Automated addition of fault recovery to cyber-physical component-based models

  • Authors:
  • Borzoo Bonakdarpour;Yiyan Lin;Sandeep Kulkarni

  • Affiliations:
  • University of Waterloo, Waterloo, ON, Canada;Michigan State University, East Lansing, MI, USA;Michigan State University, East Lansing, MI, USA

  • Venue:
  • EMSOFT '11 Proceedings of the ninth ACM international conference on Embedded software
  • Year:
  • 2011

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Abstract

In this paper, we concentrate on automated synthesis of fault recovery mechanism for fault-intolerant component-based models that encompass a cyber-physical system. We define the notion of fault recovery for cyber-physical component-based models. We also present synthesis constraints that preserve the correctness and cyber-physical nature of a given fault-intolerant model under which recovery can be added. We show that the corresponding synthesis problem is NP-complete and consequently introduce symbolic heuristics to tackle the exponential complexity. Our experimental results validate effectiveness of our heuristics for relatively large models.