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Automatic knowledge acquisition in technical diagnosis

Introduction Diagnostic expert systems are useful tools for fault analysis of different technical applications. However, only a few systems are actually used in practice. In Germany for example only up to 50 systems, out of about 2000 developed systems, are currently used in practical applications[2,12]. The problems of knowledge acquisition are one important reason for this gap in practical realization [ll]. The common way of knowledge acquisition for expert systems engaging a knowledge engineer to interview experts or using an expert system tool is insufficient in several points.