系统可靠性结构识别方法

doi:10.11772/j.issn.1001-9081.2014.11.3340

计算机应用 ›› 2014, Vol. 34 ›› Issue (11): 3340-3343.DOI: 10.11772/j.issn.1001-9081.2014.11.3340

系统可靠性结构识别方法

李庆民¹,李华²,徐立²,袁伟²

1. 海军工程大学科研部,武汉 430033;
2. 海军工程大学兵器工程系,武汉 430033

收稿日期:2014-04-23 修回日期:2014-07-02 出版日期:2014-11-01 发布日期:2014-12-01
通讯作者: 李华
作者简介:
李庆民(1957-),男,山东菏泽人,教授,博士,主要研究方向:综合保障建模与仿真、保障资源规划;
李华(1972-),男,湖北黄梅人,高级工程师,博士,主要研究方向:水中兵器、军用仿真;
徐立(1987-),男,湖北荆门人,博士研究生,主要研究方向:装备综合保障、保障资源规划。
基金资助:
国防预研项目

Identification method of system reliability structure

LI Qingmin¹,LI Hua²,XU Li²,YUAN Wei²

1. Office of Research and Development, Naval University of Engineering, Wuhan Hubei 430033, China;
2. Department of Weaponry Engineering, Naval University of Engineering, Wuhan Hubei 430033, China

Received:2014-04-23 Revised:2014-07-02 Online:2014-11-01 Published:2014-12-01
Contact: LI Hua

摘要/Abstract

摘要：

针对综合保障工作中,绘制系统可靠性框图时面临着系统组成单元数量多、要求综合保障人员掌握系统原理的程度高以及收集到的系统工作数据往往不全等情况,提出一种利用系统级的工作信息和单元级的可靠性信息识别系统可靠性结构的方法。该方法利用系统级工作信息对系统可靠度进行估计,利用系统组成单元的可靠性信息,遍历所有的可靠性结构形式并计算其理论可靠度,计算系统可靠度估计值与所有可靠度理论值之间的误差,对误差进行排序后,以误差最小的前N位可靠性结构形式作为识别结果输出。仿真结果表明:对以表决为基本可靠性结构的复合系统进行识别时,该方法能以约80%的可能性将系统可选的可靠性结构形式集从全集缩小到数量仅为全集3%的子集内。

Abstract:

In integrated support engineering, the number of components in reliability block diagram is large, the level of mastering the principle of system is required to be high and the operational data is always incomplete. To resolve these problems, a method that identifies the reliability structure of system using the information of operational data and the reliability of the units was proposed. The system reliability was estimated by using the system performance information. In addition, all reliability structure models was traversed and the theoretical reliability was calculated with the system's units reliability information, then the deviations between the estimated value of system reliability and all the reliability theoretical values were calculated, and the identification results by the first N reliability structure models of the lowest deviation was outputted after sorting the deviations. The calculation results of a given example show that the combined system based on the voting reliability structure can be identified with the probability of around 80%, decreases to 3% of the scope out of all possible forms, it can significantly reduce the workload of the researcher to identify the system reliability structure.

中图分类号:

TP399

李庆民李华徐立袁伟. 系统可靠性结构识别方法[J]. 计算机应用, 2014, 34(11): 3340-3343.

LI Qingmin LI Hua XU Li YUAN Wei. Identification method of system reliability structure[J]. Journal of Computer Applications, 2014, 34(11): 3340-3343.

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系统可靠性结构识别方法

Identification method of system reliability structure

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