On-line Control of a Spot Welding Machine by Using a Fuzzy Adaptive Controller

摘要

This paper describes a control scheme for on-line control of a spot welding machine. From the simulation of the soft-steel welding process by constant current, constant power and variable power methods with numerical analysis by FEM, nugget sizes etc. obtained are compared for these three methods. Variable power method is the best one for obtaining the biggest nugget and is used here as a reference (welding energy) model.