EP1442268A2 - Systeme compact de deploiement et de recuperation pour un leurre remorque utilisant un seul cable a fibre optique - Google Patents

Systeme compact de deploiement et de recuperation pour un leurre remorque utilisant un seul cable a fibre optique

Info

Publication number
EP1442268A2
EP1442268A2 EP02801030A EP02801030A EP1442268A2 EP 1442268 A2 EP1442268 A2 EP 1442268A2 EP 02801030 A EP02801030 A EP 02801030A EP 02801030 A EP02801030 A EP 02801030A EP 1442268 A2 EP1442268 A2 EP 1442268A2
Authority
EP
European Patent Office
Prior art keywords
decoy
cable
winch
canister
line
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.)
Withdrawn
Application number
EP02801030A
Other languages
German (de)
English (en)
Other versions
EP1442268A4 (fr
Inventor
Mark A. Carlson
James J. Jordan
John Russotti
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.)
BAE Systems Information and Electronic Systems Integration Inc
Original Assignee
BAE Systems Information and Electronic Systems Integration Inc
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
Priority claimed from US10/027,352 external-priority patent/US6672543B2/en
Application filed by BAE Systems Information and Electronic Systems Integration Inc filed Critical BAE Systems Information and Electronic Systems Integration Inc
Publication of EP1442268A2 publication Critical patent/EP1442268A2/fr
Publication of EP1442268A4 publication Critical patent/EP1442268A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
    • F41J2/00—Reflecting targets, e.g. radar-reflector targets; Active targets transmitting electromagnetic or acoustic waves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D3/00—Aircraft adaptations to facilitate towing or being towed
    • B64D3/02—Aircraft adaptations to facilitate towing or being towed for towing targets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
    • F41J9/00—Moving targets, i.e. moving when fired at
    • F41J9/08—Airborne targets, e.g. drones, kites, balloons
    • F41J9/10—Airborne targets, e.g. drones, kites, balloons towed
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
    • H01Q1/30—Means for trailing antennas
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/021—Auxiliary means for detecting or identifying radar signals or the like, e.g. radar jamming signals

