| 无人机液压弹射滑行小车缓冲系统仿真研究 |
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| 引用本文： | 唐友亮.无人机液压弹射滑行小车缓冲系统仿真研究[J].液压与气动,2018,0(2):46-51. |
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| 作者姓名： | 唐友亮 |
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| 作者单位： | 宿迁学院 机电工程学院, 江苏 宿迁 223800 |
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| 基金项目： | 江苏高校品牌专业建设工程资助项目(PPZY 2015C252);宿迁市科技支撑计划资助项目(M201612) |
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| 摘 要： | 以无人机液压弹射滑行小车缓冲系统为研究对象,给出了无人机弹射后滑行小车缓冲制动的工作原理,建立了小车缓冲系统的数学模型。基于Simulink软件对其进行求解并仿真研究了高速滑行小车缓冲制动动态性能,分析了溢流阀通径、溢流阀开启压力、液压马达排量、无人机弹射速度及小车质量对缓冲压力和小车制动位移的影响规律。结果表明:液压马达排量增大对缓冲压力增幅和小车制动位移减幅有明显影响;溢流阀通径增大有助于降低缓冲压力,但其对小车制动位移影响较小;溢流阀开启压力增大,小车缓冲制动位移和缓冲压力均显著增大;弹射速度、滑行小车质量增大,小车缓冲制动位移也增大。
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| 收稿时间： | 2017-09-20 |
Simulation Research on Buffer System for Sliding Trolley of UAV Hydraulic Ejection |
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| TANG You-liang.Simulation Research on Buffer System for Sliding Trolley of UAV Hydraulic Ejection[J].Chinese Hydraulics & Pneumatics,2018,0(2):46-51. |
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| Authors: | TANG You-liang |
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| Affiliation: | School of Mechanical and Electrical Engineering, Suqian College, Suqian, Jiangsu 223800 |
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| Abstract: | Taking a hydraulic ejection sliding trolley buffer system of UAV as the research object, we present the working principle of sliding trolley hydraulic buffer brake process. The mathematical model of sliding trolley during the buffer brake process is established, which is solved based on the Simulink software. And the buffer performances of high speed sliding trolley are given. The influence of relief valve diameter, opening pressure of relief valve, hydraulic motor displacement, ejection speed of UAV and mass of sliding trolley on buffer pressure and brake displacement is analyzed and simulated. The results show that the increase of buffer pressure and the decrease of brake displacement are remarkable with the increase of hydraulic motor displacement, and the increase of relief valve diameter is conductive to reduce the buffer pressure and has a little influence on the growth of brake displacement, and the buffer pressure and the brake displacement increase significantly with the opening pressure of relief valve, and the brake displacement of sliding trolley increases with the increase of ejection speed and mass of sliding trolley. |
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