Comparison of Different DC Motor Speed Controllers

Q1 Mathematics
I. I. Gorial
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引用次数: 0

Abstract

Control of DC motor is a popular practice, consequently, the controller of the DC motor speed is essential. The main aim of motor speed control is to keep the motor rotation at the present speed, and to drive a machine at the speed of demand. Process mathematical model has been designed utilizing plant data i.e. firstly without controller and secondly with three controllers independent from each other. Linear Proportional Integral Derivative (LPID) and Nonlinear Proportional Integral Derivative (NPID) are presented here. In addition, the speed of a DC motor is controlled using Fuzzy Logic Controller (FLC). It has two inputs: one is the speed error and the other one is the change in the speed error. Center of Gravity (COG) is the method utilized for defuzzification. The results of the controllers are compared to each other and to the one with no control in in order to clarify the features of the presented controllers. The ability of the proposed FLC explored by the numerical simulations in controlling the speed of DC motor to a desired value within fast time. After a comparative evaluation of the results done between DC motor without FLC and with FLC system in terms of characteristics, utilizing MATLAB/Simulink, it has been found out that FLC has more efficiency and effectiveness than the system without this controller.
不同直流电机速度控制器的比较
直流电机的控制是一种普遍的做法,因此,直流电机转速的控制器是必不可少的。电机转速控制的主要目的是使电机保持在当前的转速,并以所需的速度驱动机器。利用工厂数据设计了过程数学模型,即首先没有控制器,其次有三个相互独立的控制器。本文介绍了线性比例积分导数(LPID)和非线性比例积分导数(NPID)。此外,还采用模糊控制器(FLC)控制直流电机的转速。它有两个输入,一个是速度误差,另一个是速度误差的变化量。重心法是消除模糊的一种方法。将控制器的结果相互比较,并与没有控制的结果进行比较,以阐明所提出控制器的特征。通过数值模拟,探讨了所提出的FLC在短时间内将直流电动机的转速控制到期望值的能力。利用MATLAB/Simulink对不带FLC的直流电动机和带FLC系统的特性结果进行了对比评价,发现FLC比不带FLC控制器的直流电动机具有更高的效率和有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
International Review of Automatic Control
International Review of Automatic Control Engineering-Control and Systems Engineering
CiteScore
2.70
自引率
0.00%
发文量
17
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