Event-Triggered Tracking Control for Nonlinear Systems with Mismatched Disturbances: A Non-Recursive Design Approach

Gaofeng Dong and Xin Zhao ()
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Gaofeng Dong: College of Automation Engineering, Shanghai University of Electric Power, Shanghai 200090, China
Xin Zhao: College of Automation Engineering, Shanghai University of Electric Power, Shanghai 200090, China

Mathematics, 2024, vol. 12, issue 11, 1-14

Abstract: Considering the situation of limited resources in practical applications, it is significant to design control algorithms with high resource utilization rates for a class of nonlinear systems subject to mismatched disturbances. In contrast to common recursive methods, this paper proposes a novel event-triggered tracking control approach by co-designing the triggering event and the controller within a non-recursive design framework that combines disturbance estimation techniques and feedforward compensation strategies. Through rigorous Lyapunov stability analysis, the global boundedness of each state in the closed-loop system is demonstrated, and the absence of the Zeno phenomenon is further verified. A representative numerical simulation and a practical implementation for speed regulation of permanent magnet synchronous motor (PMSM) system confirm the effectiveness and simplicity of the proposed control strategy.

Keywords: event-triggered control; mismatched disturbances; nonlinear system; non-recursive method; tracking control (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2024
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