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Observer-Based Dynamic Output Event-Triggered Control of Switched Systems
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摘要
Following the development of digital technology, controllers in many control applications are implemented on digital platforms. Although the advantages of event-triggered controllers are proposed and practical applications show their potential,relatively few theoretical results appear to study event-triggered control for switched linear systems. It is the objective of this paper to propose an event-triggered sampling mechanism and develop an observer-based dynamic output feedback control for switched systems. Compared with the existing results, a positive threshold added to the event-triggered condition guarantees that there always exist a positive lower bound of the minimum inter-event interval to exclude Zeno behavior. Furthermore, we present a controller design method to achieve uniform ultimate boundedness provided that average dwell time conditions of switched system are satisfied. A simulation example verifies the effectiveness of the proposed method.
Following the development of digital technology, controllers in many control applications are implemented on digital platforms. Although the advantages of event-triggered controllers are proposed and practical applications show their potential,relatively few theoretical results appear to study event-triggered control for switched linear systems. It is the objective of this paper to propose an event-triggered sampling mechanism and develop an observer-based dynamic output feedback control for switched systems. Compared with the existing results, a positive threshold added to the event-triggered condition guarantees that there always exist a positive lower bound of the minimum inter-event interval to exclude Zeno behavior. Furthermore, we present a controller design method to achieve uniform ultimate boundedness provided that average dwell time conditions of switched system are satisfied. A simulation example verifies the effectiveness of the proposed method.
引文
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