WO2010049224A2 - Dispositif de balisage d'un terrain d'aviation d'un aéroport - Google Patents

Dispositif de balisage d'un terrain d'aviation d'un aéroport Download PDF

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Publication number
WO2010049224A2
WO2010049224A2 PCT/EP2009/062409 EP2009062409W WO2010049224A2 WO 2010049224 A2 WO2010049224 A2 WO 2010049224A2 EP 2009062409 W EP2009062409 W EP 2009062409W WO 2010049224 A2 WO2010049224 A2 WO 2010049224A2
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WO
WIPO (PCT)
Prior art keywords
firing
ioc
video
image
lighting device
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.)
Ceased
Application number
PCT/EP2009/062409
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German (de)
English (en)
Other versions
WO2010049224A3 (fr
Inventor
Jean-Claude Vandevoorde
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ADB bvba
Original Assignee
ADB bvba
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ADB bvba filed Critical ADB bvba
Publication of WO2010049224A2 publication Critical patent/WO2010049224A2/fr
Publication of WO2010049224A3 publication Critical patent/WO2010049224A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
    • B64F1/00—Ground or aircraft-carrier-deck installations
    • B64F1/18—Visual or acoustic landing aids
    • B64F1/20—Arrangement of optical beacons

Definitions

  • the invention relates to a device for airfield lighting an airport according to the preamble of claim 1.
  • Airport beacons serve to guide pilots, especially in poor visibility conditions, when their aircraft is approaching the runway or moving on taxiways between the runway and its parking position.
  • firing units for example approach, threshold, runway, taxiway and apron fire are known, which can be designed as overground or roll over underfloor fire.
  • the firing units are connected in series or parallel circuits to firing devices powered by constant current or constant voltage sources.
  • International standards such as Annex 14 of the International Civil Aviation Association (ICAO), prescribe photometric values for the individual types of firing units for their brightness or actual light emission, which must be complied with in the production of the firing unit. These are the color and the light distribution that are tested on a projection screen. But even during operation firing units are constantly to monitor their function in terms of light emission.
  • ACS AGL-200 ", Order No. E10001-T95-A151-V1-7600, published by ADB - A Siemens Company, discloses a system for controlling and monitoring an airfield-lighting device. based control solution that supports the control staff in an airport control tower with automated functions to reduce their workload, as well as centralize technical data on status, alarm and event messages of the system to improve maintenance.
  • the system consists of a workstation with a display device operable by touching the screen surface in the control tower with a control and monitoring device, which is connected via a so-called powerline communication up to 16 constant current controller and a computer in a substation.
  • the communication between the individual nodes is typically based on optical fibers.
  • the control and monitoring functions include switching the firing units on and off as well as setting a brightness level.
  • the control can be carried out for individual firing units or groups of firing units.
  • the control and monitoring of taxiway lights and stop line fires takes place via individual circuits. It is possible to monitor the status of constant current controllers.
  • the touchscreen in the airport control tower offers an overview of the entire airport, the current status of the system and current alarm messages via the selection of various window settings.
  • an airport lighting system which has a device for monitoring, control and regulation of their light sources or groups of light sources.
  • the light sources each have at least one luminous means unit, which is associated with a transmitter / receiver device with a microcontroller.
  • This device is connected via a power supply line and a router to a control center, which has a transmitting / receiving part and a control computer, connected and acted upon from there with control commands.
  • the microcontrollers of each light-emitting unit are components of a decentralized control device, the application-specific components, e.g. Switching, monitoring and adjustment elements, has.
  • the current light distribution can be exceeded by mobile measuring equipment. be checked.
  • a technically caused, lower accuracy and reproducibility of the light exit and distribution measurement in comparison to the laboratory measurement must be accepted.
  • the functional test is limited to the immediate visual inspection by maintenance personnel during breaks or the indirect determination of the light emission, in which the flow of current through the lighting unit is monitored.
  • a monitoring device for the lamp failure in aerodrome lighting systems is known in which the lamps are fed via series-connected current transformers.
  • the lamps are each located in the secondary winding circuits of the current transformer.
  • the signaling circuit contains an oscillator which feeds characteristic AC voltage signals into the lamp circuit for the lamp position and / or lamp function and into the supply circuit via the current transformer. In a central office, the oscillator signals are decoded and evaluated with regard to lamp position and / or lamp function.
  • the device comprises a mounted on a light bulb power line transformer device, which is connected via a coil core, a first winding which is wound on the coil core and connected in series with the corresponding lamp, and a second winding, which on the incandescent power line through the Spool core is wound, has. Furthermore, the device comprises a vibration generator, which operates from the output voltage of the second winding and generates a predetermined frequency to provide the vibrator with an output signal of the predetermined frequency to the incandescent power line. The vibrator provides, via a third winding wound on the spool core, an output signal to the filament power line, whereby a large number of electric lamps can be accurately detected and monitored from a central location.
