Research And Development On Object-Oriented Relay-Protection Operation Decision-Making Expert System

This thesis researches on web-based graphic relay protection operation decision-making expert system, main research content is as following: the research of applicationof expert system and decision-making support system theories in relay-protection ofpower system is done; knowledge characteristics of relay protection operation rules andexpert experience are analysed.; expressing knowledge with object-orientedrepresentation and producing representation, building an independent knowledge base,designing a knowledge-maintaining module which can eliminate equivalent rules,redundant chains of rules and redundant conditions; develops an object-orientedweb-based graphic relay- protection operation decision-making expert system usingmixture organons of positive and negative, search strategy of width prior and depthprior's combination, collision eliminating strategy of using temporary facts base, andtechnologies of JSP, Visual C++ and Wizcon.