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一种新的结构概率-非概率混合可靠性模型
  • ISSN号：1001-9669
  • 期刊名称：《机械强度》
  • 时间：0
  • 分类：TB114.3[理学—概率论与数理统计;理学—数学;理学—应用数学;一般工业技术]
  • 作者机构：[1]西北工业大学航空学院,西安710072
  • 相关基金：国家自然科学基金（51175425）;航空基金（2011ZA53015）
作者： 乔心州[1,2], 吕震宙[2]
关键词： 无模型抽样, SDP, 寿命分析, 重要性分析
中文摘要：

基于无模型抽样理论和态相关参数（SDP）方法，对某型液压系统寿命的可靠性和重要性进行了分析。以分配准则和距离准则为依据，以经验累积分布函数为约束，直接产生与初始样本（N〈20，N为样本容量）不确定信息相一致的大容量样本，得到了寿命区间的系统失效概率曲线。针对部件性能对系统寿命可靠性的影响程度，应用SDP方法求解各输入基于方差的重要性测度，得到部件对系统寿命可靠性的相对重要性排序为：电磁阀〉柱塞泵〉作动筒〉油滤〉活门〉油箱。表明电磁阀对系统寿命可靠性的影响最大；油箱的影响最小。此结果为改进系统可靠性水平提供依据。

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结构系统中主、客观不确定性的传播及重要性测度研究
期刊论文 87 著作 1
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期刊信息
  • 《机械强度》
  • 中国科技核心期刊
  • 主管单位:中国机械工业联合会
  • 主办单位:中国机械工程学会 郑州机械研究所
  • 主编：王长路
  • 地址：郑州市嵩山南路81号
  • 邮编：450052
  • 邮箱：jxqd@chinajournal.net.cn
  • 电话：0371-67710821
  • 国际标准刊号：ISSN：1001-9669
  • 国内统一刊号：ISSN：41-1134/TH
  • 邮发代号:36-76
  • 获奖情况:
  • 2002年12月获河南省第五届优秀科技期刊二等奖,1999年6月获国家机械工业局机械行业优秀科技期刊...,1999年2月获河南省第三届优秀科技期刊二等奖
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,荷兰文摘与引文数据库,英国科学文摘数据库,日本日本科学技术振兴机构数据库,美国应用力学评论,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:11980