A Study on Microcomputer Control for Robot Arc Welding Inverter Power Source

At the special request of robot, this paper study a IGBT inverter arc welding power source which is controlled by high speed single-chip microcomputer 80C320. The principle of the main circuit and its control circuit, and whole system structure are analyzed. The output characteristic of power source and its communication to the robot are also introduced in this paper. The test results show that the system has many output characteristics and excellent dynamic characteristics, adaptable to more robot welding methods.