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Method and a device for issuing terrain avoidance warnings for a rotary wing aircraft
US9199744B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9199744-B2 |
| Application number | US-201414326717-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 9, 2014 |
| Priority date | Jul 10, 2013 |
| Publication date | Dec 1, 2015 |
| Grant date | Dec 1, 2015 |
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Abstract
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A method and a device ( 50 ) for issuing a terrain avoidance warning for a rotary wing aircraft ( 100 ) during which at least one bundle (N 1 , N 2 ) of possible avoidance trajectories for said aircraft ( 100 ) is prepared in order to avoid a collision between said aircraft ( 100 ) and the relief ( 70 ) being overflown. A warning is then triggered as soon as said relief ( 70 ) being overflown is found to be at a distance from any one of said bundles (N 1 , N 2 ) of possible avoidance trajectories that is less than a predetermined distance (Mv). Said avoidance trajectories are determined on the basis of a predetermined avoidance maneuver and on the basis of states of said aircraft ( 100 ), said predetermined avoidance maneuver being performed at a predetermined maximum power of said aircraft ( 100 ).
First claim
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What is claimed is: 1. A method of issuing a terrain avoidance warning by a rotary wing aircraft, the method comprising the following steps performed repetitively: preparing at least one bundle of possible avoidance trajectories for the aircraft in order to avoid said aircraft colliding with relief being overflown by said aircraft or with an obstacle if any; and triggering a warning if any one of said bundles of possible avoidance trajectories leads to a distance from said relie…
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- What does patent US9199744B2 cover?
- A method and a device ( 50 ) for issuing a terrain avoidance warning for a rotary wing aircraft ( 100 ) during which at least one bundle (N 1 , N 2 ) of possible avoidance trajectories for said aircraft ( 100 ) is prepared in order to avoid a collision between said aircraft ( 100 ) and the relief ( 70 ) being overflown. A warning is then triggered as soon as said relief ( 70 ) being overflown i…
- Who is the assignee on this patent?
- Airbus Helicopters
- What technology area does this patent fall under?
- Primary CPC classification B64D45/04. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Dec 01 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).