Method and device for verifying a guidance signal
AssigneeAirbus Operations GmbH
InventorsThierry Bourret, Nicolas Marconnet
Life of this patent
Estimating the term…
Abstract
A verification method comprising a first step of measuring at least one position parameter of an aircraft and a first set of steps implemented after the flight of at least one aircraft, in an automatic and repetitive manner, comprising computing a geographical height of an aircraft with respect to the runway on the basis of the position parameters of an aircraft, computing an evaluated vertical deviation, between the geographical height and a reference height, and computing a vertical error on the basis of a comparison between the evaluated vertical deviation and the reference vertical deviation.
Claims15
A method for determining an error in at least one guidance signal representative of a reference deviation between a position of an aircraft and a reference approach trajectory including a vertical guidance signal representative of a reference vertical deviation from the reference approach trajectory, the signals being transmittable to the aircraft each by a ground emitter device to assist the aircraft with landing on a runway, comprising:
- measuring and recording in a memory, in a first measurement step, implemented by at least one first measurement module onboard at least one aircraft, in an automatic and repetitive manner, during at least one flight of the aircraft along an approach trajectory of the aircraft, during an approach to the runway, the measuring and recording being of at least one position parameter of the aircraft and a parameter corresponding to the vertical guidance signal;
- implementing a first set of steps, after the flight of the at least one aircraft, in an automatic and repetitive manner, the first set of steps comprising, for each of a plurality of different distances with respect to a threshold of the runway along the approach trajectory of the aircraft:
- a height computation step, implemented by a first computation module, comprising computing a geographical height of an aircraft with respect to the runway on the basis of the position parameters of an aircraft,
- a vertical deviation computation step, implemented by a second computation module, comprising computing a vertical deviation, termed the evaluated vertical deviation, between the geographical height and a reference height,
- a vertical error computation step, implemented by a third computation module, comprising computing a vertical error on the basis of a comparison between the evaluated vertical deviation and the reference vertical deviation determined as a function of the parameter corresponding to the vertical guidance signal.
A device for determining an error in a vertical guidance signal representative of a reference vertical deviation and a lateral guidance signal representative of a reference lateral deviation, the signals being transmittable to an aircraft by a ground emitter device to assist the aircraft with landing on a runway,
- comprising:
- a first measurement module configured to measure at least one position parameter of an aircraft, in an automatic and repetitive manner, during at least one flight of the aircraft, and a parameter corresponding to the vertical guidance signal, during an approach to the runway, the first measurement module being embedded onboard at least one aircraft,
- a memory configured to record at least one position parameter of an aircraft and a parameter corresponding to the vertical guidance signal,
- a first computation module configured to compute a geographical height of an aircraft with respect to the runway on the basis of the position parameters of an aircraft, in an automatic and repetitive manner after the flight of at least one aircraft, for each of a plurality of different distances with respect to a threshold of the runway along an approach trajectory of the aircraft,
- a second computation module configured to compute an evaluated vertical deviation, between the geographical height and a reference height, in an automatic and repetitive manner after the flight of at least one aircraft, for each of a plurality of different distances with respect to a threshold of the runway along the approach trajectory of the aircraft,
- a third computation module configured to compute a vertical error on the basis of a comparison between the evaluated vertical deviation and the reference vertical deviation determined as a function of the parameter corresponding to the vertical guidance signal, in an automatic and repetitive manner after the flight of at least one aircraft, for each of a plurality of different distances with respect to a threshold of the runway along the approach trajectory of the aircraft.
Dependencies are inferred from the claim text.