## MATLAB频率响应法的直流感应电机转速控制系统设计

Title  The Design of DC Motor Speed Control System Based On The Frequency Response Method
Abstract
DC induction motor is one of the earliest invented and widely used  motors. It is a kind of common actuator in the electromechanical equipments and industrial manufacturing processes. However,because of the load change of the motor and other disturbances,the speed of the motor is difficult to maintain the expected value.In this paper, the structure model of DC induction motor is analyzed.The basic principle of armature voltage control loop is discussed.The transfer function of DC induction motor is developed, and the speed controller is designed by using frequency response method.Thereafter,the corresponding speed control system is constructed by MATLAB , and the simulations are executed.Experimental results show that the designed speed control system has the desired dynamic performance. Thus the feasibility and validity of the designed speed controller are verified. 源`自*六)维[论*文'网www.lwfree.cn
Keywords  DC induction motor, frequency response method, MATLAB ，Speed control system

1  绪论    1
1.1  研究背景及意义    1
1.2  直流感应电机调速系统的研究现状    1
1.3  课题主要研究任务    3
2  直流感应电机的调速原理    4
2.1  直流感应电机的基本构造    4
2.2  直流感应电机的工作原理    5
2.3  电枢回路电压调速控制的基本原理    5
2.4  本章小结    6
3  直流感应电机的模型    7
3.1  直流感应电机的控制模型结构    7
3.2  直流感应电机的数学模型     8
3.3  直流感应电机的传递函数    9
3.4  本章小结    10
4  转速控制器的设计    11
4.1  频率响应法    11
4.1.1  频率响应法的基本原理    11
4.1.2  频率响应法的相关指标    12
4.2  控制器的传递函数设计    13
4.3  本章小结    18
5  仿真实验与分析    19
5.1  电机闭环系统的传递函数    19
5.2  闭环系统单位阶跃响应仿真    19
5.3  转速控制系统的仿真    20 源`自*六)维[论*文'网www.lwfree.cn
5.4  仿真结果分析    22
5.5  本章小结    22

1 绪论
1.1  研究背景及意义

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