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Output derivative free design of unknown input plus state functional observer

Y. Xiong, M. Saif
2000 Proceedings of the 2000 American Control Conference. ACC (IEEE Cat. No.00CH36334)  

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We consider problem of state function as well as unknown input estimation using only measured outputs of a linear time-invariant system. Two separate reducedorder input estimators using the same design methodology are proposed . The first is extension of full-order state/input estimator previously reported in the literature. The second is based on adaptive observer technique. The main achievement of the paper is that our proposed observer estimates a function of the state as opposed to the
more » ... l state, and as a. result can be designed under less restrictive conditions than that of the state observers. Also, the proposed observer can be designed for certain non-minimum phase systems.
doi:10.1109/acc.2000.878929 fatcat:utyuhbvujjadhhebepf75ptmvm
Citation

Y. Xiong, M. Saif. "Output derivative free design of unknown input plus state functional observer." Proceedings of the 2000 American Control Conference. ACC (IEEE Cat. No.00CH36334) (2000)