Algorithm Research & Explore
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1678-1682,1688

Fault diagnosis of labeled time Petri net systems based on modified state class graph

Deng Mingxi
Li Liang
Liu Bin
School of Information Science & Engineering, Wuhan University of Science & Technology, Wuhan 430081, China

Abstract

Based on labeled time Petri nets(LTPNs), this paper proposed a fault diagnosis method for discrete event systems with unobservable events. Firstly, by analyzing the deficiency of the modified state class graph(MSCG) of an LTPN system, this paper provided an improved MSCG. Secondly, it gave an observable label sequence and a time instant, it searched all the timing consistent paths by solving the linear programming problems associated with the paths in an improved MSCG, so as to analyze the system failure. Finally, it verified the effectiveness of the proposed method by taking the alternating bit protocol system as an example, which provided an effective scheme for the fault diagnosis of complex real-time systems.

Foundation Support

湖北省自然科学基金资助项目(2021CFB036)
工业控制技术国家重点实验室开放课题(ICT2021B37)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2021.11.0641
Publish at: Application Research of Computers Printed Article, Vol. 39, 2022 No. 6
Section: Algorithm Research & Explore
Pages: 1678-1682,1688
Serial Number: 1001-3695(2022)06-013-1678-05

Publish History

[2022-02-09] Accepted Paper
[2022-06-05] Printed Article

Cite This Article

邓明喜, 黎良, 刘斌. 基于修正状态类图的标签时间Petri网系统故障诊断 [J]. 计算机应用研究, 2022, 39 (6): 1678-1682,1688. (Deng Mingxi, Li Liang, Liu Bin. Fault diagnosis of labeled time Petri net systems based on modified state class graph [J]. Application Research of Computers, 2022, 39 (6): 1678-1682,1688. )

About the Journal

  • Application Research of Computers Monthly Journal
  • Journal ID ISSN 1001-3695
    CN  51-1196/TP

Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

Aiming at the urgently needed cutting-edge technology in this discipline, Application Research of Computers reflects the mainstream technology, hot technology and the latest development trend of computer application research at home and abroad in a timely manner. The main contents of the journal include high-level academic papers in this discipline, the latest scientific research results and major application results. The contents of the columns involve new theories of computer discipline, basic computer theory, algorithm theory research, algorithm design and analysis, blockchain technology, system software and software engineering technology, pattern recognition and artificial intelligence, architecture, advanced computing, parallel processing, database technology, computer network and communication technology, information security technology, computer image graphics and its latest hot application technology.

Application Research of Computers has many high-level readers and authors, and its readers are mainly senior and middle-level researchers and engineers engaged in the field of computer science, as well as teachers and students majoring in computer science and related majors in colleges and universities. Over the years, the total citation frequency and Web download rate of Application Research of Computers have been ranked among the top of similar academic journals in this discipline, and the academic papers published are highly popular among the readers for their novelty, academics, foresight, orientation and practicality.


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