Estudio, diseño e implementación de esquemas de control para procesos no lineales : diseño y simulación de controladores aplicados al modelo de un invernadero.

Abstract

The main objective of this work is to compare the performance of two types of controllers: PID and Fuzzy SMC, applied to the control of the microclimate of a greenhouse with respect to the Vapor Pressure Deficit (VPD) as the variable of interest. The mathematical model of the greenhouse was implemented using Matlab's Simulink tool, and the controllers were designed. The simulation results were presented in an interface created using Matlab's Guide. The controllers were compared using the ISE and IAE performance indices to quantify performance. Both were tested in various scenarios: without disturbances and with different sets of disturbances (external temperature, external humidity, and external radiation), resulting in better performance of the Fuzzy SMC controller as its ISE and IAE performance indices showed better results.