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Chopper Based Speed Control of DC Motor using ATMEGA16 Microcontroller


Shreekant , pda college of enginnering gulbarga; Dr. M. S. Aspalli, pda college of enginnering gulbarga


PWM, DC Motor, Microcontroller, ATMEGA16, Speed Control, Four Quadrant Chopper


The speed control of DC motor for various applications is very important because DC motors have been widely used in many industrial applications such as electric vehicles, steel rolling mills, electric cranes, and robotic manipulators due to precise, wide, simple, and continuous control characteristics. There are various methods of speed control of DC drives – armature voltage control, field flux control and armature resistance control. However, the conventional methods have some demerit because some power is wasted in control resistance. This paper deals with controlling DC motor speed through combination the Chopper circuit and ATMEGA16 microcontroller. In this work, PWM that can be used for speed control of a DC motor is generated using ATMEGA16 microcontroller. DC motor is driven by a driver IC IR2100. The H-bridge MOSFET Chopper is driven by a driver IC IR2100 through PWM signal generated by the microcontroller. This work is a practical one and high feasible according to economic point of view and accuracy and it has been tested on 0.5HP DC motor.

Other Details

Paper ID: IJSRDV4I120438
Published in: Volume : 4, Issue : 12
Publication Date: 01/03/2017
Page(s): 445-448

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