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Method for adjusting the joining trajectory for an aircraft

An aircraft and trajectory technology, applied in the field of aircraft navigation and guidance

Active Publication Date: 2018-10-09
THALES SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This degree of freedom can be shown to be ineffective in operationally obtaining the pilot's desired tactical trajectory

Method used

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  • Method for adjusting the joining trajectory for an aircraft
  • Method for adjusting the joining trajectory for an aircraft
  • Method for adjusting the joining trajectory for an aircraft

Examples

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Embodiment Construction

[0039] The trajectory adjustment calculation method according to the present invention is implemented by the flight management system of the aircraft. For example, figure 1 Such a flight management system 1 and its interaction with other onboard systems are represented. The flight management system is operated by one or more embedded electronic computers. Its main function is to ensure the management of a defined flight plan10. The management of the flight plan consists in the long-term calculation of the trajectory 11 of the aircraft on the basis of information derived from the flight plan and on the basis of a certain amount of information derived from the sensors of the aircraft, in particular from the position device 15 or from the autopilot 16 and generating a certain number of predictions 12 . Prediction is to be understood as the value of a pilot or navigation parameter concerning the present or future of the flight. For example, predictions about the future of flig...

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Abstract

The invention relates to a method for adjusting a flight plan rejoining trajectory of an aircraft. A method is provided for adjusting a flight plan rejoining trajectory of an aircraft, the method being implemented in a flight management system (1) of the aircraft. In a first step, the rejoining trajectory (TPMC) comprises a guidance setpoint holding point to be reached situated in the extension ofa guidance setpoint, and set manually or automatically, the guidance setpoint no longer being necessarily maintained when this setpoint holding point is passed. This first step can be preceded by a step of rejoining a guidance setpoint or a step of searching for the intersection of the current guidance setpoint trajectory with a segment of the flight plan.

Description

technical field [0001] The field of the invention is that of aircraft navigation and guidance. More specifically, the field of the invention is the determination of so-called re-engagement trajectories when a pilot has to deviate from his or her initial flight plan. A flight plan is to be understood as the lateral and longitudinal references corresponding to the planned flight of the aircraft. Background technique [0002] Currently, when a pilot needs to temporarily deviate from his or her flight plan (for example, either at the request of air traffic control, or in response to unforeseen circumstances such as weather disturbances), he or she uses an option called a "selected "guidance fix" to interrupt navigation along the flight plan. In this case, the forecast assumptions along the flight plan no longer faithfully and reliably reflect the future progress of the flight. Specifically, for a heading fix, the trajectory length of the future point at which the destination ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G5/00
CPCG08G5/0039G08G5/0021G08G5/0052G05D2109/22G05D2107/13G05D1/229G05D1/646G05D2105/22G05D1/46G05D1/0202G05D1/0808G05D1/0005G05D1/042G05D1/0607
Inventor B·达克尔-赖特D·普瓦松G·德凯尔V·萨瓦里
Owner THALES SA