CN107193287A - A kind of airborne multichannel EO-1 hyperion camera circuitry integrated system - Google Patents
A kind of airborne multichannel EO-1 hyperion camera circuitry integrated system Download PDFInfo
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- CN107193287A CN107193287A CN201710563653.4A CN201710563653A CN107193287A CN 107193287 A CN107193287 A CN 107193287A CN 201710563653 A CN201710563653 A CN 201710563653A CN 107193287 A CN107193287 A CN 107193287A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot
- G05D1/08—Control of attitude, i.e. control of roll, pitch, or yaw
- G05D1/0808—Control of attitude, i.e. control of roll, pitch, or yaw specially adapted for aircraft
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot
- G05D1/10—Simultaneous control of position or course in three dimensions
- G05D1/101—Simultaneous control of position or course in three dimensions specially adapted for aircraft
Abstract
The invention discloses a kind of airborne multichannel high light spectrum image-forming instrument circuit integrated system, the circuit integrated system includes power distribution unit, communication control unit, data recombiner unit, memory cell, host computer, Attitude Measuring Unit, posture control unit, the network switch, serial ports router.It is integrated by the circuit to above-mentioned component units, the present invention can simultaneously be provided for the multichannel EO-1 hyperion camera of airborne application the power supply output of standardization, Communication Control, data transfer, data storage, data regard soon, the function such as data syn-chronization, attitude stabilization.The method have the advantages that using simple and flexible, design stability is reliable, rich interface, the interconnection of bloom spectra system, intercommunication, multi-modal, modular requirement are fully met, is the basis for realizing big visual field multiband hyperspectral imager.
Description
Technical field
The present invention relates to a kind of airborne multichannel EO-1 hyperion camera circuitry integrated system, and in particular to a kind of towards airborne application
For multichannel EO-1 hyperion camera provide power supply output, Communication Control, data transfer, data storage, data regard soon, data syn-chronization, appearance
The stable circuit integrated system of state.
Background technology
EO-1 hyperion camera obtains the solar radiation or its own radiation of clutter reflections with high spectral resolution.The technology is not only
Form imaging can be carried out to atural object, and the spectral information of each pixel can also be obtained, therefore can be from spatial match and spectrum
Matching two aspects observed object is analyzed and recognized so that disclose the spectral characteristic of various atural objects, existence so that
Material composition.The application of EO-1 hyperion camera region be directly facing land management, urban planning, agricultural resource investigation, Natural calamity monitoring
With assess, a variety of demands such as ore deposit and marine resources investigation, water resource utilization and water quality monitoring.
In optical remote sensing Instrument Design, split the spectrum into ultraviolet band, visible near-infrared wave band, short infrared wave band,
Medium-wave infrared wave band, long wave infrared region and very long wave infrared band.Each wave band being divided horizontally into according to instrument itself
Customized some spectral coverages.Under imaging signal to noise ratio requirement, need to use different detectors in response to different wave bands.
Currently advanced reliable aerial remote reconnaissance uses planar array detector component mostly with EO-1 hyperion camera.In face, battle array scale has
Under conditions of limit, big visual field remote sensing requirement and high-definition remote sensing requirement are contradiction.In order to meet requirements above, generally use
Multiple EO-1 hyperion cameras carry out splicing in spanwise and realize large visual field high resolution high light spectrum image-forming.
EO-1 hyperion camera mainly pushes away the type of sweeping and gazing type two schemes in spectrum mode：(1) gazing type refers to
During carrying out multiple Frame projection imaging to a FX, synchronous change detector front filter leads on time dimension
Spectrum segment, so as to obtain the high-spectral data in the region；(2) type of sweeping is pushed away to refer to install spectral filter additional before planar array detector
Part, the panchromatic light image light splitting of one-dimensional space alignment is projected on planar array detector into two dimensional image, wherein one-dimensional is corresponding
Space alignment, another dimension is the spectrum dimension of light splitting.The essence of both schemes is all that ground point of interest is composed into by repeatedly different
Acquisition as realizing high-spectral data, difference is that (1) is imaged by multiple different spectrum on single detector pixel time dimension,
(2) it is by the different spectrum imaging simultaneously of multiple detector pixels on Spatial Dimension.Under the premise of the equal angle of visual field and ground resolution,
The high-spectral data amount of N number of spectral coverage is N times of traditional remote sensing camera data volume, it is contemplated that EO-1 hyperion index request, N value is big
In 100.
