Fuzzy Environment Control Case Studies

Abstract

The control of the environment often takes place only by means of temperature control, but when the control is on the environment in case of factories (in textile factories the control must be in the temperature as well as humidity which help in stretched the thread) the importance of humidity and temperature control becomes clear, The traditional and theories of control in many systems was used and this may encounter difficulties to find mathematical model. When the computers existed, a need of using new control systems which lessen the dependence of the mathematical model arise. One of these systems is Fuzzy Logic Control (FLC). The use of Fuzzy Logic Control took place in the designing ways for control of temperature and humidity (champers) by means of choosing suitable control rules, thus the simulation of the system took place by use of simlink toolbox in MatLab. The results were satisfactory since the output response was stable with out sharp overshoot that after applying a unit step input. Which makes the high possibilities of fuzzy control and the ability of applying in case of multi input systems.