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Use of frozen-time H controllers in time-varying applications

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1 Author(s)
Iglesias, P.A. ; Dept. of Electr. & Comput. Eng., Johns Hopkins Univ., Baltimore, MD

This paper considers the use of frozen-time H optimal controllers for time-varying applications. It is shown that, under suitable requirements on the plant, this method will result in an internally stable time-varying plant. This is done by first showing that the algebraic Riccati equations associated with the H control problem are analytic with respect to the plant data. Classical results of Desoer (1970) on the stability of frozen-time systems are then invoked

Published in:

Control Theory and Applications, IEE Proceedings -  (Volume:146 ,  Issue: 1 )