陈卉.民用飞机LRU规划的维修性因素研究[J].民用飞机设计与研 究,2020(2):51-54CHEN Hui.[J].Civil Aircraft Design and Research,2020,(2):51-54.
民用飞机LRU规划的维修性因素研究
  
DOI:10.19416/j.cnki.1674-9804.2020.02.011
中文关键词:航线可更换单元(LRU)  维修性  民用飞机  分解
英文关键词:Line Replaceable Unit (LRU)  maintainability  civil aircraft  decomposition
基金项目:
作者单位
陈卉 上海飞机设计研究院上海 201210 
中文摘要:对航线可更换单元(Line Replaceable Unit,简称LRU)规划的维修性因素展开了探讨。对于民用飞机而言,航线可更换单元规划得好坏决定维修性设计的优劣。阐述了航线可更换单元的含义,引入了飞机系统结构分解的概念,介绍了航线可更换单元确定的流程,建立了确定流程图,并分析了维修性因素在LRU规划中的作用。 通过考虑LRU与平均修复时间(MTTR)之间的关系,详细介绍了基于LRU规划的MTTR实现。该研究对后续LRU规划和维修性设计具有一定的指导意义。
英文摘要:This paper explores the maintainability factors of Line Replaceable Unit (LRU) divisions. For civil aircraft, the quality of LRU divisions directly determines the pros and cons of maintainability design. This paper illustrates the meaning of LRU and introduces the concept of aircraft structural decomposition and the LRU determination process. The flow chat was established. The role of maintainability factors in LRU divisions was analyzed. By considering the relationship between LRU and MTTR, the MTTR impementation based on LRU divisions was introduced. The research in this paper has certain guiding significance for subsequent LRU divisions and maintainability design.
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