CN102778701A - Detecting system of foreign matters at airport runway - Google Patents
Detecting system of foreign matters at airport runway Download PDFInfo
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- CN102778701A CN102778701A CN2011101223516A CN201110122351A CN102778701A CN 102778701 A CN102778701 A CN 102778701A CN 2011101223516 A CN2011101223516 A CN 2011101223516A CN 201110122351 A CN201110122351 A CN 201110122351A CN 102778701 A CN102778701 A CN 102778701A
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Abstract
The invention relates to a detecting system of foreign matters at an airport runway. The detecting system comprises an image collecting device, an image intelligent analysis system, a movement track device, an auxiliary light source device, a warning device, a display device, a communication device, a computer system, an automatic control system and the like, wherein the detecting system is arranged at one side of the airport runway, the image collecting device and an auxiliary light source are erected on movement tracks, the runway is subjected to linear scanning through the linear movement of the tracks, meanwhile, scanning results are transmitted to the image intelligent analysis system for real-time analysis, the real-time early warning can be realized when problems are found, information including the shape, the coordinate point and the like of the foreign matters is displayed on the display device, and ground personnel are helped to eliminate the hidden trouble in time. The detecting system can realize the 24-hour all-day detection on the airport runway. The detecting system has the characteristics that the cost and the manufacture cost are low, the installation is convenient, the maintenance is simple, the judgment accuracy rate of the foreign matters is high, and the like. The whole set of equipment installation can adapt to the requirements of different airport runways.
Description
Technical field
The present invention relates to airfield runway foreign object detection system, combine the airfield runway foreign object detection system of tracks especially based on the intelligent image analytic system.
Background technology
Airfield pavement foreign matter FOD (Foreign Object Debris) gets final product certain external material, chip or the object that can damage aircraft or system.The harm that FOD brings not only can wrap up with seize valuable life, but also be accompanied by enormous economic loss.In time finding and get rid of exotic is important link of airport security, adopts new and high technology to realize airfield runway is carried out round-the-clock detection, can effectively improve the airfield runway safety coefficient and ensure the aircraft Normal Takeoff and Landing.
International at present, domestic airport runway detection technique mainly contains systems such as radar detection, Flame Image Process, infrared imaging:
1, Britain Tarsier: accurately locate
The research and development Tarsier1100 (T1100) of Britain Qinetiq company exotic detection system.The T1100 frequency of operation is 94.5GHz, and radar system is continuous wave frequency (FMCW), has the advantages that radar range is long, wave beam is narrow and resolution is high, can locate exactly the target location.Characteristics such as the FMCW technology has the detection sensitivity height, cost is low and peak power is low combine the real time digital signal treatment technology simultaneously, can carry out surveying automatically in real time and identification to target, can detect on the runway foreign material in time, reliably and locate.New system is on probation on airport, Vancouver in January, 2007, and the technician of US Federal Aviation Administration's (FederalAviation Administration is called for short " FAA ") tested this system in the general sieve train of thought of the U.S. in 2008.
This cover system shortcoming is to discern non-metallic objectsit is not a metal object, and can not judge the exotic shape, and rate of false alarm is higher.
2, Israel FODetect:
FO Detect system is by the Xsight company exploitation of Israel; System is made up of 77GHz millimetre-wave radar and picture pick-up device; A plurality of road face monitoring means (SDU) are installed in respectively on the runway edge lights of diverse location, and each SDU scans near the zone the runway center line marking, behind the discovery FOD; Can send warning message to the airdrome control personnel immediately, inform accurate position and the discovery time of FOD.Then, the equipment camera lens that can further provides the video image of FOD, finds that sensor can lock the position of FOD after the FOD, to help the airdrome control personnel FOD is taken away.At night, also can use laser designator to assist FOD is taken away.The design of FO Detect has reduced investment (relative and Tarsier system) to a certain extent; This system can accomplish the scanning to the whole piece runway in 30 seconds; The employing video recognition system can be after millimetre-wave radar detects FOD; Result of detection is carried out video confirm, thereby false alarm rate is reduced greatly.FO Detect system is installed on the boston, u.s.a airport at present, by the FAA personnel its performance is tested.Learn that from the website of Xsight the performance index of its FODetect system have surmounted the peak performance in " the airport FOD detecting devices " Advisory Circulars (AC No:150/5220-24) of FAA issue on September 30th, 2009.
