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The cabin pressure regulation system of manned aircraft has the characteristics of hysteresis, inertia, and non-linearity. In this paper, the numerical mechanism model of digital manned spacecraft cabin pressure regulation system is established firstly, the features of the control system are analyzed. Then the ADRC controller is provided intuitively with reference to the features. Numerical simulation demonstrate that compared with classical proportional PID control method, the provided ADRC controller has the superiorities of much smaller overshoot, stronger interference rejection and greatly reduced steady-state error, it is proved that the method is effective for large-scale control of digital manned spacecraft cabin pressure regulation system.

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Research on Active Disturbance Rejection Control of Digital Cabin Pressure Regulating System

  • 会议论文

  • 发表日期：

    2025年

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  • Xiaoma Liu,
  • Lei Yang,
  • Jingsong Yang,
  • Dianfei Pan,
  • Zhen Zhang,
  • Zhuo Peng

摘要

The cabin pressure regulation system of manned aircraft has the characteristics of hysteresis, inertia, and non-linearity. In this paper, the numerical mechanism model of digital manned spacecraft cabin pressure regulation system is established firstly, the features of the control system are analyzed. Then the ADRC controller is provided intuitively with reference to the features. Numerical simulation demonstrate that compared with classical proportional PID control method, the provided ADRC controller has the superiorities of much smaller overshoot, stronger interference rejection and greatly reduced steady-state error, it is proved that the method is effective for large-scale control of digital manned spacecraft cabin pressure regulation system.