Air remote sensing job requirements task efficiency high, single set EO-1 hyperion task device needs multiband, big visual field, high-resolution
Rate.Accordingly, it would be desirable to which the EO-1 hyperion camera combination of multiple the same bands is a set of EO-1 hyperion phase unit, while meeting big visual field and height
Resolution requirement.The EO-1 hyperion phase unit of many set different-wavebands is integrated into a set of hyperspectral imager, meets multiband requirement.Cause
This, a set of practical hyperspectral imager needs multiple EO-1 hyperion cameras integrated.It is not only simple ground structure combination that this is integrated
And optical correction, in addition it is also necessary to provide circuit kit integrated system from system perspective and meet following requirements：(1) polyphaser, which is powered, wants
Ask.(2) polyphaser Communication Control requirement.(3) polyphaser high rate data transmission requirement.(4) polyphaser big data quantity memory requirement.
(5) polyphaser low latency is fast depending on requiring.(6) polyphaser data syn-chronization requirement：In order to meet follow-up remotely-sensed data into the requirement of figure,
Multiple EO-1 hyperion cameras need to carry out data syn-chronization in light spectrum image-forming, so as to realize big field of view fusion and single-point multiband
Data fusion.
The content of the invention
The purpose of the present invention is a kind of circuit integrated platform of invention, solves power supply supply, the communication of multichannel EO-1 hyperion camera
Control, data transfer, data storage, data are regarded soon, the technical problem of data syn-chronization, attitude stabilization.
Present invention is as follows：
Circuit integrated system by power distribution unit 1, communication control unit 2, data recombiner unit 3, memory cell 4, on
Position machine 5, Attitude Measuring Unit 6 and posture control unit 7 are constituted.Power supply functions of physical supply is mainly realized by power distribution unit 1；
Communication Control function is mainly realized by communication control unit 2 and host computer 5；Data-transformation facility is main by data recombiner unit 3
Realize；Data storage function is mainly realized by memory cell 4；Data are fast depending on mainly being realized by memory cell 4 and host computer 5；Number
Mainly realized according to synchronous by Attitude Measuring Unit 6 and communication control unit 2；Attitude stabilization function is main by Attitude Measuring Unit 6
Realized with posture control unit 7.
The effect of power distribution unit 1 is that system input power is supplied into whole circuit integrated system in a controlled manner.
Power distribution unit 1 is by master switch, power-supply filter, capacitor energy, fuse, multiple power supplies numerical control switch, digital voltage
Ammeter is constituted.Power distribution unit 1 receives externally fed by master switch control, and the power supply of input passes through power filter, surge
Protection, beam splitting, overcurrent protection etc. are exported to multiple power supplies numerical control switch.The inside of power distribution unit 1 has processor can be right
If control instruction enters row decoding so as to control main line power supply output start and stop, while can collect digital voltage ammeter is total
Magnitude of voltage and total current value are transmitted to communication control unit 2 together with the on off operating mode of numerical control switch.
Communication control unit 2 is the communication midpoint of whole platform, and it is the control instruction hair that will be obtained from host computer 5 that it, which is acted on,
Other controlled cells delivered in platform, and the status information feedback that other controlled cells in platform are obtained is to host computer 5.
In addition communication control unit 2 can also realize the communication interactive function between platform interior each unit, include data synchronizing signal.
Communication control unit 2 is made up of panel-switch, the network switch 9, serial ports router 10.Panel-switch communication control control unit
Input power break-make to decide whether the cell operation.The network switch 9 is used to realize to be based on inside circuit integrated system
The data exchange of ICP/IP protocol.Serial ports router 10 realizes that TCP/IP message and the mutual compiling of Serial Port Information and serial ports are logical
Letter interaction.
Data recombiner unit 3 is the transmission midpoint of the output data of multichannel EO-1 hyperion camera 8, by one piece of high-performance high-speed
Logical process chip coordinates corresponding peripheral circuit, interface circuit composition.The unit obtains at a high speed multichannel EO-1 hyperion camera 8 simultaneously
All output imaging datas, memory cell is sent to by RapidIO optical transport forms in a time-multiplexed manner.