3, Singapore iFerret: monitoring in real time
The iFerret intelligent video detection system of Singapore Stratechsystems company; Video camera through the advanced high resolving power function of every device across a certain distance on runway; Barrier on automatic detection and the identification runway, and complex image processing software can be made suitable adjustment to the illumination and the pavement conditions that change.After finding FOD, the image of object can amplify in system, and the realtime graphic to the user provides fragment lets the user see the article of discovery.The iFerret system can provide the time of accurate position, warning, the image of FOD and the lasting alarm logging behind the system discovery.IFerret is applied to the Zhangyi International airport of Singapore at present, and system is tested by FAA technician in the O'Hare in Chicago.In the runway foreign material are surveyed, find that video camera and video system receive the influence of brightness and weather, under the situation of low visibility, have a lot of limitation, performance receives the influence and the restriction of night and rainy weather environment.
More than a few cover airfield runway foreign object detection systems all have certain weak point, and involve great expense, show that mainly following several respects 1, exotic judging nicety rate are not high; 2, need multiple spot to arrange; 3, far away from runway distance; 4, night, light source was not enough; 5, device volume and arrangement are influential to runway; 6, electric wave, radar wave may disturb other communicator of runway.Not enough to above existence, advantage applies of the present invention exists: 1, adopt rail set, can closely be arranged near the runway and not runway is formed influence; 2, the intelligent image analytic system has ability of self-teaching, sets up standard exotic shape library, can quick and precisely discern exotic; 3, a whole set of detection system communication is main with the cable mode, can not impact the runway communication system; 4, owing to adopt rail set, reduced main image capture device and reduced a whole set of detection system cost, be convenient to install and later maintenance.
Summary of the invention
The object of the invention designs to some problems that exist in the present airfield runway foreign object detection system, and this cover airfield runway foreign object detection system mainly combines the tracks device that airfield runway is scanned detection based on image recognition technology, intelligent image analytic system, electromechanical control device, secondary light source.
Description of drawings
Fig. 1: airfield runway foreign object detection system
Fig. 2: airfield runway foreign object detection system work synoptic diagram
Embodiment
Airfield runway foreign object detection system of the present invention comprises rail set 1, imaging and secondary light source device 2, control center 3, transmission cable 5, acoustic-optic alarm 6 etc. shown in accompanying drawing 1.Rail set is installed in a side of airfield runway; Imaging device and secondary light source device are installed on the rail set; The scanning of accomplishing runway through the track rectilinear motion detects; Scan resulting result and be delivered to control center through transmission cable and do analyzing and processing, find that the exotic acoustic-optic alarm reports to the police automatically and show exotic coordinate position and shape in control center.
Embodiment:
The airfield runway foreign object detection system implementation process is following:
One, IMAQ:
High-quality IMAQ is the basis of judging exotic; In the airfield runway particular environment; Require 24 hours, round-the-clock runway is detected, the image that collects high-resolution requires very high to software and hardware, adopt linear imaging and 2 pairs of images of secondary light source device to gather in the present embodiment; Imaging and secondary light source device rectilinear motion on tracks 1 forms scanning plane, obtains the runway image.On rail set, move to the B point like synoptic diagram 2 imaging devices and secondary light source and form scanning plane C, obtain the runway image, scanning information is sent to control center 3 through transmission cable 5 by the A point.
Two, image pre-service:
Big to the airfield runway image area, this degree is changed big, characteristics such as strong noise improve the quality of image with pretreated algorithms of image such as gray scale transformation, histogram equalization, gaussian filtering, mean filters, reduce noise, enhancing is to this degree.
Three, exotic is judged:
Adopt the method for rim detection.The edge is meant that zone jumpy takes place gray scale in the image.The situation of change of gradation of image can reflect that (x, y), its directional derivative obtains local maximum on the normal direction to given consecutive image f on the edge of with the gradient of intensity profile.Through the exotic edge feature is judged the exotic shape.
