Analytical H∞design for a Smith-type inverse-response compensator

Authors:
S. Alcántara;C. Pedret;R. Vilanova;W. D. Zhang
Affiliations:
Systems Engineering and Automatic Control Group, ETSE, Universitat Autònoma de Barcelona, Bellaterra, Spain;Systems Engineering and Automatic Control Group, ETSE, Universitat Autònoma de Barcelona, Bellaterra, Spain;Systems Engineering and Automatic Control Group, ETSE, Universitat Autònoma de Barcelona, Bellaterra, Spain;Department of Automation, Shanghai Jiaotong University, Shanghai, P. R. China
Venue:
ACC'09 Proceedings of the 2009 conference on American Control Conference
Year:
2009

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Abstract

In this paper a control configuration for inverse-response processes is presented. It results in a Smith-type predictor scheme that aims to put the non-minimum phase dynamics out of the feedback loop. The design is carried out analytically by solving an H∞ weighted optimization problem assuming a second order stable process with one positive zero. The performance of the proposed control configuration is compared by simulation with two different approaches to show its applicability.