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《山东大学学报(理学版)》 ›› 2020, Vol. 55 ›› Issue (11): 46-57.doi: 10.6040/j.issn.1671-9352.0.2020.353

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基于SDG简化模型的工控系统数据网故障溯源方法

杨艳华1(),姚立纲2   

  1. 1. 福建江夏学院工程学院, 福建 福州 350108
    2. 福州大学机械工程及自动化学院, 福建 福州 350116
  • 收稿日期:2020-07-15 出版日期:2020-11-20 发布日期:2020-11-17
  • 作者简介:杨艳华(1976—),女,博士,副教授,研究方向为质量管理与可靠性、智能信息处理. E-mail:fzuyyh@163.com
  • 基金资助:
    国家自然科学基金资助项目(51775114);福建省中青年教育科研项目(JT180581)

Fault tracing method of industrial production control data network based on SDG simplified model

Yan-hua YANG1(),Li-gang YAO2   

  1. 1. College of Engineering, Fujian Jiangxia University, Fuzhou 350108, Fujian, China
    2. College of Mechanical Engineering and Automation, Fuzhou University, Fuzhou 350116, Fujian, China
  • Received:2020-07-15 Online:2020-11-20 Published:2020-11-17

摘要:

针对工业生产控制系统数据网的故障诊断溯源问题,提出了一种基于SDG简化模型的故障溯源解决方法。首先,基于工业生产控制系统数据网的结构特性,建立系统的SDG模型,通过分层和划域建模的方式缩小故障定位的搜索空间。在此基础上,根据业务告警发生时所提取的观测信号量,结合纵向数据和求生数据进行节点的生存分析;其次,结合工业生产系统数据网中故障特征分析,通过单节点故障判定方法判别各节点设备是否故障;最后,结合溯源诊断规则中故障溯因库的原因分类对网络故障进行根源性判定,实现故障溯源。通过测试验证的方法,验证所提方法在工业生产控制系统数据网中应用的可行性,能满足快速故障溯源的要求。

关键词: 工业生产控制系统数据网, 符号有向图, 故障传播模型, 分层划域建模, 生存分析

Abstract:

For the fault diagnosis and source tracing in industrial production control data network, this paper proposes a solution based on SDG simplified model. Firstly, a SDG model is established based on the structural characteristics of the industrial production control data network, then the search space for fault location is reduced through hierarchical and demarcated modeling method.On this basis, according to the observed signal amount extracted when the business alarm occurs, analyse the survival of the nodes based on the longitudinal data and survival data. Secondly, combined with the analysis of the characteristics of network faults, the single-node fault detemination method is used to determine whether each node device is faulty. Finally, based on the fault cause classification of the fault tracing database in the traceability diagnosis rules, the root cause of the network fault is determined. Through the test and verification method, the feasibility of the proposed method in the industrial production control data network is verified, which can meet the requirements of rapid fault tracing.

Key words: industrial production control data network, symbolic directed graph, fault propagation model, hierarchical and demarcated modeling, survival analysis

中图分类号: 

  • TP277

图1

五节点局域网结构图"

图2

分层划域SDG模型图"

图3

故障溯源分析过程图"

图4

故障溯源诊断过程"

图5

示例网络"

图6

分层SDG模型"

表1

邻接矩阵列表"

B1 B2 B3 B4 B5 B6 B7
B1 0 1 1 1 0 0 0
B2 0 0 0 0 0 0 0
B3 0 0 0 0 0 1 0
B4 0 0 0 0 0 0 0
B5 0 1 0 1 0 0 0
B6 0 0 0 0 0 0 1
B7 0 1 0 0 0 0 0

表2

可达矩阵列表"

B1 B2 B3 B4 B5 B6 B7
B1 0 1 1 0 0 1 0
B2 0 0 0 0 0 0 0
B3 0 0 0 0 0 1 0
B4 0 0 0 0 0 0 0
B5 0 0 0 1 0 0 0
B6 0 0 0 0 0 0 0
B7 0 0 0 0 0 0 0

表3

节点故障前运行情况"

C1 B6 B3 B1 A7 A3
节点运行状态 1 1 1 1 1 1
接口运行状态 8/36 6/150 4/150 6/150 9/48 4/48

表4

节点故障后运行情况"

C1 B6 B3 B1 A7 A3
节点运行状态 1 1 1 1 1 1
接口运行状态 0/36 0/150 0/150 5/150 9/48 4/48

表5

故障候选结果集各节点生存变量表"

C1 B6 B3 B1 A7 A3
0 0 0 0.833 1 1
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