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Conference Papers Year : 2018

Zonotopic state estimation and fault detection for systems with time-invariant uncertainties

Abstract

This paper proposes a robust guaranteed state estimation method with application to fault detection by combining H observer design with zonotopic analysis for discrete-time systems with both time-variant and time-invariant uncertainties. In order to improve the estimation accuracy, based on the H ? technique, the observer design is achieved by solving a linear matrix inequality. The main contribution of this method lies in that the time invariance of some uncertainties is considered to reduce the conservatism of interval estimation. Finally, a numerical example is provided to demonstrate the effectiveness of the proposed method.
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Dates and versions

hal-01931311 , version 1 (22-11-2018)

Identifiers

Cite

Zhenhua Wang, Wentao Tang, Qinghua Zhang, Vicenc Puig, Yi Shen. Zonotopic state estimation and fault detection for systems with time-invariant uncertainties. SAFEPROCESS 2018, 10th IFAC Symposium on Fault Detection, Diagnosis and Safety of Technical Processes, Aug 2018, Varsovie, Poland. pp.494-499, ⟨10.1016/j.ifacol.2018.09.622⟩. ⟨hal-01931311⟩
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