Event-Based Fixed-Time Control for Interconnected Systems With Discontinuous Interactions

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Abstract
The fixed-time control problem for a class of interconnected systems is studied in this article via an asynchronous event-triggered control strategy, in which all subsystems are interconnected by discontinuous interactions. Especially, due to the discontinuity of interactions, the existence of solutions for the concerned systems is solved via the framework of differential inclusion. Unlike the common ones, the asynchronous event-triggered mechanism in this article generates samplings, triggering events, and control updates asynchronously among multiple subsystems. More significantly, due to the discontinuity of the interactions, a fixed-time discontinuous control law and a specific event-triggered scheme are designed to stabilize this class of interconnected systems in a fixed time. In addition, the interexecution time is lower bounded by a positive constant, and it is assured that the Zeno behavior will not happen. Finally, the effectiveness of the obtained results is illustrated by an example.
Funding Information
  • National Natural Science Foundation of China (61973070)
  • Liaoning Revitalization Talents Program (XLYC1802010)
  • Synthetical Automation for Process Industries (SAPI) Fundamental Research Funds (2018ZCX22)

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