"基于AT89C51单片机的步进电机控制系统设计与实现"
The graduation design thesis "Stepper Motor Control System Based on AT89C51 Single Chip Microcomputer" aims to design a control system for stepper motors using single-chip microcontrollers and a ring pulse distributor. Stepper motors are widely used in automatic control systems due to their high precision in stepping angle, self-locking capabilities, and quick response to control pulses. The control system designed in this thesis enables automatic acceleration and deceleration control of stepper motors according to preset parameters, ensuring the shortest time to reach the control endpoint without losing steps. It also accurately controls the forward and reverse rotation, start-up, and stopping of the stepper motor. The hardware components of the system include the AT89C51 single-chip microcontroller as the core control circuit, the ring pulse distributor, keyboard display circuit, and stepper motor drive circuit. The software component of the system is programmed using C language and includes the keyboard display program, stepper motor speed control program, and stop judgment program. The implementation of this control system provides efficient and reliable control of stepper motors for various applications in digital control systems. Keywords: Stepper motor control system; speed control; single-chip microcontroller.
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