考虑关键性的多约束下辐射干扰对消装备随舰备件配置优化方法

doi:10.3969/j.issn.1001-506X.2020.02.15

摘要/Abstract

摘要：

可用度是评估备件对装备完好性影响的重要指标,针对备件关键性对装备可用性造成影响而又难以将其考虑在内建立可用度模型的问题,以舰载通信电台辐射干扰对消装备为对象,采用对备件关键性实行专家打分的方法,将备件关键性作为备件配置优化的约束之一,建立以备件费用、备件体积、备件关键性为约束的备件配置优化模型。在备件费用、体积及关键性归一化的基础上,采用权重因子方法将多约束转化为单一约束,并给出了权重因子更新方法。列举案例,分别计算了费用约束、体积约束、关键性约束和多约束下的备件方案,并对比了装备改进前后的备件配置方案,将装备使用过程中的备件保障延伸至装备可靠性设计阶段。案例分析结果表明:备件配置方法在考虑了体积、费用等限制约束下,能同时兼顾备件关键性对装备完好性的影响;装备可靠性设计时,提高装备可靠性低的现场可更换单元(line replaceable unit, LRU)等薄弱点,能有效减少装备维修保障资源。

关键词: 关键性, 备件, 多约束, 权重因子, 辐射干扰对消装备

Abstract:

Availability is an important indicator of the impact of spare parts on the integrity of the equipment. It is difficult to establish the availability model with regard to the impact with criticality key availability on equipment availability. In this paper, we take the radio interference cancellation equipment of shipboard communication station as the object, and adopt the expert scoring method for the key parts of the spare parts. This paper takes the key of spare parts as one of the constraints of spare parts configuration optimization, and establishes spare parts allocation optimization model constrained by spare parts cost, spare parts volume and spare parts key. Based on the normalization of spare parts cost, volume and key, the weight factor method is used to transform multiple constraints into a single constraint, and the updating method of weight factors is also presented. Examples are given to compare the cost constraints, volume constraints and multiple constraints. What is more, the spare parts allocation scheme before and after improvement is compared, and spare parts support in the use of equipment is extended to the equipment reliability design stage. The results show that the spare parts allocation method not only takes into account the constraints of volume and cost, but also considers the influence of the key of spare parts on the availability of equipment, which makes the decision making department more reasonable; in the design of equipment reliability, it is possible to effectively reduce equipment maintenance support resources by improving weaknesses such as LRU (line replaceable unit) with a low reliability.

Key words: key, spare part, multiple constraint, weight factor, radiation interference cancellation equipment

中图分类号:

TG142.71

周亮, 孟进, 李毅, 刘伟. 考虑关键性的多约束下辐射干扰对消装备随舰备件配置优化方法[J]. 系统工程与电子技术, 2020, 42(2): 365-373.

Liang ZHOU, Jin MENG, Yi LI, Wei LIU. Optimization method for radiation interference cancellation equipment ofship spare parts configuration with criticality under multiple constraints[J]. Systems Engineering and Electronics, 2020, 42(2): 365-373.

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等级	分数	说明
1	1~2	该分系统或设备是影响装备成功的关键(最重要)
3	3~4	该分系统或设备在装备过程中重要
4	5~6	该分系统或设备在装备过程中较重要
5	7~8	该分系统或设备在装备中重要程度一般

序号	名称	类型	装机数	MTBF/h	体积/m³	单价/万元
1	8通道对消装置	设备	1	-
1.1	取样单元1	LRU₁	4	3 000	0.7	1
1.2	合成模块1	LRU₂	1	2 000	0.3	2
1.3	权值模块1	LRU₃	4	800	0.2	10
1.4	电源模块1	LRU₄	3	6 000	0.5	1
1.5	监控模块1	LRU₅	3	1 800	0.4	4
2	2通道对消装置	设备	1	-
2.1	取样单元2	LRU₆	3	3 300	0.7	1
2.2	合成模块2	LRU₇	1	2 100	0.3	2
2.3	权值模块2	LRU₈	2	850	0.2	10
2.4	电源模块2	LRU₉	1	1 780	0.5	1
2.5	监控模块2	LRU₁₀	1	1 850	0.4	4
3	4通道对消装置	设备	1	-
3.1	取样单元3	LRU₁₁	4	2 995	0.7	1
3.2	合成模块3	LRU₁₂	1	1 995	0.3	2
3.3	权值模块3	LRU₁₃	3	780	0.2	10
3.4	电源模块3	LRU₁₄	1	1 780	0.5	1
3.5	监控模块3	LRU₁₅	1	1 760	0.4	4

名称	分值	名称	分值	名称	分值
8通道对消设备		2通道对消设备		4通道对消设备
取样单元1	1	取样单元2	1	取样单元3	1
合成模块1	1	合成模块2	1	合成模块3	1
权值模块1	1	权值模块2	1	权值模块3	1
电源模块1	3	电源模块2	3	电源模块3	3
监控模块1	5	监控模块2	5	监控模块3	5

约束/类别	总费用/万元	总体积/m³	关键度
费用	453	30.2	143
体积	518	28.1	145
关键度	515	30.8	140
综合约束	470	28.5	142

约束/类别	总费用/万元	总体积/m³	关键度
费用	297	28.1	124
体积	329	26.2	123
关键性	373	29.4	121
综合约束	329	26.2	123