
MD5
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15000/9296
oai:bibdigital.epn.edu.ec:15000/9296
2019-04-07 18:36:49.813
Repositorio Digital - EPN
dspace@epn.edu.ec
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
oai:bibdigital.epn.edu.ec:15000/92972019-04-08T06:46:18Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Casares, M.
Pinto, A.
Sánchez Terán, Alberto
2007-03-21T16:12:42Z
2010-09-07T16:32:48Z
2011-03-10T14:33:25Z
2007-03-21T16:12:42Z
2010-09-07T16:32:48Z
2011-03-10T14:33:25Z
2007-03-21T16:12:42Z
http://bibdigital.epn.edu.ec/handle/15000/9297
This paper reports on the design and con-
struction of a prototype for the measurement of Nitrate-Nitrogen (NO− − N) concentration in urban wastewater for real-time nitrate control in treatment plants. The system
acquires the sample in an automatic mode and performs the measurement using an ion selective electrode (ISE). Additionaly the equipment has a friendly user interface
and can exchange data with a supervisory system, using the MODBUS protocol over a RS-485 interface.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-21T16:12:42Z
No. of bitstreams: 1
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Previous issue date: 2007-03-21T16:12:42Z
Made available in DSpace on 2011-03-10T14:33:25Z (GMT). No. of bitstreams: 2
P0181.pdf: 305797 bytes, checksum: c12172afb87682d1dfe4049f71c505f9 (MD5)
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Previous issue date: 2007-03-21T16:12:42Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
CONTROL DE PROCESOS
TRATAMIENTO DE AGUAS RESIDUALES
PROCESS CONTROL
WASTEWATER TREATMENT
Development of NO3 - N Analyser for Real-Time Nitrate Control in a Pilot Urban Wastewater Treatment Plant
Article
ORIGINAL
P0181.pdf
application/pdf
305797
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c12172afb87682d1dfe4049f71c505f9
MD5
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LICENSE
license.txt
text/plain
1832
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0dd9dd84d49bd92827f652eaa1950557
MD5
2
TEXT
P0181.pdf.txt
P0181.pdf.txt
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16081
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4e3dd0a2be840ca4dc0becd3c600734d
MD5
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P0181.pdf.txt
P0181.pdf.txt
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16081
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4e3dd0a2be840ca4dc0becd3c600734d
MD5
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15000/9297
oai:bibdigital.epn.edu.ec:15000/9297
2019-04-08 01:46:18.859
Repositorio Digital - EPN
dspace@epn.edu.ec
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
oai:bibdigital.epn.edu.ec:15000/92982019-04-07T23:37:20Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Butt, Naveed R.
Cheded, L.
2007-03-20T14:02:23Z
2010-09-07T16:32:48Z
2011-03-10T14:33:25Z
2007-03-20T14:02:23Z
2010-09-07T16:32:48Z
2011-03-10T14:33:25Z
2007-03-20T14:02:23Z
http://bibdigital.epn.edu.ec/handle/15000/9298
Blind channel equalization has gained great
importance in the world of communications. Among a large number of available blind equalization algorithms, the CMA (Constant Modulus Algorithm) enjoys widespread popularity because of its LMS-like complexity and robustness. Two important improvements on the CMA performance are the Dithered Signed-Error CMA (DSE-CMA) and the Pre-
Whitened CMA (PW-CMA). The DSE-CMA is an approach to reduce the computational complexity of the CMA while retaining its robustness and the PW-CMA aims at improving
the convergence rate of the CMA in case of channels exhibiting large frequency response deviations. In this paper we review the two approaches and propose a new scheme combining the virtues of the two. The combined scheme is computationally simpler than the PW-CMA and provides better convergence than the DSE-CMA. It is particularly suited for the situations where ill-convergence needs to be treated with minimum additional complexity and without loss of robustness.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-20T14:02:23Z
No. of bitstreams: 1
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P0151.pdf: 532988 bytes, checksum: c032ecd031e15b63edafa42aa3b68d77 (MD5)
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Previous issue date: 2007-03-20T14:02:23Z
Made available in DSpace on 2011-03-10T14:33:25Z (GMT). No. of bitstreams: 2
P0151.pdf: 532988 bytes, checksum: c032ecd031e15b63edafa42aa3b68d77 (MD5)
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Previous issue date: 2007-03-20T14:02:23Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
ALGORITMOS
CANALES DE COMUNICACIÓN
ALGORITHMS
COMMUNICATION CHANNELS (IMFORMATION THEORY)
Pre-Whitened Dithered Signed-Error Constant Modulus Algorithm for Efficient Blind Channel Equalization
Article
ORIGINAL
P0151.pdf
application/pdf
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license.txt
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6d15f074c89cb773f620027f4ee51acd
MD5
3
15000/9298
oai:bibdigital.epn.edu.ec:15000/9298
2019-04-07 18:37:20.094
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/92992019-04-07T15:01:23Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Commuri, S.
2007-03-13T20:23:43Z
2010-09-07T16:32:49Z
2011-03-10T14:33:25Z
2007-03-13T20:23:43Z
2010-09-07T16:32:49Z
2011-03-10T14:33:25Z
2007-03-13T20:23:43Z
http://bibdigital.epn.edu.ec/handle/15000/9299
This paper presents a framework for the
realization of intelligent embedded systems for control applications. Requirements on system intelligence are translated into requirements on the system hardware and
software. The hardware and software components of the design and their impact on system performance are discussed. Software and hardware architectures are presented that enable the realization of these requirements. Recent trends in the hardware-software co-design and hardware reconfigur-ation are utilized to design systems that are fault-tolerant and have higher reliability under all operating conditions. The design approach is validated by means of a case study.
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Previous issue date: 2007-03-13T20:23:43Z
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Previous issue date: 2007-03-13T20:23:43Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
INTELIGENCIA ARTIFICIAL
SISTEMAS DE CONTROL
ARTIFICIAL INTELLIGENCE
CONTROL SYSTEMS
Framework for Implementing Intelligence in Embedded Controls
Article
ORIGINAL
P0142.pdf
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oai:bibdigital.epn.edu.ec:15000/9299
2019-04-07 10:01:23.857
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/93002019-04-08T06:54:47Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Tudoroiu, N.
Khorasani, K.
2007-03-16T19:41:44Z
2010-09-07T16:32:49Z
2011-03-10T14:33:25Z
2007-03-16T19:41:44Z
2010-09-07T16:32:49Z
2011-03-10T14:33:25Z
2007-03-16T19:41:44Z
http://bibdigital.epn.edu.ec/handle/15000/9300
The main objective of our research is to
develop several unscented transform techniques (UTT) to estimate the state of the nonlinear processes such as an improvement of an Extended Kalman Filter (EKF) approach. The Extended Kalman Filter (EKF) has become a standard nonlinear estimation technique in
control systems and parameter estimation for nonlinear system identification. The Unscented Kalman Filter (UKF) developed in this paper is a superior alternative to the Exdended Kalman Filter for the most of estimation and control applications. We will try to figure out in this paper that the UKF algorithm performs slightly superior compared to EKF algorithm based on the state estimation of the nonlinear vinyl acetate reactor developed well in [1]. These results are encouraging for us and we want to explore the possibility of extension of its applicability to the other possible applications such as state and parameter estimation, neural network identification, and Fault Detection, Diagnosis and Isolation (FDDI) of the nonlinear control systems.
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Previous issue date: 2007-03-16T19:41:44Z
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Previous issue date: 2007-03-16T19:41:44Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
ALGORITMOS
ESTIMACIÓN DE PARÁMETROS
SISTEMAS DE CONTROL NO LINEAL
ALGORITHMS
PARAMETER ESTIMATION
NONLINEAR CONTROL SYSTEMS
State Estimation of the Vinyl Acetate Reactor Using Unscented Kalman
Filters (UKF)
Article
ORIGINAL
P0147.pdf
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oai:bibdigital.epn.edu.ec:15000/9300
2019-04-08 01:54:47.702
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/93012019-04-08T07:01:21Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Sen, M. de la
Bilbao-Guillerna, A.
2007-03-12T15:39:37Z
2010-09-07T16:32:50Z
2011-03-10T14:33:26Z
2007-03-12T15:39:37Z
2010-09-07T16:32:50Z
2011-03-10T14:33:26Z
2007-03-12T15:39:37Z
http://bibdigital.epn.edu.ec/handle/15000/9301
The appropriate use of fractional order holds
( b-FROH) of correcting gains b2 [-1,1] as an alternative to the classical zero and first order -holds (respectively, ZOH, FOH) is discussed related to the positive realness
of the associate discrete transfer functions obtained from a given continuous transfer function. It is proved that the minimum direct input-output gain (i.e. the quotient of the leading coefficients of the numerator and denominator of the transfer function) needed for discrete positive realness may be reduced by the choice of b compared to that
required for discretization via a ZOH.
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Previous issue date: 2007-03-12T15:39:37Z
Made available in DSpace on 2011-03-10T14:33:26Z (GMT). No. of bitstreams: 2
P0119.pdf: 423948 bytes, checksum: 51872ee0e78227c4a6e33e2143667428 (MD5)
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Previous issue date: 2007-03-12T15:39:37Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
FUNCIONES DE TRANSFERENCIA
TRANSFER FUNCTIONS
Fractional Hold Circuits for the Design of Positive
Article
ORIGINAL
P0119.pdf
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P0119.pdf.txt
P0119.pdf.txt
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de1ed5b52ee91098464e0ec4680b5629
MD5
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P0119.pdf.txt
P0119.pdf.txt
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de1ed5b52ee91098464e0ec4680b5629
MD5
5
15000/9301
oai:bibdigital.epn.edu.ec:15000/9301
2019-04-08 02:01:21.464
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/93022019-04-08T10:15:21Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Hidalgo, M.
Tene, G.
Sánchez Terán, Alberto
2007-03-21T15:57:49Z
2010-09-07T16:32:50Z
2011-03-10T14:33:26Z
2007-03-21T15:57:49Z
2010-09-07T16:32:50Z
2011-03-10T14:33:26Z
2007-03-21T15:57:49Z
http://bibdigital.epn.edu.ec/handle/15000/9302
This paper presents the control design of
a robotic arm employing Fuzzy algorithms to interpret electromiographic (EMG) signals from the Flexor Carpi Radialis, Extensor Carpi Radialis and Biceps Brachii muscles. The control and aquisition systems is composed of a microprocessor, analog filtering, digital filtering and frequency analysis, and finally a fuzzy control system. The system has been implemented over a MICROCHIP PIC 16F876 and LabVIEW.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-21T15:57:49Z
No. of bitstreams: 1
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P0180.pdf: 517692 bytes, checksum: f7a323b2ca02424c51ae691a74e0ba3a (MD5)
Made available in DSpace on 2010-09-07T16:32:50Z (GMT). No. of bitstreams: 2
license.txt: 1832 bytes, checksum: a8eb357148d63637def266325c5a736c (MD5)
P0180.pdf: 517692 bytes, checksum: f7a323b2ca02424c51ae691a74e0ba3a (MD5)
Previous issue date: 2007-03-21T15:57:49Z
Made available in DSpace on 2011-03-10T14:33:26Z (GMT). No. of bitstreams: 2
license.txt: 1832 bytes, checksum: a8eb357148d63637def266325c5a736c (MD5)
P0180.pdf: 517692 bytes, checksum: f7a323b2ca02424c51ae691a74e0ba3a (MD5)
Previous issue date: 2007-03-21T15:57:49Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
CONTROL DIFUSO
BRAZOS ROBÓTICOS
FUZZY CONTROL
ROBOTIC ARMS
Fuzzy Control of a Robotic Arm using EMG Signals
Article
LICENSE
license.txt
text/plain
1832
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MD5
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ORIGINAL
P0180.pdf
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MD5
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15000/9302
oai:bibdigital.epn.edu.ec:15000/9302
2019-04-08 05:15:21.444
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/93032019-04-07T22:31:28Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Puga, Sergio A.
Aguilar, Luis T.
