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<p>The sliding mode control for discrete-time systems is studied in this paper. By incorporating past information of system states and control inputs, an improved decoupled disturbance compensator (DDC) is constructed, based on which, both linear sliding surface and integral sliding surface are used to design the sliding mode controllers. Compared to traditional method, the proposed decoupled disturbance compensator can handle a more general class of disturbances, and the sliding mode controller based on the improved DDC can significantly reduce the negative effects of the disturbances and enhance the robustness of the system. The effectiveness of the proposed method is illustrated by some numerical examples.</p>

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Discrete-Time Sliding Mode Control Based on Improved Decoupled Disturbance Compensator

  • 期刊论文

  • 发表日期：

    2025年1月25日

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  • Yihao Lin,
  • Xujun Li,
  • Jianjun Bai,
  • Yun Chen

摘要

The sliding mode control for discrete-time systems is studied in this paper. By incorporating past information of system states and control inputs, an improved decoupled disturbance compensator (DDC) is constructed, based on which, both linear sliding surface and integral sliding surface are used to design the sliding mode controllers. Compared to traditional method, the proposed decoupled disturbance compensator can handle a more general class of disturbances, and the sliding mode controller based on the improved DDC can significantly reduce the negative effects of the disturbances and enhance the robustness of the system. The effectiveness of the proposed method is illustrated by some numerical examples.