Fault Detection of Networked Control Systems Based on Sliding Mode Observer

Jie Zhang, Ming Lyu, Hamid Reza Karimi and Yuming Bo

Mathematical Problems in Engineering, 2013, vol. 2013, 1-9

Abstract:

This paper is concerned with the network-based fault detection problem for a class of nonlinear discrete-time networked control systems with multiple communication delays and bounded disturbances. First, a sliding mode based nonlinear discrete observer is proposed. Then the sufficient conditions of sliding motion asymptotical stability are derived by means of the linear matrix inequality (LMI) approach on a designed surface. Then a discrete-time sliding-mode fault observer is designed that is capable of guaranteeing the discrete-time sliding-mode reaching condition of the specified sliding surface. Finally, an illustrative example is provided to show the usefulness and effectiveness of the proposed design method.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:506217

DOI: 10.1155/2013/506217

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