HE Lile, TIAN Dongyuan, XU Zhongxian. Two-Stage Differential Event-Triggered Distributed Model Predictive Control for Wheeled Robot Swarm Systems[J]. INFORMATION AND CONTROL. DOI: 10.13976/j.cnki.xk.2025.0322
Citation: HE Lile, TIAN Dongyuan, XU Zhongxian. Two-Stage Differential Event-Triggered Distributed Model Predictive Control for Wheeled Robot Swarm Systems[J]. INFORMATION AND CONTROL. DOI: 10.13976/j.cnki.xk.2025.0322

Two-Stage Differential Event-Triggered Distributed Model Predictive Control for Wheeled Robot Swarm Systems

  • For the wheeled robot swarm systems with external random disturbances, we design a distributed model predictive control (DMPC) method based on event triggering mechanism. Firstly, we introduce a robust constraint to handle external disturbances. Secondly, we design a two-stage differential event triggering mechanism that adaptively adjusts the sampling frequency to balance computational and sensing costs. Thirdly, we develop a dual-mode DMPC algorithm to further reduce computational and communication consumption, and ensure the feasibility of the proposed algorithm, closed-loop system stability and the Zeno-free behaviour through theoretical analysis. Finally, the simulation experiments on wheeled robot systems show that compared to traditional event-triggered DMPC, the proposed algorithm can reduce the controller's computational resource consumption by 85.7% while ensuring the desired control performance.
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