Journal
AUTOMATICA
Volume 115, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.automatica.2020.108867
Keywords
Set-membership estimation; Linear time-varying; Descriptor systems; Zonotopes
Funding
- National Natural Science Foundation of China [61973098, 61773145]
- Key Laboratory Opening Funds of Harbin Institute of Technology, China [HIT.KLOF.2018.073]
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This paper considers the problem of set-membership estimation for discrete-time linear time-varying descriptor systems subject to unknown but bounded disturbance and noise. We propose a set-membership estimation method based on a descriptor system observer and a zonotopic estimator of the observer error bounds. The observer parameters are optimized in order to minimize the sizes of the zonotopes enclosing all admissible state trajectories. Finally, two simulation results are provided to demonstrate the effectiveness of the proposed method. (C) 2020 Elsevier Ltd. All rights reserved.
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