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Volume 38 Issue 9
Sep.  2012
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Journal of Beijing University of Aeronautics and Astronautics  > 2012  >  (9): 1255-1260.
Wang Bo, Liu Dong, Li Yiet al. Formal specification of dynamic fault tree based on sequence failure symbol[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (9): 1255-1260. (in Chinese)
Citation: Wang Bo, Liu Dong, Li Yiet al. Formal specification of dynamic fault tree based on sequence failure symbol[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (9): 1255-1260. (in Chinese)
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Formal specification of dynamic fault tree based on sequence failure symbol

  • 1.

    National Key Laboratory of Complex Electronic System Simulation, Academy of Equipment, Beijing 101416, China

  • 2. Department of Scientific Research, Academy of Equipment, Beijing 101416, China

  • Received Date: 30 Sep 2011
  • Publish Date: 30 Sep 2012
    Abstract
  • The formal framework of the sequence failure symbol (SFS) was defined, including definitions, properties, rules and theorems, which is the basis of the formal specification for dynamic fault tree (DFT). Under the formal framework of the SFS, formal specifications methods and automatic conversion algorithms for any form of static fault tree (SFT) and DFT were given. An example demonstrated the effectiveness of the proposed approach. Formal specification helps to build a more rigorous mathematical theoretical system of DFT. Meanwhile, automatic conversion algorithms based on SFS's formal specification are conducive to the realization of effective computer-aided modeling for DFT.

     

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