【作者】 邹军；

【导师】 张洁；

【作者基本信息】 西南交通大学 ， 仪器仪表工程， 2012， 硕士

【摘要】 20世纪70年代初,德国学者F. Blaschke率先提出“异步电动机磁场定向的控制原理”,开启了矢量控制理论的研究序幕。20世纪80年代日本学者提出空间矢量PWM控制策略之后,世界各国的研究机构陆续展开了对矢量控制技术的研究。矢量控制(SVPWM)与正弦脉宽调制(SPWM)相比较,矢量控制能够提高逆变器直流电压的使用效率,而且还能够让电动机获得更好的动态响应性能,减小电动机转矩的脉动。矢量控制理论的应用,从速度获取方式上可以分为有速度传感器和无速度传感器矢量控制两大类,无速度传感器较有速度传感器具有更广泛的应用价值。本论文进行无速度传感器的三相交流异步电机的矢量控制研究。首先介绍了变频控制技术的发展历程及其在现代工业中的应用领域,阐明进行电机控制研究的必要性。第二章阐述异步电动机的数学模型和坐标变换、矢量控制的原理及其可行性、空间矢量控制(SVPWM)的原理及其与正弦波脉宽调制(SPWM)相比的优越性,和空间矢量算法实现行进讲解。第三章基于异步电机控制系统的结构、速度观测原理、磁场定向原理以及定子与M、T轴电压的解耦运算,利用P1自动控制原理构建电动机转速的自适应辨识系统,建立交流电机控制系统的数学模型。第四章基于MATLAB仿真软件技术开发了异步电机矢量控制系统的仿真模块,最后进行了该仿真模型下的仿真并得出了结果更多还原

【Abstract】 In the1970s, the German scholar F.B laschke put forward "asynchronous motor field-oriented control principle", started the vector control theory of the research prelude。 After the1980s Japan scholars put forward vector PWM control strategy, all over the world in an research institutions of vector control technology research.Vector control (SVPWM) and sine pulse width modulation (SPWM) compare, vector controlcan not only improve inverter voltage dc side utilization ratio, but also can get better the dynamic response of the motor performance, reduce the motor torque ripple. The application of vector control theory, from the speed access method can be divided into a speed sensor and speed sensorless vector control two way, no speed sensor is better speed sensor has more extensive application value.This thesis is about of ac motor speed sensorless vector control research. In this thesisi I first introduced the frequency conversion control technology of the development process and vector control application fields in modern industry, expounds the necessity of research on motor control. The second chapter is about asynchronous motor’s mathematical model and coordinate transformation, the principle of vector control and it’s feasibility, the superiority of principle of space vector control (SVPWM) have compared with the sine wave pulse width modulation (SPWM), and explaining space vector algorithm marching. In the third chapter based on asynchronous motor control system structure, and speed、 magnetic field observation and directional principle,next is about the voltage of the stator and rotor decoupling operation, use of PI method build construction speed motor adaptive identification system, and establish ac motor control mathematic model of the system. The fourth chapter development of induction motor based on MATLAB simulation module of vector control system, and finally gives the simulation model of the simulation results.更多还原