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Load disturbance torque estimation for motor drive systems with application to electric power steering system.

机译:电动机驱动系统的负载扰动转矩估算及其在电动助力转向系统中的应用。

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摘要

Motors are widely used in industries due to its ability to provide high mechanical power in speed and torque applications. Its flexibility to control and quick response are other reasons for its widespread use. Disturbance torque acting on the motor shaft is a major factor which affects the motor performance. Considering the load disturbance torque while designing the control for the motor makes the system more robust to load changes. Most disturbance observers are designed for steady state load conditions. The observer designed here considers a general case making no assumptions about the load torque dynamics. The observer design methods to be used under different disturbance conditions are also discussed and the performances compared. The designed observer is tested in a Hardware-in-Loop (HIL) setup for different load conditions. A motor load torque estimation based Fault Tolerant Control (FTC) is then designed for an Electric Power Steering (EPS) system.
机译:电动机由于能够在速度和扭矩应用中提供高机械功率而被广泛用于工业中。它的控制灵活性和快速响应性是其广泛使用的其他原因。作用在电机轴上的扰动扭矩是影响电机性能的主要因素。在设计电动机控制时要考虑负载扰动转矩,这会使系统对负载变化更鲁棒。大多数干扰观测器都是针对稳态负载条件而设计的。在此设计的观察者考虑了一种一般情况,不对负载转矩动态进行任何假设。还讨论了在不同干扰条件下使用的观测器设计方法,并比较了性能。设计的观察器在硬件在环(HIL)设置中针对不同的负载条件进行了测试。然后,针对电动助力转向(EPS)系统设计了基于电动机负载转矩估计的容错控制(FTC)。

著录项

  • 作者

    Cholakkal, Smitha.;

  • 作者单位

    University of Windsor (Canada).;

  • 授予单位 University of Windsor (Canada).;
  • 学科 Engineering Electronics and Electrical.
  • 学位 M.Appl.Sc.
  • 年度 2009
  • 页码 88 p.
  • 总页数 88
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

  • 入库时间 2022-08-17 11:37:48

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