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基于故障树的氧碘化学激光器故障分析

Fault analysis of chemical oxygen iodine laser based on fault tree

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【Author】 Zhang Zheng1,2,Cao Yiping1,Shen Zhikang2,Guan Xiaowei2 (1.College of Electronic and Information Engineering,Sichuan University,Chengdu 610064,China; 2.Northwest Institute of Nuclear Technology,Xi’an 710024,China)

【机构】四川大学电子信息学院；西北核技术研究所；

【摘要】为方便快捷地查找出氧碘化学激光器故障发生的原因,以氧碘化学激光器常见故障为例,建立了其功率失常的故障树模型,用最小割集理论按下行法对模型进行了定性分析和定量分析。分析表明:氧碘化学激光器7个子系统中,碘供给子系统的可靠性最低,氯气供给子系统次之,这与实际情况相符。计算出的氧碘化学激光器出光不正常发生概率为3.99%,其可靠度为96.01%。更多还原

【Abstract】 The paper establishes a fault tree model for chemical oxygen iodine laser(COIL) considering power abnormity as its peak affair of fault,and then makes down-way qualitative analysis and quantitative analysis with the minimum cut-set theory.It is indicated that the reliability of iodine supply subsystem is minimum,followed by the chlorine supply subsystem,in the seven subsystems of COIL.The probability at which the power of COIL is abnormal is 3.99%,that is,the reliability of laser is 96.01%.更多还原

【关键词】氧碘化学激光器；故障树；最小割集；故障分析；
【Key words】 chemical oxygen iodine laser； fault tree； minimum cut set； fault analysis；

【基金】国家高技术发展计划项目

【文献出处】强激光与粒子束 ,High Power Laser and Particle Beams , 编辑部邮箱 ,2011年12期

【分类号】TN248.5
【被引频次】4
【下载频次】61

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