地面飞行模拟器动力学建模与应用研究

Dynamic modeling and application of ground-based flight simulator

地面飞行模拟器的训练效果主要取决于动力学建模的逼真度和满足正常/特殊情况飞行任务的程度。首先,分析了影响飞机动力学特性和飞行员操作各个因素的相互关系,旨在从任务飞行、故障飞行和特殊环境条件飞行三方面拓展地面飞行模拟器的模拟能力;其次,进行了飞机空中编队、方向舵故障、雨中飞行以及非线性起落架减振支柱的仿真。研究结果表明,拓展地面飞行模拟器的应用范围是实际飞行的需要且技术可行,关注细节的部件建模更是提高地面飞行模拟器逼真度和可信度的关键。

Training efficiency of the ground-based flight simulator depends on the fidelity of dynamic modeling and how they meet the requirements of the simulator’s ability in normal and emergent flight conditions. This paper aims to widen the simulator imitation ability in operational flight,malfunction flight and special environment flight by analyzing the influential factors of the dynamic characteristics of an aircraft and the relations among factors. The paper carried out the simulating of aircraft formation flight,rudder failure,in-rain flight and nonlinear undercarriage strut. The result of a series of modeling and simulation tests suggested that widen the application range of ground-based simulator is necessary for real flight missions and is technically accessible,while attention to details of the component modeling is the key to improve the fidelity and reliability of ground-based flight simulator.