Four, exotic feature extraction and classification
To detected exotic edge binary images; Utilize characteristic parameters such as mathematical morphology knowledge filtering and noise reduction, the area that extracts exotic, girth, circularity; The composition characteristic vector utilizes least square method supporting vector machine (LS-SVM) to come external species is discerned, classified.
Five, exotic early warning
The intelligent image analytic system is analyzed the runway image that scans; Find to provide instruction to warning system behind exotic or the doubtful exotic; Give the alarm through acoustooptic alarm system,, guide the surface work personnel to get rid of exotic simultaneously in display system mark exotic coordinate and shape.
Claims (6)
1. an airfield runway foreign object detection system comprises: image collecting device, image intelligent analytic system, tracks device, secondary light source device, warning device, display device, communicator, computer system, automatic control system.Tracks is erected at airfield runway one side, and IMAQ and secondary light source are installed in orbit, and image collecting device cooperates secondary light source with linear mode runway to be scanned, and accomplishes scanning and detection to whole runway regions in conjunction with the track rectilinear motion.The image that scans is real-time transmitted to Computer Control Unit through optical fiber transmission line, carries out real-time analysis and processing by the image intelligent analytic system.
2. airfield runway foreign object detection system according to claim 1 is characterized in that adopting the linear image acquisition mode to combine the track rectilinear motion to accomplish scanning and detection to runway, realizes the gapless fast detecting of airfield runway.
3. airfield runway foreign object detection system according to claim 1 and 2; It is characterized in that can realizing that through computer controlling center the follow procedure setting-up time scans detection to runway automatically, also can by demand by manually-operated at any time the section airfield runway is scanned detection.
4. airfield runway foreign object detection system according to claim 1 and 2; It is characterized in that imaging device and secondary light source device are installed in above the track, slide fast through computer system or manual control driven by motor imaging device and secondary light source synchronous linear together and detect with the scanning of accomplishing runway.
5. airfield runway foreign object detection system according to claim 1 and 2; The external fuzzy object image of the airfield runway storehouse that it is characterized in that the standard of setting up through advanced person's image algorithm; Real time scan signal and image library this to no delay Analysis scan image, find that suspicious item can mark the accurate coordinate position in display device and give the alarm through acoustic-optic alarm simultaneously.
6. airfield runway foreign object detection system according to claim 4 is characterized in that combining secondary light source can realize airfield runway round-the-clock detection in 24 hours.
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| CN2011101223516A CN102778701A (en) | 2011-05-12 | 2011-05-12 | Detecting system of foreign matters at airport runway |
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| CN2011101223516A CN102778701A (en) | 2011-05-12 | 2011-05-12 | Detecting system of foreign matters at airport runway |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103412348A (en) * | 2013-08-01 | 2013-11-27 | 北京青云航空仪表有限公司 | Track foreign substance examination radar scanner orientation unit |
| CN103412345A (en) * | 2013-08-16 | 2013-11-27 | 中国舰船研究设计中心 | Automatic aircraft carrier flight deck foreign matter detection and recognition system |
| CN103941305A (en) * | 2014-04-23 | 2014-07-23 | 中国科学院合肥物质科学研究院 | Method and device for detecting foreign object debris on high-speed movement plane |
