CN109873675A - A kind of aircraft skin visible light stealth system based on FPGA - Google Patents
A kind of aircraft skin visible light stealth system based on FPGA Download PDFInfo
- Publication number
- CN109873675A CN109873675A CN201711250781.XA CN201711250781A CN109873675A CN 109873675 A CN109873675 A CN 109873675A CN 201711250781 A CN201711250781 A CN 201711250781A CN 109873675 A CN109873675 A CN 109873675A
- Authority
- CN
- China
- Prior art keywords
- image
- fpga
- optical fiber
- decoding
- oled
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The aircraft skin visible light stealth system based on FPGA that the invention discloses a kind of, it is characterized in that the system comprises: image acquisition and processing system, optical fiber receives and protocol conversion mould group and OLED decoding and sensor module, the decoding and control unit use FPGA, optical fiber receives and the LVDS vision signal of the image to be displayed of protocol conversion mould group transmission enters FLASH, the image data being stored in external FLASH is called in external DRAM using FPGA, then refreshing is carried out in image matrix transformation and picture signal conversion module show from calling in image data in image display.The present invention is big using FPGA hardware system data amount of storage, and the fast advantage of calculating speed can be combined with fiber optic communication, unified to give aircraft other carriers, such as radar detector and driver carry out unified quickly communication.
Description
Technical field
The present invention relates to the stealthy field of engineering technology of airframe surface optical, are flown more particularly to a kind of using FPGA
The stealthy Hardware Design of machine photopic vision.System is totally divided into three parts, including image acquisition and processing system, optical fiber
It receives and protocol conversion mould group, OLED decoding and sensor module.Decoding and control section, LVDS video signal decoding mainly by
FPGA is realized.Using in FPGA image matrix transformation and picture signal conversion, will be stored in external FLASH using FPGA
Image data call in external DRAM, image data is then called in into image matrix transformation and figure from image display
It is shown as carrying out refreshing in signal conversion module.The design uses the stealthy Hardware Design weight of aircraft photopic vision of FPGA
Point breaks through the stealthy application of active illumination photopic vision, and research achievement can be used as number for practical fighter plane visible light optical is stealthy
According to reference and the technological reserve of early period.
Background technique
Five generation fighter planes by stealthy with integrated avionics system and logistics support significant improvement, by stealth,
Agility, flying quality, information fusion, better Situation Awareness and can network operation etc. be completely combined, produce and fight before this
Bucket machine develops the advantage never occurred in each stage.
Or camouflage method stealthy for airframe surface optical is using the image in ambient enviroment on usual battlefield
It is reflected on aircraft skin surface, forms the consistent color camouflage or stealthy with environment.The demand of visible light stealth sharply increases,
And then the requirement increase in demand that visible light signal inhibits.Application of the active illumination on aircraft skin is aircraft visible light stealth
One of concrete application.
Summary of the invention
Problem to be solved by this invention be how more effectively to realize visible light stealth and how be applied to fighter plane,
The key operational weapon such as unmanned plane, helicopter.Concrete application is carried out to aircraft visible light stealth vision using active illumination technology
It realizes.With the development of radar detedtor, the visible light stealth problem of aircraft is highlighted.
In order to break through the development of the prior art, the object of the present invention is to provide a kind of aircraft skins based on FPGA can
Light-exposed stealthy system, to realize the active illumination implementation method of visible light stealth.Its advantage can use conventional video sensor
With with flexible OLED, realize application of the active illumination visible light stealth on aircraft is stealthy.
To achieve the goals above, the technical scheme adopted by the invention is that: a kind of aircraft skin based on FPGA is visible
The stealthy system of light, it is characterised in that the system comprises:
Image acquisition and processing system for acquiring airframe surface image, and combines outer signals to carry out image procossing, raw
At the fiber-optic signal of image to be displayed；
Optical fiber receives and protocol conversion mould group, and the optical fiber receives between protocol conversion mould group and image acquisition and processing system
Using fiber optic communication, the optical fiber is received and protocol conversion mould group realizes the integration of picture signal and the optical fiber to image to be displayed
Signal is decoded, and converts thereof into the LVDS vision signal of image to be displayed；
OLED decoding and sensor module, the OLED decoding and sensor module and optical fiber receive between protocol conversion mould group
It is communicated by LVDS, includes that OLED driving is shielded with OLED decoding and sensor module, sensor unit, decoding and control are single
Member；Sensor unit is used to decode the LVDS vision signal of image to be displayed for acquiring outer signals, decoding and control unit,
And OLED driving screen is driven to be shown, the OLED driving screen is for showing image to be displayed.