The effect of memory cell 4 is to be stored the data of acquisition, and extracted in the data of storage with frame, space dimension
Extract or the mode of spectrum dimension extraction realizes that the quick extraction retrieval of big data is regarded soon.Memory cell 4 is by panel-switch, interface
Plate, master control borad and memory bank composition.Panel-switch controls the break-make of the input power of memory cell 4 to decide whether the unit
Work.Interface board is used to receive high speed input data and realize to interact with extraneous communication.Master control borad is the storage control of this unit
Center processed, the data storage of all bottoms, read operation are dispatched by master control borad, managed, including data transmission channel is configured, deposited
Store up playback controls, data buffer storage management, directory management, storage space management, the control of storage medium module, preview data extraction
Deng.Memory bank realizes that the storage to input data is operated, including data buffer storage control, erasing, write-in, reading, error correction.
Host computer 5 realizes man-machine interface, and it is display system status information, display preview data, artificial control system that it, which is acted on,
System parameter configuration.It is necessary to have TCP/IP abilitys to communicate, small data typically from highly reliable portable industrial pc for host computer 5
Storage capacity, and the running environment and human-computer interaction interface of control program are provided.
The posture difference that the effect of Attitude Measuring Unit 6 is brought when being and being run for airborne platform is measured, recorded, from
And the geometric correction of imagery is realized by post processing.In addition, Attitude Measuring Unit 6 can obtain gps data and PPS pulse per second (PPS)s and will
It is forwarded to multichannel EO-1 hyperion camera 8, realizes the time synchronized of the data of multichannel EO-1 hyperion camera 8.
The posture difference that the effect of posture control unit 7 is brought when being and being run for airborne platform utilizes Attitude Measuring Unit
The data measured are compensated, so as to realize the steady picture of image by real-time steady appearance.There is up/down perforation in the middle of posture control unit 7
Hollow region, conveniently realizes visual function under the optics of multichannel EO-1 hyperion camera 8.
The multichannel camera data that multichannel EO-1 hyperion camera 8 is produced is exported to data composite plate 3, multichannel EO-1 hyperion camera 8
Power supply is provided by power distribution unit 1, and the communication of multichannel EO-1 hyperion camera 8 is connected to communication control using serial bus daisy chain form
Serial ports router 10 inside unit 2 processed.The power input of data recombiner unit 3 is connected to power distribution unit 1, Communication Control line
The serial ports router 10 inside communication control unit 2 is connected to, DOL Data Output Line is connected to memory cell 4.Attitude Measuring Unit 6
Power input is connected to power distribution unit 1, and Communication Control line is connected to the He of serial ports router 10 inside communication control unit 2
The network switch 9.The power input of posture control unit 7 is connected to power distribution unit 1, and Communication Control line is connected to Communication Control
Serial ports router 10 inside unit 2.The power input of host computer 5 is connected to power distribution unit 1, and Communication Control line is connected to logical
Interrogate the network switch 9 inside control unit 2.The power input of memory cell 4 is connected to power distribution unit 1, Communication Control line
It is connected to the network switch 9 inside communication control unit 2.The power input of communication control unit 2 is connected to power distribution list
Member 1.The power input of power distribution unit 1 is connected to the power output interface of airborne platform, and Communication Control line is connected to communication
Serial ports router 10 inside control unit 2.The communication network port of serial ports router 10 is connected to communication control in control control unit 2
The network switch 9 in unit 2 processed.
The operation principle of the present invention includes：Power distribution unit 1 is responsible for high to whole integrated platform and the multichannel of carrying
Spectrum camera 8 provides the controllable supply of power supply；Instruction, state between integrated platform and the multichannel EO-1 hyperion camera 8 of carrying are handed over
Mutually realized by the communication center node communication control unit 2 of platform and collect and forward；Multichannel EO-1 hyperion camera 8 obtain data by
Data recombiner unit 3 is collected and is forwarded to memory cell 4, and realizes storage and regard soon；The control of multichannel EO-1 hyperion camera 8
System same can walk out of the absolute time of gps time system by the pulse per second (PPS) information and temporal information of Attitude Measuring Unit 6, from
And it is easy to implement data syn-chronization；Posture control unit 7 is repaiied by the attitude data of Attitude Measuring Unit 6 to aspect
Just, attitude stabilization function is realized.
