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Vibration Isolation of Magnetic Suspended Platform with Double Closed-loop PID Control

机译：具有双闭环PID控制的磁悬浮平台的隔振

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摘要

In magnetic vibration isolation field, magnetic force is used for the isolation, while the whole isolation system is always supported passively, which have non-control shortcomings. Aimed at this problem, a novel active control strategy with a double closed-loop PID algorithm was designed in this paper. The double closed-loop strategy includes an internal and external loop control, which was designed to fulfill the magnetic levitation and isolation, respectively. Firstly, the vibration isolation strategy proposed in this paper was simulated in both time and frequency domain. The simulation results showed that this method possesses good performance of vibration isolation. Then, an active levitation and vibration isolation control experiment was designed. The experimental results showed that the control algorithm has a good vibration control effect under periodic vibration and random vibration conditions.
机译：在磁振动隔离领域中，使用磁力进行隔离，而整个隔离系统始终是被动支撑的，存在控制缺陷。针对这一问题，设计了一种具有双闭环PID算法的新型主动控制策略。双闭环策略包括内部和外部环路控制，分别设计用于实现磁悬浮和隔离。首先，从时域和频域两方面对本文提出的隔振策略进行了仿真。仿真结果表明，该方法具有良好的隔振性能。然后，设计了主动悬浮和隔振控制实验。实验结果表明，该控制算法在周期性振动和随机振动条件下均具有良好的振动控制效果。

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  • 作者

    Tang Mao; Zhou Jin; Jin Chaowu; Xu Yuanping;

  • 作者单位

    Nanjing Univ Aeronaut & Astronaut, Coll Mech & Elect Engn, Nanjing 210016, Jiangsu, Peoples R China;

    Nanjing Univ Aeronaut & Astronaut, Coll Mech & Elect Engn, Nanjing 210016, Jiangsu, Peoples R China;

    Nanjing Univ Aeronaut & Astronaut, Coll Mech & Elect Engn, Nanjing 210016, Jiangsu, Peoples R China;

    Nanjing Univ Aeronaut & Astronaut, Coll Mech & Elect Engn, Nanjing 210016, Jiangsu, Peoples R China|Ecole Polytech Fed Lausanne, Lab Robot Syst, CH-1015 Lausanne, Switzerland;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Double closed-loop PID; magnetic levitation; vibration isolation;

    机译：双闭环PID;磁悬浮;隔振;

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