轮胎参数对双轮式起落架刹车耦合振动影响研究  

Research on the influence of tire parameters on coupled brakeinduced vibration of telescopic landing gear with two wheels

作　　者：冯广 尹乔之[3,4] 杨乐[1] 张颂旸 宋佳翼 FENG Guang;YIN Qiaozhi;YANG Le;ZHANG Songyang;SONG Jiayi(AVIC Landing-gear Advanced Manufacturing Co.,Changsha 410200,China;College of Mechanical and Electrical Engineering,Central South University,Changsha 410083,China;State Key Laboratory of Mechanics and Control for Aerospace Structures,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China;Key Laboratory of Fundamental Science for National Defense-Advanced Design Technology of Flight Vehicle,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China)

机构地区：[1]中航飞机起落架有限责任公司,长沙410200 [2]中南大学机电工程学院,长沙410083 [3]南京航空航天大学航空航天结构力学及控制全国重点实验室,南京210016 [4]南京航空航天大学飞行器先进设计技术国防重点学科实验室,南京210016

出　　处：《航空工程进展》2023年第6期56-62,共7页Advances in Aeronautical Science and Engineering

基　　金：国家自然科学基金(52375102);航空科学基金(202000410520002);中国博士后科学基金(2021M691565);中央高校基本科研业务费专项资金(NS2023005);南京航空航天大学前瞻布局科研专项资金;江苏高校优势学科建设工程资助项目。

摘　　要：目前对飞机起落架低频刹车耦合振动问题的研究主要停留在考虑轮胎参数影响的起落架纵向单自由度振动特性分析,对于多自由度低频刹车耦合振动的特性研究不足。基于Simcenter 3D动力学分析软件建立双轮支柱式起落架刚柔耦合整机滑跑刹车分析模型,研究轮胎竖向刚度和侧偏刚度对双轮支柱式起落架低频刹车纵向、横向和扭转的多自由度耦合振动的影响。结果表明:轮胎的竖向刚度对起落架横向和扭转方向上的振动影响较大,轮胎竖向刚度变化33%,横向和扭转方向上的振动变化5%左右;轮胎的侧偏刚度对起落架低频刹车横向上的振动影响较大,轮胎侧偏刚度变化33%,横向上的振动变化15%左右。Currently,the research on the low-frequency brake coupling vibration of aircraft landing gear mainly focuses on the analysis of the longitudinal single degree of freedom vibration characteristics of landing gear considering the influence of tire parameters,but the research on the multi-degree-of-freedom low-frequency brake coupling vibration characteristic is relatively lacking.A taxiing and braking analysis model for rigid-flexible coupling of two-wheel strut landing gear is established in the Simcenter 3D dynamics analysis software.The effect of wheel vertical stiffness and cornering stiffness on multi-freedom coupling vibration of telescopic landing gear with two wheels is studied.The results show that the vertical stiffness of the tire is of a great influence on the vibration of the landing gear in the lateral and torsional direction.The vertical stiffness of the tire changes by 33%and the vibration in the lateral and torsional direction changes by about 5%.The cornering stiffness of the tire is of a great influence on the vibration of the landing gear in the lateral.The cornering stiffness of the tire changes by 33%and the vibration in the lateral direction changes by about 15%.

关 键 词：双轮起落架 刚柔耦合模型 耦合振动 非对称刹车 

分 类 号：V226[航空宇航科学与技术—飞行器设计]