The advantage of the invention is that：
(1) application is simple, can be with integrated a variety of EO-1 hyperion cameras.
Are passed by interface and is designed for the power supply of EO-1 hyperion camera, communication, number according to the interface protocol of platform, or increase turns
Change plate and realize protocol conversion, you can adapt to a variety of EO-1 hyperion cameras.
(2) application is flexible, can be with integrated multipath EO-1 hyperion camera.
Platform has multiple power supplies output interface, and multichannel data receiving channel supports the bus type serial ports of daisy chain extension
Link is controlled, switch type network interface control link is convenient to support multichannel camera to run simultaneously.
(3) big data quantity transmission, storage are supported and is regarded soon.
Data recombiner unit 3 and memory cell 4 are included in platform, between the two using advanced serial RapidIO optic communications,
Longer-distance highly reliable data transfer can be realized.Meanwhile, there is memory cell 4 fast data throughput rate, big data to store
Amount, high data-handling capacity, it is ensured that the high-speed transfer of imaging data, store with regarding soon.
(4) data syn-chronization is realized.
The fusion of multichannel high-spectral data necessarily requires have the generation under coordinate system at the same time should in each data
Data absolute time information.Pass through the pulse per second (PPS) information and temporal information of Attitude Measuring Unit 6, the control of multichannel EO-1 hyperion camera 8
System processed can be with the absolute time of gps time system be walked out of, consequently facilitating realizing data syn-chronization.
Brief description of the drawings
Fig. 1 is the system block diagram of airborne multichannel EO-1 hyperion camera circuitry integrated system, wherein：1. power distribution unit；2.
Communication control unit；3. data recombiner unit；4. memory cell；5. host computer；6. Attitude Measuring Unit；7. gesture stability list
Member；8. multichannel EO-1 hyperion camera；9. the network switch；10. serial ports router.In addition, solid line line represents power cable, point is empty
Line represents communication cable, and dotted line line represents data cable.
Embodiment
The preferable example of the present invention is provided with reference to Fig. 1, is mainly described in further detail, rather than for limiting
The scope of the present invention：
The present invention by power distribution unit 1, communication control unit 2, data recombiner unit 3, memory cell 4, host computer 5,
Attitude Measuring Unit 6, posture control unit 7 are constituted.
In this example, multichannel EO-1 hyperion camera 8 selects 12 road EO-1 hyperion cameras, respectively visible near-infrared camera, short
Ripple infrared camera and middle LONG WAVE INFRARED camera, each wave band include four cameras, and field stitching is carried out in spanwise.Power supply
Allocation unit 1 is self-research equipment, and input voltage range is 18-36Vdc, and output voltage is the 28Vdc Standard Machines for meeting GJB181
Power supply is carried, output way is 20 tunnels, and output current is 2 road 40A, 6 road 10A, and 14 road 5A.Communication control unit 2 is to grind certainly
Equipment, with 8 road serial ports, it is possible to achieve baud rate is not more than 115200 serial communication interaction；Connect with 4 road gigabit Ethernets
Mouthful, it is possible to achieve the network interaction based on ICP/IP protocol.Data recombiner unit 3 is self-research equipment, with the input of 12 circuit-switched datas
Interface, interface shape is optical fiber, and host-host protocol exports for serial data, and peak data transfer rate is 2.7Gbps；With 2 ways
According to output interface, interface shape is optical fiber, and host-host protocol is RapidIO, and single channel peak data transfer rate is 10Gbps.Data are answered
Close after unit 3 obtains multichannel data and sent data using TDM scheme.Memory cell 4 is self-research equipment, with 2 ways
According to input interface, interface shape is amount of fibre, and host-host protocol is RapidIO, and single channel peak data transfer rate is 10Gbps；Storage
Hold and be not less than 10T；Interface is produced with the output of 2 tunnels, interface shape is optical fiber, and host-host protocol is ICP/IP protocol, and data are produced
Total speed is not less than 600MB/s.Host computer 5 is outsourcing device, from Getac high-performance ruggedized computer X500.Posture is surveyed
Amount unit 6 is outsourcing device, from the POS610 of APPLANIX companies.Posture control unit 7 is outsourcing device, from LEICA
The PAV80 stabilized platforms of company.
