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Design of the Brushless DC Motor Control System Based on MC9S12X128

Shuhai Bian

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Abstract

A brushless DC motor control system is designed in order to meet the requirements of high precision,speed performance and low cost.In this system the microcontroller MC9S12X128 is used as the control and disposal center,and the IR2130 chip is adopted to drive the MOSFET power transistor to achieve the three phase six step PWM control of the brushless DC motor.The system has the advantages of simple structure,easy speed adjustment and low power consumption.The practical application shows that the BLDC motor runs smoothly and reliably.

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What this paper is about

A brushless DC motor control system is designed in order to meet the requirements of high precision,speed performance and low cost.In this system the microcontroller MC9S12X128 is used as the control and disposal center,and the IR2130 chip is adopted to drive the MOSFET power transistor to achieve the three phase six step PWM control of the brushless DC motor.The system has the advantages of simple structure,easy speed adjustment and low power consumption.The practical application shows that the BLDC motor runs smoothly and reliably.

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Available abstract

A brushless DC motor control system is designed in order to meet the requirements of high precision,speed performance and low cost.In this system the microcontroller MC9S12X128 is used as the control and disposal center,and the IR2130 chip is adopted to drive the MOSFET power transistor to achieve the three phase six step PWM control of the brushless DC motor.The system has the advantages of simple structure,easy speed adjustment and low power consumption.The practical application shows that the BLDC motor runs smoothly and reliably.

Key concepts: DC motor, Microcontroller, Pulse-width modulation, Computer science, Power consumption, Power (physics), Control system, Electronic speed control

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