NDLI: Robust anti-windup against LTI uncertainty using frequency dependent IQCs

Content Provider	IEEE Xplore Digital Library
Author	Morales, R.M. Heath, W.P. Li, G.
Copyright Year	2009
Description	Author affiliation: Control Systems Research Group, University of Manchester, PO Box 88, Sackville St., M60 1QD, UK (Heath, W.P.) \|\| Automatic Control Laboratory, Department of Mechanical Engineering, The University of Bristol, Queens Building, University Walk, BS8 1TR, UK (Li, G.) \|\| Control and Instrumentation Research Group, Department of Engineering, University of Leicester, University Road, LE1 7RH, UK (Morales, R.M.)
Abstract	This paper will present a study on the robustness of anti-windup systems where the plant uncertainty can be expressed by LTI norm-bounded operators. The treatment is constructed under the IQC framework of Megretski and Rantzer. Robustness of anti-windup systems against LTI uncertainty using frequency dependent IQCs are less conservative than those where plant uncertainty is addressed by static IQCs. They can however increase significantly the computational burden in the algorithms. The paper shows that sufficient conditions for robustness of anti-windup systems against LTI uncertainty can be, in some circumstances, greatly simplified. They can also be expressed in the frequency domain and interpreted graphically. The test is finally exploited for anti-windup tuning.
Starting Page	3329
Ending Page	3334
File Size	259987
Page Count	6
File Format	PDF
ISBN	9784907764340
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-08-18
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	SICE
Subject Keyword	Robustness Uncertainty Frequency dependence Robust control Automatic control Control systems Heat engines Temperature control Sufficient conditions Actuators frequency dependent IQCs robustness anti-windup LTI uncertainty
Content Type	Text
Resource Type	Article

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