The multichannel camera data that multichannel EO-1 hyperion camera 8 is produced is exported to data composite plate 3, multichannel EO-1 hyperion camera 8
Power supply is provided by power distribution unit 1, and the communication of multichannel EO-1 hyperion camera 8 is connected to communication control using serial bus daisy chain form
Serial ports router 10 inside unit 2 processed.The power input of data recombiner unit 3 is connected to power distribution unit 1, Communication Control line
The serial ports router 10 inside communication control unit 2 is connected to, DOL Data Output Line is connected to memory cell 4.Attitude Measuring Unit 6
Power input is connected to power distribution unit 1, and Communication Control line is connected to the He of serial ports router 10 inside communication control unit 2
The network switch 9.The power input of posture control unit 7 is connected to power distribution unit 1, and Communication Control line is connected to Communication Control
Serial ports router 10 inside unit 2.The power input of host computer 5 is connected to power distribution unit 1, and Communication Control line is connected to logical
Interrogate the network switch 9 inside control unit 2.The power input of memory cell 4 is connected to power distribution unit 1, Communication Control line
It is connected to the network switch 9 inside communication control unit 2.The power input of communication control unit 2 is connected to power distribution list
Member 1.The power input of power distribution unit 1 is connected to the power output interface of airborne platform, and Communication Control line is connected to communication
Serial ports router 10 inside control unit 2.The communication network port of serial ports router 10 is connected to communication control in control control unit 2
The network switch 9 in unit 2 processed.
Claims (1)
1. a kind of multi-channel image spectrum instrument circuit integrated system, includes power distribution unit (1), communication control unit (2), data
Recombiner unit (3), memory cell (4), host computer (5), Attitude Measuring Unit (6), posture control unit (7), wherein communication control
Unit (2) processed includes the network switch (9) and serial ports router (1).Power distribution unit (1) realizes power supply functions of physical supply；It is logical
News control unit (2) and host computer (5) realize the fast visual function of Communication Control, data；Data recombiner unit (3) realizes data transfer
Function；Memory cell (4) realizes data storage function；Attitude Measuring Unit (6) and communication control unit (2) realize that data are same
Step；Attitude Measuring Unit (6) and posture control unit (7) realize attitude stabilization function.
The multichannel camera data that multichannel EO-1 hyperion camera (8) is produced is exported to data composite plate (3), multichannel EO-1 hyperion camera
(8) power supply is provided by power distribution unit (1), and multichannel EO-1 hyperion camera (8) communication is using the connection of serial bus daisy chain form
To the internal serial ports router (10) of communication control unit (2)；Data recombiner unit (3) power input is connected to power distribution list
First (1), Communication Control line is connected to the internal serial ports router (10) of communication control unit (2), and DOL Data Output Line, which is connected to, to be deposited
Storage unit (4)；Attitude Measuring Unit (6) power input is connected to power distribution unit (1), and Communication Control line is connected to communication control
Unit (2) processed internal serial ports router (10) and the network switch (9)；Posture control unit (7) power input is connected to electricity
Source allocation unit (1), Communication Control line is connected to the internal serial ports router (10) of communication control unit (2).Host computer (5) electricity
Source input is connected to power distribution unit (1), and Communication Control line is connected to the internal network switch of communication control unit (2)
(9)；Memory cell (4) power input is connected to power distribution unit (1), and Communication Control line is connected to communication control unit (2)
The internal network switch (9).The power input of communication control unit (2) is connected to power distribution unit (1)；Power distribution list
The power input of first (1) is connected to the power output interface of airborne platform, and Communication Control line is connected in communication control unit (2)
The serial ports router (10) in portion；The communication network port of control control unit (2) interior serial ports router (10) is connected to communication control unit
The network switch (9) in first (2).
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| US20040167709A1 (en) * | 2002-09-20 | 2004-08-26 | M7 Visual Intelligence, Lp | Vehicle based data collection and processing system |
| CN1556374A (en) * | 2003-12-30 | 2004-12-22 | 中国科学院上海技术物理研究所 | Machine carried broom pushing type multidimension imaging device |
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