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Steady-State Optimal Filtering for Continuous Systems With Time-Delay

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3 Author(s)
Hongguo Zhao ; Dept. of Inf. Sci. & Technol., Taishan Univ., Taian ; Huanshui Zhang ; Peng Cui

This paper is concerned with the steady-state optimal filtering problem for continuous-time systems with l delayed measurements. The design of the filter involves in solving one spectral factorization with time-delays, which is the key problem to be solved. A novel approach for the spectral factorization is proposed based on reorganized innovation analysis. The calculation of spectral factor comes down to solving l+1 standard Riccati equations with the same dimension as the original systems.

Published in:

Signal Processing Letters, IEEE  (Volume:16 ,  Issue: 7 )