2007-03-09T19:15:49Z
2010-09-07T16:32:50Z
2011-03-10T14:33:26Z
2007-03-09T19:15:49Z
2010-09-07T16:32:50Z
2011-03-10T14:33:26Z
2007-03-09T19:15:49Z
http://bibdigital.epn.edu.ec/handle/15000/9303
In this paper we propose a variable structure
controller to solve the tracking control problem of Acrobot. The controller consists of a swing-up phase and a stabilization phase. The desired trajectory is centered at the upright position, while the Acrobot starts from the stable position. A stability analysis of the closed-loop dynamic system in question was performed within the framework of Lyapunov functions. Simulation results show the effectiveness of the proposed controller. Index Terms—Acrobot, twisting algorithm, switching control.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-09T19:15:49Z
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Previous issue date: 2007-03-09T19:15:49Z
Made available in DSpace on 2011-03-10T14:33:26Z (GMT). No. of bitstreams: 2
P0105.pdf: 560725 bytes, checksum: c8b329276d40c84a460ecebc6a31edc8 (MD5)
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Previous issue date: 2007-03-09T19:15:49Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
ACROBOT
SISTEMAS DE CONTROL
ACROBOT
CONTROL SYSTEMS
Hybrid Second-Order Sliding-Mode Tracking Control for Acrobot
Article
ORIGINAL
P0105.pdf
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oai:bibdigital.epn.edu.ec:15000/9303
2019-04-07 17:31:28.883
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/93052019-04-07T23:30:43Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Butt, Naveed R.
Shafiq, Muhammad
Khan, Tahir
2007-03-20T13:29:01Z
2010-09-07T16:32:51Z
2011-03-10T14:33:26Z
2007-03-20T13:29:01Z
2010-09-07T16:32:51Z
2011-03-10T14:33:26Z
2007-03-20T13:29:01Z
http://bibdigital.epn.edu.ec/handle/15000/9305
Adaptive tracking of nonlinear dynamic plants iscurrently an important area of research. The main difficulty being felt by the research community is the lack of a general modelling framework that can facilitate synthesis of
a simplistic control law, while being capable of providing accurate approximation of nonlinear systems. In this study a novel technique based on the control-oriented U-model is proposed for the adaptive tracking of a wide range of stable nonlinear dynamic plants using only past data. The basic
scheme is based on the robust internal model control (IMC) structure. An adaptive version of the U-model is introduced for the modelling of the plant and a simplistic control law based on polynomial root-solving is synthesized. The proposed scheme has a more general appeal than other adaptive
schemes based on models such as the polynomial NARMAX (Nonlinear Autoregressive Moving Average with Exogenous inputs) model. Additionally, the control law is much simpler
in nature. The effectiveness of the proposed adaptive scheme is demonstrated through application to the real-time control of a single-link robotic arm manipulator and simulations for different nonlinear plants.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-20T13:29:01Z
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Previous issue date: 2007-03-20T13:29:01Z
Made available in DSpace on 2011-03-10T14:33:26Z (GMT). No. of bitstreams: 2
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Previous issue date: 2007-03-20T13:29:01Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
SISTEMAS DE CONTROL NO LINEAL
NONLINEAR CONTROL SYSTEMS
An Adaptive Root-Solving Controller for Tracking of Nonlinear Dynamic Plants
Article
ORIGINAL
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oai:bibdigital.epn.edu.ec:15000/9305
2019-04-07 18:30:43.039
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/93062019-04-07T23:34:12Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Ruan, Zhuo
Han, Yuzhang
Han, Jianguo
2007-03-09T19:49:14Z
2010-09-07T16:32:51Z
2011-03-10T14:33:27Z
2007-03-09T19:49:14Z
2010-09-07T16:32:51Z
2011-03-10T14:33:27Z
2007-03-09T19:49:14Z
http://bibdigital.epn.edu.ec/handle/15000/9306
In this paper, a practically usable dual-mode control micro-system based on CPLD and reconfigurable FPGA is described. FPGA can be dynamically reconfigured under the control of CPLD to implement two models, Backpropagation neural network model and its training model, both of which are respectively directed to two control modes for industrial produce. One mode is neural network performed automatic control, the other one as human-interfered traditional control. That is, only one single FPGA is reconfigured with multifunction. This technique can be widely applied into other control fields such as the adaptive control in different environments, space-ship control, measuring control in rough situation, and even production control.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-09T19:49:14Z
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Previous issue date: 2007-03-09T19:49:14Z
Made available in DSpace on 2011-03-10T14:33:27Z (GMT). No. of bitstreams: 2
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Previous issue date: 2007-03-09T19:49:14Z
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
REDES NEURALES
NEURAL NETWORKS
Real-time Reconfigurable Micro-system Based on FPGA and CPLD For Dual-mode PID Control Through Backpropagation Neural Network
Article
ORIGINAL
P0110.pdf
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oai:bibdigital.epn.edu.ec:15000/9306
2019-04-07 18:34:12.482
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/92872019-04-08T06:58:55Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Giovanini, M.
Benosman, M.
Adrezj, Ordys
2007-03-09T20:00:40Z
2010-09-07T16:32:44Z
2011-03-10T14:33:27Z
2007-03-09T20:00:40Z
2010-09-07T16:32:44Z
2011-03-10T14:33:27Z
2007-03-09T20:00:40Z
http://bibdigital.epn.edu.ec/handle/15000/9287
The purpose of this paper is to marry the
two concepts of multiple model adaptive control and safe adaptive control. In its simplest form, multiple model adaptive control involves a supervisory switching among one of a finite number of controllers as more is learnt about the plant, until one of the controllers is finally selected and remains unchanged. Safe adapative control is concerned with ensuring that when the controller is changed the closed-loop is ever unstable. This paper introduces a receding horizon multiple model, switching and tuning control scheme based on an on-line redesign of the controller.. This control scheme has a natural two-stage adaptive control algorithm: identification of the closest model and design of the control law. The computational
complexity aspects of this approach to adaptive control are discussed briefly. A nonlinear system is used to illustrate the ideas.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-09T20:00:40Z
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P0111.pdf: 628207 bytes, checksum: 489968b9de351564ab08d71ecbe51e5c (MD5)
license.txt: 1832 bytes, checksum: 98caca61edf10ae3207039637cd167be (MD5)
Previous issue date: 2007-03-09T20:00:40Z
Made available in DSpace on 2011-03-10T14:33:27Z (GMT). No. of bitstreams: 2
P0111.pdf: 628207 bytes, checksum: 489968b9de351564ab08d71ecbe51e5c (MD5)
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Previous issue date: 2007-03-09T20:00:40Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
CONTROL ADAPTIVO
ADAPTIVE CONTROL
Adaptive Control using Multiple Models Switching
Article
ORIGINAL
P0111.pdf
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P0111.pdf.txt
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P0111.pdf.txt
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Extracted text
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28545
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22d39717df8dd5c09e9fbaa4ddf030f9
MD5
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15000/9287
oai:bibdigital.epn.edu.ec:15000/9287
2019-04-08 01:58:55.524
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/93072019-04-07T19:14:28Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Wade, M. J.
Balderud, J.
2007-03-21T13:33:15Z
2010-09-07T16:32:51Z
2011-03-10T14:33:27Z
2007-03-21T13:33:15Z
2010-09-07T16:32:51Z
2011-03-10T14:33:27Z
2007-03-21T13:33:15Z
http://bibdigital.epn.edu.ec/handle/15000/9307
This paper explores the use of a multivariate
statistics approach to monitor and diagnose the performance of a steam heated drying process. The results presented in this
paper are a first stage investigation into the capabilities and limitations of these methods when applied to this particular process. The results show that, despite the non-linear behaviour of the drier process, the model predictions correspond well with the process measurements. The results also indicate ability to detect process failures, however, accurate diagnosis of the failures remains a subject for future studies.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-21T13:33:15Z
No. of bitstreams: 1
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P0169.pdf: 1267559 bytes, checksum: 808491de5c0db3451e4cb9bb7684cd6d (MD5)
license.txt: 1832 bytes, checksum: 43aeca5e3e5016c8ff3d5a172637d064 (MD5)
Previous issue date: 2007-03-21T13:33:15Z
Made available in DSpace on 2011-03-10T14:33:27Z (GMT). No. of bitstreams: 2
P0169.pdf: 1267559 bytes, checksum: 808491de5c0db3451e4cb9bb7684cd6d (MD5)
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Previous issue date: 2007-03-21T13:33:15Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
SISTEMAS DE CONTROL
CONTROL DE PROCESOS
CONTROL SYSTEMS
PROCESS CONTROL
Using multivariate regression techniques to analyse the performance of
a steam heated drying process
Article
ORIGINAL
P0169.pdf
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MD5
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15000/9307
oai:bibdigital.epn.edu.ec:15000/9307
2019-04-07 14:14:28.768
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/93082019-04-08T06:40:34Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Carrillo Medina, José Luis
Banda Gamboa, Hugo A.
2007-03-21T14:44:47Z
2010-09-07T16:32:51Z
2011-03-10T14:33:27Z
2007-03-21T14:44:47Z
2010-09-07T16:32:51Z
2011-03-10T14:33:27Z
2007-03-21T14:44:47Z
http://bibdigital.epn.edu.ec/handle/15000/9308
This article presents a description of the design and development of an Intelligent Searcher (a System based on an Intelligent Agent). In the first part there is a critic analysis related to the process for the construction of the agent based system, including three different methodologies. In the second part, the implementation and general results are discussed. The analysis presented here covers the entire software development life cycle.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-21T14:44:47Z
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Previous issue date: 2007-03-21T14:44:47Z
Made available in DSpace on 2011-03-10T14:33:27Z (GMT). No. of bitstreams: 2
P0174.pdf: 402741 bytes, checksum: ecf0d0051723fea53b8323e68b8f4377 (MD5)
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Previous issue date: 2007-03-21T14:44:47Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
SISTEMAS DE RECUPERACIÓN DE LA INFORMACIÓN
ESTRUCTURAS INTELIGENTES
INFORMATION RETRIEVAL SYSTEMS
INTELLIGENT STRUCTURES
Development of An Intelligent Searcher
Article
ORIGINAL
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oai:bibdigital.epn.edu.ec:15000/9308
2019-04-08 01:40:34.382
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/93092019-04-08T06:45:48Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Li, Jin
Tan, Yuejin
Liao, Liangcai
2007-03-12T15:21:21Z
2010-09-07T16:32:53Z
2011-03-10T14:33:27Z
2007-03-12T15:21:21Z
2010-09-07T16:32:53Z
2011-03-10T14:33:27Z
2007-03-12T15:21:21Z
http://bibdigital.epn.edu.ec/handle/15000/9309
In this paper, a module-oriented automatic
differentiation (MAD) approach is presented based on traditional automatic differentiation algorithms. This approach
can well exploit the sparsity of the model by partitioning it into a series of sequential modules and choosing the best differentiation algorithm for each module accordingly. Numerical results show that for nonlinear system, module-oriented automatic differentiation can calculate the Lie
derivatives and Jacobians efficiently.
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Previous issue date: 2007-03-12T15:21:21Z
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Previous issue date: 2007-03-12T15:21:21Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
SISTEMAS DE CONTROL NO LINEAL
NONLINEAR CONTROL SYSTEMS
Module-oriented automatic differentiation in nonlinear control
Article
ORIGINAL
P0114.pdf
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oai:bibdigital.epn.edu.ec:15000/9309
2019-04-08 01:45:48.13
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/93112019-04-08T02:17:26Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Aguilar, Luis T.
