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空中失控类型事故近年已成为致命飞行事故的主要类型,其中半数以上涉及到飞机由于机翼超过特定的临界攻角而进入的气动失速。通过分析攻角与飞行员操作的相互关系,以及飞行员对飞机攻角的认知过程,基于情景意识模型,建立空中失控事故中的民航飞行员攻角认知模型,并以此分析典型失速事故中的攻角认知过程。该模型可用于理解飞行员丧失对攻角的认识而导致飞机进入失速的过程,进而提供改进手段,防止此类事故的重复发生。
Over the air incidents of uncontrolled type accidents have become the major type of fatal flight incidents in recent years, with more than half involving the aerodynamic stalling of aircraft as a result of the wing exceeding a certain critical angle of attack. Through analyzing the relationship between the angle of attack and pilot’s operation and the pilot’s cognitive process of aircraft attack angle, a cognitive model of civil aviation pilot’s attack angle in air out of control accident is established based on situational awareness model, Angle of attack cognitive process. The model can be used to understand the pilots’ loss of awareness of the angle of attack leading to the aircraft entering the stalling process, thus providing an improved means to prevent the recurrence of such accidents.