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Title: | Distributed Resilient State Estimation for Cyber-Physical Systems Against Bit Errors: A Zonotopic Set-Membership Approach |
Authors: | Chen, W Wang, Z Hu, J Dong, H Liu, G-P |
Keywords: | cyber-physical systems (CPSs);distributed resilient estimation;zonotopic set-membership filtering;binary encoding-decoding scheme;bit errors |
Issue Date: | 29-May-2023 |
Publisher: | Institute of Electrical and Electronics Engineers (IEEE) |
Citation: | Chen, W. et al. (2023) 'Distributed Resilient State Estimation for Cyber-Physical Systems Against Bit Errors: A Zonotopic Set-Membership Approach', IEEE Transactions on Network Science and Engineering, 10 (6), pp. 3922 - 3932. doi: 10.1109/TNSE.2023.3276851. |
Abstract: | This paper addresses the distributed resilient state estimation issue for a class of large-scale cyber-physical systems (CPSs) against bit errors. Owing to the reliability of the binary data, a novel binary encoding-decoding scheme is developed to enable digital communication of the CPSs. We consider the situation where the transmitted binary bits may be flipped over noisy communication channels. The primary purpose of this paper is to design a distributed resilient estimation scheme under a bit-flipped detection mechanism to achieve a reliable estimation of the CPSs. First, by means of the Minkowski sum of sets, a novel distributed zonotopic resilient estimation scheme is proposed where the optimal estimator gain is obtained in the minimum F -radius sense. Furthermore, a two-stage bit-flipped detection scheme is developed by taking advantage of 1) the prediction output zonotope and 2) the intersection between the prediction zonotope and the estimation zonotope. Furthermore, in order to improve the algorithm efficiency, a reduction operator is introduced to reduce the order of the zonotope. Finally, the IEEE 30-bus systems are applied to verify theoretical results of the developed distributed resilient estimation algorithm. |
URI: | https://bura.brunel.ac.uk/handle/2438/28583 |
DOI: | https://doi.org/10.1109/TNSE.2023.3276851 |
Other Identifiers: | ORCiD: Wei Chen https://orcid.org/0000-0002-6225-2110 ORCiD: Zidong Wang https://orcid.org/0000-0002-9576-7401 ORCiD: Jun Hu https://orcid.org/0000-0002-7852-5064 ORCiD: Hongli Dong https://orcid.org/0000-0001-8531-6757 ORCiD: Guo-Ping Liu https://orcid.org/0000-0002-0699-2296 |
Appears in Collections: | Dept of Computer Science Research Papers |
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