一种无源式车架定位器设计及性能分析  

Design and performance analysis of a passive truck positioner actuator

作　　者：夏铭渊 张明[1] Xia Mingyuan;Zhang Ming(Ministerial Key Discipline Laboratory of Advanced Design Technology of Aircraft,Nanjing University of Aeronautics & Astronautics,Jiangsu Nanjing,210016,China)

机构地区：[1]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,江苏南京210016

出　　处：《机械设计与制造工程》2021年第11期81-86,共6页Machine Design and Manufacturing Engineering

摘　　要：针对国产某型号大型民机,设计了一种无源式车架定位器。基于ADAMS动力学仿真平台搭建了单个起落架着陆滑跑动力学模型。开展了单个起落架落震、模拟起飞等仿真实验,得到了车架定位器的动态特性,验证了其功能。最后对仿真结果进行了参数敏感性分析,对车架定位器性能进行了优化。This paper designs a truck positioner actuator with a passive working mode,for a domestic large-scale civil aircraft.Based on the ADAMS dynamics simulation platform,the dynamic model of the landing gear of the single landing gear is established.Simulation experiments such as single landing gear landing,taxing,and simulated take-off are carried out,and the dynamic characteristics of the truck positioner actuator are analyzed and its function is verified.The parameter sensitivity analysis is carried out on the simulation results,and the performance of the truck positioner is optimized.

关 键 词：小车式起落架 车架定位器 多体动力学 液压系统 落震仿真 

分 类 号：V226[航空宇航科学与技术—飞行器设计]