Zusammenfassung
Unter dem Begriff der modellbasierten Diagnose versteht man eine Familie von Methoden zur automatischen Fehlersuche in (meist) technischen Systemen. Im Unterschied zu den klassischen so genannten “Expertensystem”-Ansätzen geht die modellbasierte Diagnose nicht von einer detaillierten und aufwendigen Auflistung aller möglichen Fehlerfälle aus, sondern beschreibt stattdessen das korrekte Verhalten des Systems. Diese Beschreibung erfolgt baukastenartig, so dass z. B. verschiedene Modelle konkreter Schaltkreise aus einer Menge von Komponentenbeschreibungen einfach zusammengesetzt werden könne. Wird ein Fehlverhalten beobachtet, so kann mit Hilfe problemunabhängiger Lösungsverfahren nach einer Menge von Komponenten gesucht werden, deren Schadhaftigkeit das Problem erklären würde.
Abstract
Model-based diagnosis deals with a set of methods for finding faults in (usually technical) systems by examining the way these systems operate when functioning correctly, instead of using the classical “expert system” approach of painstakingly collecting all individual fault cases. The types of components occurring in a problem domain have their behavior described in a generic catalogue and can then be simply combined to describe any system from that domain. If faulty behavior is observed, a general solution algorithm can be applied to identify the set of components whose misbehavior explains the fault.
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Wotawa, F., Stumptner, M. Modellbasierte Diagnose — Überblick und technische Anwendung. Elektrotech. Inftech. 118, 360–366 (2001). https://doi.org/10.1007/BF03157840
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DOI: https://doi.org/10.1007/BF03157840