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Algorithm Research & Explore
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106-112

Verification algorithm for fault prediction of stochastic discrete-event systems under permanent loss of observations

Liao Hui
Liu Fuchun
School of Computers, Guangdong University of Technology, Guangzhou 510006, China

Abstract

Aiming at the problem of permanent loss of system observations during the fault prediction of stochastic discrete-event systems(SDESs), resulting in inaccurate predictions, this paper proposed an algorithm for verification of fault prediction under permanent loss of observations. Firstly, it formalized the notion of U-predictability of SDESs under permanent loss of observations. Secondly, it constructed a U-predictor from the given system using stochastic predictors to perform fault prediction of SDESs. Based on the U-predictor, it proposed a necessary and sufficient condition and an algorithm for verifying U-predictability of SDESs, and the introduction of a pairwise approach significantly improved the complexity of the verification algorithm. Simulation results show that the verification algorithm made the fault prediction of the system accurate under permanent loss of observations. Finally, an example illustrates the application of fault prediction verification algorithm under permanent loss of observations. Compared with the existing similar algorithm, the verification algorithm has a wider range of applications and the verification results are more accurate.

Foundation Support

国家自然科学基金资助项目(61673122)
广东省自然科学基金资助项目(2019A1515010548,2020A1515010941)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2021.06.0247
Publish at: Application Research of Computers Printed Article, Vol. 39, 2022 No. 1
Section: Algorithm Research & Explore
Pages: 106-112
Serial Number: 1001-3695(2022)01-019-0106-07

Publish History

[2021-09-10] Accepted Paper
[2022-01-05] Printed Article

Cite This Article

廖辉, 刘富春. 观测永久丢失下随机离散事件系统故障预测的验证算法 [J]. 计算机应用研究, 2022, 39 (1): 106-112. (Liao Hui, Liu Fuchun. Verification algorithm for fault prediction of stochastic discrete-event systems under permanent loss of observations [J]. Application Research of Computers, 2022, 39 (1): 106-112. )

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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