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不完备信息条件下的并发故障诊断方法

孙伟超 许爱强 李文海

孙伟超, 许爱强, 李文海等 . 不完备信息条件下的并发故障诊断方法[J]. 北京航空航天大学学报, 2016, 42(7): 1449-1460. doi: 10.13700/j.bh.1001-5965.2015.0433
引用本文: 孙伟超, 许爱强, 李文海等 . 不完备信息条件下的并发故障诊断方法[J]. 北京航空航天大学学报, 2016, 42(7): 1449-1460. doi: 10.13700/j.bh.1001-5965.2015.0433
SUN Weichao, XU Aiqiang, LI Wenhaiet al. Diagnosis method of simultaneous fault with incomplete information[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(7): 1449-1460. doi: 10.13700/j.bh.1001-5965.2015.0433(in Chinese)
Citation: SUN Weichao, XU Aiqiang, LI Wenhaiet al. Diagnosis method of simultaneous fault with incomplete information[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(7): 1449-1460. doi: 10.13700/j.bh.1001-5965.2015.0433(in Chinese)

不完备信息条件下的并发故障诊断方法

doi: 10.13700/j.bh.1001-5965.2015.0433
基金项目: 总装武器装备预研基金(9140A27020214JB14436)
详细信息
    作者简介:

    孙伟超 男,博士,助理研究员。主要研究方向:智能故障诊断。Tel.: 18653579273 E-mail: ben_phoenix@163.com;许爱强 男,博士,教授,博士生导师。主要研究方向:复杂电子装备故障诊断。Tel.: 0535-6635836 E-mail: xuaq6342@yahoo.com.cn

    通讯作者:

    许爱强,Tel.: 0535-6635836 E-mail: xuaq6342@yahoo.com.cn

  • 中图分类号: TP181;V24

Diagnosis method of simultaneous fault with incomplete information

  • 摘要: 在实际的装备故障诊断过程中,经常存在测试信息不完整的情况,而此时对并发故障进行诊断,则更为困难。针对这种情况,首先,对目前应用于不完备信息条件下的故障诊断方法以及并发故障诊断方法进行了分析。定义了不完备并发故障诊断决策系统对存在缺失的测试信息进行表述。提出了不完备边界粗糙熵对决策系统的不确定性进行度量,给出每条测试属性的重要度,同时给出了不完备信息条件下属性值频率的计算方法。然后,为了对并发故障进行诊断,在DSmT框架下构建了并发故障诊断模型,在此模型下提出一种融合证据特征的区间信度合成规则。最后,通过故障诊断实例,验证了方法的有效性和适用性。

     

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出版历程
  • 收稿日期:  2015-06-30
  • 刊出日期:  2016-07-20

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