Further, sensor unit includes luminance sensor, chromaticity transducer and Temperature Humidity Sensor.
Further, the decoding and control unit use FPGA, and optical fiber is received with the transmission of protocol conversion mould group to aobvious
The LVDS vision signal of diagram picture enters FLASH, is called in the image data being stored in external FLASH using FPGA external
In DRAM, then carry out from calling in image data in image display in image matrix transformation and picture signal conversion module
Refresh display.
Further, the system also includes power module, the power module includes two parts, and respectively master control supplies
Electric system and OLED display module power supply system.Master control power supply system will first be converted to 5V from 28V, then be converted to from 5V and turn respectively
It is changed to 3.3V, 2.5V, 1.2V power to FPGA and other periphery IC.LED display module power supply system requires to switch to 5V from 28V.
Compared with the prior art, the advantages of the present invention are as follows:
(1) big using FPGA hardware system data amount of storage, the fast advantage of calculating speed can be combined with fiber optic communication,
Unification gives aircraft other carriers, such as radar detector and driver carry out unified quickly communication；
(2) it is used uniformly the power supply that aircraft battery 28V carries out OLED illuminating device；
(3) figure is acquired and is identified using video sensor, verify Target Board and background luminance using grey-scale contrast
Contrast, airframe surface can be installed in different angle orientation simultaneously, be monitored sum number to aircraft surrounding enviroment
According to acquisition.
Detailed description of the invention
Fig. 1 is a kind of design diagram of aircraft skin visible light stealth system based on FPGA.
Fig. 2 is the schematic diagram of OLED decoding and sensor module.
Fig. 3 is that optical fiber receives and protocol conversion mould group schematic diagram.
Fig. 4 is the internal logic schematic diagram of decoding and control unit.
Fig. 5 is the system architecture schematic diagram of decoding and control unit.
It include: 1, image acquisition and processing system in figure, 2, optical fiber, 21, communication role optical fiber, 22, optical fiber in kind, 23,
Single optical fiber receives and protocol conversion mould group, 3, optical fiber reception and protocol conversion mould group, 4, LVDS, 5, OLED decoding and sensor
Mould group, 52 decodings and control unit, 53, OLED driving screen.
Specific embodiment
It elaborates with reference to the accompanying drawings and examples to the present invention.
As shown in Figure 1, system of the invention is totally divided into three parts, including image acquisition and processing system 1, optical fiber connect
It receives and protocol conversion mould group 3, OLED is decoded and sensor module 5.Image acquisition and processing system 1 and optical fiber receive and agreement turns
It is communicated between mold changing group 3 using optical fiber 2, between OLED decoding and sensor module 5 and OLED is decoded and sensor module 5 and light
Fibre, which is received, to be communicated between protocol conversion mould group 3 using LVDS4.
Fig. 2 is the schematic diagram of OLED decoding and sensor module.OLED decoding and sensor module 5 include three parts:
OLED point array element, sensor unit, decoding and control unit；OLED driving screen 53 contains OLED illuminant array and OLED
Driving circuit.Sensor unit 51 contains luminance sensor, chromaticity transducer, Temperature Humidity Sensor etc..Decoding and control are single
Member 52 mainly includes FPGA and MCU, and LVDS video signal decoding is mainly realized that control section is realized by MCU by FPGA.
OLED driving screen 53, wherein combination is that RGB three-primary colours develop the color.
Fig. 3 is that optical fiber receives and protocol conversion mould group.It is received in optical fiber and protocol conversion part will realize two functions: one
It is a that picture signal is reintegrated, by original mode being changed by column scan by row by every piece of luminous swept-volume.It is another
It is a that fiber-optic signal is decoded, and the result that picture signal has been reintegrated is exported with LVDS signal.Optical fiber receives
With protocol conversion mould group.
Wherein 21 be communication role optical fiber, for receiving the signal of video sensor sending.22 be optical fiber in kind.23 be single
A optical fiber receives and protocol conversion mould group, each optical fiber receives and the corresponding OLED driving screen of protocol conversion mould group 23
53.LVDS 4 is level standard, low-voltage differential signal.5 be OLED decoding and sensor group, is communicated using LVDS.
Fig. 4 is the internal logic of decoding and control unit.After system starting, Flash_ctl is by the figure in flash
It calls in as data in built-in FIFO, and successively writes data into data in DDR through MCB module by DDR_ctl,
And construct image list.
