Technical Communique: Quantitative performance design for integrating processes with time delay

Authors:
Weidong Zhang;Xiaoming Xu;Youxians Sun
Affiliations:
Department of Automation, Shanghai Jiaotong University, Shanghai 200030, People's Republic of China;Department of Automation, Shanghai Jiaotong University, Shanghai 200030, People's Republic of China;National Laboratory of Industrial Control Technology, Institute of Industrial Process Control of Zhejiang University, Hangzhou 310027, People's Republic of China
Venue:
Automatica (Journal of IFAC)
Year:
1999

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Abstract

This paper presents a new PID controller design method for integrating processes with time delay and time constant. First, the conditions that guarantee the stability of closed-loop system are investigated. Then an optimization method using H"~ performance criterion is developed for deriving the controller. The stability and performance of closed-loop system are analyzed. The relationship between the closed-loop frequency response and the corresponding time-domain response is also examined. Examples are given to illustrate the proposed method.