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Block algorithms for state estimation and functional observers

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2 Author(s)
Datta, B.N. ; Dept. of Math. Sci., Northern Illinois Univ., DeKalb, IL, USA ; Sarkissian, D.

This paper presents a new block algorithm for the Sylvester-observer equation, which seems to be computationally more efficient than the Van Dooren's algorithm and is suitable for high performance computing using LAPACK. It also presents a new algorithm for the design of functional observer in which the vector Kx(t), required in the implementation of the feedback law u(t)=Kx(t), can be directly estimated without estimating the vector x(t). Numerical examples are provided to illustrate the algorithms and results on comparison with the well-known Van Dooren's algorithm for reduced-order state estimation are illustrated using graphs

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Computer-Aided Control System Design, 2000. CACSD 2000. IEEE International Symposium on

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