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New Method of Speed Identification Based on Model Reference Adaptive Sliding Mode Control
Author(s): 
Pages: 10-13
Year: Issue:  9
Journal: Electric Drive

Abstract: 提出了一种新型的模型参考自适应滑模速度辨识方法,用于异步电动机转速的精确辨识.该方法的结构主要包括参考模型、可调模型和滑模控制器3部分,首先利用参考模型和可调模型分别计算电机的转子磁链,然后将两者误差送入滑模控制器中计算电动机的转速.其中,参考模型采用了一种结构简单的改进电压磁链模型,有效解决了传统电压模型固有的直流偏置误差和初始值积分误差问题,实现磁链的准确观测,从而提高了速度辨识的精度.仿真结...
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