CN103018785A - Airfield runway foreign substance detecting system - Google Patents
Airfield runway foreign substance detecting system Download PDFInfo
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- CN103018785A CN103018785A CN2011102799509A CN201110279950A CN103018785A CN 103018785 A CN103018785 A CN 103018785A CN 2011102799509 A CN2011102799509 A CN 2011102799509A CN 201110279950 A CN201110279950 A CN 201110279950A CN 103018785 A CN103018785 A CN 103018785A
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Abstract
The invention discloses an airfield runway foreign substance detecting system which comprises a plurality of fixed point high definition cameras and a flow detection vehicle, wherein the plurality of fixed point high definition cameras are alternately arranged on the two sides of an airfield runway, and the flow detection vehicle is provided with a laser distance measuring instrument, a metal detector and a vehicle-mounted camera as well as a vehicle-mounted central control computer; the plurality of fixed point high definition cameras and the flow detection vehicle are connected with a monitoring center signal through a wireless network signal, the laser distance measuring instrument is connected with the vehicle-mounted central control computer through a serial port, and the vehicle-mounted camera is directly externally connected through a USB (universal serial bus) interface; and the metal detector is connected with the vehicle-mounted central control computer through the serial port. The airfield runway foreign substance detecting system provided by the invention has the advantages that the cost is low, the fault tolerant rate is high, the airfield runway foreign substance detecting system can operate all the time, and metal foreign substances can be detected preciously; and the high definition cameras are adopted to combine the serial on-line 'coarse detection' and vehicle-mounted 'fine detection', the whole detection system is guaranteed, and the detection task is reliably and accurately finished under dual insurance.
Description
Technical field
The present invention relates to a kind of airfield runway management devices, particularly relate to the foreign matter inspecting system for airport runway that a kind of employing high-definition camera and moving testing vehicle (trailer-mounted radar) detect.
Background technology
It is one of target of airfield runway management pursuit that the runway foreign matter detects with the robotization of identifying always.Airfield pavement foreign body FOD(Foreign Object Debris), can be able to damage certain external material, chip or the object of aircraft or system.The harm that FOD brings not only can wrap up and is seized valuable life, but also is accompanied by huge economic loss.
IFerret intelligent video detection system, by on runway every the video camera of certain spacing device advanced person's high resolving power function, barrier on automatic detection and the identification runway, complicated image processing software can be made suitable adjustment for the illumination and the pavement conditions that change.After finding FOD, the image of object can amplify in system, and the realtime graphic of fragment is provided to the user, allows 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.The precision of this system can reach surveys the big or small object of 1cm that is.
IFerret now is applied to the Zhangyi International airport of Singapore, and system is tested by FAA technician in the O'Hare of Chicago.In the runway foreign material are surveyed, find that video camera and video system are subjected to the impact of brightness and weather, in the situation that low visibility has a lot of limitation, performance is subject to impact and the restriction of night and rainy weather environment.
By a cover mobile monitoring system FOD Finder system of U.S. Trex Enterprises company exploitation, can be installed in the roof of vehicle.System is comprised of supervisory system and daemon software disposal system, and what supervisory system was used is the 78-81GHz millimetre-wave radar, and radar scanning speed is 30 beats/mins, and radius of investigation is 200 meters, is contained in the radome of roof; Camera system also is loaded on roof, is used for following the tracks of the FOD that finds.
Summary of the invention
This practical novel two kinds of top advantages is merged into a single whole provides a kind of airfield runway inspection of foreign substance assembling system, and the FOD that this system can the accurate detection runway can save very large cost again.
The technical scheme of taking is:
A kind of foreign matter inspecting system for airport runway, comprise a plurality of fixed point high-definition cameras, moving testing vehicle, described a plurality of fixed point high-definition camera is spaced apart and arranged in the side of airfield runway, be provided with laser range finder on the described moving testing vehicle, metal detector and vehicle-mounted camera, vehicle-mounted center-controlling computer.A plurality of fixed point high-definition cameras and moving testing vehicle connect with the Surveillance center signal by wireless network signal, and laser range finder connects with vehicle-mounted center-controlling computer by serial ports, and vehicle-mounted camera is directly external by USB interface.Metal detector connects with vehicle-mounted center-controlling computer by serial ports.
