感应电机无速度传感器控制自适应速度观测器被引量：12

Adaptive speed observer for speed sensorless control of induction motor

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摘要理论与实践证明自适应速度观测器是实现高性能的感应电动机无速度传感器控制系统的有效方法之一。由于该系统的非线性性质,在观测器设计以及系统应用中还有许多有待解决的问题。针对此类问题,从理论联系实际的角度,分析现有的电机磁链、速度观测器理论的要点及其成果,如建模的条件、自适应速度估计算法及其物理性质、系统稳定性分析、线性化方法、以及观测器参数的辨识等。同时,给出了实验结果、指出了这些内容中尚存的相关问题。 An adaptive rotor speed observer has been proved to be a valid method for the speed sensorless control of induction motor from both theory and applications. Due to the nonlinearity of the system, there still exist some problems to be considered in the design of the observer and the system. This paper analyzes the con- cepts, approaches and achievements of the observer used for the system in the aspects of system modeling, adaptive algorithm of the rotor speed and its physical nature, stability analysis and linearization methods. Meanwhile, the paper gives experimental results and the limits and existed problems of the method.

作者范蟠果杨耕

机构地区西北工业大学自动化学院清华大学自动化系

出处《电机与控制学报》 EI CSCD 北大核心 2008年第6期621-628,共8页 Electric Machines and Control

关键词交流电机控制无速度传感器控制速度观测器自适应稳定性线性化 control of AC motor speed sensorless control speed observer, adaptive stability linearization

分类号 TM346 [电气工程—电机]

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