Multi-objective Optimization Design of Vented Cylindrical Airbag Cushioning System for Unmanned Aerial Vehicle

被引：8
|
作者：
Shao Zhijian [1 ]
He Cheng [1 ]
Pei Jinhua [1 ]
机构：
[1] Research Institute of Pilotless Aircraft,Nanjing University of Aeronautics and Astronautics
来源：
Transactions of Nanjing University of Aeronautics and Astronautics | 2016年 / 33卷 / 02期
关键词：
airbag; vent orifice; soft landing; multi-objective optimization; unmanned aerial vehicle(UAV);
D O I：
10.16356/j.1005-1120.2016.02.208
中图分类号：
V279 [无人驾驶飞机];
学科分类号：
1111 ;
摘要：
Multi-objective optimization design of the gas-filled bag cushion landing system is investigated.Firstly,the landing process of airbag is decomposed into a adiabatic compression and a release of landing shock energy,and the differential equation of cylindrical gas-filled bag is presented from a theoretical perspective based on the ideal gas state equation and dynamic equation.Then,the effects of exhaust areas and blasting pressure on buffer characteristics are studied,taking those parameters as design variable for the multiobjective optimization problem,and the solution can be determined by comparing Pareto set,which is gained by NSGA-Ⅱ.Finally,the feasibility of the design scheme is verified by experimental results of the ground test.
引用
收藏
页码：208 / 214
页数：7
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