基于单片机的电梯控制器研究与设计.pdfVIP

ABSTRACT This article is about the use of a single chip microcomputer to control the elevator system. Its hardware is composed of several parts. There are a minimum system module of the single chip microcomputer master controller, a switch control module, a motor drive module, a display module, and a prompt to reach the target floor. Modules are composed of several modules. The main controller used in this system is the AT89C52 microcontroller. The signal modules all depend on whether the button changes the level of the corresponding pin in the microcontroller. This signal is considered to be triggered by the user. The information is sent to the main controller, and the single-chip microcomputer will process the signal received by itself and react to it. By controlling the change of the port level, the stepper motor is controlled to perform the corresponding action, up or down. During the rotation of the stepper motor, the stepper motor will make a corresponding action and stop due to the signal received by the sensor that receives the analog signal of the single-chip microcomputer. In this design process, the LED indicator array is used to display the status of the elevator's descending or ascending movement, and the common cathode seven-segment digital tube is used to realize the position information of the floor where the car is currently located to fulfill all signal requests And the process of responding. In this design, we use C language to program and control the AT89C52 microcontroller, and use the function of the microcontroller to read the pins to see if the user presses the call button to generate a memory signal. By the time the elevator rea