Importance

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Abstract

Efficient expert systems for failure diagnosis often decisively increase the availability of a technical system by making available to a layman the knowledge of a diagnostic expert. The process attains the following objects: For each variant of a technical system, which is composed of modules, a knowledge base should be efficiently generated. An expert system should be able to quickly diagnose each variant. The process provides the following: In knowledge acquisition, knowledge modules are generated, namely a knowledge module for each type of real module, which occurs in at least one variant of the technical system. The knowledge module contains all diagnosis-relevant knowledge about the real module type in such a way that it is valid for each exemplar of the type. The device according to the invention automatically generates a variant-specific knowledge base by copying each knowledge module from the actual configuration of the variant as many times as there are exemplars of the respective real module type, and then suitably combining the copies. The device inserts the module-copies of the submodules into the module-copy for a composite module.

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First Claim