Definitions

  • This invention relates to towed vehicles and more particularly to a compact system for deploying and retrieving towed decoys so that they can be redeployed multiple times.
  • aerial towed objects are used for a variety of purposes, including decoys, testing, and scientific investigations.
  • these decoys are used to draw various types of guided weapons away from an aircraft that the weapons are intended to destroy.
  • these towed targets and decoys contain various types of electronic circuits to create an apparent target to a weapon to attract the weapon to the decoy rather than the aircraft.
  • One active electronic device used in a decoy is a traveling wave tube amplifier to which high voltages must be applied to power the traveling wave tube. Additionally, other controls for the traveling wave tube or other electronics in the towed device are transmitted in one embodiment along a fiber optic transmission line, which is both frangible and fragile.
  • the decoys are sacrificed, meaning that the cables that attach the decoy to the deployment canister are severed after the decoy has been used.
  • the practice of cutting decoys after use and using them as an expendable commodity causes multiple problems. As a result it becomes important to be able to recover the towed vehicle itself, mainly because of the cost of the towed vehicle, as well as the fact that replacing towed vehicles often is difficult due to the long lead times in the manufacturing process and provision of such decoys. For instance, typically a towed countermeasure decoy may cost as much as $50,000 per decoy round.
  • sonobuoys and pod-mounted countermeasures were typically carried in an equipment pod the size of an MK-84 aerial bomb or the ALQ-164 type electronics counter-measures pod. What will be appreciated is that these pods are exceptionally large and preclude, for instance, the carrying of armaments in the position where the pod is located. Thus the payload of any attack aircraft would be severely limited if unwieldy winching systems such as associated with sonobuoys along with the associated housing were used to deploy normal decoy rounds. Note that prior art winding systems occupied a space many times the size of the normal decoy round.
  • the types of decoys involved have included devices which countermeasure infrared guided and radar guided missiles that pose the primary threats to military aircraft engaged in a combat environment. It will be appreciated that these missiles use their radar guidance systems to get within striking distance of the aircraft, thereby substantially increasing their probability that the IR system on the missile will be able to lock onto the target.
  • the IR-guided system initially utilizes radar guidance and then switches over to IR guidance as they come into closer proximity to the target. If one can counter-measure the radar system, then the IR portion can never lock onto the particular infrared target. To do this, the missile is deflected away by generating a signal that causes the radar guidance system in the missile to think that the target is actually elsewhere than it actually is. In the past, the ALE-50 Towed Decoy system currently in the inventory of the US
  • Armed Forces includes a decoy round in a canister and a reel payout mechanism. When the decoy has served its purpose, it is cut loose and the ALE-50 decoy is lost.
  • the decoy In order to deploy, retrieve and reuse towed decoys, in the subject system, the decoy is housed in a canister with a towline wound around a level winding winching system, which during the deployment of the decoy, winches out the decoy at a moderately high speed.
  • both the high voltage electrical signals to the traveling wave tube within the decoy and the controls for the countermeasure system carried by the decoy are transmitted over an electro-optic cable into which is embedded a length of high voltage tension line to be able to power the traveling wave tube.
  • there are five lines that carry a voltage including three at high voltage, one at low voltage and a ground.
  • the signals to control the countermeasure device within the decoy are carried by the relatively fragile fiber optic cable, which, in one embodiment, is connected to drive circuitry through a fiber optic rotary joint, such that the decoy can be winched out and retrieved with the signals passing through the center shaft of the level winding winching system. Additionally, high voltage slip rings are utilized along with the fiber optic rotary
  • the feeding of the line from and to the level winding winching system is accomplished with means to prevent backlash and jamming of the line during the retrieval process, as well as damage to the line during deployment.
  • the tension of the line during the retrieval process is continuously monitored so that excessive loads are avoided.
  • a telescoping or extensible cradle or saddle which is extended after deployment of the decoy and which is utilized to capture the retrieved decoy as it is reeled in. After the decoy has reached its captured position, the entire telescoping assembly is retracted such that the decoy and the assembly are retracted into the canister from which the decoy can be redeployed.
  • decoy deployment system which can be used multiple times, due to the fact that the deployed decoy is captured and stored in the original canister.
  • multiple deployments of the decoy do not result in damage to the single towing line such that through the utilization of the fiber optic rotary joint, high voltage slip rings and the level winder traverse mechanism, decoys can be carried on an aircraft in a space that is one-tenth the size of prior equipment pods and at the same time permits the decoy to be deployed and redeployed even during the same mission.
  • a decoy deployment and retrieval system includes an extensible boom and corresponding cradle or saddle for use in the retrieval of the towed decoy such that upon retrieval the extensible boom with its decoy captured in the cradle is retracted into a chamber so that the decoy can be deployed over and over again.
  • the decoy is both towed by and controlled over a fiber optic line in which a load cell is used to detect tension on the line to prevent damage, and a fiber optic rotary joint is utilized along with high voltage slip rings to permit electrical and optical coupling without backlash, fouling, or damage to the line.
  • Figures 1A and IB are diagrammatic representations of the deployment of a prior art decoy system, indicating the relative size of the equipment pod if used for winching and illustrating the cutting of the tow line after decoy deployment;