2007-03-09T16:15:25Z
2010-09-07T16:38:16Z
2011-03-10T14:33:27Z
2007-03-09T16:15:25Z
2010-09-07T16:38:16Z
2011-03-10T14:33:27Z
2007-03-09T16:15:25Z
http://bibdigital.epn.edu.ec/handle/15000/9311
We developed a discontinuous controller to stabilize the movement of a unicycle mobile robot around a desired trajectory via backstepping methodology. The main contribution of the paper is that chattering signal, produced by the imprecision of the discontinuous terms, vanished thanks to an adaptive gain that reduces the chattering level once the position errors were zero. A stability analysis of the closedloop dynamic system in question was performed within the
framework of Lyapunov functions. Performance issues related to the discontinuous controllers are illustrated in numerical
simulations applied to a unicycle mobile robot.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-09T16:15:25Z
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Previous issue date: 2007-03-09T16:15:25Z
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Previous issue date: 2007-03-09T16:15:25Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
ROBOTS MÓVILES
SISTEMAS DE CONTROL
MOBILE ROBOTS
CONTROL SYSTEMS
Application of a Discontinuous Controller with Chattering Attenuation
Article
ORIGINAL
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15000/9311
oai:bibdigital.epn.edu.ec:15000/9311
2019-04-07 21:17:26.85
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/93122019-04-08T06:52:16Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Fu, Chao
Zhu, Zhi-liang
Gao, Xiao-xing
Wang, Pei-rong
2007-03-12T17:21:45Z
2010-09-07T16:38:17Z
2011-03-10T14:33:27Z
2007-03-12T17:21:45Z
2010-09-07T16:38:17Z
2011-03-10T14:33:27Z
2007-03-12T17:21:45Z
http://bibdigital.epn.edu.ec/handle/15000/9312
The embedded web server technology is the combination of embedded device and Internet technology, which provides a flexible remote device monitoring and management function based on Internet browser and it has become an advanced development trend of embedded technology. In this paper, a design and implementation scheme of a general reduced web server protocol stack which aims at the limited resources characteristic that the embedded system has was proposed based on AT90S8515 single chip that uses RISC technology and RTL-8019 network interface controller hardware platform. The overall design issue was thoroughly discussed and the implementation methods of core protocols in protocol stack such as 802.3, ARP, IP, TCP and HTTP were analyzed in detail.
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Previous issue date: 2007-03-12T17:21:45Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
PROTOCOLOS DE REDES
NETWORK PROTOCOLS
The Design and Implementation of a General Reduced TCP/IP Protocol Stack for Embedded Web Server
Article
ORIGINAL
P0133.pdf
application/pdf
332516
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MD5
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license.txt
text/plain
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827f9851c926264ae82b035181ff240c
MD5
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P0133.pdf.txt
P0133.pdf.txt
Extracted text
text/plain
18389
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ed344facfc040d51ca14e40a6d137e04
MD5
3
15000/9312
oai:bibdigital.epn.edu.ec:15000/9312
2019-04-08 01:52:16.229
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/93132019-04-08T02:23:55Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Ollin, Peñaloza-Mejía
Márquez-Martínez, Luis A.
Álvarez-Gallegos, Jaime
2007-03-20T20:44:38Z
2010-09-07T16:38:18Z
2011-03-10T14:33:28Z
2007-03-20T20:44:38Z
2010-09-07T16:38:18Z
2011-03-10T14:33:28Z
2007-03-20T20:44:38Z
http://bibdigital.epn.edu.ec/handle/15000/9313
This paper describes the development of an experimental platform for robotic teleoperation via Internet. It is obtained by adding Internet capabilities to an industry-standard DSP board, available in many universities and research centers.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-20T20:44:38Z
No. of bitstreams: 1
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Made available in DSpace on 2007-03-20T20:44:38Z (GMT). No. of bitstreams: 1
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P0166.pdf: 328681 bytes, checksum: 60218d88e1a7dafbd29646d26f3f4b4c (MD5)
license.txt: 1832 bytes, checksum: d85c70493c2421b547745499b4e6c6f2 (MD5)
Previous issue date: 2007-03-20T20:44:38Z
Made available in DSpace on 2011-03-10T14:33:28Z (GMT). No. of bitstreams: 2
P0166.pdf: 328681 bytes, checksum: 60218d88e1a7dafbd29646d26f3f4b4c (MD5)
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Previous issue date: 2007-03-20T20:44:38Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
CONTROL REMOTO
ROBÓTICA
REMOTE CONTROL
ROBOTICS
Integration of real-time hardware and TCP/IP communications for teleoperation systems
Article
ORIGINAL
P0166.pdf
application/pdf
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d85c70493c2421b547745499b4e6c6f2
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P0166.pdf.txt
P0166.pdf.txt
Extracted text
text/plain
22046
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42c005b045a388e8fd265db5acad1abc
MD5
3
15000/9313
oai:bibdigital.epn.edu.ec:15000/9313
2019-04-07 21:23:55.18
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/93142019-04-08T02:23:19Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Choi, Chiu H.
2007-03-13T19:57:49Z
2010-09-07T16:38:18Z
2011-03-10T14:33:28Z
2007-03-13T19:57:49Z
2010-09-07T16:38:18Z
2011-03-10T14:33:28Z
2007-03-13T19:57:49Z
http://bibdigital.epn.edu.ec/handle/15000/9314
This tutorial paper presents the experimental results of solving speed and position control problems by using embedded controllers. The embedded controllers used proportional, integral, and derivative controls. A feature of these controllers is that the sample time is not explicitly included in the integral and derivative control equations. This feature was experimentally tested. In the testing of the integral control with such feature, the controller was applied to a speed regulation problem under the condition of rapidly changing load. In the testing of the derivative control with the same feature, the controller was applied to a ringing removal problem. The results were that these controllers performed as expected. Other experiments of position controls and their results were also presented. All the embedded controllers were implemented in a member of
Freescale Semiconductor’s MC68HC12 microcontroller family.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-13T19:57:49Z
No. of bitstreams: 1
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P0141.pdf: 398920 bytes, checksum: 4f0682079af92643b6d487a3acf6470d (MD5)
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P0141.pdf: 398920 bytes, checksum: 4f0682079af92643b6d487a3acf6470d (MD5)
license.txt: 1832 bytes, checksum: 32a3a372eb728793cbef053448313c2b (MD5)
Previous issue date: 2007-03-13T19:57:49Z
Made available in DSpace on 2011-03-10T14:33:28Z (GMT). No. of bitstreams: 2
P0141.pdf: 398920 bytes, checksum: 4f0682079af92643b6d487a3acf6470d (MD5)
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Previous issue date: 2007-03-13T19:57:49Z
spa
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
MICROCONTROLADORES
CONTROL DE LA VELOCIDAD
MICROCONTROLLERS
SPEED CONTROL
Applications of Embedded Controllers in Speed and Position Controls
Article
ORIGINAL
P0141.pdf
application/pdf
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4f0682079af92643b6d487a3acf6470d
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32a3a372eb728793cbef053448313c2b
MD5
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TEXT
P0141.pdf.txt
P0141.pdf.txt
Extracted text
text/plain
20513
/var/dspace/bitstream/15000/9314/3/P0141.pdf.txt
ff2e479f882b220dd10ffdc29138c06c
MD5
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15000/9314
oai:bibdigital.epn.edu.ec:15000/9314
2019-04-07 21:23:19.644
Repositorio Digital - EPN
dspace@epn.edu.ec
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
oai:bibdigital.epn.edu.ec:15000/93162019-04-08T06:21:44Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Rivera Argoti, Pablo
Gamboa Benítez, Silvana del Pilar
Quelal Analuisa, Paulo Alexis
2007-03-21T16:19:14Z
2010-09-07T16:40:13Z
2011-03-10T14:33:28Z
2007-03-21T16:19:14Z
2010-09-07T16:40:13Z
2011-03-10T14:33:28Z
2007-03-21T16:19:14Z
http://bibdigital.epn.edu.ec/handle/15000/9316
This paper reports on the development of a
frequency inverter for speed control of an induction machine. The control is implemented on a 80C196MC microcontroller and the power system is implement using a three-phase bridge of IGBTs. Both, control and power circuit provide an output with variable voltage and frequency. The frequency and other parameters in the speed drive are manipulated from a human-machine-interface HMI.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-21T16:19:14Z
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Previous issue date: 2007-03-21T16:19:14Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
MICROCONTROLADORES
INVERSORES
MICROCONTROLLERS
INVERTERS
Design and Development of a Frequency Inverter with the Intel 80C196MC Microcontroller
Article
LICENSE
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text/plain
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15000/9316
oai:bibdigital.epn.edu.ec:15000/9316
2019-04-08 01:21:44.944
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/93172019-04-07T15:04:48Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Zhengmao, Ye
Jiecai, Luo
Bhattacharya, Pradeep
2007-03-20T19:31:09Z
2010-09-07T16:40:14Z
2011-03-10T14:33:29Z
2007-03-20T19:31:09Z
2010-09-07T16:40:14Z
2011-03-10T14:33:29Z
2007-03-20T19:31:09Z
http://bibdigital.epn.edu.ec/handle/15000/9317
In a broad area of industry such as remote
sensing and medical diagnosing, imaging enhancement technology takes a leading role, where energy distribution of the light source depends not only on image coordinate but also
on wavelength. Both infrared (IR) and near-infrared (NIR) imaging techniques have a variety of applications in these fields. For instance, satellite images are taken via IR or NIR spectrometer and laser Doppler medical scanning is collaborated with NIR spectrometer. Matrix functions of any
image correspond to brightness or energy at each image pixel. The actual decision making must rely on detailed investigation of images being obtained. Therefore, image processing should be taken into account so as to enhance the results from real world. Segmentation is an image analysis approach to clarify
feature ambiguity and information noise, which divides an image into separate parts that correlate with the objects or areas of the particular object involved. This procedure can be conducted by clustering, which is a process of partitioning a set
of pattern vectors into subsets. Being a simple unsupervised learning algorithm, K-means clustering algorithm has the
potential to both simplify the computation and accelerate the convergence. In most cases optimization is closely related to clustering, which gives rise to the best way of problem solving. In this article, optimal approach is proposed to be implemented along with image segmentation. This methodology is to enhance both large scale and small scale IR and NIR image processing.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-20T19:31:09Z
No. of bitstreams: 1
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Previous issue date: 2007-03-20T19:31:09Z
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Previous issue date: 2007-03-20T19:31:09Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
SISTEMAS DE CREACIÓN DE IMÁGENES
IMAGING SYSTEMS
Optimal Approach for Enhancement of Large and Small Scale Near-Infrared and Infrared Imaging
Article
ORIGINAL
P0157.pdf
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oai:bibdigital.epn.edu.ec:15000/9317
2019-04-07 10:04:48.64
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/93182019-04-07T19:03:19Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Ruilin, Pei
Yuegen, Zhao
2007-03-13T20:42:34Z
2010-09-07T16:40:14Z
2011-03-10T14:33:29Z
2007-03-13T20:42:34Z
2010-09-07T16:40:14Z
2011-03-10T14:33:29Z
2007-03-13T20:42:34Z
http://bibdigital.epn.edu.ec/handle/15000/9318
The dynamic voltage restorer (DVR) is great
significance for improving power quality as a cost effective solution for the protection of sensitive loads from voltage sags. This paper summarizes Sliding Mode Control (SMC) method used in current control strategies for DVR including forward-feed control and PI feedback control. After this paper, it presents SMC for DVR including the design of switch function and control regulation. And the experiment results are presented to demonstrate the efficacy of proposed DVR controller for various voltage sags.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-13T20:42:34Z
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Previous issue date: 2007-03-13T20:42:34Z
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P0143.pdf: 472850 bytes, checksum: 6f63b0d896116a2b456cdd7b144bd0c0 (MD5)
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Previous issue date: 2007-03-13T20:42:34Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
SISTEMAS DE RECUPERACIÓN DE VOLTAJE DINÁMICO
DYNAMIC VOLTAGE RESTORING SYSTEMS
Sliding Mode Control Strategy of Dynamic Voltage Restorer
Article
ORIGINAL
P0143.pdf
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MD5
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15000/9318
oai:bibdigital.epn.edu.ec:15000/9318
2019-04-07 14:03:19.488
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/92882019-04-07T19:12:26Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Jinfang, Wang
Jinbao, Wang
2007-03-21T15:20:04Z
2010-09-07T16:32:45Z
2011-03-10T14:33:29Z
2007-03-21T15:20:04Z
2010-09-07T16:32:45Z
2011-03-10T14:33:29Z
2007-03-21T15:20:04Z
http://bibdigital.epn.edu.ec/handle/15000/9288
An evaluation of the feature set of the vector difference(VD) based on fractional cosine and sine transform focusing on the high-order fractional domains for text-independent speaker recognition is elucidated in this paper. The experiments have been done following the principles
varying the number of the vector dimension and the power of the output parameters of fractional cosine and sine transform separately. The recognition results show that when the order of primary fractional domain is fixed to be 1 and the one of secondary fractional domain is 0.98, the correct recognition rate of the VD feature matches the one of the previous MFCC feature.
