| 摘要 |
PROBLEM TO BE SOLVED: To provide a flight control device for an aircraft capable of controlling an actual ground speed V including the influence of a speed component Vy in a right-angled direction to the axis of the aircraft. SOLUTION: This flight control device for the aircraft controls a combined ground speed V combining the speed Vx in the axial direction of the aircraft 21 and the speed component Vy in the right-angled direction to the axis of the aircraft. The flight control device is provided with a target value setting part 11 for setting the target value Vset of the combined ground speed; a speed detecting part for detecting the speed in the axis direction of the aircraft; a drift angle detecting part for detecting a drift angleθwhich is an angle defined by the combined ground speed and the axis of the aircraft; and a multiplied value computing part for obtaining the multiplied value 14 of the target value and cosθ13. The combined ground speed is controlled to become the target value on the basis of the deviation between the speed in the axial direction of the aircraft and the multiplied value.
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