초록 ▼

The present invention is directed to an expert system for diagnosing faults. The system comprises a knowledge base containing information regarding a conceptual model of the equipment under diagnosis. The system also comprises an inference engine for generating a set of symptom diagnostic rules from

The present invention is directed to an expert system for diagnosing faults. The system comprises a knowledge base containing information regarding a conceptual model of the equipment under diagnosis. The system also comprises an inference engine for generating a set of symptom diagnostic rules from the information contained within the knowledge base in conjunction with user-generated inputs.

대표청구항 ▼

An expert system for diagnosing faults in equipment, said system including a computer having a memory for storing diagnostic routines and a user interface that permits communication between the expert system and an operator, said system comprising: a knowledge base coupled to the computer for storin

An expert system for diagnosing faults in equipment, said system including a computer having a memory for storing diagnostic routines and a user interface that permits communication between the expert system and an operator, said system comprising: a knowledge base coupled to the computer for storing data that is defined by a plurality of files that characterize the physical, functional and operational relationships of the components and between components of the equipment and information concerning selected operating conditions of the equipment, said files containing data indicative of the following attributes of the equipment: (1) the function of each component, (2) a wire list indicating outputs and interconnection of a component to other components of the equipment, (3) a level jump condition indicator which indicates whether a component may be decomposed into a plurality of other components, (4) a test message representing a stimulus applied to generate outputs that indicates whether a component is faulty, and (5) a listing of normal operating state values for a component indicating when that component is not faulty when the stimulus is applied thereto; and an inference engine that is storable in said memory that interfaces with the knowledge base and the operator by way of the user interface and which comprises recursive diagnostic routines that operate on the data contained in the knowledge base to generate symptom diagnostic rules in response to operator entered symptoms which are indicative of the faults present in the equipment.