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Previous issue date: 2007-03-21T15:20:04Z
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Previous issue date: 2007-03-21T15:20:04Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
RECONOCIMIENTO DEL HABLA
SPEECH RECOGNITION
Performance Analysis of Speaker Features Extracted from
High-order Fractional Domains
Article
ORIGINAL
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oai:bibdigital.epn.edu.ec:15000/9288
2019-04-07 14:12:26.053
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/93202019-04-07T23:47:01Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Muñoz P., Carlos
Rojas A., Daniel
Antileo H., Christian
2007-03-21T15:45:09Z
2010-09-07T16:40:15Z
2011-03-10T14:33:29Z
2007-03-21T15:45:09Z
2010-09-07T16:40:15Z
2011-03-10T14:33:29Z
2007-03-21T15:45:09Z
http://bibdigital.epn.edu.ec/handle/15000/9320
A soft-sensor for on-line estimation of ammonia degradation (α) and nitrite accumulation (β) is proposed in this paper. The soft-sensor has showed a good behavior in the following of trends and has got final values very close to the experimental analysis. Thought this soft-sensor was not conceived for replacing the laboratory analysis, gives α and β estimations for all the instants in between the laboratory sample taking. The data resulting from the laboratory analysis is used to update the model parameters on which the soft-sensor is based on. Furthermore, the model is used to feed an on-line optimization system to look for the pH and O2 set-points whose gives maximum ammonia degradation (α) and nitrite accumulation (β). This optimization system is executed every time that the model parameters are updated.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-21T15:45:09Z
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Previous issue date: 2007-03-21T15:45:09Z
Made available in DSpace on 2011-03-10T14:33:29Z (GMT). No. of bitstreams: 2
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Previous issue date: 2007-03-21T15:45:09Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
CONTROL DE PROCESOS
SENSORES
CONTROLADORES DIFUSOS
PROCESS CONTROL
SENSORS
FUZZY CONTROL
Design and Development of a Soft-Sensor for Ammonia Degradation
and Nitrite Accumulation in an Activated Sludge Reactor
Article
ORIGINAL
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oai:bibdigital.epn.edu.ec:15000/9320
2019-04-07 18:47:01.971
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/93212019-04-08T07:21:09Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Muñoz, Mario A.
López, Jesús A.
Caicedo, Eduardo F.
2007-03-21T14:23:07Z
2010-09-07T16:40:15Z
2011-03-10T14:33:29Z
2007-03-21T14:23:07Z
2010-09-07T16:40:15Z
2011-03-10T14:33:29Z
2007-03-21T14:23:07Z
http://bibdigital.epn.edu.ec/handle/15000/9321
In this work, we present the implementation of a planar temperature grid plant. This plant emulates the working of a control system that is designed to maintain a
constant temperature over a surface. The behavior of the implemented plant presents characteristics difficult to describe in mathematical terms like disturbances,
interferences, deviations, and temperature gradients. We describe the functional characteristics of the system and its
application in the study of distributed control systems in an educational environment. To test the working of the plant
we present the obtained results with two resource allocation strategies such as control algorithms.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-21T14:23:07Z
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Previous issue date: 2007-03-21T14:23:07Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
SISTEMAS DE CONTROL DE PARÁMETROS DISTRIBUIDOS
ALGORITMOS
DISTRIBUTED PARAMETERS CONTROL SYSTEMS
ALGORITHMS
Implementation of a Distributed Control Experimentation Platform
Article
ORIGINAL
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2019-04-08 02:21:09.778
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oai:bibdigital.epn.edu.ec:15000/93222019-04-08T07:11:57Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Li, Jin
Tan, Yuejin
Liao, Liangcai
2007-03-09T19:23:39Z
2010-09-07T16:40:15Z
2011-03-10T14:33:29Z
2007-03-09T19:23:39Z
2010-09-07T16:40:15Z
2011-03-10T14:33:29Z
2007-03-09T19:23:39Z
http://bibdigital.epn.edu.ec/handle/15000/9322
An efficient optimization algorithm based on
reduced sequential quadratic programming (rSQP) and automatic differentiation (AD) is presented in this paper. With the characteristics of sparseness, relatively low degrees of freedom and equality constraints utilized, the nonlinear programming problem was solved by improved rSQP solver. In the solving process, AD technology was used to obtain accurate gradient information. The numerical results show that the combined algorithm, which is suitable for large-scale process optimization problems, can calculate more efficiently than rSQP itself.
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Previous issue date: 2007-03-09T19:23:39Z
Made available in DSpace on 2011-03-10T14:33:29Z (GMT). No. of bitstreams: 2
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Previous issue date: 2007-03-09T19:23:39Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
ALGORITMOS
OPTIMIZACIÓN
ALGORITHMS
OPTIMIZATION
A New Algorithm Based on rSQP and AD
Article
ORIGINAL
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2019-04-08 02:11:57.258
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dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/93232019-04-08T09:08:33Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Khadkikar, Vinod
Chandra, A.
Barry, A. O.
Nguyen, T. D.
2007-03-20T15:06:10Z
2010-09-07T16:40:16Z
2011-03-10T14:33:29Z
2007-03-20T15:06:10Z
2010-09-07T16:40:16Z
2011-03-10T14:33:29Z
2007-03-20T15:06:10Z
http://bibdigital.epn.edu.ec/handle/15000/9323
This paper deals with the steady state analysis of unified power quality conditioner (UPQC). The UPQC, a combination of shunt and series active power filter (APF), is one of the best solutions towards the mitigation of voltage sags and swells problems on distribution network. The analysis is based on active and reactive power flow through the shunt and series APF, wherein series APF can absorb or deliver the active power whereas the reactive power requirement is totally handle by shunt APF alone during all conditions. This analysis is very useful for selection of kVA ratings for both shunt and series APF.
The MATLAB / SIMULINK results are provided in order to verify the analysis.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-20T15:06:10Z
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Previous issue date: 2007-03-20T15:06:10Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
FLUJOS DE POTENCIA
REDES DE TRANSMISIÓN DE ENERGÍA ELÉCTRICA
ELECTRIC LOAD FLOW
ELECTRIC POWER TRANSMISSION NETWORKS
Steady State Power Flow Analysis of Unified Power Quality Conditioner (UPQC)
Article
ORIGINAL
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2019-04-08 04:08:33.997
Repositorio Digital - EPN
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oai:bibdigital.epn.edu.ec:15000/93242019-04-07T19:20:00Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Leithead, W. E.
2007-03-12T17:31:41Z
2010-09-07T16:40:16Z
2011-03-10T14:33:30Z
2007-03-12T17:31:41Z
2010-09-07T16:40:16Z
2011-03-10T14:33:30Z
2007-03-12T17:31:41Z
http://bibdigital.epn.edu.ec/handle/15000/9324
An identification methodology for nonlinear dynamic systems using Gaussian process prior models is presented. It combines equilibrium and off-equilibrium information. The advantages of so doing are highlighted.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-12T17:31:41Z
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Previous issue date: 2007-03-12T17:31:41Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
IDENTIFICACIÓN (SISTEMAS DE CONTROL)
SISTEMAS DE CONTROL NO LINEAL
IDENTIFICATION (CONTROL SYSTEMS)
NONLINEAR CONTROL SYSTEMS
Identification of Nonlinear Dynamic Systems by Combining Equilibrium and Off-Equilibrium Information
Article
ORIGINAL
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2019-04-07 14:20:00.794
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dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/93252019-04-08T07:21:04Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Ling, Zhang
Yun, Zhang
Hongyan, Xiong
2007-03-12T17:40:52Z
2010-09-07T16:40:16Z
2011-03-10T14:33:30Z
2007-03-12T17:40:52Z
2010-09-07T16:40:16Z
2011-03-10T14:33:30Z
2007-03-12T17:40:52Z
http://bibdigital.epn.edu.ec/handle/15000/9325
As for a kind of medical images with clear
texture feature, a new lossless compressive method is presented in this paper. With two main steps, the method firstly sets up the predictive model of the current pixel with its surrounding texture features, including its four color change gradients; and then measures the similarity of all pixels within the image with their predictive models so that the redundancy brought about by the similarity is removed and a higher compression ratio is obtained. The following simulation results show that the new method is much more efficient than JPEG-LS algorithm in the compression of such kinds of medical images.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-12T17:40:52Z
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eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
COMPRESIÓN DE IMÁGENES
IMAGE COMPRESSION
A Lossless Compression Method of Medical Images based on the Local
Article
ORIGINAL
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2019-04-08 02:21:04.24
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/93262019-04-08T00:30:46Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Branch, John W.
Prieto, Flavio
Boulanger, Pierre
2007-03-20T20:20:13Z
2010-09-07T16:40:17Z
2011-03-10T14:33:30Z
2007-03-20T20:20:13Z
2010-09-07T16:40:17Z
2011-03-10T14:33:30Z
2007-03-20T20:20:13Z
http://bibdigital.epn.edu.ec/handle/15000/9326
Registration is a fundamental stage in the 3D reconstruction process, which is used to match two or more images that can be taken in different moments,from different sensors, or from different viewpoints. Genetic algorithms have been applied to the registration of images, because of their ability to solve problems of optimization. In this paper, a
procedure is presented to solve the registration problem of multiple view range images using evolutionary algorithms.
This procedure is focused, on the problem of obtaining the best correspondence between points through a robust method of search on images that are partially overlapped. This
correspondence set will allow us to calculate a rigid transformation that registers the images accurately.
