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The paper describes an expert system for the power systems steady state diagnosis (PSSD). After the introduction, the second section presents the theoretical background regarding the applying of the model based diagnosis (MBD) to the power systems steady state operation. Basic concepts and the MBD models for the discussed case are given. Within the third section, the PSSD structure and its components...
DINT, a data interpretation expert system which can provide an explanation of the real-time operating state of a substation to its operators, is described. DINT is based on a generalized version of the set covering model for diagnostic problem solving. This abductive reasoning model is an object-based, frame-like knowledge representation paradigm. Test cases illustrate the application of the model...
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