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    • 2. 发明授权
    • Automatic management method and device of a lateral trajectory for an emergency descent of an aircraft
    • 飞机紧急下降的侧向轨迹的自动管理方法和装置
    • US08467917B2
    • 2013-06-18
    • US13184123
    • 2011-07-15
    • Paule BotarguesErwin GrandperretLucas BurelJacques RosayDidier Ronceray
    • Paule BotarguesErwin GrandperretLucas BurelJacques RosayDidier Ronceray
    • G05D1/00
    • G05D1/0055G05D1/101
    • A method for automatically managing a lateral trajectory upon triggering an emergency descent includes determining a value of lateral offset and generating an offset setpoint by using the value of lateral offset. The generating an offset setpoint includes calculating a sum of the value of lateral offset and any initial value of lateral offset defined between a central axis of a protected sector that the aircraft travels along and an initial lateral trajectory. The offset setpoint is selected to be the smaller of the sum or a lateral offset maximum, which maintains the aircraft within the protected sector at all times. The aircraft is then operated to move the aircraft to the offset setpoint during the emergency descent, which helps avoid further air traffic that may be located at different altitude levels within the same protected sector, especially along the central axis.
    • 用于在触发紧急下降时自动管理横向轨迹的方法包括通过使用横向偏移值来确定横向偏移的值并产生偏移设定点。 产生偏移设定点包括计算横向偏移值和在飞行器沿着保护扇区的中心轴线和初始横向轨迹之间限定的横向偏移的任何初始值的和。 偏移设定点被选择为总和或横向偏移最大值中的较小者,它始终将飞机保持在受保护的扇区内。 然后飞行器在紧急下降期间将飞机移动到偏移设定点,这有助于避免可能位于相同受保护扇区内的不同高度水平的进一步空中交通,特别是沿着中心轴线。