Methods and systems for plume characterization
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G21C-017/00
G01J-001/00
G01J-003/10
출원번호
UP-0039947
(2008-02-29)
등록번호
US-7840380
(2011-01-22)
발명자
/ 주소
Bernhardt, Roger D.
출원인 / 주소
The Boeing Company
대리인 / 주소
Armstrong Teasdale LLP
인용정보
피인용 횟수 :
8인용 특허 :
9
초록▼
A method for mapping, in three dimensions, the contents of a plume within an area is described. The method includes distributing spectrally sensitive sensors on a first surface of a vehicle, distributing spectrally sensitive emitters on a second surface of a vehicle, causing the emitters to output a
A method for mapping, in three dimensions, the contents of a plume within an area is described. The method includes distributing spectrally sensitive sensors on a first surface of a vehicle, distributing spectrally sensitive emitters on a second surface of a vehicle, causing the emitters to output a signal directed through the plume and towards the sensors, receiving at least a portion of the emitter output at the sensors, communicating an output of the sensors, the sensor output caused by the received optical emitter output, to a central processing unit, and analyzing the sensor outputs and time-based vehicle positions to characterize the plume and an area surrounding the plume in three dimensions over a period of time.
대표청구항▼
What is claimed is: 1. A method for mapping in three dimensions the contents of a plume within an area, said method comprising: distributing spectrally sensitive sensors on a first surface of a vehicle; distributing spectrally sensitive emitters on a second surface of a vehicle; causing the emitter
What is claimed is: 1. A method for mapping in three dimensions the contents of a plume within an area, said method comprising: distributing spectrally sensitive sensors on a first surface of a vehicle; distributing spectrally sensitive emitters on a second surface of a vehicle; causing the emitters to output a signal directed through the plume and towards the sensors; receiving at least a portion of the emitter output at the sensors; communicating an output of the sensors, the sensor output caused by the received optical emitter output, to a central processing unit; and analyzing the sensor outputs and time-based vehicle positions, using the central processing unit, to characterize the plume and an area surrounding the plume in three dimensions over a period of time. 2. A method according to claim 1 wherein distributing optical emitters on a second surface of a vehicle comprises distributing the sensors on a vehicle that is separate from a vehicle on which the emitters are distributed. 3. A method according to claim 2 wherein the separate vehicles are unmanned aerial vehicles. 4. A method according to claim 1 wherein: distributing sensors comprises distributing the sensor at a first portion of a vehicle; and distributing emitters comprises distributing emitters at a second portion of the same vehicle, the second portion a distance from the first portion. 5. A method according to claim 1 wherein causing the emitters to output a signal comprises outputting a pulse pattern utilizing a multiple spectrum LED array. 6. A method according to claim 1 wherein receiving at least a portion of the optical emitter output comprises utilizing at least one of electro-optical, ultraviolet, and infrared cameras to collect light from the optical emitters that passes through the plume. 7. A method according to claim 1 wherein analyzing the sensor outputs comprises dispersing at least a portion of the processing associated with analyzing the sensor outputs to a atmospheric analysis and measurement network. 8. A method according to claim 1 wherein analyzing the sensor outputs comprises identifying any threat agents and particulates within the plume through at least one of electro-optical and infrared absorption measurements and electro-optical and infrared scattering measurements. 9. A method according to claim 1 further comprising operating the emitters such that a calibration sequence is output by the emitters and received by the sensors for the purpose of reducing effects of any background noise that might be sensed by the sensors. 10. A method according to claim 1 further comprising adaptively modifying travel profiles of the vehicles associated with the emitters and sensors upon detecting a measurable concentration of a particulate of interest within the plume. 11. A system for mapping contents of a plume within an area, the mapping in three dimensions, said system comprising: a transmitter node comprising a processing device, a plurality of emitters, and a network communication link; a receiver node comprising a processing device, a plurality of sensors configured to detect emissions from said emitters, and a network communication link; a communication network communicatively coupled to said transmitter node and to said receiver node via said network communication links; and a network manager operating via said communication network and configured to distribute processing among said nodes, provide emitter and sensor directional control, and provide node position control, said network manager further configured to control an output of said emitters and communication of information sent to said receiver node. 12. A system according to claim 11 wherein said plurality of emitters comprises a multiple spectrum illumination source. 13. A system according to claim 11 wherein said plurality of emitters are configured for measurement sensitivity and plume characterization at ranges between about 50 meters and about 1000 meters. 14. A system according to claim 11 wherein said plurality of sensors comprises at least one of electro-optic, ultraviolet, and infrared cameras. 15. A system according to claim 11 wherein said transmitter node and said receiver node each comprise at least one unmanned aerial vehicle. 16. A system according to claim 11 wherein said communication network incorporates peer to peer communication to link said transmitter node and said receiver node. 17. A system according to claim 11 wherein to provide node position control, said transmitter node and said receiver node each comprise an unmanned aerial vehicle comprising at least one of a navigational system and a GPS system. 18. A system according to claim 11 wherein said processing device of receiving node is configured to utilize outputs from said optical sensors to measure intensities of absorption and scattering of different wavelengths of received light from said optical emitters to map characteristics and contents of a plume and an area of the atmosphere surrounding the plume. 19. A system according to claim 11 wherein said transmitter node and said receiver node each comprise an unmanned vehicle, wherein to provide node position control, said network manager is configured to adaptively modify said unmanned vehicle movement profiles associated with said transmitter and receiver nodes to ensure adequate coverage of a region associated with the plume. 20. A system according to claim 11 wherein said transmitter node and said receiver node comprise multiple vehicles within an area.
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