| 某型无人机主起落架缓冲器设计及仿真分析 |
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| 引用本文： | 郭瑞,冯蕴雯,潘文廷.某型无人机主起落架缓冲器设计及仿真分析[J].航空计算技术,2009,39(6):14-17. |
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| 作者姓名： | 郭瑞 冯蕴雯 潘文廷 |
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| 作者单位： | 1. 西北工业大学,航空学院,陕西,西安,710072
2. 第一飞机设计研究院,陕西,西安,710089 |
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| 基金项目： | 国家自然科学基金资助项目，航空科学基金资助项目 |
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| 摘 要： | 根据某型无人机总体方案的设计要求在初步设计出的起落架缓冲器结构与缓冲器主要初始充填参数的基础上，利用MSC公司开发的虚拟样机技术软件ADAMS建立起该型号无人机的主起落架缓冲器数值模型，对模型进行了仿真分析，将仿真结果与经验公式计算值进行比较，两者一致性较好，表明模型建立比较准确。接着依据缓冲器优化准则通过仿真测试对影响起落架缓冲性能较大的阻尼油孔进行优化设计，在有效提高缓冲器缓冲效率的基础上，得到了最佳的阻尼油孔面积。为我国在无人机起落架设计中应用虚拟样机技术提供了方法参考。
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| 关 键 词： | 无人机起落架 缓冲器 主油孔面积 仿真试验 优化设计 |
Main Landing Gear Shock Absorber Dynamic Simulation Design and Simulation Analysis for Certain Model Unmanned Aircraft |
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| GUO Rui,FENG Yun-wen,PAN Wen-ting.Main Landing Gear Shock Absorber Dynamic Simulation Design and Simulation Analysis for Certain Model Unmanned Aircraft[J].Aeronautical Computer Technique,2009,39(6):14-17. |
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| Authors: | GUO Rui FENG Yun-wen PAN Wen-ting |
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| Institution: | GUO Rui, FENG Yun- wen , PAN Wen- ting ( 1. College of Aeronautics, Northwestern Polytechnical University, Xi＇an 710072, China ; 2. The First Aircraft Design Institute, Xi＇an 710089, China) |
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| Abstract: | Accroding to the requirements of conceptual design of certain model unmanned aircraft,basing on the initial landing gear structural design and the primary filling parameters of the shock absorber,the unmanned aircraft main landing gear shock absorber digital model was established by virtual prototyping software MSC Adams.Consequently the dynamic simulation was applied to the digital model.There is a good correspondence between the output parameters of simulation and calculating according as experience formu... |
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| Keywords: | unmanned aircraft landing gear shock absorber main orifice area simulation test optimal design |
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