  • the invention is therefore based on the object to provide an aircraft field-firing device of the type mentioned, whose firing units can be monitored for their actual light emission and thus on the sufficient brightness of the emitted to an aircraft pilot optical signal.
  • the monitoring device has at least one video camera for receiving a digital video image of the at least one firing unit
  • a low-cost, high-availability and high-performance detection system is proposed for the function control, which captures the optical signal currently emitted by the firing unit.
  • Video cameras are suitable for recording digitally evaluable video images of light signals, be it overhead lights or underfloor fires, but also from billboards under a wide range of recording conditions - for example in the sun, in precipitation or at night.
  • the monitoring device according to the invention can be used in addition to or instead of known fault detection circuits in order to provide a redundant system for fault detection in one case and a more cost-effective one in the other case.
  • the monitoring device has a modular design, since video cameras can be installed successively on the airfield; for example, high-security airfield segments such as approach lighting, runway lighting and stop line lighting could initially be monitored in order to monitor other airfield segments such as the taxiways, the apron and other ground motion areas in a later expansion phase.
  • high-security airfield segments such as approach lighting, runway lighting and stop line lighting could initially be monitored in order to monitor other airfield segments such as the taxiways, the apron and other ground motion areas in a later expansion phase.
  • the at least one video camera is arranged and aligned such that the recorded video image has a group of several firing units.
  • the number of video cameras used can be kept small.
  • this is an over- It can be obtained from a group of functionally related firing units, such as the entire approach lighting or the entire firing of a stop line.
  • the at least one video camera is arranged and aligned such that the video image of the one or more firing units can be received approximately from the direction of the aircraft driver.
  • the recorded video image forms a pilot's view of firing units which should give optical signals to them.
  • the function control thus takes place from the point of view of the observer for whom the light signals are intended.
  • the at least one video camera is designed for the periodic recording of video images.
  • cyclical monitoring is possible at predeterminable time intervals, so that a permanent image acquisition and the associated data volume which is to be processed are dispensed with.
  • the monitoring instants can be stored in advance in the system, whereby nobody has to be active for monitoring during system operation.
  • the at least one video camera is mounted above the floor at a soil holder having a predetermined breaking point.
  • the above-ground arrangement better simulates the angle of view of a pilot, while the predetermined breaking point of the ground support, for example in the event of an emergency landing, provides defined breaking properties of the mount.
  • the video cameras of the monitoring device thus represent calculable obstacles.
  • the monitoring device has an evaluation device for evaluating a recorded video image with regard to an externally perceivable brightness level of an imaged firing unit.
  • the brightness and / or color of the optical signal emitted by a firing unit can be recognized by suitable evaluation algorithms based on pattern recognition by assigning color and / or gray scale levels to the individual pixels. For example, a larger expansion of brighter pixels around the firing unit may indicate a higher brightness level.
  • the evaluation device of the inventive firing device has storage means in which reference images with illumination units adjustable brightness levels are stored, and comparison means, by means of which the currently perceptible brightness level of each recorded firing unit can be determined by comparing a recorded video image with the reference images.
  • Each video camera is assigned to the firing units which can be received by it in on or off state as well as in differently adjustable brightness levels in the form of reference images in the storage means.
  • This comparison basis is recorded, for example, after a maintenance procedure, so that it is ensured that the respective optimal target state is displayed on the reference images.
  • the brightness of the recorded firing units set at the time of recording is transmitted to the evaluation device, so that the appropriate reference image is used there as a basis for comparison.
  • the currently recorded video image of the firing units is now compared firing unit for firing unit to match the brightness and / or color of the emitted light signal.
  • the comparison means of the firing device according to the invention are designed such that in a first step image areas of interest can be determined, in which firing units are mapped, and in a second step, a brightness level can be assigned to each image area of interest by pixel comparisons.
  • image areas of interest can be determined, in which firing units are mapped
  • a brightness level can be assigned to each image area of interest by pixel comparisons.
  • the monitoring device has a display device for reproducing recorded video images, which is connected to the evaluation device in such a way that a currently recorded video image is automatically reproduced as soon as a determined brightness level for a firing unit is set from the setpoint brightness. differs from the brightness level.
