Systems and methods for characterizing turbulence regions
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06F-019/00
G01W-001/00
출원번호
US-0081757
(2011-04-07)
등록번호
US-8965699
(2015-02-24)
발명자
/ 주소
McDonald, James Arthur
출원인 / 주소
Honeywell International Inc.
대리인 / 주소
Fogg & Powers LLC
인용정보
피인용 횟수 :
3인용 특허 :
6
초록▼
Systems and methods for characterizing regions of turbulence are provided. In one implementation, a method includes: measuring turbulence with an inertial reference unit on an aircraft to acquire a turbulence measurement; recording a position of the aircraft associated with the turbulence measuremen
Systems and methods for characterizing regions of turbulence are provided. In one implementation, a method includes: measuring turbulence with an inertial reference unit on an aircraft to acquire a turbulence measurement; recording a position of the aircraft associated with the turbulence measurement and the turbulence measurement on at least one memory device; processing the turbulence measurement on a processing unit to determine a turbulence intensity setting; determining a turbulence region for the recorded position; associating the turbulence region with the turbulence intensity setting; and transmitting the turbulence intensity setting and the associated turbulence region.
대표청구항▼
1. A method for characterizing regions of turbulence, the method comprising: measuring turbulence with an inertial reference unit on an aircraft to acquire a turbulence measurement;recording a position of the aircraft associated with the turbulence measurement and the turbulence measurement on at le
1. A method for characterizing regions of turbulence, the method comprising: measuring turbulence with an inertial reference unit on an aircraft to acquire a turbulence measurement;recording a position of the aircraft associated with the turbulence measurement and the turbulence measurement on at least one memory device;processing the turbulence measurement on a processing unit to determine a turbulence intensity setting;determining a turbulence region for the recorded position, wherein the turbulence region is a three dimensional defined volume containing the aircraft, wherein the boundaries of the three dimensional defined volume are fixed in relation to the earth and defined independently of the position;associating the turbulence region with the turbulence intensity setting such that the turbulence within the turbulence region is characterized by the turbulence intensity setting; andtransmitting the turbulence intensity setting and the associated turbulence region. 2. The method of claim 1, wherein determining a turbulence intensity setting from the turbulence measurement comprises: calculating a total acceleration of the aircraft and a total jerk of the aircraft from the turbulence measurement; andcomparing the total acceleration of the aircraft and total jerk of the aircraft against a turbulence level threshold. 3. The method of claim 2, wherein the turbulence intensity threshold comprises a plurality of thresholds, wherein the plurality of thresholds are used to determine whether the turbulence intensity setting is at least one of none, light, moderate, severe, and extreme. 4. The method of claim 3, wherein the plurality of thresholds are calculated as a function of the mass of the aircraft. 5. The method of claim 1, wherein the turbulence measurement is acquired by measuring turbulence over a period of time. 6. The method of claim 1, further comprising: recording a plurality of turbulence measurements at a plurality of aircraft positions; anddetermining a turbulence region from the plurality of turbulence measurements and the plurality of aircraft positions. 7. The method of claim 1, wherein the turbulence region is defined by at least one of: the aircraft; anda ground station that received the turbulence intensity setting from the aircraft. 8. The method of claim 1, wherein transmitting the turbulence intensity setting and the associated turbulence region comprises transmitting the turbulence intensity setting and the associated turbulence region to a second aircraft. 9. The method of claim 8, wherein the second aircraft alters its flight path to avoid the turbulence region. 10. A system for characterizing turbulence regions, the system comprising: an inertial reference unit configured to measure turbulence experienced by an aircraft;at least one memory device configured to:store a turbulence measurement; andrecord position information of the aircraft associated with the measured turbulence;a processing unit configured to determine a turbulence intensity setting from the turbulence measurement and determine a turbulence region from the position information associated with the turbulence measurement such that the turbulence within the turbulence region is characterized by the turbulence intensity setting, wherein the turbulence region is a three dimensional defined volume containing the aircraft, wherein the boundaries of the three dimensional defined volume are fixed in relation to the earth and defined independently of the position information; anda transceiver configured to transmit the turbulence intensity setting and turbulence region information, the turbulence region information describing the turbulence region. 11. The system of claim 10, wherein the processing unit is configured to determine the turbulence intensity setting by: calculating a total acceleration;calculating a total jerk; anddetermining the turbulence intensity setting by comparing the total acceleration and total jerk against a turbulence level threshold. 12. The system of claim 11, wherein the turbulence intensity threshold comprises a plurality of thresholds, wherein the plurality of thresholds are used to determine whether the turbulence intensity setting is at least one of none, light, moderate, severe, and extreme. 13. The system of claim 12, wherein the processing unit calculates the plurality of thresholds as a function of the mass of the aircraft. 14. The system of claim 10, wherein the transmission unit transmits to at least one of: a ground station, wherein the ground station transmits the turbulence intensity setting and turbulence region information to other aircraft; anda second aircraft. 15. The system of claim 10, wherein, upon determining a first turbulence intensity setting based on a first turbulence measurement received from a first aircraft and determining a second turbulence intensity setting based on a second turbulence measurement received from a second aircraft, the first and second turbulence measurements being associated with a same turbulence region and the first turbulence intensity setting is different from the second turbulence intensity setting, the processing unit selects the turbulence intensity setting that poses a greater danger to an aircraft. 16. The system of claim 10, wherein the transmission unit stops transmitting turbulence intensity settings and turbulence region information for the turbulence region after a predefined period of time passes after the turbulence measurements and position information used to determine the turbulence intensity settings were stored in the memory device. 17. A program product comprising a non-transitory processor-readable medium on which program instructions are embodied, wherein the program instructions are configured, when executed by at least one programmable processor, to cause the at least one programmable processor to: receive a turbulence measurement and position data of a first aircraft from the first aircraft, the turbulence measurement describing the motion of the aircraft and the position data being associated with the turbulence measurement,store the turbulence measurements and position data on at least one memory device;determine a turbulence intensity setting from the turbulence measurement;determine a turbulence region from the stored position data, wherein the turbulence region is a three dimensional area containing the first aircraft, wherein the three dimensional defined volume is centered on a location indicated by the position data of the first aircraft;associate the turbulence region with the turbulence intensity setting such that the turbulence within the turbulence region is characterized by the turbulence intensity setting; andtransmit the turbulence intensity setting and the associated turbulence region to a second aircraft. 18. The program product of claim 17, wherein the program instructions are further configured to cause at least one programmable processor to: receive a plurality of turbulence measurements at a plurality of aircraft positions of the first aircraft; anddetermine a turbulence region from the plurality of turbulence measurements and the plurality of aircraft positions. 19. The program product of claim 17, wherein the program instructions are configured to cause at least one programmable processor to determine a turbulence intensity setting from the turbulence measurement by causing at least one programmable processor to: calculate a total movement measurement from the turbulence measurement; andcompare the total movement measurement against a turbulence intensity threshold.
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