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Non-Fragile Robust H∞ Filtering of Takagi-Sugeno Fuzzy Networked Control Systems with Sensor Failures

Aeronautical Engineering Department, Air Force Engineering University, Xi’an 710038, China
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Sensors 2020, 20(1), 27; https://doi.org/10.3390/s20010027
Received: 25 October 2019 / Revised: 2 December 2019 / Accepted: 17 December 2019 / Published: 19 December 2019
(This article belongs to the Special Issue Communications and Computing in Sensor Network)
The fault-tolerant robust non-fragile H∞ filtering problem for networked control systems with sensor failures is studied in this paper. The Takagi-Sugeno fuzzy model which can appropriate any nonlinear systems is employed. Based on the model, a filter which can maintain stability and H∞ performance level under the influence of gain perturbation of the filter and sensor failures is designed. Moreover, the gain matrix of sensor failures is converted into a dynamic interval to expand the range of allowed failures. And the sufficient condition for the existence of the desired filter is derived in terms of linear matrix inequalities (LMIs) solutions. Finally a simulation example is given to illustrate the effectiveness of the proposed method. View Full-Text
Keywords: networked control systems; H∞ filter; non-fragile filtering; Takagi-Sugeno fuzzy systems; sensor failure networked control systems; H∞ filter; non-fragile filtering; Takagi-Sugeno fuzzy systems; sensor failure
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Wang, H.; Xie, S.; Zhou, B.; Wang, W. Non-Fragile Robust H∞ Filtering of Takagi-Sugeno Fuzzy Networked Control Systems with Sensor Failures. Sensors 2020, 20, 27.

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