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Parameter Robustness in the Induction Motor Variable-Frequency Speed Regulation System Implemented by Auto-Disturbances-Rejection Controller
Author(s): 
Pages: 61-65
Year: Issue:  9
Journal: TRANSACTIONS OF CHINA ELECTROTECHNICAL SOCIETY

Keyword:  自抗扰控制参数鲁棒性矢量控制;
Abstract: 针对一般矢量控制系统存在的对电机参数时变的鲁棒性差,转矩子系统与磁场子系统耦合,没有实现全局解耦这个问题,将不用于常规PID控制的新型控制策略--自抗扰控制引入交流变频调速系统,提出了一种变频调速系统新型控制结构,并利用其扩张状态观测器的扩张状态及非线性组合器消除一般矢量控制系统参数鲁棒性差的缺欠.理论分析与仿真实验表明,该控制策略可以有效地解决矢量控制系统参数鲁棒性差造成转矩与磁场耦合影响系统动、静态性能的问题.
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