飞机拦阻钩系统动力学分析与仿真

针对飞机拦阻钩系统,研究了飞机着陆过程所受的力和力矩,分析拦阻力产生机理和作用方式,建立了对中拦阻动力学模型,应用Matlab软件对拦阻着陆过程进行全机动力学仿真技术研究,通过对飞机在着陆过程中的姿态参数与拦阻力进行分析,对不同着陆方案进行优化设计。研究结果表明,拦阻钩啮合速度越小,导致主轮接地时间与距离越长,主轮先接地余量越大,安全性越好;啮合时刻越晚,导致缓冲作动器影响越大,主轮先接地安全余量越小,安全性越差。

Dynamic Analysis and Simulation of Aircraft Arresting Hook System

The forces and moments during the landing are studied for the aircraft arresting hook system,the causes and action modes of the b arresting force are analyzed,also the dynamic model of the central arresting is established.Meanwhile,using the Matlab software,the whole aircraft dynamics simulation technology is studied in the process of arresting and landing.In addition,through the analysis of aircraft attitude parameters and arresting force,the optimization analysis of different landing schemes of the aircraft is carried out.Investigation results show that the smaller engagement speed of the arresting hook,the longer of the grounding time and distance of the main wheel.In other words,the larger first grounding allowance of the main wheel,the better the safety;the larger engagement speed of the arresting hook,the greater impact of the buffer actuator,similarly,the smaller first grounding allowance of the main wheel,the worse of the safety.