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基于多信号流图与分支定界算法的故障诊断

梁爽 于劲松 唐荻音 姜杨

梁爽, 于劲松, 唐荻音, 等 . 基于多信号流图与分支定界算法的故障诊断[J]. 北京航空航天大学学报, 2016, 42(1): 180-186. doi: 10.13700/j.bh.1001-5965.2015.0017
引用本文: 梁爽, 于劲松, 唐荻音, 等 . 基于多信号流图与分支定界算法的故障诊断[J]. 北京航空航天大学学报, 2016, 42(1): 180-186. doi: 10.13700/j.bh.1001-5965.2015.0017
LIANG Shuang, YU Jinsong, TANG Diyin, et al. Research on fault diagnosis based on multi-signal flow graph and branch-and-bound algorithm[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(1): 180-186. doi: 10.13700/j.bh.1001-5965.2015.0017(in Chinese)
Citation: LIANG Shuang, YU Jinsong, TANG Diyin, et al. Research on fault diagnosis based on multi-signal flow graph and branch-and-bound algorithm[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(1): 180-186. doi: 10.13700/j.bh.1001-5965.2015.0017(in Chinese)

基于多信号流图与分支定界算法的故障诊断

doi: 10.13700/j.bh.1001-5965.2015.0017
详细信息
    作者简介:

    梁爽女,硕士研究生。主要研究方向:智能诊断、预测与健康管理。Tel.:010-82338693E-mail:liangshuang@buaa.edu.cn;于劲松男,博士,副教授。主要研究方向:智能测试诊断理论及工程系统开发、复杂系统故障预测与综合健康管理理论及工程应用。Tel.:010-82338693E-mail:yujs@buaa.edu.cn

    通讯作者:

    于劲松,Tel.:010-82338693E-mail:yujs@buaa.edu.cn

  • 中图分类号: TP206+.3

Research on fault diagnosis based on multi-signal flow graph and branch-and-bound algorithm

  • 摘要: 针对实时在线故障诊断问题,提出了一种基于多信号流图和分支定界算法的故障诊断方法。通过建立多信号流图模型生成相关矩阵作为诊断知识,进而由相关矩阵以及观测向量产生冲突集,使最小诊断集的求解过程映射为整数规划问题;采用分支定界算法,通过对冲突集的分支、定界以及剪支得到故障诊断的最优解,从而避免了穷举问题造成的搜索"爆炸"。以某型机载燃油系统为对象对本文提出的算法进行了验证。结果表明:本文算法与常用的多信号流图诊断推理算法TEAMS-RT相比,算法速度相当,故障定位精度更高,很好地涵盖单故障以及多故障组合,可以胜任大规模复杂系统的故障诊断。

     

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出版历程
  • 收稿日期:  2015-01-07
  • 刊出日期:  2016-01-20

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