Active blade tracker and related systems and methods
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01C-003/08
G01S-017/08
G01S-017/46
G01S-017/88
G01B-011/02
B64C-027/00
G01S-017/50
G01S-017/87
출원번호
US-0331956
(2014-07-15)
등록번호
US-9599711
(2017-03-21)
발명자
/ 주소
Lilly, David Daniel
Kuo, Chris
Lacy, Douglas
출원인 / 주소
HONEYWELL INTERNATIONAL INC.
대리인 / 주소
Lorenz & Kopf, LLP
인용정보
피인용 횟수 :
1인용 특허 :
10
초록▼
Devices, methods and systems are provided for monitoring movement of an object, such as rotation of a blade or other airfoil. One exemplary tracking device includes a first emitter to emit first radiation along a first line of sight, a first detector proximate the first emitter to detect the first r
Devices, methods and systems are provided for monitoring movement of an object, such as rotation of a blade or other airfoil. One exemplary tracking device includes a first emitter to emit first radiation along a first line of sight, a first detector proximate the first emitter to detect the first radiation, a second emitter to emit second radiation along a second line of sight, and a second detector proximate the second emitter to detect the second radiation.
대표청구항▼
1. A tracking device comprising: a first emitter-detector arrangement having a first line of sight associated therewith, the first emitter-detector arrangement comprising: a first emitter to emit first radiation along the first line of sight towards a reference plane of motion for an object;a first
1. A tracking device comprising: a first emitter-detector arrangement having a first line of sight associated therewith, the first emitter-detector arrangement comprising: a first emitter to emit first radiation along the first line of sight towards a reference plane of motion for an object;a first detector proximate the first emitter to detect at least a first portion of the first radiation reflected from the reference plane along the first line of sight;a second emitter-detector arrangement having a second line of sight associated therewith, the first line of sight and the second line of sight being different, the second emitter-detector arrangement comprising: a second emitter to emit second radiation along the second line of sight towards the reference plane; anda second detector proximate the second emitter to detect at least a second portion of the second radiation reflected from the reference plane along the second line of sight. 2. The tracking device of claim 1, further comprising a housing having the first emitter, the first detector, the second emitter, and the second detector contained therein, wherein the housing includes an aperture portion aligned with the first line of sight and the second line of sight. 3. The tracking device of claim 1, wherein the first line of sight and the second line of sight intersect between the tracking device and the reference plane. 4. The tracking device of claim 3, wherein: the first detector detects the first radiation in response to the object traversing the first line of sight; andthe second detector detects the second radiation in response to the object traversing the second line of sight. 5. The tracking device of claim 1, wherein: the first detector is substantially aligned with the first line of sight; andthe second detector is substantially aligned with the second line of sight. 6. The tracking device of claim 5, wherein the first detector is collocated with the first emitter and the second detector is collocated with the second emitter. 7. The tracking device of claim 1, wherein: the first detector has a third line of sight intersecting the first line of sight in the reference plane, the first detector detecting the first radiation in response to the object traversing the first line of sight; andthe second detector has a fourth line of sight intersecting the second line of sight in the reference plane, the second detector detecting the second radiation in response to the object traversing the second line of sight. 8. The tracking device of claim 1, further comprising: a first optics arrangement aligned with the first line of sight; anda second optics arrangement aligned with the second line of sight, wherein: the first detector detects the first radiation via the first optics arrangement; andthe second detector detects the second radiation via the second optics arrangement. 9. The tracking device of claim 1, further comprising: an output interface; anda processing system coupled to the first detector, the second detector and the output interface to generate a first output signal at the output interface in response to the first detector detecting the first radiation and generate a second output signal at the output interface in response to the second detector detecting the second radiation. 10. The tracking device of claim 1, wherein: the first radiation has a first value for a signal characteristic;the second radiation has a second value for the signal characteristic; andthe first value is different from the second value. 11. The tracking device of claim 10, further comprising a processing system coupled to the first detector and the second detector to tune the first emitter for the first value for the signal characteristic and tune the second emitter for the second value for the signal characteristic. 12. The tracking device of claim 11, wherein the processing system is coupled to the first detector and the second detector to tune the first detector to detect the first value for the signal characteristic and tune the second detector to detect the second value for the signal characteristic. 