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		Guangren DUAN,Bin ZHOU.[en_title][J].Control Theory and Technology,2005,3(3):275~279.[Copy]

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GuangrenDUAN,BinZHOU
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Received:June 28, 2004Revised:June 03, 2005

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An explicit solution to right factorization with application in eigenstructure assignment

Guangren DUAN, Bin ZHOU

(Center for Control Theory and Guidance Technology,Harbin Institute of Technology,Harbin Heilongjiang 150001,China)

Abstract:

Based on the well-known Leverrier algorithm, a simple explicit solution to right factorization of a linear system is established.This solution is expressed by the controllability matrix of the given system and a symmetric operator matrix.Applications of this solution to a type of generalized Sylvester matrix equations and the problem of parametric eigenstructure assignment by state feedback are investigated,and general complete parametric solutions to these two problems are deduced. These new solutions are simple,and possess desirable structural properties which render the solutions readily implementable.An example demonstrates the effect of the proposed results.

Key words: Right factorization Sylvester matrix equations eigenstructure assignment parametric solutions