飞机起落架滑行试验系统的设计与验证

2019 IEEE 1st International Conference on Civil Aviation Safety and Information Technology (ICCASIT) Pub Date : 2019-10-01 DOI:10.1109/iccasit48058.2019.8973184

Zhanhai Wang, Qi Chen

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引用次数: 0

摘要

为了研究飞机起落架的动态特性，提出了一种飞机起落架半物理模拟滑行试验系统，在实验室中模拟飞机在不同跑道上的滑行。采用有限元法和MSC对飞机起落架试验台的动力性能进行了分析。Patran / Nastran软件。为了避免试验加载设备的激励频率与试验台第一阶固有频率之间的耦合，采用参数优化的方法提高试验台的固有频率，并利用EASY5对飞机起落架滑行试验系统液压系统进行建模和仿真。结果表明，优化后的台架动态性能和强度满足设计要求，液压系统仿真结果与实际运行基本一致。

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Design and Verification of an Aircraft Landing Gear Taxiing Test System

In order to study the dynamic characteristics of aircraft landing gear, a semi-physical simulation taxiing test system for aircraft landing gear is proposed, to simulate aircraft taxiing on different runway in the laboratory. The dynamic performance of aircraft landing gear test bench is analyzed by using finite element method and MSC.Patran/Nastran software. In order to avoid the coupling between the excitation frequency of the test loading equipment and the first natural frequency of the bench, Method of optimizing parameters is used to improve natural frequency of the bench, and EASY5 is used to model and simulate the hydraulic system of the aircraft landing gear taxiing test system. The results show that the dynamic performance and strength of the optimized bench meet the design requirements, and the hydraulic system simulation results are basically consistent with the actual operation.

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来源期刊

2019 IEEE 1st International Conference on Civil Aviation Safety and Information Technology (ICCASIT)

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