北京航空航天大学学报 ›› 2014, Vol. 40 ›› Issue (4): 575-578.doi: 10.13700/j.bh.1001-5965.2013.0295

• 论文 • 上一篇    

计数型序贯截尾试验方案的计算与选择

余闯, 王晓红, 李秋茜   

  1. 北京航空航天大学 可靠性与系统工程学院, 北京 100191
  • 收稿日期:2013-05-27 出版日期:2014-04-20 发布日期:2014-05-07

Calculation and selection of sequentially truncated test scheme

Yu Chuang, Wang Xiaohong, Li Qiuxi   

  1. School of Reliability and Systems Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China
  • Received:2013-05-27 Online:2014-04-20 Published:2014-05-07

摘要: 研究了计数型序贯试验方案两类风险真实值的计算方法,编程实现了对试验截尾方案的计算.对试验方案进行分析并研究了定数试验与序贯试验的关系,提出了在试件数量受限的情况下确定试验方案的两种方法:适度放宽风险要求,调整接收、拒收线.后者可在保持两类风险不变的情况下降低最大所需试件数.通过这两种方法,能根据具体试验要求灵活地确定试验方案,可使最大所需试件数减少约30%的同时,两类风险或平均所需试件数增大不超过10%.

Abstract: The method for calculating the two types of risk's real value under sequential test scheme was researched, and software for calculating the truncation scheme of test was programed. Then test scheme was analyzed and the relationship between truncated sequential test and fixed number test was studied. Two methods to select the test scheme in the specimen number limited conditions was put forward, the first method is to modest relaxation of risk requirements, and the second is to adjust the test's reception line and reject line which could decrease the maximum required number of trials and keep the two types of risk unchanged. These two methods could determine the testing program flexibly under the specific test requirements, which allow the maximum required number of trials decrease about 30% with the two types of risk or minimum required number of trials increase less than 10%.

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