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Fault Isolation Filter for Networked Control System with Event-Triggered Sampling Scheme
College of Automation Science and Engineering, South China University of Technology, Guangzhou 510641, China
Nancy University, CRAN-CNRS UMR 7039, BP239, 54506 Vandoeuvre Cedex, France
* Author to whom correspondence should be addressed.
Received: 18 November 2010; in revised form: 20 December 2010 / Accepted: 24 December 2010 / Published: 7 January 2011
Abstract: In this paper, the sensor data is transmitted only when the absolute value of difference between the current sensor value and the previously transmitted one is greater than the given threshold value. Based on this send-on-delta scheme which is one of the event-triggered sampling strategies, a modified fault isolation filter for a discrete-time networked control system with multiple faults is then implemented by a particular form of the Kalman filter. The proposed fault isolation filter improves the resource utilization with graceful fault estimation performance degradation. An illustrative example is given to show the efficiency of the proposed method.
Keywords: networked control system; fault isolation filter; event-triggered sampling; send-on-delta
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Cite This Article
MDPI and ACS Style
Li, S.; Sauter, D.; Xu, B. Fault Isolation Filter for Networked Control System with Event-Triggered Sampling Scheme. Sensors 2011, 11, 557-572.
Li S, Sauter D, Xu B. Fault Isolation Filter for Networked Control System with Event-Triggered Sampling Scheme. Sensors. 2011; 11(1):557-572.
Li, Shanbin; Sauter, Dominique; Xu, Bugong. 2011. "Fault Isolation Filter for Networked Control System with Event-Triggered Sampling Scheme." Sensors 11, no. 1: 557-572.