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In artificial intelligence, an expert system is a computer system that emulates the decision-making ability of a human expert. Expert systems are designed to solve complex problems by reasoning about knowledge, represented primarily as if-then rules rather than through conventional procedural code Robotics welding has been used over the years in some advanced countries like Japan, USA etc to weld but there has been series of problems encountered with the usage of these processes or method. These includes the difficulty of designing suitable software that will enhance robotic welding, the cost and skill required thereby creating a barrier to its usage. Welding operation is joining two metals together. The need arise for how to minimize or eliminate the error encountered when fatigue sets in, due to low efficiency of the local welder. CADD software for welding was developed using Microsoft visual studio package which was used to weld two mild steel plates together automatically, at the same time, it could be used for cylindrical hollow pipes. Therefore, this research work is based on reducing or eliminating such problems by creating a mean of designing a suitable and competent software that can aid robotic welding at a lower cost and above all which can be operated by anybody without the requirement of programming knowledge or any special skill. The result clearly shows that Robotic welding systems are able to operate continuously, provided appropriate maintenance procedures are adhered to. Continuous production line interruptions can be minimized with proper robotic system design. Robotic welding is faster, error free and uniformly welded all through like that of the CADD welding model developed.

Development of Expert System for Material and Welding rod Selection in Robotic Welding