Carry out whole day according to the total length of runway every 400 meter amperes dress high-definition camera and survey the runway foreign matter, with the image surveyed through wireless network transmissions to Surveillance center through the image processing software of complexity process draw coordinate then the alert notice staff take measures.When in like manner utilizing moving testing vehicle to carry out " essence is swept ", the image process wireless network transmissions of shooting is to Surveillance center.The effect of high-definition camera is to carry out round-the-clock 24 " bigness scale " under the prerequisite that does not affect the normal flight business, the effect of moving testing vehicle then is to determine whether suspending navigational matters with the danger of carrying out " accurate measurement " and detection analysis foreign matter to take measures when " bigness scale " finds target, do not have this to take photo record coordinate position as putting on record, carry out the emphasis cleaning next time when cleaning.
System adopts the robust and sturdy 200 meters autofocus systems of goatsucker series that reach in Changchun, can guarantee the resolution at the 5mm of 200 meters scopes, then the whole airport of autoscan scope, each check point are disposal systems independently, finally by wireless network transmissions to the center.
In general, in above-mentioned application, because target range is far away, and is subject to strong background clutter and disturbs, thereby in imaging system, show as the Weak target characteristic, and target almost completely is submerged among background and the noise, direct-detection to go out the target difficult that becomes.In addition, according to basic etection theory as can be known, an optimum and the detecting device of easily realizing are all simple based on the comparison, and statistical model---signal adds Gauss's White Noise Model, and actual input picture is non-white, non-flat strong clutter usually, and this has just further increased the difficulty of target detection.Therefore, in this case, the secondary strategy that must employing suppresses first strong background clutter, detects again.The purpose of Background clutter suppression just is to remove background interference, keeps target energy, improves the signal-to-clutter ratio of target, makes target from the background saliency out.
The Background clutter suppression method that native system adopts fuzzy C-mean algorithm (FCM) cluster to combine with iterative least square (RLS) filtering, mainly be for the background of jamming target being removed or greatly being weakened, thereby improve the signal-to-clutter ratio of target, strengthen and detect performance.It is a plurality of subdomains that the image of input at first adopts the FCM clustering, and the pixel grey scale in each subdomain is similar, can regard the accurate stable data of gray scale as.Again whole two field picture is divided into equably the identical sub-block of some sizes, then in each sub-block, utilizes RLS filtering estimated background clutter for every class subdomain and with its removal.
This practical novel advantage is:
1) high starting point, high precision, high reliable.
2) low cost.
3) serious forgiveness is high.
4) can all weather operations.
5) on the moving testing vehicle metal detector is housed, can detects accurately metallic foreign body.
Description of drawings
Fig. 1 is the system global structure figure that foreign body detecting device is gone on airport of the present invention.
Fig. 2 is the inspection vehicle structural drawing.
Embodiment
A kind of foreign matter inspecting system for airport runway comprises a plurality of fixed point high-definition cameras 3, moving testing vehicle 5.A plurality of fixed point high-definition cameras 3 are spaced apart and arranged in the side of airfield runway 6, are provided with laser range finder 7 on the moving testing vehicle 5, metal detector 4 and vehicle-mounted camera 9, vehicle-mounted center-controlling computer 8.A plurality of fixed point high-definition cameras 3 and moving testing vehicle 5 connects with Surveillance center 1 signal by wireless network signal 2, and laser range finder 7 connects with vehicle-mounted center-controlling computer 8 by serial ports, and it is directly external that vehicle-mounted camera 9 passes through USB interface.Metal detector 4 connects with vehicle-mounted center-controlling computer 8 by serial ports.
Carry out whole day according to the total length of airfield runway 6 every 400 meter amperes dress high-definition camera 3 and survey the runway foreign matter, with the image surveyed through wireless network 2 be transferred to Surveillance center 1 through complicated image processing software process draw coordinate then the alert notice staff take measures.When in like manner utilizing moving testing vehicle 5 to carry out " essence is swept ", the image of shooting is transferred to Surveillance center 1 through wireless network 2.The effect of high-definition camera 3 is to carry out round-the-clock 24 " bigness scale " under the prerequisite that does not affect the normal flight business, the effect of moving testing vehicle 5 then is to determine whether suspending navigational matters with 5 danger of carrying out " accurate measurement " and detection analysis foreign matter to take measures when " bigness scale " finds target, do not have this to take photo record coordinate position as putting on record, carry out the emphasis cleaning next time when cleaning.
