基于STM32的无刷直流电机控制系统设计及仿真研究-电子与通信工程专业论文.docxVIP

广西师范人学硕士学位论文Design 广西师范人学硕士学位论文 Design and Simulation Research of BLDC Motor Control System Based on STM32 Graduate student：Wang Guoyu Supervisor：Huang Zhigong Grade：20 1 3 Major：Electronics and Communication Engineering Research Direction：Motor Control AB STRACT In recent years，with the rapid development of electronic power technology and modem control theory,the control and application of motor have been research content that people pay more and more attention in．In general，motors are mainly divided into two kinds：alternating current machines and direct current machines．AC machine has the advantages of simple structure，low manufacturing cost and on，and is widely used in various fields，such machine tools and mechanical processing equipment．However,due to the relatively poor speed and start-up performance of the AC motor,the AC motor is rarely used in the place where the speed and torque are strictly required．Comparing with the AC motor,DC motor has fast rotated speed and large torque．So it is treated the main object in many occasions．In this paper，it mainly studies the one type motors named brushless DC motor．Brushless DC motor is a new kind of motor that comes with the rise of motor technology and permanent magnet material．It is a special form of DC motor and has the advantages of small volume，high efficiency,good speed regulation，simple control and easy to realize the digital control，SO it is widely applied in many fields．Therefore，the study of Brushless DC motor control system has very far-reaching significance． First of all，the paper establishes mathematical model of brushless DC motor control system．In the control scheme，it establishes the double closed—loop control scheme of external rotating speed and internal current through the comparative study analysis． Next is the modeling and Simulation of Brushless DC motor control system．The paper built a simulation model of each function model by using the powerful computing analyze ability of MATLAB in Simulink en