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The robust speed control of a DC motor based on the equivalent load observer
Author(s): 
Pages: 297-300
Year: Issue:  4
Journal: ELECTRIC MACHINES AND CONTROL

Keyword:  直流电机速度控制等效负载扰动观测器Lyapunov函数;
Abstract: 针对直流电机速度控制系统负载的未知时变特性和被控对象参数的不确定性,设计了一种等效负载扰动观测器;并通过构造速度误差的Lyapunov函数,设计了一种新的基于等效负载扰动观测器的变结构鲁棒控制器.仿真研究结果表明,所设计的速度控制系统对负载扰动的变化和参数的时变性具有较好的控制效果和鲁棒性,对不同形式的速度给定信号具有较好的跟踪性能.
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