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Fault diagnosis of time-delay complex dynamical networks using output signals |
Liu Hao (刘昊), Song Yu-Rong (宋玉蓉), Fan Chun-Xia (樊春霞), Jiang Guo-Ping (蒋国平) |
College of Automation, Nanjing University of Posts and Telecommunications, Nanjing 210003, China |
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Abstract This paper proposes a novel approach for fault diagnosis of a time-delay complex dynamical network. Unlike the other methods, assuming that the dynamics of the network can be described by a linear stochastic model, or using the state variables of nodes in the network to design an adaptive observer, it only uses the output variable of the nodes to design an observer and an adaptive law of topology matrix in the observer of a complex network, leading to simple design of the observer and easy realisation of topology monitoring for the complex networks in real engineering. The proposed scheme can monitor any changes of the topology structure of a time-delay complex network. The effectiveness of this method is successfully demonstrated by virtue of a complex networks with Lorenz model.
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Accepted manuscript online:
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PACS:
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89.75.Hc
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(Networks and genealogical trees)
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02.10.Yn
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(Matrix theory)
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02.40.Re
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(Algebraic topology)
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89.20.Kk
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(Engineering)
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Fund: Project supported in part by the Program for New Century Excellent Talents in University of China (Grant No. NCET-06-0510), and in part by the National Natural Science Foundation of China (Grant No. 60874091). |
Cite this article:
Liu Hao (刘昊), Song Yu-Rong (宋玉蓉), Fan Chun-Xia (樊春霞), Jiang Guo-Ping (蒋国平) Fault diagnosis of time-delay complex dynamical networks using output signals 2010 Chin. Phys. B 19 070508
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