基于MATLAB的直流电机PWM控制技术仿真研究  

Simulation Research on PWM Control Technology of DC Motor Based on MATLAB

作　　者：何沁园 庞路 HE Qinyuan;PANG Lu

机构地区：[1]中国船舶及海洋工程设计研究院,上海200011

出　　处：《江苏船舶》2021年第4期27-29,共3页Jiangsu Ship

摘　　要：在船舶综合电力系统快速发展的大背景下,基于直流电机模型,首先分析了直流电机的脉宽调制(Pulse WidthModulation,PWM)调速原理及直流电机特性;其次采用MATLAB软件并运用PWM控制方式实现转速调制;最后对直流电机的开环、闭环特性进行了阶跃响应仿真分析,确定了闭环控制策略并将其应用于实体模型电机的PWM控制的电路设计中,成功实现了直流电机PWM控制技术。the context of the rapid development of the integrated power system in the marine field,based on the DC motor model,the pulse width modulation speed regulation principle of the DC motor and the characteristics of the DC motor are firstly analyzed.Secondly,MATLAB software and PWM control method are adopted to realize speed modulation.Finally,the step response simulation analysis of the openloop and closedloop characteristics of the DC motor are carried out,and the closedloop control strategy is determined and applied to the circuit design of the PWM control of the physical model motor.The PWM control technology of the DC motor is successfully realized.

关 键 词：直流电机 恒转矩 闭环控制 PWM调制 

分 类 号：U665.11[交通运输工程—船舶及航道工程]