摘要
民用飞机起落架抽样具有长周期、高成本的特点,样本量和抽样次数是重要的影响因素。以IP44为中心研究民用飞机起落架抽样样本量的确定问题,提出以实际机龄区间和运行环境为基础的样本分布和样本筛选方法,在此基础上运用线性分析方法对观测故障进行趋势预测分析,并建立起落架恢复间隔假设检验准则,对提出的方法进行验证分析。结果表明:基于IP44的起落架恢复任务抽样方法能够对起落架恢复任务间隔的合理性进行判断,可以指导我国自主研制民用飞机起落架恢复抽样工作。
In terms of the long period and high cost of the civil aircraft landing gearing sampling program,the sampling size and frequency are the essential factors.In this paper,the methods of confirming sampling size based on IP44,which is the core of the civil aircraft landing gearing sampling program are discussed.In addition,it is suggested that the sampling model is selected according to the actual aircraft servicing time interval and operating environment.On this basis,by using linear analysis method the failure tendency is analyzed and the assumption verification standards of the landing gear restoration task interval are established,which verify the proposed analysis methods.The results show that methods proposed in this article could justify the rationality of the landing gear restoration task interval and provide a guidance on researching and developing domestic civil aircraft landing gear restoration program independently.
作者
陈锐
赵斌
CHEN Rui;ZHAO Bin(Maintenance Engineering Department,Shanghai Aircraft Customer Service Co.,Ltd.,Shanghai 200241,China)
出处
《航空工程进展》
CSCD
2022年第2期92-98,共7页
Advances in Aeronautical Science and Engineering
关键词
民用飞机
起落架恢复
抽样
IP44
故障趋势
civil aircraft
landing gear restoration
sampling
IP44
failure trend
