基于DSP的三相异步电机变频调速系统优化设计及实现

发布时间：2018-01-05 10:43

本文关键词：基于DSP的三相异步电机变频调速系统优化设计及实现　出处：《北京印刷学院》2014年硕士论文　论文类型：学位论文

【摘要】：随着电机技术的发展，人们对电机控制的需求也日益增加，所以对电机控制技术的研究具有重要的意义。三相交流电机系统的控制己经发展为融合了多门知识的新兴学科，包括电机理论、自动控制原理、电力电子技术、嵌入式系统控制和计算机控制等。在交流调速的技术中，随着需求更大的调速范围和更快的响应速度，变频调速的矢量控制以其优异的性能和广泛的应用范围而被认为是最有前途的调速方式。本文介绍了变频调速的PWM技术，重点讲述了SPWM、SVPWM控制技术，介绍了基于两种模型的异步电机调速系统，以动态数学模型为基础分析了Clark变换和Park变换的适用公式，为本系统所采用的FOC矢量控制算法做铺垫。主要研究内容如下， 1本系统采用TMS320F28335芯片，基于其先进的浮点运算功能和高速的运算速度，提高了FOC算法电机控制的速度。 2针对现有通用矢量控制电路抗干扰性等特点进行了抗干扰优化设计，，给控制板的供电电源加了电抗器，效果明显。 3设计了整个系统的软件和硬件电路，并且讲述了硬件调试过程中的一些干扰问题，通过实验结果证明了系统的可行性。
[Abstract]:With the development of motor technology, the demand for motor control is increasing day by day. Therefore, the research of motor control technology is of great significance. The control of three-phase AC motor system has been developed into a new subject which integrates many knowledge, including motor theory, automatic control principle, power electronics technology. Embedded system control and computer control. In AC speed regulation technology, with the need for greater speed range and faster response speed. The vector control of variable frequency speed regulation is considered to be the most promising method for its excellent performance and wide range of application. This paper introduces the PWM technology of frequency conversion speed regulation, focuses on the control technology of SPWMN SVPWM, and introduces the speed control system of asynchronous motor based on two kinds of models. Based on the dynamic mathematical model, the applicable formulas of Clark transform and Park transform are analyzed, which pave the way for the FOC vector control algorithm used in this system. The main research contents are as follows. This system adopts TMS320F28335 chip, based on its advanced floating-point operation function and high-speed operation speed, improves the speed of motor control of FOC algorithm. (2) the anti-interference optimization design is carried out according to the characteristics of anti-interference of the current general vector control circuit, and the reactor is added to the power supply of the control board, and the effect is obvious. 3 the software and hardware circuits of the whole system are designed, and some interference problems in the process of hardware debugging are described. The feasibility of the system is proved by the experimental results.
【学位授予单位】：北京印刷学院
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TM343

【参考文献】