Design and Implementation of Multiple Mobile Robot Control System Based on MQTT

Abstract

Currently, the programming of multi robot control systems is difficult and requires high requirements for robot terminals. In response to the drawbacks of complex programming and easy interruption of message redundancy during communication in existing multi robot control systems, a multi robot control system based on MQTT is designed. MQTT is used as the communication protocol for multi robot communication, and a mobile robot experimental platform is built, this greatly reduces the redundancy of messages and the difficulty of manipulation in the control process of multiple robots. At the same time, the system has the function of action reproduction, which can record the actions of mobile robot terminals, reducing the difficulty of programming and debugging. Through experiments, the superiority of using MQTT protocol to control multiple robots has been verified. This system allows the robot to complete synchronous coordination work by only receiving commands from the upper computer and executing commands sent by the upper computer to the robot client, avoiding the need for the robot CPU to process a large amount of information and reducing the production cost of the robot. By controlling the robot’s actions through a human-computer interaction platform, errors can be corrected in a timely manner, and control methods can be adjusted without worrying about the robot’s actions making mistakes due to previous programs.