基于飞参数据的飞机起落架地面受载状态分析  

Ground Load Analysis of Aircraft Landing Gear Based on the Flight Data

作　　者：顾项颖 宋晨[1,2] 马铁林 张晓鸥 Gu Xiangying;Song Chen;Ma Tielin;Zhang Xiao’ou(School of Aeronautic Science and Engineering,Beihang University,Beijing 100191,China;Unmanned System Institute Beihang University,Beijing 100191,China)

机构地区：[1]北京航空航天大学航空科学与工程学院,北京100191 [2]北京航空航天大学无人系统研究院,北京100191

出　　处：《航空工程进展》2019年第A01期1-5,11,共6页Advances in Aeronautical Science and Engineering

基　　金：国家重点研发计划项目(2017YFB0503002).

摘　　要：起落架是飞机起飞和着陆过程中的关键部件,其结构强度的优劣直接影响着飞机的起飞和着陆安全。针对某飞机依据强度和刚度规范设计出的起落架在某次着陆阶段出现的损伤故障,利用飞机的飞参数据,从中提取飞机着陆时的姿态与运动信息,分析飞机起落架的地面载荷信息。结果表明:由飞参数据提取的载荷状态信息,相较于规范载荷工况更接近于实际损伤模式。The landing gear is a key part of the aircraft during take off and landing.The strength of its structure directly affects the safety in the take-off and landing process.The landing gear of the aircraft is designed in accordance with the strength and rigidity specification.The attitude and motion information during landing process from flight data of a certain aircraft are extracted to analyze the ground loads of the landing gear.The results show that the analysis based on flight date is more accurate than on the specification and three-dimensional load may be one of the causes for the damage of landing gear.

关 键 词：结构强度 地面载荷 起落架 飞参数据 

分 类 号：V215[航空宇航科学与技术—航空宇航推进理论与工程]