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Confusion Control in Generalized Petri Nets Using Synchronized Events

Author

Listed:
  • Xiaoliang Chen
  • Gaiyun Liu
  • Naiqi Wu
  • Abdulrahman M. Al-Ahmari
  • Abdulaziz Mohammed El-Tamimi
  • Emad S. Abouel Nasr

Abstract

The loss of conflicting information in a Petri net (PN), usually called confusions, leads to incomplete and faulty system behavior. Confusions, as an unfortunate phenomenon in discrete event systems modeled with Petri nets, are caused by the frequent interlacement of conflicting and concurrent transitions. In this paper, confusions are defined and investigated in bounded generalized PNs. A reasonable control strategy for conflicts and confusions in a PN is formulated by proposing elementary conflict resolution sequences (ECRSs) and a class of local synchronized Petri nets (LSPNs). Two control algorithms are reported to control the appeared confusions by generating a series of external events. Finally, an example of confusion analysis and control in an automated manufacturing system is presented.

Suggested Citation

  • Xiaoliang Chen & Gaiyun Liu & Naiqi Wu & Abdulrahman M. Al-Ahmari & Abdulaziz Mohammed El-Tamimi & Emad S. Abouel Nasr, 2015. "Confusion Control in Generalized Petri Nets Using Synchronized Events," Mathematical Problems in Engineering, Hindawi, vol. 2015, pages 1-23, September.
    • Handle: RePEc:hin:jnlmpe:636959
    DOI: 10.1155/2015/636959
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