水下航行器航行任务可靠度综合评定法  

Comprehensive Assessment Method for Navigation Mission Reliability of Undersea Vehicle

作　　者：罗晓强[1] 王浩 侯发林 LUO Xiao-qiang;WANG Hao;HOU Fa-lin(91388th Unit,The People’s Liberation Army of China,Zhanjiang 524022,China;92819th Unit,The People’s Liberation Army of China,Dalian 116041,China)

机构地区：[1]中国人民解放军91388部队 [2]中国人民解放军92819部队

出　　处：《水下无人系统学报》2018年第4期348-351,357,共5页Journal of Unmanned Undersea Systems

摘　　要：水下航行器航行任务可靠度的传统考核方法是将非全航程的条次当作全航程条次统计,不符合指标剖面要求。针对传统考核方法存在的不足,提出将航行过程看成是寿命服从指数分布型的综合评定方法,该方法统计各条次的实航时间,结合其他分系统的试验数据,利用L-M法综合折算总的试验任务条次数及失效数,以基于二项分布的置信下限法计算任务可靠度最低可接受值,并以此判断任务可靠度是否满足指标要求。研究表明,该方法解决了传统考核方法的不足,实施容易、操作简单、结论可靠,提高了试验效率。Conventional reliability assessment method of undersea vehicle navigation mission regards incomplete course statistics as whole course statistics,which does not meet the requirements of the specification profile.In view of the shortcomings of conventional assessment methods,a comprehensive assessment method is proposed,which the navigation process is considered to be an exponential distribution of life,and the time of actual navigation is counted and converted into a mission equivalent number according to the time of the whole course.Combining with other subsystems’trial data,the L-M method is used to calculate the number of times and the number of failures of the total sea trial task.The smallest acceptable value of mission reliability is calculated with the lower confidence limit method based on the binomial distribution for determining whether the reliability of the task meets the requirement.It is concluded that the proposed method solves the shortcomings of the conventional assessment method,and is easy in implement,simple in operation,and reliable in assessment,and this method can greatly reduce the number of trial times and improve the efficiency of trial.

关 键 词：水下航行器 任务可靠度 L-M法 二项分布 置信下限 实航试验 

分 类 号：TJ630.6[兵器科学与技术—武器系统与运用工程] TB114.37[理学—概率论与数理统计]