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用于不确定性故障诊断的权重逻辑推理算法研究

董春玲 张勤

董春玲, 张勤. 用于不确定性故障诊断的权重逻辑推理算法研究. 自动化学报, 2014, 40(12): 2766-2781. doi: 10.3724/SP.J.1004.2014.02766
引用本文: 董春玲, 张勤. 用于不确定性故障诊断的权重逻辑推理算法研究. 自动化学报, 2014, 40(12): 2766-2781. doi: 10.3724/SP.J.1004.2014.02766
DONG Chun-Ling, ZHANG Qin. Research on Weighted Logical Inference for Uncertain Fault Diagnosis. ACTA AUTOMATICA SINICA, 2014, 40(12): 2766-2781. doi: 10.3724/SP.J.1004.2014.02766
Citation: DONG Chun-Ling, ZHANG Qin. Research on Weighted Logical Inference for Uncertain Fault Diagnosis. ACTA AUTOMATICA SINICA, 2014, 40(12): 2766-2781. doi: 10.3724/SP.J.1004.2014.02766

用于不确定性故障诊断的权重逻辑推理算法研究

doi: 10.3724/SP.J.1004.2014.02766
基金项目: 

国家自然科学基金(61402266,61273330),教育部博士学科点专项科研基金(20120002110037),中国广核集团研发项目(CNPRI-ST10P005),山东师范大学教学改革立项、实验教学改革(SYJG302108)资助

详细信息
    作者简介:

    张勤清 华大学、北京航空航天大学教授. 主要研究方向为系统可靠性, 不确定性因果表达与概率推理.E-mail: qinzhang@tsinghua.edu.cn

    通讯作者:

    董春玲 山东师范大学副教授, 北京航空航天大学计算机学院博士研究生. 主要研究方向为不确定性因果表达与概率推理, 复杂系统故障诊断与决策. 本文通信作者. E-mail: dongchunl@163.com

Research on Weighted Logical Inference for Uncertain Fault Diagnosis

Funds: 

Supported by National Natural Science Foundation of China (61402266, 61273330), Research Foundation for the Doctoral Program of China Ministry of Education (20120002110037), Development Project of China Guangdong Nuclear Power Group (CNPRI-ST10P005), and Teaching Reform and Experiment Teaching Reform Project of Shandong Normal University (SYJG 302108)

  • 摘要: 针对复杂系统故障诊断建模及推理的复杂性、数据不足、领域知识及监测信息不完备等问题, 本文基于动态不确定因果图(Dynamic uncertain causality graph, DUCG)进行权重逻辑推理(Weighted logical inference, WLI)及其数理基础的系统化研究. WLI引入绑定权重系数的逻辑事件推理机制, 可确保变量状态概率的自动归一性和链式推理的自我依赖性, 为多赋值因果关系的简洁、不完备表达提供了解决方案. 由于WLI在信息不完全性和命题真值空间的高维性等方面突破了经典数理逻辑, 为使其理论基础更为坚实, 本文进行了WLI的规范化定义、推理算法补充、运算性质探析, 并就理论相容性和自洽性开展了详细论证. 算法分析及故障诊断实验结果表明, 其高效、准确、较少依赖于参数精确性和数据完备性等特征.
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出版历程
  • 收稿日期:  2013-12-26
  • 修回日期:  2014-05-27
  • 刊出日期:  2014-12-20

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