  • the display device can be arranged, for example, centrally, for example in the control tower or in a maintenance station of the airport. A video image is then automatically reproduced by the display device and thus made known to the control or maintenance personnel when at least one of the recorded firing units does not emit an optical signal or an optical signal which does not correspond in color and / or brightness to the brightness state set by a control unit ,
  • the display device of the firing device according to the invention is designed to reproduce a composite of a plurality of video images recorded by different video cameras overall picture.
  • both the chronological course of the same firing excerpt and, in an overall representation, a plurality of simultaneously recorded video images can be reproduced by means of the central display device. Due to the temporal development The brightness of a particular firing unit can be used to obtain important maintenance information.
  • the overall overview of a large number of firing units forms an important basis for decision making for possible switching interventions by the control personnel.
  • the display device is designed to reproduce a switching recommendation and / or a maintenance instruction for the firing units. If, for example, it is determined by the evaluation device that the brightness emitted by the recorded firing units falls below a certain threshold overall, the display means can automatically reproduce a corresponding maintenance instruction for these firing units with their installation locations. Alternatively or in parallel, a switching recommendation, for example switching a higher brightness level, can be reproduced.
  • An aircraft A taxiing along a taxiway T of an airport along its centerline C moves toward a runway R according to the single figure. From the direction of view V of a pilot of the aircraft A can see this along the center line C underfloor arranged taxiway centerline fire IOC.
  • the brightness level B 0 for this centerline fire IOC is set by the control center 40 in the control tower of the airport according to the visibility conditions.
  • a stop line S is arranged on the taxiway T, at which the aircraft A must hold until it receives an enable signal to continue driving.
  • the stop line S is formed by a series of underfloor taxiway stop line lights 1OS.
  • the A- Position of the brightness level B 3 of the stop line fire 1OS is again via the control center 40 according to the prevailing visibility conditions.
  • a monitoring device which has a video camera 20 arranged laterally of the taxiway T and oriented approximately in the direction of view V of the pilot.
  • the firing units IOC or 1OS are thus recorded approximately from the direction of view V of the pilot.
  • the firing units IOC or 1OS with the brightness levels b c and b s are imaged on the recorded video images F 1 , as they are currently actually perceived by the pilot.
  • stop line fire 1OS shown in the figure as black filled out from the direction of view V of the pilot at the left edge of taxiway T, has failed, while all the remaining fire stations 1OS and IOC are intact, represented by three bars representing light beams in the figure.
  • the monitoring device has an evaluation device 30 in which the recorded video images F 1 have firing units IOC and / or 1OS imaged with respect to a brightness level b c or b s that can be perceived from the outside.
  • the evaluation device 30 comprises memory means 31, in which reference images R 3 are stored with firing units IOC or 1OS of different adjustable brightness levels B 0 and B 3 , respectively.
  • the evaluation device 30 comprises comparison means 32 for the digital comparison of recorded video images F 1 with a reference image R j .
  • the selection of the correct reference image R D is effected by the recording time of the video image F 1 supplied by the video camera 20, since the recording time specifies which brightness level B c or B 3 was preset or switched by the control center 40.
  • the image comparison relies on known pattern recognition algorithms and takes place in two steps.
  • a first step the image areas of interest are determined on the recorded video image F 1 , in which the illumination units IOC and / or 1OS are mapped. This saves computing time.
  • a second calculation step it is now determined pixel-by-pixel on the basis of predefined color and / or gray-scale levels whether the currently recorded brightness levels b c or b s correspond to the set brightness levels B c or B 3 stored on the reference image R D.
  • the stop line firing 1OS arranged at the left edge of the taxiway T has no or a lower brightness value than that stored in the reference image R D.
  • the captured image F 1 is automatically transmitted to the control center 40 and reproduced on a display device 41 of the monitoring device.
  • the control or maintenance staff can convince themselves visually that that stop line fire 1OS has failed or emits a light signal with too low a brightness.
  • the evaluation device 30 sends a switching recommendation c and / or a maintenance instruction m to the control center 40 for display on the display device 41.
  • a switching recommendation c may, for example, include switching to a lower brightness level as soon as the status of the firing units IOC or 1OS no longer meets the minimum standard.
  • the maintenance instruction m can cause the replacement of the defective lighting unit 1OS before the brightness threshold reaches the minimum standard.
  • no system intervention is required for monitoring the airfield lighting device, but only maintenance and repair measures, such as the cleaning of an installed lighting unit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Traffic Control Systems (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

