基于加权Bradley-Terry模型的民机EWIS环境敏感度分析  

Environmental sensitivity analysis of civil aircraft EWIS based on weighted Bradley-Terry model

作　　者：肖女娥[1] 董磊[1] 赵长啸[1] 王鹏[1] XIAO Nüe;DONG Lei;ZHAO Changxiao;WANG Peng(Key Laboratory of Civil Aircraft Airworthiness Certification Technology,Civil Aviation University of China,Tianjin 300300,China)

机构地区：[1]中国民航大学民航航空器适航审定技术重点实验室

出　　处：《现代电子技术》2019年第18期50-54,59,共6页Modern Electronics Technique

基　　金：民航科技基金项目(MHRD20140208);国家自然科学基金-民航联合基金(U1533105)~~

摘　　要：电气线路互联系统(EWIS)跨越飞机各区域,受到不同环境因素的影响,对其设计、安全性评估以及维护带来极大困难.采用加权Bradley-Terry模型对机载导线的环境影响因素进行建模,在环境的强度参数的基础上,引入不同环境条件的影响权重,给出机载导线对不同环境因素的敏感度分析.分析结果表明,加权Bradley-Terry模型能够合理地处理两个环境比较无法得出优劣的情况,并定量地确定了影响导线失效的主要因素.Electrical wiring interconnection systems(EWIS) is distributed throughout the whole airplane and affected by different environmental factors,which brings great difficulty in doing the design,safety assessment and maintenance. The weighted Bradley-Terry is used to model the environmental influencing factors of EWIS. Besides the intensity parameter of environment,another parameter,the influence weight of different environment condition is introduced,and the sensitivity analysis of airborne wiring to different environments is made. The analysis results show that the weighted Bradley-Terry model can reason-ably deal with the situation where the advantages and disadvantages of the two environments cannot be obtained by comparison, and quantitatively determine the main factors making wires failure.

关 键 词：电气线路互联系统 加权Bradley-Terry模型 机载导线 配对比较法 环境敏感度 模型分析 

分 类 号：TN751.34[电子电信—电路与系统] V215.7[航空宇航科学与技术—航空宇航推进理论与工程]