复杂情境下的核电系统可靠性
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TL364

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上海市自然科学基金(19ZR1420700);上海市科委地方能力建设项目(18020500900);上海市电站自动化技术重点实验室(13DZ2273800)


Research on the Reliability of Nuclear Power System in Complex Situation
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Shanghai Natural Science Foundation (19ZR1420700); Shanghai Municipal Science and Technology Commission Local Capacity Building Project (18020500900); Shanghai Key Laboratory of Power Station Automation Technology (13DZ2273800)

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    摘要:

    为提高复杂情境下的核电系统可靠性,保证核电系统安全运行,采用证据网络对核电不确定信息问题进行分析、建模、推理和评估,有效地处理和表达专家语言变量,同时解决非布尔逻辑关系和多状态变量的问题,建立核电系统可靠性模型。提出一种将语言数据转换成基本信度指派函数的方法,对于在故障树映射到证据网络中存在的非布尔逻辑关系,建立一种新的条件信度表,在前人对多状态变量研究的基础上,解决复杂情境下的核电系统可靠性问题。研究结果表明,实验结果符合预期,建立的可靠性模型对研究核电系统可靠性有一定的借鉴作用。

    Abstract:

    In order to improve the reliability of nuclear power system in complex situation and ensure the safety of nuclear power systems, evidence network is used to analyze, model, reason and evaluate nuclear power uncertain information problems, which can effectively process and express expert language variables, and solve the problem of Boolean logic relationship and multi-state variables establishes the reliability model of nuclear power system. A new method is proposed on converting linguistic data into basic belief assignment function. For the non-Boolean logic relationship that exists in the fault tree mapped to the evidence network, a new conditional belief table is established, and the reliability of nuclear power systems in complex situations is solved. The results show that the experimental results are in line with expectations. The established reliability model can be used as a reference for studying the reliability of nuclear power systems.

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周 洁,苏晓燕,钱 虹. 复杂情境下的核电系统可靠性[J]. 科学技术与工程, 2021, 21(17): 7103-7109.
zhoujie, qianhong. Research on the Reliability of Nuclear Power System in Complex Situation[J]. Science Technology and Engineering,2021,21(17):7103-7109.

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  • 收稿日期:2020-09-08
  • 最后修改日期:2021-03-26
  • 录用日期:2021-02-16
  • 在线发布日期: 2021-07-02
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