| 摘要 |
<p>The invention concerns a method taking into account the constraints imposed by turning radius instructions and approach direction instructions concerning route and heading steering at the waypoints. It consists in: determining, at right angle of the starting and the finishing waypoints, the turning trajectories corresponding to the turning radius instructions at those waypoints. Said turning trajectories are located, in each of the waypoints, on a couple of circles which are tangent to the waypoints according to the approach direction valid for this point and oriented in said direction. Once the turning trajectories are determined, the method consists in selecting among them, according to simple rules, an initial homing trajectory and a final capture trajectory which can be connected by a rectilinear connecting trajectory to move from the starting waypoint to the finishing waypoint while looking for the shortest possible route. Said method is advantageous since it only requires low computing power and can be implemented by the flight management systems equipping the current generation of aircraft. It further enables accurate predetermination, constantly updated, of the route followed by an aircraft during a mission, taking into consideration the waypoints, and therefore accurate timing estimates of the mission and the amount of fuel required for the mission.</p> |
