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In this paper, a predefined-time disturbance observer-based synchronization and tracking control strategy is proposed for large inertia shipborne antenna servo systems. The disturbance caused by sea wind and wave is compensated by designing a predefined-time disturbance observer and the estimation error is guaranteed to converge into a neighborhood near the origin within the preset time. Furthermore, a non-singular predefined-time sliding mode synchronization controller is constructed to avoid the singular problem and reduce the complexity. Finally, experiments demonstrate the efficiency of the proposed strategy.

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Predefined-Time Disturbance Observer-Based Synchronization and Tracking Control for Large Inertia Shipborne Antenna Servo Systems

  • 会议论文

  • 发表日期：

    2025年

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  • Shuangyi Hu,
  • Junjie Lai,
  • ZhiYuan Che,
  • Qiang Chen,
  • Guanghui Yang

摘要

In this paper, a predefined-time disturbance observer-based synchronization and tracking control strategy is proposed for large inertia shipborne antenna servo systems. The disturbance caused by sea wind and wave is compensated by designing a predefined-time disturbance observer and the estimation error is guaranteed to converge into a neighborhood near the origin within the preset time. Furthermore, a non-singular predefined-time sliding mode synchronization controller is constructed to avoid the singular problem and reduce the complexity. Finally, experiments demonstrate the efficiency of the proposed strategy.