CAJ | 학술논문

以某无人机支柱式主起落架为例，基于LMS Virtual．Lab Motion和LMS Imagine．Lab AMES-im开展联合仿真，首先利用VL Motion建立主起落架落震动力学分析模型，再根据缓冲器参数建立AMESim缓冲器液压模型，最后通过两个软件的联合仿真，计算该无人机主起落架的缓冲性能。以油针几何形状为设计变量，基于iSIGHT优化平台集成AMESim建立该无人机主起落架的缓冲器优化流程，通过优化计算得到该油针的最佳截面积参数，缓冲器最大轴向力降低了10．49％，缓冲器效率提高了12．54％。
이모무인궤지주식주기락가위례，기우LMS Virtual．Lab Motion화LMS Imagine．Lab AMES-im개전연합방진，수선이용VL Motion건립주기락가락진동역학분석모형，재근거완충기삼수건립AMESim완충기액압모형，최후통과량개연건적연합방진，계산해무인궤주기락가적완충성능。이유침궤하형상위설계변량，기우iSIGHT우화평태집성AMESim건립해무인궤주기락가적완충기우화류정，통과우화계산득도해유침적최가절면적삼수，완충기최대축향력강저료10．49％，완충기효솔제고료12．54％。
Based on LMS Virtual .Lab Motion and LMS Imagine .Lab AMESim, it takes a certain type of main land-ing gear of an unmanned aircraft as an example to carry out combined simulation .First , it applies the VL Motion software to build the dynamical model of drop simulation of the main landing gear , uses the AMESim software to es-tablish the hydraulic model of the landing gear .Based on the combined simulation of two softwares , it analyzes the buffer performance of the unmanned aircraft main landing gear .Then, it choises the metering pin area of section as the design variable , designs the optimization of the landing gear buffer system combined with AMESimd in iSIGHT , obtains the optimal parameters of the metering pin area of section .The results show that the buffer axial force is re-duced 10.49%, and the efficiency of buffer is improved 12.54%at the same time after the optimization .