Istituto di Scienza e Tecnologie dell'Informazione     
Barsi F. Probabilistic syndrome decoding in self diagnosable digital systems. In: Digital Processes, vol. 7 pp. 33 - 46. Georgi Publishing Company, 1981.
The self-diagnosis of multi-unit digital systerms is reconsidered assuming the hypothesis that: (i) faults are not equally probable and (ii) the outcome of tests performed between units are not deterministic. Given a set of test results, the problem of finding the most likely set of faulty units of a system is considered here and an approach to probabilistic diagnosability with repair is presented. It is shown that a significant class of systems exists for which these problems are easily solved and a decoding procedure is given whose complexity is 0(n) where n is the number of system units.
Subject one-step diagnosis
diagnosis with repair
diagnostic graph
decoding algorithm

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