Analysis of real-time system conflict based on fuzzy time Petri nets

  • Authors:
  • Zhao Tian;Zun-Dong Zhang;Yang-Dong Ye;Li-Min Jia

  • Affiliations:
  • State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing, China;State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing, China and School of Transportation Science and Engineering, Beijing University of Aeronautics and Ast ...;School of Information Engineering, Zhengzhou University, Zhengzhou, China;State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing, China

  • Venue:
  • Journal of Intelligent & Fuzzy Systems: Applications in Engineering and Technology
  • Year:
  • 2014

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Abstract

The time uncertainty and the resource conflict are two very important aspects in modeling and analyzing real-time system. The paper defines a kind of Fuzzy Time Petri Nets FTPN to simulate the behavior of real-time system limited by time. It studies the conflict with time attribute and space-time collision in real-time system and utilizes time constraints property and the collision possibility to resolve the conflict through knowledge reasoning of fuzzy time interval. Compared with existing methods of conflict analysis and resolution, it takes into account the uncertainty of the time with the system of conflict and contact behavior, which could be better to simulate and analyze real-time system in reality.