Claims (1)
1. foreign matter inspecting system for airport runway, comprise a plurality of fixed point high-definition cameras, moving testing vehicle, it is characterized in that described a plurality of fixed point high-definition camera is spaced apart and arranged in the side of airfield runway, be provided with laser range finder on the described moving testing vehicle, metal detector and vehicle-mounted camera, vehicle-mounted center-controlling computer, a plurality of fixed point high-definition cameras and moving testing vehicle connect with the Surveillance center signal by wireless network signal, laser range finder connects with vehicle-mounted center-controlling computer by serial ports, vehicle-mounted camera is directly external by USB interface, and metal detector connects with vehicle-mounted center-controlling computer by serial ports.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102799509A CN103018785A (en) | 2011-09-21 | 2011-09-21 | Airfield runway foreign substance detecting system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102799509A CN103018785A (en) | 2011-09-21 | 2011-09-21 | Airfield runway foreign substance detecting system |
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| CN103018785A true CN103018785A (en) | 2013-04-03 |
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| CN2011102799509A Pending CN103018785A (en) | 2011-09-21 | 2011-09-21 | Airfield runway foreign substance detecting system |
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Cited By (6)
| 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 |
| 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 |
| CN107422390A (en) * | 2017-06-27 | 2017-12-01 | 中国人民解放军空军勤务学院 | A kind of airfield pavement foreign body intelligent detecting and purging system |
| US20180286029A1 (en) * | 2015-10-08 | 2018-10-04 | Nec Lighting, Ltd. | Runway illumination light inspection apparatus and runway illumination light inspection method |
| 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 |
| CN112198499A (en) * | 2020-09-03 | 2021-01-08 | 中标慧安信息技术股份有限公司 | Airport runway foreign matter monitoring system based on thing networking |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020109625A1 (en) * | 2001-02-09 | 2002-08-15 | Philippe Gouvary | Automatic method of tracking and organizing vehicle movement on the ground and of identifying foreign bodies on runways in an airport zone |
| US20110199254A1 (en) * | 2008-10-03 | 2011-08-18 | Trex Enterprises Corp | Millimeter wave surface imaging radar system |
| CN202267751U (en) * | 2011-09-21 | 2012-06-06 | 沈阳理工大学 | Foreign matter inspecting system for airport runway |
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2011
- 2011-09-21 CN CN2011102799509A patent/CN103018785A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020109625A1 (en) * | 2001-02-09 | 2002-08-15 | Philippe Gouvary | Automatic method of tracking and organizing vehicle movement on the ground and of identifying foreign bodies on runways in an airport zone |
| US20110199254A1 (en) * | 2008-10-03 | 2011-08-18 | Trex Enterprises Corp | Millimeter wave surface imaging radar system |
| CN202267751U (en) * | 2011-09-21 | 2012-06-06 | 沈阳理工大学 | Foreign matter inspecting system for airport runway |
Cited By (8)
| 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 |
| 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 |
| 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 |
| US20180286029A1 (en) * | 2015-10-08 | 2018-10-04 | Nec Lighting, Ltd. | Runway illumination light inspection apparatus and runway illumination light inspection method |
| US10521899B2 (en) * | 2015-10-08 | 2019-12-31 | HotaluX, Ltd. | Runway illumination light inspection apparatus and runway illumination light inspection method |
| CN107422390A (en) * | 2017-06-27 | 2017-12-01 | 中国人民解放军空军勤务学院 | A kind of airfield pavement foreign body intelligent detecting and purging 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 |
| CN112198499A (en) * | 2020-09-03 | 2021-01-08 | 中标慧安信息技术股份有限公司 | Airport runway foreign matter monitoring system based on thing networking |
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Application publication date: 20130403 |