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Previous issue date: 2007-03-20T20:20:13Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
ALGORITMOS
PROCESAMIENTO DE IMÁGENES
ALGORITHMS
IMAGE PROCESSING
Correspondence Method for Registration of Range Images Using Evolutionary Algorithms
Article
LICENSE
license.txt
text/plain
1832
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ORIGINAL
P0162.pdf
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P0162.pdf.txt
P0162.pdf.txt
Extracted text
text/plain
29085
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59144d2a3677bcfc5f2813ff3760ebee
MD5
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15000/9326
oai:bibdigital.epn.edu.ec:15000/9326
2019-04-07 19:30:46.822
Repositorio Digital - EPN
dspace@epn.edu.ec
oai:bibdigital.epn.edu.ec:15000/93272019-04-07T21:03:33Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Salamanca, Juan Mauricio
Rosero García, Esteban Emilio
2007-03-12T17:53:14Z
2010-09-07T16:40:17Z
2011-03-10T14:33:30Z
2007-03-12T17:53:14Z
2010-09-07T16:40:17Z
2011-03-10T14:33:30Z
2007-03-12T17:53:14Z
http://bibdigital.epn.edu.ec/handle/15000/9327
This paper presents a sliding mode control using only output information. The robustness conditions come from a linear matrix inequality (LMI). This LMI permits to use output feedback to stabilize the system with matched and unmatched disturbances and uncertainties. The controller synthetized consists of two components. One component of linear output feedback regulates the system and rejects the unmatched disturbance. Other components of nonlinear output function provide robustness to the overall system. Robustness conditions are given. Simulations results using Simulink Matlab to simulate several nonlinear systems are presented.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-12T17:53:14Z
No. of bitstreams: 1
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P0140.PDF: 293563 bytes, checksum: e6c31418efc821730f499230dede6fe7 (MD5)
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P0140.PDF: 293563 bytes, checksum: e6c31418efc821730f499230dede6fe7 (MD5)
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Previous issue date: 2007-03-12T17:53:14Z
Made available in DSpace on 2011-03-10T14:33:30Z (GMT). No. of bitstreams: 2
P0140.PDF: 293563 bytes, checksum: e6c31418efc821730f499230dede6fe7 (MD5)
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Previous issue date: 2007-03-12T17:53:14Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
ANALISIS DE SISTEMAS DE CONTROL
CONTROL SYSTEMS ANALYSIS
Sliding mode control with linear matrix inequalities using only output
Article
ORIGINAL
P0140.PDF
application/pdf
293563
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e6c31418efc821730f499230dede6fe7
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LICENSE
license.txt
text/plain
1832
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c0b43cd4f9eee38c8f4a27b7845a83f6
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P0140.PDF.txt
P0140.PDF.txt
Extracted text
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MD5
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15000/9327
oai:bibdigital.epn.edu.ec:15000/9327
2019-04-07 16:03:33.994
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/93292019-04-07T23:17:37Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Grijalva Silva, Carlos Santiago
2007-03-21T16:31:30Z
2010-09-07T16:42:11Z
2011-03-10T14:33:30Z
2007-03-21T16:31:30Z
2010-09-07T16:42:11Z
2011-03-10T14:33:30Z
2007-03-21T16:31:30Z
http://bibdigital.epn.edu.ec/handle/15000/9329
This paper describes the architecture of Retriever, an innovative system for power system control centers, which provides advanced visualization and study mode features. Visual monitoring has many advantages over traditional non-graphic
supervision, allowing the operator to process large amounts of information and capture the aspects relevant to prevent insecure power system states in a very efficient manner. Real-time power flow and study mode simulations allow the discovery of potential
problems in the system and points out towards prompt control actions by the operator. Theses visualization and analysis tools
have been integrated to provide a powerful architecture for real-time power system monitoring, and are operative in large control centers with tenths of thousands of nodes.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-21T16:31:30Z
No. of bitstreams: 1
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Previous issue date: 2007-03-21T16:31:30Z
Made available in DSpace on 2011-03-10T14:33:30Z (GMT). No. of bitstreams: 2
P0183.pdf: 1243072 bytes, checksum: 9f8645c2dd4b1eff54611223d6325985 (MD5)
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Previous issue date: 2007-03-21T16:31:30Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
SISTEMAS DE CONTROL
SISTEMAS ELÉCTRICOS DE POTENCIA
FLUJOS DE POTENCIA
CONTROL SYSTEMS
ELECTRIC POWER SYSTEMS
ELECTRIC LOAD FLOW
Visualization and Study Mode Architectures for Real-Time Power System Control
Article
ORIGINAL
P0183.pdf
application/pdf
1243072
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9f8645c2dd4b1eff54611223d6325985
MD5
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LICENSE
license.txt
text/plain
1832
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4184c55860d92840f63a11f728c76f64
MD5
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TEXT
P0183.pdf.txt
P0183.pdf.txt
Extracted text
text/plain
50046
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91732d6619c2db3cbf5fc45057ebb41c
MD5
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15000/9329
oai:bibdigital.epn.edu.ec:15000/9329
2019-04-07 18:17:37.946
Repositorio Digital - EPN
dspace@epn.edu.ec
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
oai:bibdigital.epn.edu.ec:15000/93302019-04-07T22:48:24Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Botero Castro, Héctor Antonio
Ramírez Scarpetta, José Miguel
2007-03-12T16:21:19Z
2010-09-07T16:42:12Z
2011-03-10T14:33:30Z
2007-03-12T16:21:19Z
2010-09-07T16:42:12Z
2011-03-10T14:33:30Z
2007-03-12T16:21:19Z
http://bibdigital.epn.edu.ec/handle/15000/9330
In this paper a methodology for parameter indentification of the standard 421.5 (1992) excitation systems models is presented. The methodology applies parametric identification techniques to the linear dynamics of voltage regulator models. A pseudorandom binary sequence small signal is used in an offline generator test, that allows a reduction in the equipment tes time, in comparision with step or frequency response methods.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-12T16:21:19Z
No. of bitstreams: 1
P0124.pdf: 1096875 bytes, checksum: cc043061aee1d50df2908254a96aa367 (MD5)
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P0124.pdf: 1096875 bytes, checksum: cc043061aee1d50df2908254a96aa367 (MD5)
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P0124.pdf: 1096875 bytes, checksum: cc043061aee1d50df2908254a96aa367 (MD5)
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Previous issue date: 2007-03-12T16:21:19Z
Made available in DSpace on 2011-03-10T14:33:30Z (GMT). No. of bitstreams: 2
P0124.pdf: 1096875 bytes, checksum: cc043061aee1d50df2908254a96aa367 (MD5)
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Previous issue date: 2007-03-12T16:21:19Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
IDENTIFICACIÓN (SISTEMAS DE CONTROL)
IDENTIFICATION (CONTROL SYSTEMS)
A Methodology for Excitation Systems Identification
Article
ORIGINAL
P0124.pdf
application/pdf
1096875
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cc043061aee1d50df2908254a96aa367
MD5
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LICENSE
license.txt
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1832
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73457a76de777a67adab1e43772a34aa
MD5
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P0124.pdf.txt
P0124.pdf.txt
Extracted text
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25174
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fc4f0e82d12473a19d0fb9b8feee6b99
MD5
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15000/9330
oai:bibdigital.epn.edu.ec:15000/9330
2019-04-07 17:48:24.397
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/92892019-04-07T23:44:14Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Sadati, Nasser
Elhamifar, Ehsan
2007-03-12T16:58:59Z
2010-09-07T16:32:45Z
2011-03-10T14:33:30Z
2007-03-12T16:58:59Z
2010-09-07T16:32:45Z
2011-03-10T14:33:30Z
2007-03-12T16:58:59Z
http://bibdigital.epn.edu.ec/handle/15000/9289
In this paper an adaptive fuzzy decentralized
control algorithm for trajectory tracking of robot manipulators is developed. The proposed decentralized control algorithm allows the overall closed-loop system to be stabilized while making the tracking error to be uniformly ultimately bounded (UUB), without having any prior knowledge of the robot manipulator dynamics. The interconnections in the dynamic equations of each subsystem are considered with unknown nonlinear bounds. The adaptive fuzzy neural networks (AFNNs) are proposed to model the unknown nonlinear dynamics of the robots and the interconnection terms. Using Lyapunov method, the stability of the overall system is investigated.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-12T16:58:59Z
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Previous issue date: 2007-03-12T16:58:59Z
Made available in DSpace on 2011-03-10T14:33:30Z (GMT). No. of bitstreams: 2
P0128.pdf: 297722 bytes, checksum: a09a0036aa782076c94bd9f01baa4850 (MD5)
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Previous issue date: 2007-03-12T16:58:59Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
MANIPULADORES
SISTEMAS DE CONTROL
MANIPULATORS
CONTROL SYSTEMS
Adaptive Fuzzy Decentralized Control of Robot Manipulators
Article
ORIGINAL
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P0128.pdf.txt
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fa823605dc8fab22c87b28e4d8bfa8a0
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15000/9289
oai:bibdigital.epn.edu.ec:15000/9289
2019-04-07 18:44:14.449
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/93312019-04-07T23:32:22Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Cortés, Domingo
Álvarez, Joaquín
Álvarez-Gallegos, Jaime
2007-03-20T15:17:18Z
2010-09-07T16:42:12Z
2011-03-10T14:33:31Z
2007-03-20T15:17:18Z
2010-09-07T16:42:12Z
2011-03-10T14:33:31Z
2007-03-20T15:17:18Z
http://bibdigital.epn.edu.ec/handle/15000/9331
Using the underlying idea of the current-mode control, a new dynamical, sliding-mode control for the boost dc-dc converter is proposed. Such controller is easy to design, robust under load and input voltage variations, exhibits fast response, does not depend on the load (although a knowledge of the load range is necessary to tune the controller), requires only voltage measurements, and can be easily implemented using standard electronic components.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-20T15:17:18Z
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P0154.pdf: 635510 bytes, checksum: 303d0c293890d1ae76ca60db1f675cef (MD5)
Previous issue date: 2007-03-20T15:17:18Z
Made available in DSpace on 2011-03-10T14:33:31Z (GMT). No. of bitstreams: 2
license.txt: 1832 bytes, checksum: 9290bb3159806b663e9561b3c2a786b1 (MD5)
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Previous issue date: 2007-03-20T15:17:18Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
CONVERTIDORES ELÉCTRICOS
SISTEMAS DE CONTROL
ELECTRICAL CONVERTERS
CONTROL SYSTEMS
Robust Control of the Boost Converter
Article
LICENSE
license.txt
text/plain
1832
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9290bb3159806b663e9561b3c2a786b1
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ORIGINAL
P0154.pdf
application/pdf
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P0154.pdf.txt
P0154.pdf.txt
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8d74b6b14028a41741f5691c42ada11c
MD5
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15000/9331
oai:bibdigital.epn.edu.ec:15000/9331
2019-04-07 18:32:22.494
Repositorio Digital - EPN
dspace@epn.edu.ec
oai:bibdigital.epn.edu.ec:15000/93322019-04-08T06:40:27Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Carrillo Calderón, Roberto
2007-03-21T16:37:42Z
2010-09-07T16:42:12Z
2011-03-10T14:33:31Z
2007-03-21T16:37:42Z
2010-09-07T16:42:12Z
2011-03-10T14:33:31Z
2007-03-21T16:37:42Z
http://bibdigital.epn.edu.ec/handle/15000/9332
The objective of this paper is to report on the background, the relevant characteristics and the strategy adopted by TRANSELECTRIC for the development of its Transmission Control Center (CCT), a fundamental element to put into practice the foreseeing operative philosophy and to efficiently comply with current regulations, since the Ecuadorian
Electrical Sector was restructured to a deregulated and competitive market.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-21T16:37:41Z
No. of bitstreams: 1
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Made available in DSpace on 2007-03-21T16:37:42Z (GMT). No. of bitstreams: 1
P0184.pdf: 427815 bytes, checksum: 020de57b4f18ed00f758b80d6d0f73cb (MD5)
Made available in DSpace on 2010-09-07T16:42:12Z (GMT). No. of bitstreams: 2
P0184.pdf: 427815 bytes, checksum: 020de57b4f18ed00f758b80d6d0f73cb (MD5)
license.txt: 1832 bytes, checksum: f274326ddc2bbda5460e8bf644ffb5d1 (MD5)
Previous issue date: 2007-03-21T16:37:42Z
Made available in DSpace on 2011-03-10T14:33:31Z (GMT). No. of bitstreams: 2
P0184.pdf: 427815 bytes, checksum: 020de57b4f18ed00f758b80d6d0f73cb (MD5)
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Previous issue date: 2007-03-21T16:37:42Z
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
SISTEMAS ELÉCTRICOS DE POTENCIA
SISTEMAS DE CONTROL
ELECTRIC POWER SYSTEMS
CONTROL SYSTEMS
Transelectric’s Transmission Control Center (CCT): Functionality and Development Strategy
Article
ORIGINAL
P0184.pdf
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427815
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020de57b4f18ed00f758b80d6d0f73cb
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LICENSE
license.txt
text/plain
1832
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f274326ddc2bbda5460e8bf644ffb5d1
MD5
2
TEXT
P0184.pdf.txt
P0184.pdf.txt
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text/plain
21406
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c190e0a24d8f23fd3ebb01e23c51a607
MD5
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P0184.pdf.txt
P0184.pdf.txt
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text/plain
21406
/var/dspace/bitstream/15000/9332/4/P0184.pdf.txt
c190e0a24d8f23fd3ebb01e23c51a607
MD5
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15000/9332
oai:bibdigital.epn.edu.ec:15000/9332
2019-04-08 01:40:27.18
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/93332019-04-07T23:32:49Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Sadati, Nasser
Momeni, A. R.
