3、。设计的整个控制系统在硬件结构上采用了大量的集成电路模块大大简化了硬件电路提高了系统的稳定性和可靠性使整个系统的性能得到提高。关键词：AT89C51单片机L298直流电机ADC0809[Abstract] Motor plays an important role in all walks of life, and the motor speed motor is one of the important performance, thus measuring the rotational speed of the motor and the motor spee
4、d, to make it meet the needs of people. With the development of science and technology, PWM control of motor speed in a way to become. This design is a single chip AT89S52 and L298 control of DC motor PWM speed control system, using AT89S52 chip for low cost DC motor control system desi
5、gn, using PWMcontrol mode, by changing the PWM duty ratio so as tochange the motor armature voltage, and then the motor speed control. Design of the whole control system, the hardware structure using a large number of integrated circuit module, greatly simplifying the hardware circuit,
6、improves the stability and reliability of the system, so that the performance of the whole system is improved. Realization of the motor is transferred, reverse, acceleration, deceleration control [Key Words]AT89S52、DC motor、PWM Speed Autormatic、L298、ADC0809目录1、课程设计概述51.1课程设计目的61.2课程设计小组
