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Journal Articles IEEE Systems Journal Year : 2020

Event-Triggered Filter Design of Positive Systems With State Saturation

Abstract

This article deals with event-triggered filter design of positive systems subject to state saturation. An event-triggering condition in the form of 1-norm is established based on the error and the measurable output. Under the presented event-triggering condition, the filter systems are transformed into interval uncertain systems. The positivity of the filter and error dynamics is achieved by considering the lower bound of the interval systems. Using a linear copositive Lyapunov function, the stability is guaranteed by considering the upper bound of the interval systems. By virtue of linear programming, an l 1 -gain filter is designed for the systems subject to exogenous disturbance. Then, multiplicative and additive gain fluctuations are introduced. Two classes of nonfragile filters are proposed, and a cone is constructed to guarantee that the states of the systems with state saturation can keep inside it. Finally, two examples are given to illustrate the effectiveness of the proposed approach.

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Dates and versions

hal-02934387 , version 1 (09-09-2020)

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Junfeng Zhang, Tarek Raissi, Yu Shao, Xiushan Cai. Event-Triggered Filter Design of Positive Systems With State Saturation. IEEE Systems Journal, 2020, pp.1-12. ⟨10.1109/JSYST.2020.3019489⟩. ⟨hal-02934387⟩
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