Sensor fault estimation and compensation for time-delay switched systems
- 1 April 2012
- journal article
- research article
- Published by Informa UK Limited in International Journal of Systems Science
- Vol. 43 (4), 629-640
- https://doi.org/10.1080/00207721.2010.517867
Abstract
In this article, the problems of sensor fault estimation and compensation approaches for time-delay switched systems are investigated based on a switched descriptor observer approach. First, a novel time-delay switched descriptor state observer is proposed to estimate both the state and sensor fault. The proposed observer technique is also extended to systems with nonlinearities. Then, based on the estimation of the sensor fault, an efficient fault-tolerant operation can be realised via sensor fault compensation. Finally, an example is given to show the efficiency of the developed techniques.Keywords
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