Comparative study of PID controller Tuning method

Abstract

the present work, evaluation of performance of different tuning method of PID controller is being carried out. It has become essential to carry out tuning of various parameters associated with PID controller because of the vast application of controllers in the industrial field. In the present work, various conventional tuning methods such as Cohen-Coon, Ziegler-Nichols and Chien-Hrones-Reswick as well as optimum tuning methods are considered. Feedback control method is utilized to evaluate the performance of mentioned tuning methods which in tune controls the oven system temperature. Here, controller properties such as load disturbance rejection property and set point regulation properties are evaluated. The results obtained over simulation exhibit less settling time and low overshoot in majority of tuning rules. Thus the present work carries out a comparative study and evaluation of the conventional and optimum tuning methods.