Design of PID gain scheduling technique for temperature control system

Norbi, Nurizzatul Aqila (2017) Design of PID gain scheduling technique for temperature control system. Project Report. Universiti Teknikal Malaysia Melaka, Melaka. (Submitted)

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Abstract

In this thesis, a PID controller is designed to control the performance of the process temperature control system. The designed PID controller is applied in the process of temperature control system by using fuzzy gain scheduling technique to improve the performance of transient response of the temperature control system. MATLAB/Simulink software is used in order to design the PID controller and thus, to obtain the analysis of the performance of the transient responses for the temperature control system. As a result, the simulation from the MATLAB shows the temperature control system performance which is in transient response analysis, parameter variation and statistical analysis. The transient response analysis gives the results in term of percentage overshoot, rise time, settling time and steady-state error. Next, to get a better performance in the temperature control system, the fuzzy gain scheduling technique is applied until the desired temperature without a disturbance is achieved. From this, it has been found that PID controller tuned by the fuzzy gain scheduling technique gives the best performance compared to PID controller using Cohen-Coon and Ziegler-Nichols method. It is because the rise time and settling time of the system from fuzzy gain scheduling is faster compared to the other two methods which is 0.004ms and 0.013ms respectively.

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