Robust Non-fragile PID Controller Design for the Stroke Regulation of Metering Pumps

›› 2011, Vol. 19 ›› Issue (1): 83-88.

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Robust Non-fragile PID Controller Design for the Stroke Regulation of Metering Pumps

YU Shiming, WU Jiangjiang, ZHANG Duan

College of Information Engineering, Zhejiang University of Technology, Hangzhou 310023, China

Received:2010-02-08 Revised:2010-08-31 Online:2011-02-28 Published:2011-02-28
Supported by:
Supported by the National Natural Science Foundation of China(60604015);the Key Research Program of Education Department of Zhejiang Province(Z200803521)

Robust Non-fragile PID Controller Design for the Stroke Regulation of Metering Pumps

余世明, 吴江江, 张端

College of Information Engineering, Zhejiang University of Technology, Hangzhou 310023, China

通讯作者: ZHANG Duan, E-mail: ysm@zjut.edu.cn
基金资助:
Supported by the National Natural Science Foundation of China(60604015);the Key Research Program of Education Department of Zhejiang Province(Z200803521)

Abstract

Abstract: This job focuses on the stroke regulation of a class of high-precision metering pumps.A parametertuning method of robust non-fragile PID(proportional-integral-derivative)controllers is proposed with the assumption that a PID controller has additive gain perturbations.An H-infinite robust PID controller can be obtained by solving a linear matrix inequality.This approach can guarantee that the closed-loop control systems is asymptotically stable and the H-infinite norm of the transfer function from the disturbance to the output of a controlled system is less than a given constant to attenuate disturbances.The simulation case shows that the control performance of the proposed strategy is significantly better than the traditional PID approach in the situation with perturbations of controller parameters.

Key words: metering pump, stroke regulation, H-infinite robust control, PID control, non-fragile

摘要： This job focuses on the stroke regulation of a class of high-precision metering pumps.A parametertuning method of robust non-fragile PID(proportional-integral-derivative)controllers is proposed with the assumption that a PID controller has additive gain perturbations.An H-infinite robust PID controller can be obtained by solving a linear matrix inequality.This approach can guarantee that the closed-loop control systems is asymptotically stable and the H-infinite norm of the transfer function from the disturbance to the output of a controlled system is less than a given constant to attenuate disturbances.The simulation case shows that the control performance of the proposed strategy is significantly better than the traditional PID approach in the situation with perturbations of controller parameters.

关键词: metering pump, stroke regulation, H-infinite robust control, PID control, non-fragile

YU Shiming, WU Jiangjiang, ZHANG Duan. Robust Non-fragile PID Controller Design for the Stroke Regulation of Metering Pumps[J]. , 2011, 19(1): 83-88.

余世明, 吴江江, 张端. Robust Non-fragile PID Controller Design for the Stroke Regulation of Metering Pumps[J]. , 2011, 19(1): 83-88.

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Robust Non-fragile PID Controller Design for the Stroke Regulation of Metering Pumps

Robust Non-fragile PID Controller Design for the Stroke Regulation of Metering Pumps

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