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In order to solve the current situation that hydraulic turbine fault diagnosis relies excessively on expert experience and has low efficiency, the historical data of hydraulic turbine fault and relevant expert experience were used to establish the fault tree model for seeking the mapping between risk hidden danger and fault diagnosis. Through the conversion of fault tree model and Bayesian network model, the probability importance and sensitivity of root node were deeply studied by using the reverse diagnosis technology of Bayesian network. Hydraulic turbine components and fault causes were inferred to realize the fault diagnosis.

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为解决水轮机故障诊断过度依赖专家经验且效率低的现状,利用水轮机故障历史数据和相关专家经验,建立故障树模型,寻求风险隐患和故障诊断之间的映射,通过故障树模型和贝叶斯网络模型的转换,利用贝叶斯网络的反向诊断技术深入研究根节点的概率重要度和敏感性,推理出导致故障发生的水轮机部件及故障原因,实现对水轮机的故障诊断。

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孙少楠(1974-),男,博士、副教授,研究方向为BIM技术、水利工程施工组织与管理,E-mail:

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孙少楠(1974-),男,博士、副教授,研究方向为BIM技术、水利工程施工组织与管理,E-mail:

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孙少楠(1974-),男,博士、副教授,研究方向为BIM技术、水利工程施工组织与管理,E-mail:

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基于贝叶斯网络的水轮机故障诊断研究
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孙少楠 , 李博宇 , 聂相田
水电能源科学 | 机电与控制工程 2023,41(3): 190-194
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水电能源科学 | 机电与控制工程 2023, 41(3): 190-194
基于贝叶斯网络的水轮机故障诊断研究
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孙少楠 , 李博宇, 聂相田
作者信息
  • 华北水利水电大学水利学院,河南 郑州 450000
  • 孙少楠(1974-),男,博士、副教授,研究方向为BIM技术、水利工程施工组织与管理,E-mail:

Research on Fault Diagnosis of Hydraulic Turbine Based on Bayesian Network
Shao-nan SUN , Bo-yu LI, Xiang-tian NIE
Affiliations
  • School of Water Conservancy, North China University of Water Resources and Electric Power, Zhengzhou 450000, China
出版时间: 2023-03-25 doi: 10.20040/j.cnki.1000-7709.2023.20221086
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为解决水轮机故障诊断过度依赖专家经验且效率低的现状,利用水轮机故障历史数据和相关专家经验,建立故障树模型,寻求风险隐患和故障诊断之间的映射,通过故障树模型和贝叶斯网络模型的转换,利用贝叶斯网络的反向诊断技术深入研究根节点的概率重要度和敏感性,推理出导致故障发生的水轮机部件及故障原因,实现对水轮机的故障诊断。

贝叶斯网络  /  故障诊断  /  故障树  /  敏感性分析

In order to solve the current situation that hydraulic turbine fault diagnosis relies excessively on expert experience and has low efficiency, the historical data of hydraulic turbine fault and relevant expert experience were used to establish the fault tree model for seeking the mapping between risk hidden danger and fault diagnosis. Through the conversion of fault tree model and Bayesian network model, the probability importance and sensitivity of root node were deeply studied by using the reverse diagnosis technology of Bayesian network. Hydraulic turbine components and fault causes were inferred to realize the fault diagnosis.

Bayesian networks  /  fault diagnosis  /  fault trees  /  sensitivity analysis
孙少楠, 李博宇, 聂相田. 基于贝叶斯网络的水轮机故障诊断研究. 水电能源科学, 2023 , 41 (3) : 190 -194 . DOI: 10.20040/j.cnki.1000-7709.2023.20221086
Shao-nan SUN, Bo-yu LI, Xiang-tian NIE. Research on Fault Diagnosis of Hydraulic Turbine Based on Bayesian Network[J]. Water Resources and Power, 2023 , 41 (3) : 190 -194 . DOI: 10.20040/j.cnki.1000-7709.2023.20221086
  • “新基建”项目(2020JGLX045)
  • 国家自然科学基金资助项目(72271091; 51709115)
  • 河南省重点研发与推广专项(科技攻关)项目(182102210066)
2023年第41卷第3期
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文章信息
doi: 10.20040/j.cnki.1000-7709.2023.20221086
  • 接收时间:2022-05-22
  • 首发时间:2026-01-28
  • 出版时间:2023-03-25
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出版历史
  • 收稿日期:2022-05-22
  • 修回日期:2022-08-06
基金
“新基建”项目(2020JGLX045)
国家自然科学基金资助项目(72271091; 51709115)
河南省重点研发与推广专项(科技攻关)项目(182102210066)
作者信息
    华北水利水电大学水利学院,河南 郑州 450000
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2种不同金属材料的力学参数

Family
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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