成本约束的表决冗余系统可靠度优化与分配

刘志君; 高亚奎; 章卫国

doi:10.13700/j.bh.1001-5965.2013.0765

成本约束的表决冗余系统可靠度优化与分配

doi: 10.13700/j.bh.1001-5965.2013.0765

1.
西北工业大学自动化学院, 西安 710129
2. 中国航空工业集团公司第一飞机设计研究院, 阎良 710000
3. 西北工业大学自动化学院, 西安 710129

基金项目: 航空科学基金资助项目(20125853035);国家973计划资助项目(20126131890302)

详细信息

作者简介:
刘志君(1982-),女,山东东明人,博士生,liuzhijun2001@163.com.

中图分类号: V249.4
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- 被引次数: 0
出版历程
- 收稿日期: 2014-01-13
- 网络出版日期: 2014-12-20

Reliability-redundancy optimization and allocation of voting system under cost constraint

1.
School of Automation, Northwestern Polytechnical University, Xi'an 710129, China
2. The First Aircraft Institute, Aviation Industry Corporation of China, Yanliang 710000, China
3. School of Automation, Northwestern Polytechnical University, Xi'an 710129, China

摘要

摘要: 在成本限制下,为使系统的可靠度最大,系统采用表决冗余结构,并对具有表决冗余结构的系统可靠度和冗余度同时进行优化和分配,优化方法采用增广拉格朗日乘子法和鱼群算法相结合的混合算法;不仅分析了成本与可靠度的关系,同时讨论了表决器失效率对系统可靠度的影响;最后,以某型飞机的纵向俯仰运动飞行控制系统为例,仿真说明了在成本约束下,为使系统可靠度尽可能高,系统采用四余度配置更合理,且在只有单个表决条件下,应选取可靠度尽可能高的表决器.为避免单个表决器失效对系统可靠度的影响,实际系统中常选择多表决器冗余结构.
- 可靠度 /
- 冗余度 /
- 表决器 /
- 增广拉格朗日乘子法 /
- 鱼群算法
Abstract: Voting-redundancy structure was adopted in a system to maximize the system reliability under the cost constraint. With the combination of the augmented Lagrangian multiplier method and the fish swarm algorithm, a hybrid method was employed to optimize and allocate the system reliability and redundancies. In the meanwhile, the relationship between the reliability and the cost was not only analyzed, but also the impact of the voter failure rate on the system reliability was discussed. Finally, simulation results based on the longitudinal pitch motion flight control system of a certain type aircraft verify that the quaternion configuration is more appropriate to maintain an optimal system reliability taking into account the cost limit. In addition, in the case of a single voter, the voter reliability should be selected as high as possible. Most of the actual project systems select more voters redundancies structure to avoid the impact of single voter failure on the system reliability.
- reliability /
- redundancy /
- voters /
- augmented Lagrangian multiplier method /
- fish swarm algorithm

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参考文献(16)

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