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The structure of the gamma-domain for H-infinity Riccati solutions
Conference proceeding

The structure of the gamma-domain for H-infinity Riccati solutions

X. P. Li and B. C. Chang
01 Jan 1992

Abstract

CYBERNETICS
The authors investigated some properties of the solutions to H-infinity Riccati equations which play a key role in the state approach to H-infinity optimization problem. The structure of the gamma-domain for the Riccati solutions has been described. There are two kinds of lower bounds for the solutions to exist and to be positive semidefinite respectively. A quadratically convergent algorithm for computing the lower bound is discussed.

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