  • Figure 2 is a diagrammatic illustration of the canister utilized in the deployment of the decoy round indicating the storage thereof in a canister compartment above level winding deployment and retrieval apparatus;
  • Figure 3 is a diagrammatic illustration of the canister of Figure 2, illustrating the deployment of the telescoping boom or saddle for retrieving the decoy once deployed, showing the capture of the decoy in the cradle or saddle prior to the retraction of the boom and the decoy into the canister;
  • Figure 4 is a schematic diagram of the deployment of the decoy in the system of
  • FIGS. 1 and 2 in which a level winding spindle is shown driven through a transmission via motor under the control of a motor control unit which is in turn responsive to a load sensor that senses the tension on the tow line, also illustrating the utilization of a fiber optic rotary joint and a high voltage slip ring assembly;
  • FIG. 5 is a diagrammatic and schematic representation of the retrieval process
  • a typical attack aircraft 10 has in the past been provided with a decoy containing canister 12 from which a decoy 14 is deployed over a tow line 16.
  • decoy 14 is cut loose from canister 12 after the countermeasure operation as indicated by the X, here illustrated at 18.
  • a canister 30 is illustrated as
  • canister 30 has a framed aperture 38 through which the decoy round is deployed from whence it streams aft of the aircraft with a single tow line emanating from this aperture frame.
  • an extensible boom 40 includes a decoy capture channel 42 which serves as a saddle or cradle for the decoy when it is reeled in via level winding system 36.
  • the boom is extended during the retrieval process so as to permit the capture of the deployed decoy as the decoy is reeled in. After the decoy is firmly secured to the saddle, the boom and decoy are retracted into chamber 34 by virtue of the winding up of the single towline that is utilized. This is accomplished by the electric drive and lead screw 35 in Figures 2 and 3.
  • level winding apparatus 36 is utilized as a brake in the controlled payout of the towline to prevent wild gyrations of the decoy during deployment.
  • This same level winding system is utilized in the retrieval of the decoy, with the level winding mechanism assuring that the line as it is both paid out and reeled in does so over a driven spindle in such a manner as to eliminate backlash, kinking and other types of jamming, which would cause the severing or damage to the single tow line.
  • a spindle 50 is shown diagrammatically to carry towline 16, which is passed over a number of sheaves, here diagrammatically illustrated at 52.
  • a double helix rotating shaft 54 rotates at a predetermined speed and a traversing wire guide carrier 56 having an eyelet loop or other guiding mechanism 58 guides line 16 backwards and forwards over the rotating spindle 50.
  • the rotating helically grooved shaft 54 is mechanically coupled to the spindle such that the winding pitch is mechanically controlled regardless of the speed with which the spindle is rotating.
  • spindle 50 is coupled through a transmission 62 to a motor 64 under the control of a motor control unit 66 so that the rate at which the tow line is paid out is controlled, as well as the rate of retrieval.
  • a fiber optic rotary joint 70 is employed at the distal end 72 of spindle 50 such that signals 74 from a control unit 76 are passed through a fiber optic coupler 78 so as to be able to control the traveling wave tube in towed decoy 14. Also attached in the vicinity of the fiber optic rotary joint are high voltage slip rings, here diagrammatically illustrated at 80 to provide the appropriate power to the electronic apparatus in decoy 14.
  • level winding apparatus is known and commercial available level winders are provided by Norco Inc. of Ridgefield, Connecticut.
  • load cell 84 which is utilized to monitor the tension in line 16, especially during the retrieval process, but also during deployment.
  • load cell 84 which is seen coupled to motor control unit 66, is to permit the driving of spindle 50 in such a manner to eliminate overly high rates of retrieval or deployment under high loads.
  • the subject system is utilized to pre-deploy the decoy, with load cell 84 providing information to the pilot via indicator 90 in case a certain tension has been exceeded. It may then be appropriate for the pilot to know that excessive tension exists and that it would either be impossible to reel in the decoy or that the motor utilized may fuse due to the overheating associated with high tensions.
  • Indicator 90 may therefore give the pilot the option to slow down the aircraft to a point at which the level winding mechanism and associated motor can be used effectively to reel in the decoy, or a decision can be made to sacrifice the decoy in those cases where it would be inappropriate to slow down the aircraft.
  • the telescoping capture unit here illustrated as boom 40, is provided with load cell 84, which is in the path of line 16 as it goes over sheaves or pulleys 92, 94 and 96 onto spindle 50 as described above.
  • load cell 84 which is in the path of line 16 as it goes over sheaves or pulleys 92, 94 and 96 onto spindle 50 as described above.
  • line 16 goes over a sheave 100, which is spring-loaded at 102 and then over the load cell so that its tension can be ascertained.
  • the purpose of the spring-loaded sheave is to provide necessary compliance during the decoy docking operations.
  • the retrieved decoy 14 is carried in a saddle 104 with unit 40 being provided with a butt plate 106 so that as the decoy is reeled in, its nose 108 butts against the surface of butt plate 106, thereby to effectuate capture.
  • the telescoping capture unit 40 is driven by a drive 110 such that it moves in the direction of arrow 112 until such time that it and the retrieved decoy are in the stowed position indicated by dotted line 14'.
  • the telescoping capture unit 40 is deployed only when the decoy is within a predetermined distance of the canister. Since the towline 16 in any event goes over and through sheaves or pulleys carried by the boom, in order to eliminate excessive damage to the telescoping member due to the whipping around of the decoy, it is only when the decoy, for instance, is within a couple feet of the canister that the telescoping capture unit is deployed. This can be sensed in a number of ways, one way being to know how much of the line has been reeled in. Other ways include optical sensors or other physical proximity sensors.

