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LIU Caixia, GU Shuai, GONG Deli, YANG Zhengtao. Design of Campus Meal Delivery Robot Based on STC89C52 Control System[J]. Journal of Technology, 2019, 19(4): 307-313. DOI: 10.3969/j.issn.2096-3424.2019.04.004
Citation: LIU Caixia, GU Shuai, GONG Deli, YANG Zhengtao. Design of Campus Meal Delivery Robot Based on STC89C52 Control System[J]. Journal of Technology, 2019, 19(4): 307-313. DOI: 10.3969/j.issn.2096-3424.2019.04.004

Design of Campus Meal Delivery Robot Based on STC89C52 Control System

  • An automatic campus meal delivery robot based on SCM (single chip microcomputer) STC89C52 was designed, which was used to meet the demands of campus delivery. The robot system was composed of autonomous walking unit and takeout box unit, which were connected by suction disk DC traction electromagnet. As the core of the campus meal delivery robot, the control system was composed of main control module, infrared sensor module, ultrasonic obstacle avoidance module, motor drive module, power supply module and so on. It had the functions of path recognition and autonomous obstacle avoidance, and can accurately identify the target path. The autonomous walking unit system used PWM to control the speed of the robot. A new integrated infrared sensor DRS3100 installed on the robot chassis detects the obstacles on the road and route, and transmits the detected signal to STC89C52 to control the operation of the left and right motor of the robot, so as to adjust the operation direction or stop. The ultrasonic ranging module was used to make the campus meal delivery robot stop working when it detected the distance between the robot and the obstacle is less than or equal to 20 cm. The motion function was used to control the movement of the robot to complete the automatic delivery of meals. The performance of the robot control system was tested on the experimental prototype. The experimental results showed that the campus meal delivery robot had stable movement, strong adaptability and high practical value.
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