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均匀分布下系统瞬时可用度理论分析

杨懿 任思超 于永利

杨懿, 任思超, 于永利等 . 均匀分布下系统瞬时可用度理论分析[J]. 北京航空航天大学学报, 2016, 42(1): 28-34. doi: 10.13700/j.bh.1001-5965.2015.0058
引用本文: 杨懿, 任思超, 于永利等 . 均匀分布下系统瞬时可用度理论分析[J]. 北京航空航天大学学报, 2016, 42(1): 28-34. doi: 10.13700/j.bh.1001-5965.2015.0058
YANG Yi, REN Sichao, YU Yongliet al. Theory analysis of system instantaneous availability under uniform distribution[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(1): 28-34. doi: 10.13700/j.bh.1001-5965.2015.0058(in Chinese)
Citation: YANG Yi, REN Sichao, YU Yongliet al. Theory analysis of system instantaneous availability under uniform distribution[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(1): 28-34. doi: 10.13700/j.bh.1001-5965.2015.0058(in Chinese)

均匀分布下系统瞬时可用度理论分析

doi: 10.13700/j.bh.1001-5965.2015.0058
基金项目: 国家自然科学基金(61104132, 61573041)
详细信息
    作者简介:

    杨懿女,博士,副教授。主要研究方向:可靠性分析,可修系统以及控制科学工程。Tel.:010-82316879E-mail:yang_cissy@163.com

    通讯作者:

    杨懿,Tel.:010-82316879E-mail:yang_cissy@163.com

  • 中图分类号: V249.4

Theory analysis of system instantaneous availability under uniform distribution

Funds: National Natural Science Foundation of China (61104132, 61573041)
  • 摘要: 对单部件可修系统的瞬时可用度在其初期出现的波动现象进行了理论分析,介绍了现今2种可用度研究进展并分析了对瞬时可用度研究的重要性。分别讨论了系统部件的故障时间及修复时间都服从相同和不同均匀分布的情况,通过把可用度的更新方程转化为分段的时滞或常微分方程,运用初值与连续性给出了系统瞬时可用度的解析表达式。提出了判断瞬时可用度波动的方法,即判断是否存在小于稳态可用度的点,并验证了该方法的有效性。得到了无论均匀分布为何种参数组合,瞬时可用度均存在波动性的结论。最终的仿真结果和理论结果相一致。

     

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出版历程
  • 收稿日期:  2015-01-29
  • 刊出日期:  2016-01-20

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