起落架着陆动态仿真分析模型及参数优化设计

Dynamic Simulation Model and Parameter Optimization for Landing Gear Impact

以支柱式起落架飞机为原型 ,建立了一个适用于 ADAMS软件的起落架着陆动态性能分析模型 ,并进行了仿真分析和参数优化设计。仿真分析结果与试验结果比较有着较好的一致性 ,参数优化设计有着很好的参考价值。研究结果表明 ,基于 ADAMS软件进行飞机起落架仿真分析是切实可行的 ,从而为在 ADAMS软件基础上进一步开发飞机起落架数值样机作出了有意义的尝试。此外 ,与编写 FORTRAN源程序比较 ,利用 ADAMS软件可节省大量的人力与时间 ,精度可靠 ,便于优化分析与改进设计 。

A model for dynamic analysis of a post landing gear is established based on ADAMS software. The software can accurately simulate dynamic properties of mechanical system. The dynamic simulation and parameter optimization can be conducted by the software. The output curves and results have a good correspondence. Parameter optimization is worthy of reference. Result shows that the digital simulation is feasible by ADAMS software. It makes significant attempt for exploiting digital model of landing gear further based on ADAMS software. Compared with a generic FORTRAN source code, using the ADAMS we can save a lot of time, get reliable precision. Besides the optimization and improving design are convenient and simulation of general mechanical products can be performed.