System supporting flight operations under instrument meteorological conditions using precision course guidance
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06F-007/70
G06F-019/00
G06G-007/00
G06G-007/76
출원번호
US-0284787
(2008-09-25)
등록번호
US-8615337
(2013-12-24)
발명자
/ 주소
McCusker, Patrick D.
Barber, Sarah
Turcios, Felix B.
Bell, Douglas A.
Jinkins, Richard D.
Etherington, Timothy J.
Krenz, Michael J.
Dirks, Charles B.
출원인 / 주소
Rockwell Collins, Inc.
대리인 / 주소
Suchy, Donna P.
인용정보
피인용 횟수 :
7인용 특허 :
46
초록▼
The present examples provide circuits, systems, processes, and the like for providing precision course guidance, typically for improved positive course guidance below published minimum descent altitude or decision altitude, including just in time calculations of obstacle free flight paths. The calcu
The present examples provide circuits, systems, processes, and the like for providing precision course guidance, typically for improved positive course guidance below published minimum descent altitude or decision altitude, including just in time calculations of obstacle free flight paths. The calculated flight path may be presented in the context of a synthetic scene of the environment surrounding the aircraft. To provide precision course guidance, exemplary avionics systems, processes and the like, as described below may be utilized.
대표청구항▼
1. A method of providing precision course guidance, such method comprising: performing the following elements, where such elements are performed by a processor installed in an aircraft system: generating a hazard-free path from data retrieved from at least one database, where the hazard-free path is
1. A method of providing precision course guidance, such method comprising: performing the following elements, where such elements are performed by a processor installed in an aircraft system: generating a hazard-free path from data retrieved from at least one database, where the hazard-free path is a path free from a plurality of charted hazards defined with fixed locations;displaying the hazard-free path and the plurality of charted hazards on at least one flight deck display;generating egocentric guidance cues that enable a pilot to fly the hazard-free path;displaying the egocentric guidance cues with the display of the hazard-free path and the plurality of charted hazards;detecting at least one uncharted hazard defined by a fixed location with at least one onboard, real-time sensor;generating a notification of database error when at least one uncharted hazard is detected; andsending the notification of database error to an onboard crew alerting system, whereby at least one alert corresponding to the database error is presented to the pilot. 2. The method of claim 1, wherein the hazard-free path is a path of a final approach procedure. 3. The method of claim 1, wherein the hazard-free path is a path of a missed approach procedure. 4. The method of claim 1, wherein one onboard, real-time sensor is comprised of a weather radar system configured to extract features of terrain and obstacles. 5. The method of claim 1, wherein the generating the hazard-free path is implemented interactively by the pilot. 6. The method of claim 1, wherein the generation of the hazard free path is implemented through a fully-automated process. 7. The method of claim 1, wherein at least one database is configured to store terrain and obstacle information. 8. The method of claim 1, wherein at least one database is configured to store airspace information. 9. The method of claim 1, wherein at least one database is configured to store location and elevation information of a restricted airspace near the airport. 10. The method of claim 1, wherein each unknown hazard is detected by a TSO-C151b compliant terrain awareness and warning system. 11. The method of claim 10, wherein the TSO-C151b compliant terrain awareness and warning system processes inputs from a weather radar system to detect imminent conflicts with terrain and obstacles along the projected path of the aircraft. 12. The method of claim 1, further wherein a radar correlation system is configured to compare radar return signals with data stored in the plurality of the databases to detect a missing or erroneous database content. 13. A method of generating precision course guidance, such method comprising: performing the following elements, where such elements are performed by a processor installed in an aircraft system: determining a published instrument approach procedure of an airport runway, where the published instrument approach procedure is comprised of a final approach procedure and a missed approach procedure, where the final approach procedure is comprised of a final approach fix, a published minimum descent altitude or published decision altitude, and a missed approach point, andthe missed approach procedure originates from the missed approach point;calculating a first obstacle-free path from the published minimum descent altitude or the published decision altitude to a new decision altitude;calculating a second obstacle-free path from the new decision altitude to a published intersection of the missed approach procedure, where the second obstacle-free path intercepts the missed approach procedure at a safe operating altitude clear of known hazards near the airport;generating precision lateral and vertical course guidance; andproviding the precision lateral and vertical course guidance to a flight display, thereby providing lateral and vertical course guidance to a flight crew to track the first and second obstacle-free paths. 14. The method of claim 13, further comprising: initiating complex maneuvers to achieve the safe operating altitude. 15. The method of claim 13, wherein the precision lateral and vertical course guidance is provided on the flight display presenting a synthetic scene of terrain and obstacles. 16. A device for providing precision course guidance, such device comprising: a processor installed in an aircraft system and configured to determine a published instrument approach procedure of an airport runway, where the published instrument approach procedure is comprised of a final approach procedure and a missed approach procedure, where the final approach procedure is comprised of a final approach fix, a published minimum descent altitude or published decision altitude, and a missed approach point, andthe missed approach procedure originates from the missed approach point;calculate a first obstacle-free path from the published minimum descent altitude or the published decision altitude to a new decision altitude;calculate a second obstacle-free path from the new decision altitude to a published intersection of the missed approach procedure, where the second obstacle-free path intercepts the missed approach procedure at a safe operating altitude clear of known hazards near the airport;generate precision lateral and vertical course guidance; andprovide the precision lateral and vertical course guidance to a flight display, thereby providing lateral and vertical course guidance to a flight crew to track the first and second obstacle-free paths. 17. The device of claim 16, wherein the processor is further configured to initiate complex maneuvers to achieve the safe operating altitude. 18. The device of claim 17, wherein the precision lateral and vertical course guidance is provided on the flight display presenting a synthetic scene of terrain and obstacles.
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