| CN105301670A (en) * | 2015-01-08 | 2016-02-03 | 上海三达汽车配件有限公司 | Flexible anti-neglected loading multi-tube detection device |
| CN105516653A (en) * | 2015-11-25 | 2016-04-20 | 致象尔微电子科技（上海）有限公司 | Security and protection monitoring system |
| CN105974417A (en) * | 2016-07-26 | 2016-09-28 | 深圳中钧空间科学技术有限公司 | Millimeter wave radar receiving and processing system |
| CN109284697A (en) * | 2018-09-03 | 2019-01-29 | 江南大学 | Escape truck based on sliding window occupies real-time detection method |
| CN109507740A (en) * | 2018-12-27 | 2019-03-22 | 中国民航大学 | A kind of foreign body detection system for airfield runway and detection method based on track |
| CN109709622A (en) * | 2017-10-26 | 2019-05-03 | 上海云礼信息科技有限公司 | A kind of airfield runway FOD foreign matter detecting method |
| GB2598909A (en) * | 2020-09-17 | 2022-03-23 | Roboxi As | Runway maintenance apparatus |
| CN115792896A (en) * | 2022-12-12 | 2023-03-14 | 合肥视展光电科技有限公司 | Track type airport runway FOD detection method and system |
| CN115861958A (en) * | 2023-02-23 | 2023-03-28 | 中科大路(青岛)科技有限公司 | Vehicle-mounted FOD identification method, electronic equipment and storage medium |
| CN117152798A (en) * | 2023-10-30 | 2023-12-01 | 成都大熊猫繁育研究基地 | Panda colony house foreign matter identification system and method |
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2011
- 2011-05-12 CN CN2011101223516A patent/CN102778701A/en active Pending
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103412348B (en) * | 2013-08-01 | 2016-02-10 | 北京青云航空仪表有限公司 | Track foreign substance examination radar scanner orientation unit |
| CN103412348A (en) * | 2013-08-01 | 2013-11-27 | 北京青云航空仪表有限公司 | Track foreign substance examination radar scanner orientation unit |
| CN103412345A (en) * | 2013-08-16 | 2013-11-27 | 中国舰船研究设计中心 | Automatic aircraft carrier flight deck foreign matter detection and recognition system |
| CN103941305A (en) * | 2014-04-23 | 2014-07-23 | 中国科学院合肥物质科学研究院 | Method and device for detecting foreign object debris on high-speed movement plane |
| CN105301670B (en) * | 2015-01-08 | 2017-07-07 | 上海三达汽车配件有限公司 | A kind of flexible anti-neglected loading multitube detection means |
| CN105301670A (en) * | 2015-01-08 | 2016-02-03 | 上海三达汽车配件有限公司 | Flexible anti-neglected loading multi-tube detection device |
| CN105516653A (en) * | 2015-11-25 | 2016-04-20 | 致象尔微电子科技（上海）有限公司 | Security and protection monitoring system |
| CN105974417B (en) * | 2016-07-26 | 2019-01-01 | 深圳前海中钧空天科学技术有限公司 | Millimetre-wave radar receiving processing system |
| CN105974417A (en) * | 2016-07-26 | 2016-09-28 | 深圳中钧空间科学技术有限公司 | Millimeter wave radar receiving and processing system |
| CN109709622A (en) * | 2017-10-26 | 2019-05-03 | 上海云礼信息科技有限公司 | A kind of airfield runway FOD foreign matter detecting method |
| CN109284697A (en) * | 2018-09-03 | 2019-01-29 | 江南大学 | Escape truck based on sliding window occupies real-time detection method |
| CN109284697B (en) * | 2018-09-03 | 2021-05-14 | 江南大学 | Sliding window based real-time detection method for emergency channel occupation |
| CN109507740A (en) * | 2018-12-27 | 2019-03-22 | 中国民航大学 | A kind of foreign body detection system for airfield runway and detection method based on track |
| GB2598909A (en) * | 2020-09-17 | 2022-03-23 | Roboxi As | Runway maintenance apparatus |
| WO2022058562A3 (en) * | 2020-09-17 | 2022-07-07 | Roboxi As | Runway maintenance apparatus |
| CN115792896A (en) * | 2022-12-12 | 2023-03-14 | 合肥视展光电科技有限公司 | Track type airport runway FOD detection method and system |
| CN115861958A (en) * | 2023-02-23 | 2023-03-28 | 中科大路(青岛)科技有限公司 | Vehicle-mounted FOD identification method, electronic equipment and storage medium |
| CN117152798A (en) * | 2023-10-30 | 2023-12-01 | 成都大熊猫繁育研究基地 | Panda colony house foreign matter identification system and method |
| CN117152798B (en) * | 2023-10-30 | 2024-01-26 | 成都大熊猫繁育研究基地 | Panda colony house foreign matter identification system and method |
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Application publication date: 20121114 |