Welding advisory system for process selection “WASPS”

  • Authors:

  • G. L. Lovegrove;G. J. Curtis;R. A. Farrar

  • Affiliations:

  • Univ. of Southampton, Southampton, UK;Univ. of Southampton, Southampton, UK;Univ. of Southampton, Southampton, UK

  • Venue:
  • IEA/AIE '89 Proceedings of the 2nd international conference on Industrial and engineering applications of artificial intelligence and expert systems - Volume 1
  • Year:
  • 1989

  • A PC-based expert system in engineering

    IEA/AIE '90 Proceedings of the 3rd international conference on Industrial and engineering applications of artificial intelligence and expert systems - Volume 2

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Abstract

There are a very large number of processes available to the welding engineer who must decide which is most appropriate for a particular application. The factors taken into consideration include the cost of the weld, its failure rate, base metal, dimensions, shape, location, required standard, weld joint preparation and so on. These complex parameters are interdependent and an advisory system for the process choice would be a most useful tool for the welding engineer.This paper traces the progress of research and development of such a tool, with the assistance of the Marchwood Engineering Laboratories of CEGB. The advisory expert system, WASPS, has been deliberately designed with a user-friendly interface to persuade the possibly computer-shy engineer of the validity of the advice together with the ease of running the program. The knowledge representation and inference engine of the expert system are classic in nature but the knowledge base is modular to facilitate the addition of further welding information.Finally the paper outlines the further research which is planned, including the design of an expert system shell for welding process selection and the design of an interface to a larger database.