PID CONTROLLER TUNING FOR UNSTABLE
SYSTEMS BY OPTIMIZATION METHOD 期刊名称： Chemical Engineering Communications
作者： JHUNJHUNWALA, MANOJ K.,CHIDAMBARAM, M.
年份： 2001年
期号： 第1期
关键词： PID ttings; unstable systems; t point weighting; optimization;
bioreactor; unstable CSTR
摘要：Simple Tuning formulae are provided for optimal PID controller ttings for unstable first order plus time delay systems. The method is bad on minimization of integral squared errors (ISE). A method of calculating the t point weighting parameter is propod to reduce the overshoot for rvo problems. The performances of the propod PID ttings are compared with the ttings recently pro
pod by Huang and Chen (1997, 1999) for both the rvo and regulatory problems. The performance of the controller is also evaluated under parameter uncertainty in time delay and parately in process gain. Tuning formulae are given for PI controller along with the t point weighting. The performance of the PI controller is compared with that of Poulin and Pomerleau (1996). Two simulation studies, one on control of an unstable
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