张俊敏,金鹏
THE APPLICATION OF ADAPTIVE BACKSTEPPING ALGORITHM IN THE CONTROL OF INDUCTOR MOTOR
投稿时间:2014-06-10  修订日期:2014-06-10
DOI:
中文关键词: 感应电机  非线性系统  自适应控制  逆推控制技术  参数不确定性
英文关键词: inductor motor  Nonlinear system  Adaptive control  Backstepping control method  Parameters uncertainty
基金项目:
作者单位E-mail
张俊敏 中南民族大学计算机科学学院 173902815@qq.com 
金鹏 中南民族大学  
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中文摘要:
      针对Krause和Thomas提出的带有两个定子绕组和两个转子绕组的二相等价电机模型,通过坐标变换得到沿着磁通向量转动的坐标方向上的电机动态模型。应用逆推技术设计了自适应控制器, 通过选择Lyapunov函数来保证整个系统的稳定性,进而逐步导出控制率和参数自适应律。该方法克服了参数的不确定性以及负载扰动对系统的影响,确保了转子磁链和转速的跟踪性能以及系统的稳定性能。系统的转子磁链与转速能渐近跟踪给定的参考信号,仿真结果验证了该控制策略的有效性。
英文摘要:
      Krause and Thomas had introduced a two phase equivalent machine representation with two rotor windings and two stator windings. We can get the motor dynamic model along the magnetic flux vector rotation direction by transforming the coordinate. In the case of some unknown system parameters, the adaptive backstepping method is used to design a nonlinear adaptive controller. Choose Lyapunov function to ensure the stability of the all system and get the controlling law and parameter adaptive law step by step. This kind of method reduces the impaction of system which includes the uncertainty of parameters and load disturbance. It also ensures system stability and the tracking performance of rotor flux and speed. The simulation results show the effectiveness of the control scheme.
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