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DC Motor Speed Control Using Microcontroller

Journal: International Journal of Engineering and Techniques (Vol.2, No. 6)

Publication Date:

Authors : ;

Page : 70-74

Keywords : Microcontroller (8051); Dc Motor; PWM.;

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Abstract

The aim of this paper is to control the speed of DC motor. The main advantage in using a DC motor is that the Speed-Torque relationship can be varied to almost any useful form. To achieve the speed control an electronic technique called Pulse Width Modulation is used which generates High and Low pulses. These pulses vary the speed in the motor. For the generation of these pulses a microcontroller (AT89c51) is used. As a microcontroller is used to set the speed ranges which is done by changing the duty cycles time period in the program. This is practical and highly feasible in economic point of view, and has an advantage of running motors of higher ratings. This paper gives a reliable, durable, accurate and efficient way of speed control of a DC motor.

Last modified: 2018-05-18 21:27:38