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Parameter perturbation and generalized predictive control of ultrasonic motor
Author(s): ZHANG Jiantao, ZHANG Tiemin, LIANG Li, WEN Sheng
Pages: 17-
20,117
Year: 2011
Issue:
14
Journal: Computer Engineering and Applications
Keyword: 超声电机; Hammerstein模型; 参数摄动; 广义预测控制;
Abstract: 针对超声电机速度与驱动频率具有很强的非线性,理论建模困难,难以实现高精确控制的问题,采用辨识的方法建立了旋转行波超声电机的Hammerstein模型,并测量了该模型的参数摄动;针对电机参数在大范围内摄动,提出采用两步法广义预测控制方法,整定了广义预测控制算法的参数,并对超声电机两步法广义预测控制进行了稳定性分析和速度控制仿真.理论分析和仿真结果都表明,超声电机Hammerstein模型参数在大范围...
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