一种基于滑模观测器的低速大转矩永磁同步电动机无传感器控制方法研究被引量：1

Sensorless Control System for PMSM Based on Sliding Mode Technique

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摘要针对低速大转矩电机驱动系统,在对无传感器技术的研究之后确定了一种基于观测器的转子转速/位置估算方法。在分析低速大转矩永磁同步电机数学模型的基础上,根据其特点,设计了一个滑模观测器,实现转子速度与位置的估算。该方法对系统运行时的噪声和参数的变化有很好的鲁棒性。理论分析和仿真实验,说明了方法的可行性和正确性。 Based on low-speed motor drive system, this paper adopts a novel approach of rotor speed/ position estimation based on observer. According to the mathematic model and the characteristic of the low-speed and high-torque permanent magnet synchronous motor （PMSM）, this paper presents a sliding mode observer （SMO） for estimating the position and speed of a PMSM to achieve sensorless drive system. Compared to other methods, the observer is more robust to operating conditions and parameter uncertainties. The simulation results of the system are presented to demonstrate the effectiveness of the approach.

作者冯桂宏李研张炳义

机构地区沈阳工业大学电气工程学院

出处《微电机》北大核心 2008年第5期17-19,26,共4页 Micromotors

关键词滑模观测器低速大转矩永磁同步电动机无位置传感器矢量控制 Sliding mode observer Low-speed and high-torque PMSM Sensorless Vector control

分类号 TM341 [电气工程—电机] TM351 [电气工程—电机]

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参考文献8

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