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在飞行模拟器研制过程中,为使飞行仿真系统能够高逼真度的模拟大气扰动对飞行的影响,需要建立各种风场模型。本文分析了微下击暴流的特征和用于飞行实时仿真中的建模需求。针对真实微下击暴流风场的特点,设计了不同强度及位置的微下击暴流,从而逼真地模拟复杂的微下击暴流风场。基于飞机与微下击暴流的相对位置关系插值计算微下击暴流产生的风场模型,使用该建模方法可重配置,能应用于变化风场中的飞行实时仿真,有助于提高模拟飞行训练效果。
During the flight simulator development, in order to make the flight simulation system simulate the impact of atmospheric disturbance on flight with high fidelity, various wind field models need to be established. This paper analyzes the characteristics of microburst and the modeling requirements for real-time flight simulation. According to the characteristics of the real micro-blowout wind farm, microburst with different intensities and locations is designed to simulate the complicated micro-blowout wind field. Based on the relative positional relationship between aircraft and microburst, interpolating the wind field model generated by microburst can be used to reconfigure the real-time simulation of the flight in the changing wind field, which is helpful to improve Simulation flight training effect.