1、 I 摘 要 永磁同步电机由于体积小、重量轻、功率密度高，能够实现快速、准确的控 制要求，在工业领域中被广泛应用。永磁同步电机控制系统是一个多变量、非线 性、高耦合的非线性复杂系统，而研究先进控制算法的首要任务就是建立适合的 永磁同步电机数学模型，并以此进行建模与仿真分析，因此，如何建立合适的永 磁同步模型一直是研究永磁同步电机控制系统的基础。 论文在分析了永磁同步电机的结构和工作原理的基础上， 讨论了永磁同步电 机控制系统的坐标变换，并给出了永磁同步电机基于 ABC 静止坐标系、 静止坐标系和 d-q 旋转坐标系的数学模型，在此基础上，探讨了永磁同步电机的 控制方法，给出了基于矢量控制的永磁
2、同步电机控制方法。 论文通过 Matlab/Simulink，对永磁同步电机矢量控制系统进行了建模和仿 真。仿真结果表明，论文所建模型正确，可以作为进一步研究永磁同步电机控制 的基础模型。 关键字 永磁同步电机，矢量控制，数学模型，MATLAB，仿真模型 II ABSTRACT Permanent magnet synchronous motor as small size, light weight, to achieve fast and accurate control requirements, has been widely used in various fields. While
3、 permanent magnet synchronous motor is a multi-variable, nonlinear, high-coupling system, to create a suitable mathematical model of permanent magnet synchronous motor is the first task of researching advanced control algorithm,and use modeling and simulation analysis,therefore,how to establish a su
4、itable moedl for permanent magnet synchronous is always the study fo permanent magnet synchronous motor control system based on. The issue bases on the introductin of the structure, type and working principle of the permanent magnet synchronous motor,giving permanent magnet synchronous motors static
5、 coordinate system based on ABC, - stationary coordinate system and the d-q rotating coordinate system of the mathematical model ,on this basis,discussing the permanent magnet synchronous motor method,giving the control method based on vector control of permanent magnet synchronous motor. Using Matl
6、ab/Simulink simulation, issue model and simulate the permanent magnet synchronous motor vector control system.The resutl show that the model is correct,and can be further studied based on permanent magnet synchronous motor control model. Keyword：permanent magnet synchronous motor, vector control, mathematical model, MATLAB, simulation model III 目 录 1 绪论 6 1.1 永磁同步电机 6 1.2 永磁同步电机控制系统. 8 1.3 本文主要工作. 9 2 永磁同步电机的工作原理和数学模型 11 2.1 永磁同步电机的结构和类型. 11 2.2 永磁同步电机的工作原理. 11 2.3 坐标变换. 12 2.4 永磁同步电机的数学
