Sensorless estimation and simulation of PMSM based on high-frequency signal injection
Sensorless estimation and simulation of PMSM based on high-frequency signal injection
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DOI：
10.1109/wcica.2012.6359042
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发表时间：
2012-07
期刊：
影响因子：
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通讯作者：
Maogang Wu;Xiaogang Xuan;Xing Chen
中科院分区：
文献类型：
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作者：
Maogang Wu;Xiaogang Xuan;Xing Chen
给出了高频信号注入法无位置传感器估计永磁同步电机转速和位置的原理。详细介绍了高频电流信号的特点和滤波方法、基于维特变换的转子位置信号提取和外差处理方法。建立了仿真模型，给出了仿真结果。仿真结果验证了该方法的有效性，并解决了高频采样频率等问题。给出了基于高频信号注入的永磁同步电机转子转速和位置的无传感器估计原理。详细介绍了高频电流信号的特点和滤波方法、基于维特变换的转子位置信号提取和外差处理方法。建立了仿真模型，给出了仿真结果。仿真结果验证了该方法的有效性，需要解决的问题有高频电流采样频率、滤波器设计及其延时、对其他信号高频信号的干扰、转子位置的实时补偿、解耦控制高频信号系统和基频系统、估计响应等。同频电流、滤波器设计及其延迟、与其他信号高频信号的干扰、转子位置实时补偿、解耦控制高频信号系统和基频系统、估计响应等。
The sensorless estimation principle of rotor speed and position for PMSM by high-frequency signal injection is given. The characteristic and filtering method of high-frequency current signal, rotor position signal extraction based on victor transformation and heterodyning processing method are introduced in detail. The simulation models are made, simulation results are obtained. The efficiency is verified by simulation results, problems need be resolved such as sample frequency of high-frequenThe sensorless estimation principle of rotor speed and position for PMSM by high-frequency signal injection is given. The characteristic and filtering method of high-frequency current signal, rotor position signal extraction based on victor transformation and heterodyning processing method are introduced in detail. The simulation models are made, simulation results are obtained. The efficiency is verified by simulation results, problems need be resolved such as sample frequency of high-frequency current, filter design and its delay, interference with high-frequency signal from other signals, real-time compensation of rotor position, decoupling control high-frequency signal system and base frequency system, estimation response, and so on.cy current, filter design and its delay, interference with high-frequency signal from other signals, real-time compensation of rotor position, decoupling control high-frequency signal system and base frequency system, estimation response, and so on.