2007-03-20T19:47:53Z
2010-09-07T16:42:13Z
2011-03-10T14:33:32Z
2007-03-20T19:47:53Z
2010-09-07T16:42:13Z
2011-03-10T14:33:32Z
2007-03-20T19:47:53Z
http://bibdigital.epn.edu.ec/handle/15000/9333
In this paper, which consists of two parts, a new two-level computational algorithm is used for nonlinear optimal control of large-scale systems. The two-level optimizer uses a new coordination strategy which is based on the gradient of interaction errors instead of the gradient of overall performance function. The advantages of the new method can be categorized into two parts: First, the new formulation is applicable to a large class of problems whilst the classical model
coordination method is not. Second, it extremely reduces the number of iterations required for obtaining the overall optimal
solution. Although the computational burden of the algorithm in the first level increases slightly, it is shown that there is a
great saving in computation time of the overall problem. To demonstrate the significance of the theoretical developments
and the computational requirements for new algorithm, a numerical example is presented.
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Previous issue date: 2007-03-20T19:47:53Z
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P0158.pdf: 295199 bytes, checksum: d943209d34c4df0a1b432ef2709d4f46 (MD5)
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Previous issue date: 2007-03-20T19:47:53Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
PREVISIÓN
OPTIMIZACIÓN
ALGORITMOS
SISTEMAS DE CONTROL
FORECASTING
OPTIMIZATION
ALGORITHMS
CONTROL SYSTEMS
Nonlinear Optimal Control of Two-Level Large-Scale Systems; Part I - Interaction Prediction Principle
Article
ORIGINAL
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oai:bibdigital.epn.edu.ec:15000/9333
2019-04-07 18:32:49.544
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/93342019-04-07T15:03:40Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Álvarez-Sánchez, E.
Álvarez-Gallegos, Jaime
Castro-Linares, R.
2007-03-12T15:48:56Z
2010-09-07T16:42:13Z
2011-03-10T14:33:33Z
2007-03-12T15:48:56Z
2010-09-07T16:42:13Z
2011-03-10T14:33:33Z
2007-03-12T15:48:56Z
http://bibdigital.epn.edu.ec/handle/15000/9334
In this paper, the nonlinear mathematical model with five DOFs (degrees-of-freedom) of a magnetic levitation system is developed and analyzed. Then a second order sliding
mode controller is proposed to regulate the levitation to a desired position, stabilize the other 4 DOFs in the nonlinear system and
compensate the unknown increments on the load. Simulation results are presented to show the effectiveness of the proposed controller.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-12T15:48:56Z
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Previous issue date: 2007-03-12T15:48:56Z
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Previous issue date: 2007-03-12T15:48:56Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
LEVITACIÓN MAGNÉTICA
MODELOS MATEMÁTICOS
SISTEMAS DE CONTROL NO LINEAL
MAGNETIC LEVITATION
MATHEMATICAL MODELS
NONLINEAR CONTROL SYSTEMS
A Maglev System: Modeling and Controller Design
Article
ORIGINAL
P0121.pdf
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oai:bibdigital.epn.edu.ec:15000/9334
2019-04-07 10:03:40.292
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/93352019-04-07T18:53:54Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Burbano Romero, Patricio
Proaño Rosero, Víctor Gonzalo
2007-03-21T15:08:36Z
2010-09-07T16:42:13Z
2011-03-10T14:33:33Z
2007-03-21T15:08:36Z
2010-09-07T16:42:13Z
2011-03-10T14:33:33Z
2007-03-21T15:08:36Z
http://bibdigital.epn.edu.ec/handle/15000/9335
This paper considers the problem of synthesizing proportional-integral-derivative (PIC) controllers for which the closed-loop system is internally stable and the H norm of a related transfer function is less than a prescribed level for a given single-input single output plant. In our approach, in this paper, this problem is formulated by virtue of the bounded real lemma, as a feasibility problem involving a bilinear matrix inequality (BMI) and solved by means of a sequence of easier auxiliary quadratic optimization problem. The optimal controller is determined through a line search on the non negative real axis.
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P0177.pdf: 1867588 bytes, checksum: c7558f4fcef1fee6f2135335e5271c99 (MD5)
Previous issue date: 2007-03-21T15:08:36Z
Made available in DSpace on 2011-03-10T14:33:33Z (GMT). No. of bitstreams: 2
license.txt: 1832 bytes, checksum: 29b4786effc8d234a62ac536f5c908d9 (MD5)
P0177.pdf: 1867588 bytes, checksum: c7558f4fcef1fee6f2135335e5271c99 (MD5)
Previous issue date: 2007-03-21T15:08:36Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
SISTEMAS DE CONTROL PID
THREE TERM CONTROL SYSTEMS
Synthesis of H PID controllers
Article
LICENSE
license.txt
text/plain
1832
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29b4786effc8d234a62ac536f5c908d9
MD5
1
ORIGINAL
P0177.pdf
application/pdf
1867588
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c7558f4fcef1fee6f2135335e5271c99
MD5
2
TEXT
P0177.pdf.txt
P0177.pdf.txt
Extracted text
text/plain
19245
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1e22d5ca9e6f2e87f252b63bc19c3606
MD5
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15000/9335
oai:bibdigital.epn.edu.ec:15000/9335
2019-04-07 13:53:54.247
Repositorio Digital - EPN
dspace@epn.edu.ec
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
oai:bibdigital.epn.edu.ec:15000/93362019-04-07T23:44:52Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Sadati, Nasser
Elhamifar, Ehsan
2007-03-21T13:21:46Z
2010-09-07T16:42:13Z
2011-03-10T14:33:33Z
2007-03-21T13:21:46Z
2010-09-07T16:42:13Z
2011-03-10T14:33:33Z
2007-03-21T13:21:46Z
http://bibdigital.epn.edu.ec/handle/15000/9336
In this paper a decentralized control scheme for multiple cooperative manipulators is developed to achieve the desired performance in motion and force tracking, in the presence of uncertainties in dynamic equations of the robots. To eliminate the effects of uncertainties in the closed-loop performance, a new adaptive control algorithm is proposed.
Based on the Lyapunov stability method, it is proved that all the error signals in the closed-loop system which is compose of
a robot, an observer and a controller asymptotically converge to zero. Also to avoid the difficulties of using velocity sensors within the cooperative system, an output feedback control scheme with a linear observer is used.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-21T13:21:46Z
No. of bitstreams: 1
P0168.pdf: 309098 bytes, checksum: e05b1910fed36c0a9e1d969fc648abc6 (MD5)
Made available in DSpace on 2007-03-21T13:21:46Z (GMT). No. of bitstreams: 1
P0168.pdf: 309098 bytes, checksum: e05b1910fed36c0a9e1d969fc648abc6 (MD5)
Made available in DSpace on 2010-09-07T16:42:13Z (GMT). No. of bitstreams: 2
license.txt: 1832 bytes, checksum: 0950384ad9ed63e34f0d6d3e64c07e83 (MD5)
P0168.pdf: 309098 bytes, checksum: e05b1910fed36c0a9e1d969fc648abc6 (MD5)
Previous issue date: 2007-03-21T13:21:46Z
Made available in DSpace on 2011-03-10T14:33:33Z (GMT). No. of bitstreams: 2
license.txt: 1832 bytes, checksum: 0950384ad9ed63e34f0d6d3e64c07e83 (MD5)
P0168.pdf: 309098 bytes, checksum: e05b1910fed36c0a9e1d969fc648abc6 (MD5)
Previous issue date: 2007-03-21T13:21:46Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
SISTEMAS DE CONTROL
MANIPULADORES
ROBÓTICA
CONTROL SYSTEMS
MANIPULATORS
ROBOTICS
Output Feedback Adaptive Decentralized Control of Cooperative Robots
Article
LICENSE
license.txt
text/plain
1832
/var/dspace/bitstream/15000/9336/1/license.txt
0950384ad9ed63e34f0d6d3e64c07e83
MD5
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ORIGINAL
P0168.pdf
application/pdf
309098
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e05b1910fed36c0a9e1d969fc648abc6
MD5
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TEXT
P0168.pdf.txt
P0168.pdf.txt
Extracted text
text/plain
22537
/var/dspace/bitstream/15000/9336/3/P0168.pdf.txt
13a0618c4d1896bc2a6c3bbbf021ff6c
MD5
3
15000/9336
oai:bibdigital.epn.edu.ec:15000/9336
2019-04-07 18:44:52.849
Repositorio Digital - EPN
dspace@epn.edu.ec
oai:bibdigital.epn.edu.ec:15000/93372019-04-08T06:42:14Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Ruiz Ruiz, Raúl A.
