耿强,张甍,周湛清

• 1:天津工业大学电气工程学院
• 2:天津工业大学人工智能学院

摘要(Abstract)：

为省略内置式永磁同步电机（IPMSM）无位置传感器控制方法中滤波器的使用，减小系统体积，提高位置估计精度，提高系统适应性，提出一种IPMSM低速无位置传感器控制方法。在电机静止轴系注入高频电压信号，并且将矢量控制周期和高频注入周期分离；通过对高频注入周期前后产生的电流进行采样，经简单的数学运算即可获得含有转子位置信息的正交信号；使用正交锁相环进行位置信息估计；分别对电机进行空载转速阶跃、负载阶跃、带载转速阶跃以及带载正反转4种工况下的实验验证。结果表明：在4种工况下时，电机最大估计位置误差不超过13.5°，平均位置误差不超过7.5°，电机转速跟踪效果好，具有良好的稳定性和低速运行性能，并且避免了高频电流信号提取过程中滤波器的使用。

关键词(KeyWords)： 内置式永磁同步电机(IPMSM);无位置传感器控制;高频电压信号注入;无滤波器;动态性能

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目（52077154,51907142）;; 天津市自然科学基金资助项目（20JCQNJC00030）

作者(Author): 耿强,张甍,周湛清

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