The control logic to system is generated using USART and EXP_IO two ways.When data pass through external EXPIO
Perhaps USART is passed to EXP_IO_ctl module or EXP_USART_ctl in system and reads control information, and is posted with data
The form of storage is fed in PIC_Select module.
PIC_Select module can be read accordingly according to the image sequence number or control instruction provided from DDR_ctl
The image data for needing to refresh is into PIC_Select built-in RAM.It completes data connection to data format module after dispatching
In, data are encoded and are sent to the OLED display module of rear class.
Fig. 5 is the system architecture schematic diagram of decoding and control unit.By external DDR, FLASH, Config_flash etc.
IC is substituted using arm processor.Consider that independent arm processor has enough memories and FLASH, does not need to reuse FPGA's
Logic module carries out carrying out complicated data dispatch, can reach the purpose of data interaction using only programming, improves system
Development rate.
System is drive module using the High-speed I/O of FPGA, and it is main logic unit that data dispatch and control, which use ARM,.
ARM is connected with FPGA using parallel bus to improve the speed of service.
Consider there are enough RAM and FLASH in independent ARM chip, do not need here hardware end consider data storage and
The problem of scheduling, simplifies the design cycle of FPGA.System directly reads image data from ARM, and to the image in FPGA
Matrixing and picture signal conversion module system architecture are refreshed.
Claims (4)
1. a kind of aircraft skin visible light stealth system based on FPGA, it is characterised in that the system comprises:
Image acquisition and processing system for acquiring airframe surface image, and combines outer signals to carry out image procossing, raw
At the fiber-optic signal of image to be displayed；
Optical fiber receives and protocol conversion mould group, and the optical fiber receives between protocol conversion mould group and image acquisition and processing system
Using fiber optic communication, the optical fiber is received and protocol conversion mould group realizes the integration of picture signal and the optical fiber to image to be displayed
Signal is decoded, and converts thereof into the LVDS vision signal of image to be displayed；
OLED decoding and sensor module, the OLED decoding and sensor module and optical fiber receive between protocol conversion mould group
It is communicated by LVDS, includes that OLED driving is shielded with OLED decoding and sensor module, sensor unit, decoding and control are single
Member；Sensor unit is used to decode the LVDS vision signal of image to be displayed for acquiring outer signals, decoding and control unit,
And OLED driving screen is driven to be shown, the OLED driving screen is for showing image to be displayed, the decoding and control unit
Using FPGA, optical fiber is received and the LVDS vision signal of the image to be displayed of protocol conversion mould group transmission enters FLASH, is used
FPGA calls in the image data being stored in external FLASH in external DRAM, then by image from image display
Data, which are called in, to be carried out refreshing in image matrix transformation and picture signal conversion module and shows.
2. a kind of aircraft skin visible light stealth system based on FPGA as described in claim 1, which is characterized in that sensor
Unit includes luminance sensor, chromaticity transducer and Temperature Humidity Sensor.
3. a kind of aircraft skin visible light stealth system based on FPGA as described in claim 1, it is characterised in that the system
System further includes power module, and the power module includes two parts, and respectively master control power supply system and OLED display module supplies
Electric system.
4. a kind of aircraft skin visible light stealth system based on FPGA as described in claim 1, which is characterized in that optical fiber connects
It receives and protocol conversion mould group realizes two functions, one is reintegrating for picture signal, is turned original by row by column scan
Becoming the mode by every piece of luminous swept-volume, another is decoded fiber-optic signal, and picture signal has been reintegrated
As a result it is exported with LVDS signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711250781.XA CN109873675A (en) | 2017-12-01 | 2017-12-01 | A kind of aircraft skin visible light stealth system based on FPGA |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711250781.XA CN109873675A (en) | 2017-12-01 | 2017-12-01 | A kind of aircraft skin visible light stealth system based on FPGA |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109873675A true CN109873675A (en) | 2019-06-11 |
Family