2007-03-21T16:51:39Z
2010-09-07T16:42:14Z
2011-03-10T14:33:33Z
2007-03-21T16:51:39Z
2010-09-07T16:42:14Z
2011-03-10T14:33:33Z
2007-03-21T16:51:39Z
http://bibdigital.epn.edu.ec/handle/15000/9337
This article shows the main characteristics of actual EEQ SCADA System, as well as the most important aspects to be considered within the design requirements of a new SCADA and substations automation according with new technical criteria, the use of international standards and the application of the most modern technological solutions. The relevant
concepts applied in a design based on open architecture and the implications of the integration of the IED´s within the substations automation are analysed to take
advantage of the maximum potentialities and varied functionality of these intelligent equipment. Finally the basic requirements of the communication system for the new SCADA are approached.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-21T16:51:39Z
No. of bitstreams: 1
P0186.pdf: 1275384 bytes, checksum: 9a34119dbcef9c27a22d1f5f4a502ed3 (MD5)
Made available in DSpace on 2007-03-21T16:51:39Z (GMT). No. of bitstreams: 1
P0186.pdf: 1275384 bytes, checksum: 9a34119dbcef9c27a22d1f5f4a502ed3 (MD5)
Made available in DSpace on 2010-09-07T16:42:14Z (GMT). No. of bitstreams: 2
P0186.pdf: 1275384 bytes, checksum: 9a34119dbcef9c27a22d1f5f4a502ed3 (MD5)
license.txt: 1832 bytes, checksum: 3168287bc079727c18d4787f4a4bdc4b (MD5)
Previous issue date: 2007-03-21T16:51:39Z
Made available in DSpace on 2011-03-10T14:33:33Z (GMT). No. of bitstreams: 2
P0186.pdf: 1275384 bytes, checksum: 9a34119dbcef9c27a22d1f5f4a502ed3 (MD5)
license.txt: 1832 bytes, checksum: 3168287bc079727c18d4787f4a4bdc4b (MD5)
Previous issue date: 2007-03-21T16:51:39Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
SISTEMAS SCADA
SUBESTACIONES ELÉCTRICAS
SCADA SYSTEMS
ELECTRIC SUBSTATIONS
New EEQ S.A. SCADA and Substation Automation Project
Article
ORIGINAL
P0186.pdf
application/pdf
1275384
/var/dspace/bitstream/15000/9337/1/P0186.pdf
9a34119dbcef9c27a22d1f5f4a502ed3
MD5
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LICENSE
license.txt
text/plain
1832
/var/dspace/bitstream/15000/9337/2/license.txt
3168287bc079727c18d4787f4a4bdc4b
MD5
2
TEXT
P0186.pdf.txt
P0186.pdf.txt
Extracted text
text/plain
22982
/var/dspace/bitstream/15000/9337/3/P0186.pdf.txt
f494297a559559ed5fa78979affbf864
MD5
3
P0186.pdf.txt
P0186.pdf.txt
Extracted text
text/plain
22982
/var/dspace/bitstream/15000/9337/4/P0186.pdf.txt
f494297a559559ed5fa78979affbf864
MD5
4
P0186.pdf.txt
P0186.pdf.txt
Extracted text
text/plain
22982
/var/dspace/bitstream/15000/9337/5/P0186.pdf.txt
f494297a559559ed5fa78979affbf864
MD5
5
P0186.pdf.txt
P0186.pdf.txt
Extracted text
text/plain
22982
/var/dspace/bitstream/15000/9337/6/P0186.pdf.txt
f494297a559559ed5fa78979affbf864
MD5
6
P0186.pdf.txt
P0186.pdf.txt
Extracted text
text/plain
22982
/var/dspace/bitstream/15000/9337/7/P0186.pdf.txt
f494297a559559ed5fa78979affbf864
MD5
7
P0186.pdf.txt
P0186.pdf.txt
Extracted text
text/plain
22982
/var/dspace/bitstream/15000/9337/8/P0186.pdf.txt
f494297a559559ed5fa78979affbf864
MD5
8
15000/9337
oai:bibdigital.epn.edu.ec:15000/9337
2019-04-08 01:42:14.223
Repositorio Digital - EPN
dspace@epn.edu.ec
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
oai:bibdigital.epn.edu.ec:15000/93382019-04-07T14:59:08Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Franco, Edison
Amaya, Martha
Ramírez, José
2007-03-12T15:56:19Z
2010-09-07T16:42:14Z
2011-03-10T14:33:33Z
2007-03-12T15:56:19Z
2010-09-07T16:42:14Z
2011-03-10T14:33:33Z
2007-03-12T15:56:19Z
http://bibdigital.epn.edu.ec/handle/15000/9338
This paper develops a formal and general model for an induction motor with periodic variations of the rotor slot; this induction motor with induced saliencies is commonly used in sensorless control applications. In order to obtain the model, first the analysis of the stator and rotor inductances modified
by induced saliencies is carried out; second, the electromagnetic and electomechanical equations in ABC frame are developed and third, the model is represented in the natural orthogonal a-b frames. The obtained model is suitable for control design and compatible with the classical ab model for induction motors without saliencies.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-12T15:56:19Z
No. of bitstreams: 1
P0122.PDF: 307688 bytes, checksum: 7627467d1cf03370af696e43bf108c36 (MD5)
Made available in DSpace on 2007-03-12T15:56:19Z (GMT). No. of bitstreams: 1
P0122.PDF: 307688 bytes, checksum: 7627467d1cf03370af696e43bf108c36 (MD5)
Made available in DSpace on 2010-09-07T16:42:14Z (GMT). No. of bitstreams: 2
P0122.PDF: 307688 bytes, checksum: 7627467d1cf03370af696e43bf108c36 (MD5)
license.txt: 1832 bytes, checksum: 217f4fa7d4d5ec52dfcf25c3c7689a31 (MD5)
Previous issue date: 2007-03-12T15:56:19Z
Made available in DSpace on 2011-03-10T14:33:33Z (GMT). No. of bitstreams: 2
P0122.PDF: 307688 bytes, checksum: 7627467d1cf03370af696e43bf108c36 (MD5)
license.txt: 1832 bytes, checksum: 217f4fa7d4d5ec52dfcf25c3c7689a31 (MD5)
Previous issue date: 2007-03-12T15:56:19Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
MOTORES DE INDUCCIÓN
INDUCTION MOTORS
A New Model For Induction Motor With Induced Saliencies
Article
ORIGINAL
P0122.PDF
application/pdf
307688
/var/dspace/bitstream/15000/9338/1/P0122.PDF
7627467d1cf03370af696e43bf108c36
MD5
1
LICENSE
license.txt
text/plain
1832
/var/dspace/bitstream/15000/9338/2/license.txt
217f4fa7d4d5ec52dfcf25c3c7689a31
MD5
2
TEXT
P0122.PDF.txt
P0122.PDF.txt
Extracted text
text/plain
18909
/var/dspace/bitstream/15000/9338/3/P0122.PDF.txt
ce766c75f094cd8efbdf027897077ef0
MD5
3
15000/9338
oai:bibdigital.epn.edu.ec:15000/9338
2019-04-07 09:59:08.93
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/93392019-04-07T22:57:35Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Díaz, I.
Branch, John W.
Boulanger, Pierre
2007-03-21T14:29:06Z
2010-09-07T16:42:14Z
2011-03-10T14:33:33Z
2007-03-21T14:29:06Z
2010-09-07T16:42:14Z
2011-03-10T14:33:33Z
2007-03-21T14:29:06Z
http://bibdigital.epn.edu.ec/handle/15000/9339
The following article presents a segmentation method of range images. This method is based on edge map detection by calculations of depth gradients and orientation gradients and a genetic algorithm. The objective is to delimit the planar patches contained in images to facilitate the labelling of each region. The genetic algorithm is guided by depth gradients and orientation gradients in order to find the edge map of the image.
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Previous issue date: 2007-03-21T14:29:06Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
PROCESAMIENTO DE IMÁGENES
SEGMENTACIÓN DE IMÁGENES
ALGORITMOS GENÉTICOS
IMAGE PROCESSING
IMAGE SEGMENTATION
GENETIC ALGORITHMS
A Genetic Algorithm to Segment Range Image by Edge Detection
Article
LICENSE
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ORIGINAL
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oai:bibdigital.epn.edu.ec:15000/9339
2019-04-07 17:57:35.904
Repositorio Digital - EPN
dspace@epn.edu.ec
oai:bibdigital.epn.edu.ec:15000/93402019-04-07T15:05:08Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Sadati, Nasser
Marvast, Dehghan
2007-03-20T20:09:01Z
2010-09-07T16:42:15Z
2011-03-10T14:33:34Z
2007-03-20T20:09:01Z
2010-09-07T16:42:15Z
2011-03-10T14:33:34Z
2007-03-20T20:09:01Z
http://bibdigital.epn.edu.ec/handle/15000/9340
In this part, similar to Part I of this paper, a new two-level method for nonlinear optimal control of large scale systems is introduced. This approach is based on Interaction Balance Principle for coordination of large-scale systems. In the
first level, the optimization problems are solved for nonlinear dynamics using a gradient method, and in the second level, the
coordination is done using the gradient of errors to improve the convergence rate in compare to the classical Goal Coordination
method and obtain the overall optimal solution. The efficacy and advantages of the new approach is shown in an application example.
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Previous issue date: 2007-03-20T20:09:01Z
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Previous issue date: 2007-03-20T20:09:01Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
SISTEMAS DE CONTROL ÓPTIMO
OPTIMIZACIÓN
OPTIMAL CONTROL SYSTEMS
OPTIMIZATION
Nonlinear Optimal Control of Large-Scale Systems; Part II – Interaction Balance Principle
Article
ORIGINAL
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oai:bibdigital.epn.edu.ec:15000/9340
2019-04-07 10:05:08.436
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/92902019-04-08T02:55:29Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Cerón Aguirre, Oscar
Burbano Romero, Patricio
Prado, A.
2007-03-20T13:12:38Z
2010-09-07T16:32:45Z
2011-03-10T14:33:34Z
2007-03-20T13:12:38Z
2010-09-07T16:32:45Z
2011-03-10T14:33:34Z
2007-03-20T13:12:38Z
http://bibdigital.epn.edu.ec/handle/15000/9290
The ambiguity, robustness and performance of systems becomes increasingly evident as the complexity and size increase in industrial processes. Under these circumstances, conventional control techniques such as PID control, nonlinear feedback control, LQG control and H∞ control have several disadvantages because they are hard or inflexible and cannot handle qualitative knowledge. This may explain the dominant role of emerging “intelligent control, using soft computing” as an interesting alternative. This means that increasing complexity requires an increase in intelligence in order to provide robustness and adaptability. Intelligent techniques such as fuzzy systems (FS), neural networks (NN) and genetic algorithms (GA) can be combined using the resources of such techniques complementary. This paper is a report of a research work in intelligent control of the GISIA group (Grupo de Investigación en Sistemas Inteligentes y Aplicaciones) at Escuela Politécnica Nacional.
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Previous issue date: 2007-03-20T13:12:38Z
Made available in DSpace on 2011-03-10T14:33:34Z (GMT). No. of bitstreams: 2
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Previous issue date: 2007-03-20T13:12:38Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
CONTROL INTELIGENTE
INTELLIGENT CONTROL
Control Applications Using Computational Intelligence Methodologies
Article
ORIGINAL
P0148.pdf
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15000/9290
oai:bibdigital.epn.edu.ec:15000/9290
2019-04-07 21:55:29.833
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/93412019-04-07T15:04:09Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Schmidt, I.
Veszprémi, K.
2007-03-09T19:02:31Z
2010-09-07T16:42:15Z
2011-03-10T14:33:34Z
2007-03-09T19:02:31Z
2010-09-07T16:42:15Z
2011-03-10T14:33:34Z
2007-03-09T19:02:31Z
http://bibdigital.epn.edu.ec/handle/15000/9341
The well–known principle of the direct torque
control applied mainly to squirrel–cage induction motor drives can be generalized and applied to other machines, quantities,
converters and systems. These are: other AC machines (double–fed induction and permanent magnet synchronous machine), active and reactive power, direct power control of
the line side converter, direct controls of both of the converters
in a DC link inverter. These new fields are investigated in this paper generally and their application to the components of a
wind generator practically. The limits of the direct torque control in salient–pole permanent magnet synchronous generator
are given. A solution is given for the stability problem of the
double–fed induction generator. The systems are investigated by simulation, the results show the excellent performance of the proposed controls.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-09T19:02:31Z
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Previous issue date: 2007-03-09T19:02:31Z
Made available in DSpace on 2011-03-10T14:33:34Z (GMT). No. of bitstreams: 2
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Previous issue date: 2007-03-09T19:02:31Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
CONTROL DE LA VELOCIDAD
GENERADORES EÓLICOS
SPEED CONTROL
WIND GENERATORS
Application of Direct Controls to Variable–Speed Wind
Article
ORIGINAL
P0105.pdf
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oai:bibdigital.epn.edu.ec:15000/9341
2019-04-07 10:04:09.51
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/93192019-04-08T02:23:20Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Narváez Portillo, Andrés Fernando
2007-03-21T16:45:29Z
2010-09-07T16:40:14Z
2011-03-10T14:33:34Z
2007-03-21T16:45:29Z
2010-09-07T16:40:14Z
2011-03-10T14:33:34Z
2007-03-21T16:45:29Z
http://bibdigital.epn.edu.ec/handle/15000/9319
The Automatic Generation Control – AGC has as the main objective keep the system frequency and the net interchange in the tie lines near to their scheduled values through generation set points in the units conditioned to this purpose. Consequently, the AGC implementation requires a careful process of tuning and testing of the remote control devices for generation units and the AGC program installed in the Electric Market Administrator.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-21T16:45:29Z
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Previous issue date: 2007-03-21T16:45:29Z
Made available in DSpace on 2011-03-10T14:33:34Z (GMT). No. of bitstreams: 2
P0185.pdf: 429741 bytes, checksum: 1a76732977319b7b54c76f58f11d8844 (MD5)
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Previous issue date: 2007-03-21T16:45:29Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
GENERACIÓN DE ENERGÍA ELÉCTRICA
SISTEMAS DE CONTROL
ELECTRIC ENERGY GENERATION
CONTROL SYSTEMS
Implementation and Tuning of the Automatic Generation Control in the Energy National Control Center of Ecuador - CENACE
Article
ORIGINAL
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oai:bibdigital.epn.edu.ec:15000/9319
2019-04-07 21:23:20.912
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/92942019-04-07T23:46:21Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Tudoroiu, N.
Zaheeruddin, M.
2007-03-20T15:28:06Z
2010-09-07T16:32:47Z
2011-03-10T14:33:34Z
2007-03-20T15:28:06Z
2010-09-07T16:32:47Z
2011-03-10T14:33:34Z
2007-03-20T15:28:06Z
http://bibdigital.epn.edu.ec/handle/15000/9294
One of the main objectives of our research
is to build several ARMA linear models and nonlinear neuro models for DAT systems such as developed in [3], [4]. Based on these models we have been interested to build some feedback control strategies for these systems
[3]-[5]. Due to the highly complexity of the HVAC systems the requirements for reliability, availability, and security grow significantly and consequently investigations in this field become necessary. The objective of our paper is to develop some strategies for the fault detection and diagnosis (FDD) of the HVAC systems based on frequency and spectral analysis of the system response. The main interest is focused on dealing with the unanticipated valves actuators failures in the most general formulation based on the frequency analysis of the system response. In our study we consider that the increasing of the backlash opening in the valve actuators could create serious problems by degrading drastically the HVAC system performance.