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Remote Sensing (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Astronomy & Astrophysics (AREA)
  • Coiling Of Filamentary Materials In General (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Electric Cable Arrangement Between Relatively Moving Parts (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
  • Bridges Or Land Bridges (AREA)
  • Electric Cable Installation (AREA)
  • Control And Safety Of Cranes (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

L'invention concerne un système de déploiement et de récupération de leurre, comprenant un bras extensible et un berceau ou sabot correspondant conçus pour être utilisés pour récupérer le leurre remorqué, de telle sorte que lors de la récupération, le bras extensible et le leurre enfermé dans le berceau est rétracté dans une enceinte afin que le leurre puisse être déployé ultérieurement. Dans un mode de réalisation, le leurre est à la fois remorqué et commandé par une ligne de fibre optique dans laquelle une cellule de mesure est utilisée pour détecter la tension sur la ligne de manière à empêcher une détérioration. Un joint tournant à fibre optique est utilisé conjointement avec des bagues collectrices haute tension afin de permettre le couplage électrique et optique sans effet inverse, encrassement ou détérioration de la ligne.
EP02801030A 2001-10-11 2002-10-10 Systeme compact de deploiement et de recuperation pour un leurre remorque utilisant un seul cable a fibre optique Withdrawn EP1442268A4 (fr)

Applications Claiming Priority (13)

Application Number Priority Date Filing Date Title
US27325 1979-04-05
US32861701P 2001-10-11 2001-10-11
US32860301P 2001-10-11 2001-10-11
US32859401P 2001-10-11 2001-10-11
US328603P 2001-10-11
US328617P 2001-10-11
US328594P 2001-10-11
US10/027,352 US6672543B2 (en) 2001-10-11 2001-12-20 Compact mechanism for retrieval of a towed body from moving vehicles
US10/027,325 US6779796B2 (en) 2001-10-11 2001-12-20 Compact deployment and retrieval system for a towed decoy utilizing a single cable employing fiber optics
US27352 2001-12-20
US105716 2002-03-25
US10/105,716 US6683555B2 (en) 2001-10-11 2002-03-25 Fast deploy, retrievable and reusable airborne counter-measure system
PCT/US2002/032514 WO2003032023A2 (fr) 2001-10-11 2002-10-10 Systeme compact de deploiement et de recuperation pour un leurre remorque utilisant un seul cable a fibre optique

Publications (2)

Publication Number Publication Date
EP1442268A2 true EP1442268A2 (fr) 2004-08-04
EP1442268A4 EP1442268A4 (fr) 2010-12-08

Family

ID=27556099

Family Applications (3)

Application Number Title Priority Date Filing Date
EP02801027A Withdrawn EP1444152A4 (fr) 2001-10-11 2002-10-10 Procede et appareil permettant de recuperer des corps remorques par des vehicules mobiles
EP02789186A Withdrawn EP1442317A4 (fr) 2001-10-11 2002-10-10 Systeme de contremesure aeroporte a deploiement rapide, recuperable et reutilisable
EP02801030A Withdrawn EP1442268A4 (fr) 2001-10-11 2002-10-10 Systeme compact de deploiement et de recuperation pour un leurre remorque utilisant un seul cable a fibre optique