13. The tracking device of claim 1, wherein: the first emitter comprises a first laser;the first detector comprises a first laser detector;the second emitter comprises a second laser; andthe second detector comprises a second laser detector. 14. A blade tracking device comprising: a first emitter-detector arrangement having a first line of sight associated therewith to emit first radiation having a first value for a signal characteristic along the first line of sight and detect at least a first portion of the first radiation reflected along the first line of sight in response to a blade traversing the first line of sight;a second emitter-detector arrangement having a second line of sight associated therewith to emit second radiation having a different value for the signal characteristic along the second line of sight and detect at least a second portion of the second radiation reflected along the second line of sight in response to the blade traversing the second line of sight, wherein the second line of sight is different from the first line of sight; anda processing system coupled to the first emitter-detector arrangement and the second emitter-detector arrangement to: generate a first output signal at an interface of the blade tracking device in response to the first emitter-detector arrangement detecting the first radiation; andgenerate a second output signal at the interface in response to the second emitter-detector arrangement detecting the second radiation. 15. The blade tracking device of claim 14, wherein: the first emitter-detector arrangement comprises: a first laser to emit the first radiation; anda first detector proximate the first laser to detect the first radiation reflected along the first line of sight by the blade; andthe second emitter-detector arrangement comprises: a second laser to emit the second radiation; anda second detector proximate the second laser to detect the second radiation reflected along the second line of sight by the blade. 16. The blade tracking device of claim 14, further comprising a housing having an aperture portion, wherein the first emitter-detector arrangement is mounted within the housing to align the first line of sight with the aperture portion and second emitter-detector arrangement is mounted within the housing to align the second line of sight with the aperture portion. 17. The blade tracking device of claim 16, wherein the first line of sight and the second line of sight are configured to intersect between the aperture portion and the blade. 18. The blade tracking device of claim 14, wherein the processing system configures the first emitter-detector arrangement to emit and detect the first radiation having the first value for a signal characteristic and configures the second emitter-detector arrangement to emit and detect the second radiation having the different value for the signal characteristic. 19. A method of monitoring rotation of a blade, the method comprising: emitting, by a first emitter, first radiation with a first value for a signal characteristic along a first line of sight towards a reference plane of rotation for the blade;generating a first output indication in response to a first detector paired with the first emitter detecting at least a first portion of the first radiation reflected along the first line of sight by the blade;generating, by a second emitter, second radiation with a different value for the signal characteristic along a second line of sight towards the reference plane of rotation for the blade, wherein the second line of sight is different from the first line of sight; andgenerating a second output indication in response to a second detector paired with the second emitter detecting at least a second portion of the second radiation reflected along the second line of sight by the blade. 20. The method of claim 19, further comprising: configuring the first emitter to emit the first radiation with the first value for the signal characteristic, the first emitter emitting the first radiation along the first line of sight towards the reference plane of rotation for the blade;configuring the first detector paired with the first emitter to detect the first radiation having the first value for the signal characteristic;configuring the second emitter to emit the second radiation with the different value for the signal characteristic, the second emitter emitting the second radiation along the second line of sight towards the reference plane of rotation for the blade; andconfiguring the second detector paired with the second emitter to detect the second radiation having the different value for the signal characteristic, wherein: generating the first output indication comprises generating a first output pulse in response to the first detector detecting the first radiation reflected along the first line of sight by the blade; andgenerating the second output indication comprises generating a second output pulse in response to the second detector detecting the second radiation reflected along the second line of sight by the blade.
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이 특허에 인용된 특허 (10)
Chadwick James R. (Bradbury CA) Johnson Lloyd N. (Glendora CA), Control of rotor blade stroboscopic display.
Wangler Richard J. (Maitland FL) Gustavson Robert L. (Winter Springs FL) McConnell ; II Robert E. (Longwood FL) Fowler Keith L. (Orlando FL), Intelligent vehicle highway system sensor and method.
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