Based on the spectrum analysis we are capable to gather the most significant patterns that characterize well each fault mode detected, and finally a systematic procedure and technique for proper fault accommodation under the unanticipated failures will be developed. As tools we use MATLAB with SIMULINK toolboxes from control systems, system identification and signal processing.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-20T15:28:06Z
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Previous issue date: 2007-03-20T15:28:06Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
ANÁLISIS ESPECTRAL
SISTEMAS DE CONTROL
MATLAB (LENGUAJE DE PROGRAMACIÓN)
SIMULINK
SPECTRUM ANALYSIS
CONTROL SYSTEMS
MATLAB (PROGRAMMING LANGUAGE)
SIMULINK
Fault Detection and Diagnosis of the Valve Actuators in HVAC Systems, Using Frequency Analysis
Article
LICENSE
license.txt
text/plain
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ORIGINAL
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application/pdf
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Extracted text
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MD5
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15000/9294
oai:bibdigital.epn.edu.ec:15000/9294
2019-04-07 18:46:21.128
Repositorio Digital - EPN
dspace@epn.edu.ec
oai:bibdigital.epn.edu.ec:15000/93042019-04-08T06:18:04Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Ramos Paja, Carlos Andrés
Ramírez Scarpetta, José Miguel
2007-03-12T15:09:44Z
2010-09-07T16:32:50Z
2011-03-10T14:33:34Z
2007-03-12T15:09:44Z
2010-09-07T16:32:50Z
2011-03-10T14:33:34Z
2007-03-12T15:09:44Z
http://bibdigital.epn.edu.ec/handle/15000/9304
This document describes a general structure for the implementation of virtual tools for remote calculation through Internet. Two virtual tools for mathematical analysis
(Analys) and simulation of dynamic systems (SimWeb), supported by the Matlab c, are described. These virtual tools, permit access to the Matlab from multiple work stations, without distance, power computer restrictions or user’s knowledge in Matlab language; in a similar way, they allow the simulations of block diagrams through a friendly user interface. The remote calculation tools have low cost of implementation, allowing to obtain a system of high calculation power and
accessible for a great number of users. The tools are oriented to automatic control systems analysis and simulation, but their use is expandable to other fields of engineering and basic sciences.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-12T15:09:44Z
No. of bitstreams: 1
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P0112.PDF: 810639 bytes, checksum: 8f0f8e5ea61d00afcb0b4b9ee878c5cd (MD5)
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Previous issue date: 2007-03-12T15:09:44Z
Made available in DSpace on 2011-03-10T14:33:34Z (GMT). No. of bitstreams: 2
P0112.PDF: 810639 bytes, checksum: 8f0f8e5ea61d00afcb0b4b9ee878c5cd (MD5)
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Previous issue date: 2007-03-12T15:09:44Z
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
ANALISIS DE SISTEMAS DE CONTROL
MATLAB (LENGUAJE DE PROGRAMACIÓN)
SIMULACIÓN POR COMPUTADOR
CONTROL SYSTEMS ANALYSIS
MATLAB (PROGRAMMING LANGUAGE)
COMPUTER SIMULATION
Virtual Tools for Remote Analysis and Simulation
Article
ORIGINAL
P0112.PDF
application/pdf
810639
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MD5
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LICENSE
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text/plain
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04744dc739a974c375de2ecac0d53899
MD5
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TEXT
P0112.PDF.txt
P0112.PDF.txt
Extracted text
text/plain
25130
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80acbfbe526d60af889aaa7b0e1c2127
MD5
3
15000/9304
oai:bibdigital.epn.edu.ec:15000/9304
2019-04-08 01:18:04.608
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/92912019-04-07T11:28:29Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Vittek, Ján
Michalík, Ján
Vavrús, Vladimir
Horváth, Vladimir
2007-03-20T13:46:38Z
2010-09-07T16:32:46Z
2011-03-10T14:33:34Z
2007-03-20T13:46:38Z
2010-09-07T16:32:46Z
2011-03-10T14:33:34Z
2007-03-20T13:46:38Z
http://bibdigital.epn.edu.ec/handle/15000/9291
The paper presents forced dynamics control of an electric drive with linear permanent magnet synchronous motor. This control method offers an accurate realisation of a dynamic speed response, which can be selected for given application by the user. In addition to this, the angle between stator current vector and moving part flux vector are maintained mutually perpendicular as it is in conventional vector control. To achieve prescribed speed response derived control law requires an external force information, which is obtained from the set of observers. The first set of observers is based on sliding-mode, while the second observer is classical full-state observer and exploits information of the position sensor. Simulations of the overall control system together with preliminary experimental results for the drive with rotational synchronous motor predict intended performance of the drive.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-20T13:46:38Z
No. of bitstreams: 1
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Made available in DSpace on 2010-09-07T16:32:46Z (GMT). No. of bitstreams: 2
license.txt: 1832 bytes, checksum: 5a2ed7164276ea935d77b921b136ea91 (MD5)
P0150.pdf: 1453135 bytes, checksum: 777fd13a0b5cd35219f56350f430dbc9 (MD5)
Previous issue date: 2007-03-20T13:46:38Z
Made available in DSpace on 2011-03-10T14:33:34Z (GMT). No. of bitstreams: 2
license.txt: 1832 bytes, checksum: 5a2ed7164276ea935d77b921b136ea91 (MD5)
P0150.pdf: 1453135 bytes, checksum: 777fd13a0b5cd35219f56350f430dbc9 (MD5)
Previous issue date: 2007-03-20T13:46:38Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
CONTROL DE LA VELOCIDAD
SISTEMAS DE CONTROL
SPEED CONTROL
CONTROL SYSTEMS
Design of Control System for Forced Dynamics Control of an Electric Drive Employing Linear Permanent Magnet Synchronous Motor
Article
LICENSE
license.txt
text/plain
1832
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5a2ed7164276ea935d77b921b136ea91
MD5
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ORIGINAL
P0150.pdf
application/pdf
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P0150.pdf.txt
Extracted text
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MD5
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15000/9291
oai:bibdigital.epn.edu.ec:15000/9291
2019-04-07 06:28:29.12
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/92922019-04-08T07:14:24Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
González C., Alexander
Martínez Díaz, Rodrigo
Cabal, Eisenover
2007-03-09T16:46:33Z
2010-09-07T16:32:46Z
2011-03-10T14:33:35Z
2007-03-09T16:46:33Z
2010-09-07T16:32:46Z
2011-03-10T14:33:35Z
2007-03-09T16:46:33Z
http://bibdigital.epn.edu.ec/handle/15000/9292
This paper contains a synthesis to model an
electromagnetic levitation system using a direct evaluation method of electromagnetic and electromotive forces, taking the
Maxwell equations that relate electric and magnetic fields. The aim of this work is to contribute to researches focussed on developing and optimising mechanisms to provide solutions for applications where mechanical friction must be reduced or
eliminated. A prototype is also presented; it will support experimental requirements for curses on automatic control and physical experimentation principles as well as models
related with electrostatics and magnetodynamics.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-09T16:46:33Z
No. of bitstreams: 1
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Previous issue date: 2007-03-09T16:46:33Z
Made available in DSpace on 2011-03-10T14:33:35Z (GMT). No. of bitstreams: 2
P0102.pdf: 1223864 bytes, checksum: a8c6e583cbbab039e3a499e48c6a0118 (MD5)
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Previous issue date: 2007-03-09T16:46:33Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
LEVITACIÓN MAGNÉTICA
ECUACIONES DE MAXWELL
MAGNETIC LEVITATION
MAXWELL EQUATIONS
Mathematical Model of a Levitation System
Article
ORIGINAL
P0102.pdf
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P0102.pdf.txt
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15000/9292
oai:bibdigital.epn.edu.ec:15000/9292
2019-04-08 02:14:24.888
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/92932019-04-07T22:59:47Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Losic, Novica A.
2007-03-13T20:59:29Z
2010-09-07T16:32:47Z
2011-03-10T14:33:35Z
2007-03-13T20:59:29Z
2010-09-07T16:32:47Z
2011-03-10T14:33:35Z
2007-03-13T20:59:29Z
http://bibdigital.epn.edu.ec/handle/15000/9293
A vector-controlled permanent-magnet (PM) synchronous machines has been modeled and simulated in both the monitoring and generating mode of operation. The control provides for the maximized torque and, therefore, maximum efficiency during motoring, and for a controlled power, tight voltaje regulation in the presence of load changes, and minimum bus voltaje ripple at the output of ac-dc converter during generation. A three phase-locked loop is used to provide the unity vector information in both the sensor-based and sensorless scheme. The results of the simulation are presented, including modeling details and simulation parameters.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-13T20:59:28Z
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Previous issue date: 2007-03-13T20:59:29Z
Made available in DSpace on 2011-03-10T14:33:35Z (GMT). No. of bitstreams: 2
P0146.pdf: 1072891 bytes, checksum: 1444edfcc98c90c4448ce3e4fdd80eb8 (MD5)
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Previous issue date: 2007-03-13T20:59:29Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
MOTORES SINCRÓNICOS
SISTEMAS DE CONTROL
SYNCHRONOUS MOTORS
CONTROL SYSTEMS
Modeling and Simulation of a Vector-Controlled Synchronous Machine in Motoring and Generating Mode
Article
ORIGINAL
P0146.pdf
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41
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15000/9293
oai:bibdigital.epn.edu.ec:15000/9293
2019-04-07 17:59:47.368
Repositorio Digital - EPN
dspace@epn.edu.ec
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oai:bibdigital.epn.edu.ec:15000/92952019-04-08T09:54:15Zcom_15000_2845com_15000_2844com_15000_13col_15000_2846
Cabal, Eisenover
Martínez Díaz, Rodrigo
2007-03-12T17:26:53Z
2010-09-07T16:32:47Z
2011-03-10T14:33:35Z
2007-03-12T17:26:53Z
2010-09-07T16:32:47Z
2011-03-10T14:33:35Z
2007-03-12T17:26:53Z
http://bibdigital.epn.edu.ec/handle/15000/9295
This paper presents a mathematical model and the performance evaluation of a kind of electromagnetic levitation/suspension system, where the static and dynamic magnetic fields are linked through conductor bodies. The
complex and nonlinear dynamic of the system, allows it to illustrate in a practical form, different aspects of automatic control like mathematical modelling, nonlinear analysis,
simulating, controllers design, evaluation and validation of linear and nonlinear controllers. Also, the system allows to illustrate the basic principles of operation of the big developments in power applications, force generation and energy conversion. The performance evaluation is started from a model obtained by direct evaluation of mechanical forces of electromagnetic origin and virtual work method.
Submitted by HOMERO ALMEIDA (biee@epn.edu.ec) on 2007-03-12T17:26:53Z
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Previous issue date: 2007-03-12T17:26:53Z
Made available in DSpace on 2011-03-10T14:33:35Z (GMT). No. of bitstreams: 2
P0135.pdf: 526454 bytes, checksum: ec97a818b983704bda424e070c218d62 (MD5)
license.txt: 1832 bytes, checksum: f8b27acc920beb0ea6c9813cedbf0d49 (MD5)
Previous issue date: 2007-03-12T17:26:53Z
eng
openAccess
https://creativecommons.org/licenses/by-nc-nd/4.0/
LEVITACIÓN MAGNÉTICA
MAGNETIC LEVITATION
Non Linear Dynamics of an Electromagnetic / Levitation System
Article
ORIGINAL
P0135.pdf
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20090
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15000/9295
oai:bibdigital.epn.edu.ec:15000/9295
2019-04-08 04:54:15.238
Repositorio Digital - EPN
dspace@epn.edu.ec
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