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Robust Non-fragile PID Controller Design for the Stroke Regulation of Metering Pumps 被引量:3
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作者 余世明 吴江江 张端 《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 2011年第1期83-88,共6页
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 t... 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. 展开更多
关键词 metering pump stroke regulation H-infinite robust control PID control NON-FRAGILE
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