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP02801027A Withdrawn EP1444152A4 (fr) 2001-10-11 2002-10-10 Procede et appareil permettant de recuperer des corps remorques par des vehicules mobiles
EP02789186A Withdrawn EP1442317A4 (fr) 2001-10-11 2002-10-10 Systeme de contremesure aeroporte a deploiement rapide, recuperable et reutilisable

Country Status (4)

Country Link
EP (3) EP1444152A4 (fr)
AU (2) AU2002356559B2 (fr)
CA (3) CA2462907A1 (fr)
WO (3) WO2003032023A2 (fr)

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CN106767181B (zh) * 2017-01-13 2018-04-10 河北环航科技股份有限公司 一种航空外挂靶标短舱
DE102017211793A1 (de) 2017-07-10 2019-01-10 Gustav Magenwirth Gmbh & Co. Kg Hydraulikleitungsanschluss für eine hydraulische Bremse lenkergeführter Fahrzeuge, Hydraulikleitungsanschluss- und Hydraulikkomponentenbefestigungsvorrichtung für eine hydraulische Betätigungsvorrichtung lenkergeführter Fahrzeuge, Lenkeranordnung für ein lenkergeführtes Fahrzeug und hydraulische Bremse für ein lenkergeführtes Fahrzeug
CN107942314B (zh) * 2017-11-22 2021-06-04 中南大学 基于lasso特征提取的多普勒穿墙雷达定位方法
CN109094791B (zh) * 2018-08-13 2020-12-11 合肥凯石投资咨询有限公司 一种带有背载式太阳帆板的无人机
CN109437035A (zh) * 2018-12-14 2019-03-08 河北环航科技股份有限公司 一种调速航空绞车
CN111204618B (zh) * 2019-12-31 2021-01-01 元源新材料有限公司 一种玻璃纤维布包裹机
CN112660942B (zh) * 2020-12-24 2023-06-23 中国航空工业集团公司成都飞机设计研究所 一种拖曳式诱饵线缆收放装置

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GB2303755A (en) * 1986-11-19 1997-02-26 Dassault Electronique Electronic counter-measures for towing by an aircraft
US4852455A (en) * 1987-01-12 1989-08-01 Southwest Aerospace Corporation Decoy system
US5039193A (en) * 1990-04-03 1991-08-13 Focal Technologies Incorporated Fibre optic single mode rotary joint
US5083723A (en) * 1990-12-14 1992-01-28 Teledyne Industries, Inc. Air-driven, turbine tow reel machine controlled according to towline velocity and vent door position
US5603470A (en) * 1995-01-11 1997-02-18 Hughes Electronics Airborne towed aerobody employing an expendable towing/deployment mechanism
EP0943541A2 (fr) * 1998-03-20 1999-09-22 DORNIER GmbH Lanceur pour corps volant remorqué

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See also references of WO03032023A2 *

Also Published As

Publication number Publication date
CA2462908A1 (fr) 2003-04-17
EP1442317A2 (fr) 2004-08-04
WO2003032023A3 (fr) 2003-09-12
EP1442317A4 (fr) 2011-08-17
AU2002356557B2 (en) 2008-12-18
WO2003031259A2 (fr) 2003-04-17
CA2462896C (fr) 2010-03-23
WO2003031259A3 (fr) 2003-10-30
CA2462907A1 (fr) 2003-04-17
WO2003031296A2 (fr) 2003-04-17
WO2003032023A2 (fr) 2003-04-17
EP1444152A4 (fr) 2010-11-24
AU2002356559B2 (en) 2008-12-18
EP1444152A2 (fr) 2004-08-11
WO2003031296A3 (fr) 2003-10-16
EP1442268A4 (fr) 2010-12-08
CA2462896A1 (fr) 2003-04-17
CA2462908C (fr) 2010-03-30

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