Encryption-decryption-based state estimation for nonlinear complex networks subject to coupled perturbation

This paper discusses the encryption-decryption-based state estimation (EDBSE) issue for coupled perturbation complex networks (CPCNs) in the framework of the Kalman-type filtering scheme. A uniform distributed random variable is employed to characterize the coupled perturbation among different netwo...

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Vydáno v:Systems science & control engineering Ročník 12; číslo 1
Hlavní autoři: Gao, Peixia, Jia, Chaoqing, Zhou, Aozhan
Médium: Journal Article
Jazyk:angličtina
Vydáno: Macclesfield Taylor & Francis 31.12.2024
Taylor & Francis Ltd
Taylor & Francis Group
Témata:
Algorithms
boundedness analysis
Communication
complex networks
coupled perturbation
Covariance
Difference equations
Encryption
encryption-decryption scheme
Parameter estimation
Perturbation
Random variables
State estimation
Upper bounds
ISSN:2164-2583, 2164-2583
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Shrnutí:This paper discusses the encryption-decryption-based state estimation (EDBSE) issue for coupled perturbation complex networks (CPCNs) in the framework of the Kalman-type filtering scheme. A uniform distributed random variable is employed to characterize the coupled perturbation among different network units. A uniform-quantization-dependent encryption-decryption (UQDED) scheme is considered here to orchestrate the transmitted data. A novel EDBSE approach is developed such that the upper bounds of prediction error (PE) covariance (PEC) and estimation error (EE) covariance (EEC) can be derived by resolving Riccati-like difference equations and the estimation parameter (EP) is determined by minimizing the trace of the upper bound of EEC. Furthermore, a uniformly bounded condition is elaborated to evaluate the algorithm performance of EDBSE. Finally, an illustrative example is conducted to verify the validity of the introduced EDBSE method.
Bibliografie:ObjectType-Article-1
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ISSN:2164-2583
2164-2583
DOI:10.1080/21642583.2024.2357796