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    摘要永磁同步电动机作为一种新型电动机,具有轻便、功率密度高,转子转动惯量小、运行效率高等优点,能够实现快速而又精准的控制要求,因此在各行各业以及日常生活中被广泛应用。永磁同步电机的控制系统是一个多变量、高耦合的非线性复杂系统,而研究先进的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。27706
    本文在分析了永磁同步电机的结构和工作原理的基础上,讨论了关于永磁同步电机控制系统的坐标变换,推导了永磁同步电动机的数学模型,并详细论述了其矢量控制原理,分析了 控制、最大转矩/电流控制、弱磁控制等控制策略,并在此基础上,探讨了永磁同步电机的控制方法,给出了永磁同步电机的 矢量控制方法。
    本文通过Matlab/Simulink工具,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。
    毕业论文关键字:永磁同步电机,矢量控量,MATLAB,仿真模型
    ABSTRACT
       Permanent magnet synchronous motor as a new type of motor, has the advantages of light weight, high power density, rotor inertia small, high efficiency, can realize the control requirement of fast and accurate, so it is widely used in all walks of life and daily life. The control system of permanent magnet synchronous motor is a nonlinear multivariable, highly coupled complex system, the primary task of research of advanced control algorithms is to establish suitable for permanent magnet synchronous motor mathematical model, and makes analysis, modeling and Simulation of therefore, how to establish a permanent magnetic synchronous model has been the basis of proper control system research permanent magnet synchronous motor.
    Based on the analysis of the structure of permanent magnet synchronous motor and the principle of coordinate transformation, the discussion on the control system of permanent magnet synchronous motor, and gives the mathematical model of PMSM ABC static coordinate system, alpha - and beta stationary coordinate and d-q rotating coordinate system is derived based on the mathematical model, and the equivalent circuit of permanent magnet synchronous motor, and discusses the principle of vector control, analysis of the id=0 control, the maximum torque / current control, the weak magnetic control strategy, and on this basis, discussed the control method of permanent magnet synchronous motor, gives the permanent magnet synchronous motor vector control method.
        In this paper, through the Matlab/Simulink tool, the vector control system of permanent magnet synchronous motor by the modeling and simulation. Simulation results show that the model is correct, can be used as a further study of permanent magnet synchronous motor model based control.
    Keyword:permanent magnet synchronous motor, vector control, MATLAB, simulation model
    目  录
    永磁同步电机矢量控制系统建模与仿真    1
    1 绪论    5
    1.1 永磁同步电机    5
    1.1.1 永磁同步电机的发展概况    5
    1.1.2永磁同步电机的特点与优点    6
    1.2 永磁同步电机控制系统概论    6
    1.3 本文主要工作    7
    2 永磁同步电机的工作原理和控制系统    7
    2.1 永磁同步电机的结构和类型    7
    2.2 永磁同步电机的工作原理    8
    2.2.1 永磁同步电动机稳态方程    8
    2.1.3永磁同步电动机的等效电路    9
    2.3 永磁同步电机的数学模型    10
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