Novel robust gain scheduled PID controller design using DR regions
ASIAN JOURNAL OF CONTROL(2022)
摘要
This paper develops a new design procedure for robust output feedback gain scheduled and switched PID controller design for a linear parameter varying discrete-time system with polytopic uncertainties. The proposed approach is based on D-R regions for robust pole placement and allows to consider also other performance indices. The design procedure aims to design a robust PID gain scheduled and switched controller for polytopic gain scheduled and switched plant model such that the closed-loop eigenvalues for fixed gain scheduled parameters are in the prescribed D-R region and the corresponding quadratic performance has the minimal value. The obtained design procedure can be also used to design a robust discrete-time switched controller with arbitrarily switching law.
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关键词
discrete-time systems,D-R regions,extended Lyapunov function,gain scheduled controller,robust pole placement
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