L'invention concerne un dispositif de balisage d'un terrain d'aviation d'un aéroport, comprenant au moins une unité de balisage (10C, 10S) permettant de donner un signal optique à un pilote d'un avion (A) et un dispositif de surveillance destiné au contrôle de fonctionnement de ladite au moins une unité de balisage (10C, 10S). Le dispositif de surveillance présente au moins une caméra vidéo (20) pour la réception d'une image vidéo numérique (Fi) de ladite au moins une unité de balisage (10C, 10S). L'unité de balisage (10C, 10S) peut ainsi être surveillée en termes d'émission lumineuse effective et donc de luminosité suffisante du signal optique transmis à un pilote d'avion.
PCT/EP2009/062409 2008-10-31 2009-09-25 Dispositif de balisage d'un terrain d'aviation d'un aéroport Ceased WO2010049224A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008054203.2 2008-10-31
DE200810054203 DE102008054203A1 (de) 2008-10-31 2008-10-31 Vorrichtung zur Flugfeldbefeuerung eines Flughafens

Publications (2)

Publication Number Publication Date
WO2010049224A2 true WO2010049224A2 (fr) 2010-05-06
WO2010049224A3 WO2010049224A3 (fr) 2010-07-29

Family

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Family Applications (1)

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PCT/EP2009/062409 Ceased WO2010049224A2 (fr) 2008-10-31 2009-09-25 Dispositif de balisage d'un terrain d'aviation d'un aéroport

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DE (1) DE102008054203A1 (fr)
WO (1) WO2010049224A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8907587B2 (en) 2012-07-25 2014-12-09 Cooper Technologies Company Stand-alone synchronization for a runway light
US9008992B2 (en) 2011-03-25 2015-04-14 Thomas & Betts International, Inc. Testing and monitoring an electrical system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017009323A1 (de) 2017-10-09 2019-04-11 IAD Gesellschaft für Informatik, Automatisierung und Datenverarbeitung mbH Vorrichtung zur Befeuerung der Start- und Landebahnen sowie der Taxiway an Flughäfen

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Publication number Priority date Publication date Assignee Title
GB1454272A (en) * 1973-07-10 1976-11-03 Secr Defence Apparatus for monitoring airport runway lights
DE3635682A1 (de) 1986-10-21 1988-04-28 Bbc Brown Boveri & Cie Ueberwachungseinrichtung fuer den lampenausfall bei flugplatzfeuerungsanlagen
DE3852701T2 (de) 1988-03-25 1995-09-28 Nippon Signal Co Ltd Anordnung zum ausschaltnachweis von birnen.
DE19635679A1 (de) * 1996-09-03 1998-03-05 Siemens Ag Mensch-Maschine-Schnittstelle (Man-Machine-Interface, MMI) für Flughäfen und Luftverkehrszwecke
DE19746942A1 (de) * 1997-10-23 1999-04-29 Siemens Ag Verfahren und Vorrichtung zur Ermittlung von Korrekturfaktoren für auf der Beareitung von Videosignalen basierenden Meßsystemen
DE29823494U1 (de) 1998-04-21 1999-08-12 Siemens AG, 80333 München Beleuchtungsanlage, z.B. Flughafen- oder Straßenbefeuerungsanlage, Hinderniswarnleuchte, Hinweis-, Warn- und Signalleuchte o.dgl.
DE10032433A1 (de) * 2000-07-04 2002-01-17 H A N D Gmbh Verfahren zur Bodenraumüberwachung
DE10207820A1 (de) * 2002-02-25 2003-09-04 Wolfgang Bartels Vorrichtung und Verfahren zur qualitativen und quantitativen Lichtmessung der Leuchtfeuer auf Start-/Landebahnen und Rollwegen von Flughäfen
EP1460605A1 (fr) * 2003-03-20 2004-09-22 Siemens Aktiengesellschaft Unité et système d'éclairage d'aéroports
DE102005048685A1 (de) * 2005-10-11 2007-04-26 Schuh & Co. Gmbh Messanordnung und Verfahren zum Messen des Fernfeldes einer Lichtquelle
DE102005055879A1 (de) * 2005-11-23 2007-05-31 Deutsches Zentrum für Luft- und Raumfahrt e.V. Flugverkehr-Leiteinrichtung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9008992B2 (en) 2011-03-25 2015-04-14 Thomas & Betts International, Inc. Testing and monitoring an electrical system
US8907587B2 (en) 2012-07-25 2014-12-09 Cooper Technologies Company Stand-alone synchronization for a runway light

Also Published As

Publication number Publication date
DE102008054203A1 (de) 2010-06-10
WO2010049224A3 (fr) 2010-07-29

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