Networked-based generalised fault detection filtering for sensor faults

Tao Li and Wei Xing Zheng

International Journal of Systems Science, 2015, vol. 46, issue 5, 831-840

Abstract: This paper is concerned with designing fault detection filters for networked control systems subject to limited communication capacity and a class of sensor stuck faults. By taking into account the communication limitations (e.g. measurement quantisation, signal transmission delays and data packet dropouts) and all possible sensor stuck faults, a unified mathematical model is first presented. Based on this framework, a full-order fault detection filter is designed such that the residual system is asymptotically stable with the prescribed attenuation level in the generalised H∞ sense. In order to further improve the detection performance, an optimisation algorithm is proposed to minimise the threshold. Finally, a spring-mass-damper system is utilised to show the effectiveness of the proposed method.

Date: 2015
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DOI: 10.1080/00207721.2013.798443

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