永磁同步电机直接转矩控制系统的研究综述

The Research Statuses of Permanent Magnet Synchronous Motor Direct Torque Control System

永磁同步电机因其高功率密度、高效率、高可靠性等特点,在工业控制领域中得到了广泛的应用。目前,永磁同步电机控制系统的研究受到了广泛的关注,如何高效地控制永磁同步电机对推动社会进步、提高生产效率和节能减排等都具有重要的意义。而直接转矩控制作为一种高性能的交流调速方法,其是一个研究热点。本文以永磁同步电机为研究对象,首先介绍了它的结构、特点及其控制策略,并综述了永磁同步电机直接转矩控制系统的研究现状。

Permanent magnet synchronous motor(PMSM) has been extensively used in the field of industrial control due to its high power density, high efficiency, high reliability and other characteristics. At present, the research of PMSM control system has been extensively concerned, how to effectively control PMSM plays an important role in promoting social progress, improving production efficiency, saving energy and reducing emissions. As a kind of high performance AC speed regulation method, direct torque control is a research hotspot. In this paper, PMSM is taken as the research object, firstly, its structures, characteristics and control strategies are introduced, and the research statuses of PMSM direct torque control system are summarized.