低分辨率位置传感器永磁同步电机精确位置估计方法综述

发布时间：2018-05-27 06:16

本文选题：永磁同步电机 + 低分辨率位置传感器　；参考：《电工技术学报》2017年22期

【摘要】：伺服电机在装备制造、新能源和家电等领域有着广阔的应用,为得到高精度转子位置信息,通常采用旋转变压器或光电编码器等高分辨率位置码盘,但其价格普遍较高,增加了系统设计成本。而无传感器技术当前还很难全面满足工业及家电等领域的应用要求。低分辨率位置传感器永磁同步电机驱动技术是一种能够保证电机运行性能,同时能有效控制系统成本、提高系统可靠性的转子位置检测技术,受到国内外产业界的广泛关注。介绍开关型霍尔位置传感器的使用方法与工作原理,总结原始霍尔位置信息误差的来源与校正方法;重点讨论基于插值法、同步坐标系滤波器法和观测器法的转子位置/转速估算策略,从提高低分辨率位置传感器电机系统低速性能等方面分析和比较不同估算策略的原理、优缺点、适用范围及应用情况;最后,总结现有研究成果及有待解决的问题。
[Abstract]:Servo motor is widely used in the field of equipment manufacture, new energy and household appliances. In order to obtain high precision rotor position information, high resolution position code such as rotary transformer or photoelectric encoder is usually used, but its price is generally high. The system design cost is increased. However, sensorless technology is still difficult to meet the needs of industry and household appliances. The low-resolution position sensor permanent magnet synchronous motor (PMSM) drive technology is a kind of rotor position detection technology which can guarantee the performance of the motor effectively control the system cost and improve the reliability of the system. This paper introduces the use and working principle of the switch Hall position sensor, summarizes the source and correction method of the original Hall position information error, and emphatically discusses the method based on interpolation. The rotor position / speed estimation strategy of synchronous coordinate system filter method and observer method is analyzed and compared in terms of improving low speed performance of low resolution position sensor motor system. Application scope and application; finally, summarize the existing research results and problems to be solved.
【作者单位】：哈尔滨工业大学电气工程及其自动化学院;
【基金】：国家科技重大专项项目资助(2012ZX04001051)
【分类号】：TM341

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