Invention Application
- Patent Title: METHOD FOR ESTIMATING THE TOUCHDOWN POINT OF THE WHEELS OF AN AIRCRAFT ON A LANDING RUNWAY AND THE DISTANCE TO BE TRAVELED FROM THE TOUCHDOWN POINT TO REACH A CONTROLLED SPEED
- Patent Title (中): 用于估计飞机上的飞行员在陆地运行中的转向点的距离以及从触发点到达控制速度的距离的方法
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Application No.: US11856019Application Date: 2007-09-15
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Publication No.: US20080162092A1Publication Date: 2008-07-03
- Inventor: Francois COULMEAU , Jerome Sacle
- Applicant: Francois COULMEAU , Jerome Sacle
- Applicant Address: FR Neuilly-Sur-Seine
- Assignee: Thales
- Current Assignee: Thales
- Current Assignee Address: FR Neuilly-Sur-Seine
- Priority: FR0608097 20060915
- Main IPC: G06F17/11
- IPC: G06F17/11 ; G06G7/72 ; G01B21/00

Abstract:
The present invention relates to a method for estimating the touchdown point of the wheels of an aircraft on a landing runway and the distance to be traveled by the aircraft on the runway from the touchdown point to reach a controlled speed below which it can perform any maneuver on the ground. The method comprises an in-flight step of estimating a height and a speed of passage above the threshold of the runway. It also comprises an in-flight step of estimating the touchdown point of the wheels of the aircraft on the landing runway and the distance to be traveled to reach the controlled speed, on the basis of the estimation of the height and the speed of passage above the threshold of the runway. It also comprises a step while going on the runway of estimating the distance to be traveled from the real touchdown point to reach the controlled speed, taking account of the braking forces provided by the brakes, the airbrakes and the thrust reversers.
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