Another Point of View on Diagnosability

  • Authors:
  • Xavier Pucel;Louise Travé-Massuyès;Yannick Pencolé

  • Affiliations:
  • LAAS-CNRS, Université de Toulouse, 7 av. Colonel Roche, 31077 Toulouse;LAAS-CNRS, Université de Toulouse, 7 av. Colonel Roche, 31077 Toulouse;LAAS-CNRS, Université de Toulouse, 7 av. Colonel Roche, 31077 Toulouse

  • Venue:
  • Proceedings of the 2008 conference on STAIRS 2008: Proceedings of the Fourth Starting AI Researchers' Symposium
  • Year:
  • 2008

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Abstract

This paper provides a new definition of diagnosability, that allows one to check the diagnosability of any set of system states, and by extension of properties that depend on the system state. The existing definitions and approaches for checking diagnosability apply to faults or sets of faults, and comparison shows that the new definition generalizes the existing ones. This new definition is applied to repair preconditions, and an example shows how this brings complementary information compared to classical fault diagnosability.