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THE IMPLEMENTATION OF ON-LINE EXPERT SYSTEMS IN PROCESS OPERATIONS

J. F. Davis
Department of Chemical Engineering and Laboratory for AI Research, The Ohio Stale University. 140 W. 19th Avenue, Columbus, OH 43201, USA

P. R. Prasad
Department of Chemical Engineering and Laboratory for AI Research, The Ohio Stale University. 140 W. 19th Avenue, Columbus, OH 43201, USA

Sinopsis

As a complex reasoning activity, diagnosis is decomposed into its constituent information-processing tasks (IPTs). IPTs are described generically in terms of their input, output, knowledge representation and inferencing strategy. How these tasks interact and are integrated form the basis of a framework for construclingknowledge-based systems. It is shown that Ihis framework provides a natural basis for bringing together a variety of technologies into a comprehensive on-line diagnostic system. Examples drawn from diagnostic systems implemented for industrial operations are used to illustrate the integration of various problem-solving techniques.

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