Adaptive tuning of PID controller for multivariable system using bacterial foraging based optimization

Authors:
Dong Hwa Kim;Jae Hoon Cho
Affiliations:
Dept. of Instrumentation and Control Eng., Hanbat National University, Daejeon City, Korea;Hanbat National University
Venue:
AWIC'05 Proceedings of the Third international conference on Advances in Web Intelligence
Year:
2005

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Abstract

In this paper, design approach of PID controller with multivariable system is proposed using bacterial foraging based optimal algorithm. To tune PID controller for multivariable system, disturbance rejection conditions based on H∞ are illustrated and the performance of response based on the bacterial foraging is computed for the designed PID controller as ITSE (Integral of time weighted squared error). Hence, parameters of PID controller are selected by bacterial foraging based optimal algorithm to obtain the required response.