Abstract
This paper mainly studies the design of DC motor speed control system based on ARM. The STM32 micro controller is used to design the corresponding hardware peripheral circuit, and the microcontroller programming, with the hardware circuit to achieve the corresponding function. Using the speed closed-loop PID control algorithm, the speed of the DC motor can be adjusted to improve the dynamic characteristics of the motor. The actual operation results show that the design of this topic is to meet the requirements of the control of the motor, such as start and stop, forward and reverse, acceleration and deceleration, and no steady state error.
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