ID=66914671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711250781.XA Pending CN109873675A (en) | 2017-12-01 | 2017-12-01 | A kind of aircraft skin visible light stealth system based on FPGA |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109873675A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101612993A (en) * | 2009-07-28 | 2009-12-30 | 北京派瑞根科技开发有限公司 | Concealed aircraft |
| CN101614935A (en) * | 2009-07-28 | 2009-12-30 | 北京派瑞根科技开发有限公司 | Realize the device of object stealth |
| CN101614939A (en) * | 2009-07-28 | 2009-12-30 | 北京派瑞根科技开发有限公司 | Realize stealthy composite layer |
| US20100271253A1 (en) * | 2009-04-24 | 2010-10-28 | Lockheed Martin Corporation | Cnt-based signature control material |
| CN102096088A (en) * | 2010-12-08 | 2011-06-15 | 西北核技术研究所 | Multipath pulse signal acquisition device for use in radiation detection |
| CN104160219A (en) * | 2011-10-18 | 2014-11-19 | 太阳伙伴科技公司 | Rigid or flexible solar collector with an image displayed on the surface and methods for producing same |
| US20140360618A1 (en) * | 2011-12-31 | 2014-12-11 | Advanced Manufacture Technology Center, China Academy Of Machinery Science & Technology | Multi-dimensional Weaving Shaping Machine of Composite Materials |
| CN104539886A (en) * | 2014-12-09 | 2015-04-22 | 中国科学院上海技术物理研究所 | Infrared digital image acquisition and transmission system and method based on optical fiber communication |
| CN105373653A (en) * | 2015-10-23 | 2016-03-02 | 内蒙古科技大学 | Method for positioning large-scale weak-rigidity thin-shell workpieces |
-
2017
- 2017-12-01 CN CN201711250781.XA patent/CN109873675A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100271253A1 (en) * | 2009-04-24 | 2010-10-28 | Lockheed Martin Corporation | Cnt-based signature control material |
| CN101612993A (en) * | 2009-07-28 | 2009-12-30 | 北京派瑞根科技开发有限公司 | Concealed aircraft |
| CN101614935A (en) * | 2009-07-28 | 2009-12-30 | 北京派瑞根科技开发有限公司 | Realize the device of object stealth |
| CN101614939A (en) * | 2009-07-28 | 2009-12-30 | 北京派瑞根科技开发有限公司 | Realize stealthy composite layer |
| CN102096088A (en) * | 2010-12-08 | 2011-06-15 | 西北核技术研究所 | Multipath pulse signal acquisition device for use in radiation detection |
| CN104160219A (en) * | 2011-10-18 | 2014-11-19 | 太阳伙伴科技公司 | Rigid or flexible solar collector with an image displayed on the surface and methods for producing same |
| US20140360618A1 (en) * | 2011-12-31 | 2014-12-11 | Advanced Manufacture Technology Center, China Academy Of Machinery Science & Technology | Multi-dimensional Weaving Shaping Machine of Composite Materials |
| CN104539886A (en) * | 2014-12-09 | 2015-04-22 | 中国科学院上海技术物理研究所 | Infrared digital image acquisition and transmission system and method based on optical fiber communication |
| CN105373653A (en) * | 2015-10-23 | 2016-03-02 | 内蒙古科技大学 | Method for positioning large-scale weak-rigidity thin-shell workpieces |
Non-Patent Citations (1)
| Title |
|---|
| 肖敏: "未来战场"乾坤挪移"隐形术", 《环球军事》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104469464B (en) | Image display device, method for controlling image display device, computer program, and image display system | |
| TWI639991B (en) | Led display device | |
| TW200805912A (en) | Transmission apparatus with fiber high-definition digital video data interface | |
| CN104123915B (en) | LED intelligent glass display system unit and system | |
| CN109427288A (en) | Displaying screen controller, display control program and method | |
| US20170332148A1 (en) | Distributed digital projection system for a vehicle | |
| CN109429016A (en) | Display control program | |
| US20130027279A1 (en) | Color display system | |
| US6639569B2 (en) | Integrated heads-up display and cluster projection panel assembly for motor vehicles | |
| CN109873675A (en) | A kind of aircraft skin visible light stealth system based on FPGA | |
| CN101645229A (en) | Display module, control module and split display device | |
| CN105141905B (en) | A kind of joined screen system and its implementation | |
| CN104035798B (en) | Multifunctional electronic equipment with function of sequential starting up and starting up method of electronic equipment | |
| CN108898985B (en) | Master-slave optical fiber video playing system | |
| CN106448602A (en) | Medical display device | |
| CN110164345A (en) | A kind of rotating display device and splicing system based on FPGA | |
| CN216122706U (en) | Laser projector driving device and laser projector | |
| CN102281400A (en) | High-speed spherical video camera | |
| WO2014118710A1 (en) | An image processing module comprising a fpga | |
| CN211264018U (en) | Liquid crystal display and television | |
| CN113923426A (en) | Laser projector driving device and laser projector | |
| CN208691415U (en) | Multichannel real-time high definition image Transmission system | |
| CN111866410A (en) | Display processing system capable of receiving multiple optical fiber SDI signals | |
| CN105516626A (en) | Content providing device, liquid crystal display device and display system | |
| CN203311096U (en) | Head-up display based on thin-film field effect transistor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190611 |