Transactions of the Institute of Systems, Control and Information Engineers
Online ISSN : 2185-811X
Print ISSN : 1342-5668
ISSN-L : 1342-5668
Synthesis of Strictly Positive Real H2 Controllers with Loop Thransfer Recovery
Takashi SHIMOMURAKatsumasa KAWASAKITakao FUJII
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1999 Volume 12 Issue 1 Pages 44-55

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Abstract

This paper considers a synthesis problem for such observer based controllers that are strictly positive real and H2 optimal at the same time. We consider this problem in particular from the viewpoint of the inverse problem, and provide a parametrization of the controller, which shows an interesting coupling structure between the regulator and the observer gains. Among them, we concentrate on an weakly coupled class in this paper to have the LTR structure, which was not provided by the original result. For the class, we give conditions on design parameters for ensuring both properties, which can be independently calculated although the problem is the mixed one.

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