某无人机液压起落架系统建模与仿真  

Modeling and simulating of a UAV hydraulic system

作　　者：卫晶[1] 任杰[2] 袁冬莉[1] 

机构地区：[1]西北工业大学自动化学院,陕西西安710029 [2]中航工业成都飞机工业(集团)有限责任公司,四川成都610031

出　　处：《电子设计工程》2014年第11期8-11,共4页Electronic Design Engineering

基　　金：国家自然科学基金(60974146)

摘　　要：某无人机液压系统主要为起落架的收放提供动力源,对其进行建模仿真能够实现参数和方案的优化,以便获得最佳的设计。基于节点法的集中参数数学建模思想,针对液压系统的动态特性仿真问题,研究了在MATLAB/SIMULINK下面向液压元件的液压系统动态特性仿真模型库的建立问题,建立各液压子系统模型,进行无人机液压起落架仿真,得到起落架收放时间短,达到某无人机起落架对响应时间的要求。A certain unmanned aerial vehicle hydraulic system mainly provides power to the landing gear system. Modeling and simulating the hydraulic system is good for optimization parameters and algorithm to obtain the better design. Aimed at the simulation characters of hydraulic system, the structure and function of hydraulic system are analyzed, and based on points focus calculation, the mathematic models of components for hydraulic pump, brake valve, brake cylinder and so on are established to the hydraulic system. Simulation experiment based on Matlab/Simulink proves that the duration of system meets the requirement of the UAV.

关 键 词：无人机 液压系统 起落架 节点法 

分 类 号：V227.4[航空宇航科学与技术—飞行器设计]