EP1093561B1 - Dispositif d'autoprotection passive pour engin mobile tel qu'un helicoptere - Google Patents
Dispositif d'autoprotection passive pour engin mobile tel qu'un helicoptere Download PDFInfo
- Publication number
- EP1093561B1 EP1093561B1 EP99926581A EP99926581A EP1093561B1 EP 1093561 B1 EP1093561 B1 EP 1093561B1 EP 99926581 A EP99926581 A EP 99926581A EP 99926581 A EP99926581 A EP 99926581A EP 1093561 B1 EP1093561 B1 EP 1093561B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- decoy
- helicopter
- passive
- decoying
- library
- 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.)
- Expired - Lifetime
Links
- 238000010304 firing Methods 0.000 claims description 13
- 230000003068 static effect Effects 0.000 claims description 5
- 230000000750 progressive effect Effects 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 238000005457 optimization Methods 0.000 description 4
- 210000000056 organ Anatomy 0.000 description 2
- 235000015842 Hesperis Nutrition 0.000 description 1
- 235000012633 Iberis amara Nutrition 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000000031 electric organ Anatomy 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H11/00—Defence installations; Defence devices
- F41H11/02—Anti-aircraft or anti-guided missile or anti-torpedo defence installations or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A27/00—Gun mountings permitting traversing or elevating movement, e.g. gun carriages
- F41A27/06—Mechanical systems
- F41A27/08—Bearings, e.g. trunnions; Brakes or blocking arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A27/00—Gun mountings permitting traversing or elevating movement, e.g. gun carriages
- F41A27/28—Electrically-operated systems
Definitions
- the present invention relates to a device for passive self-protection for mobile equipment such as a helicopter.
- a constant concern in the field of techniques of armament is to best protect the machines such as ships, land vehicles, planes and helicopters against "hostile” such as rockets with terminal correction of trajectory or missiles.
- decoy launchers are passive self-protection devices because they do not do not allow to destroy the hostile.
- Document DE 28 09 497 discloses a device in accordance with the preamble of claim 1 appended hereto, allowing to draw several lures in directions possibly different to increase the effectiveness of the decoy. We then implement sequences of decoy.
- the present invention aims to provide means to optimize the decoy sequences for such devices, with the aim of improving their protection.
- This object of the invention is achieved with a device for passive self-protection for mobile equipment such as a helicopter, including at least one mounted decoy orientable on said machine, slaved to a detector hostile and a central navigation, remarkable in what he understands means to develop a library of dynamic decoy from information provided by said detector and by said central, in order to define decoy sequences in which orientation and chronometry shots said decoy launchers are optimized.
- This chassis has substantially the shape of a box parallelepipedic open on one of its faces. is intended to receive a charger (not shown) including cartridges of electromagnetic decoys or infrared.
- the bottom of the frame 1, opposed to its opening, has electrical components (amplifiers power, etc., not shown) allowing the fire lure cartridges. These electric organs are connected inside the helicopter by connecting members (not shown).
- the frame 1 is rotatably mounted about an axis horizontal 3 on a plate 4, itself rotatably mounted around a vertical axis 5 on a support 6.
- the support 6 is attached to an appropriate part 7 of the helicopter.
- a first electric motor 8, of the "couple” type or “step-by-step”, fixed on the plate 4, is intended for rotate the frame 1 about its axis 3.
- a second electric motor 9, similar to the engine 8, is fixed on the support 6 and is intended to make rotate around the vertical axis 5 the assembly formed by the plate 4, the chassis 1 and the motor 8.
- Figure 2 shows three possible positions of frame 1, the plate 4 being in its "zero" position, that is to say at a median position between his two extreme positions.
- the position of the chassis 1 which is represented in continuous line is its zero position.
- the position of the chassis 1 which is represented in mixed line is an extreme position down, so-called still minimal roll position.
- the position of the chassis 1 which is represented in discontinuous line is an extreme position upwards, said still maximum roll position, symmetrical to the minimum roll position relative to the position zero.
- the minimum and maximum roll positions are inclined each of an angle ⁇ of about 60 ° with respect to the zero position.
- Figure 3 shows three possible positions of the chassis 1 corresponding to three possible positions of tray 4.
- the position of the chassis 1 which is represented in continuous line is its zero position.
- the position of the chassis 1 which is represented in mixed line is an extreme position in the sense of clockwise rotation, also called minimum yaw position.
- the position of the chassis 1 which is represented in discontinuous feature is an extreme position in the sense of anti-clockwise rotation, also called yaw position maximum, symmetrical of the minimum yaw position relative to the zero position.
- the minimum and maximum lace positions are inclined an angle ⁇ of about 75 ° with respect to the position zero.
- FIGS. 4 to 6 where represented a helicopter 10 equipped with two decoy launchers LL, LL 'of the device according to the invention.
- Each of these two decoy launchers is mounted on a motorized gimbal as the one just described. However, for the sake of simplification, we have represented each lure-gimbal set by a simple rectangle.
- Both decoy launchers are preferably placed symmetrically with respect to the line of faith 13 of the helicopter, at a sufficient distance from the entrances air 14 of the apparatus. They can be fixed on any sufficiently rigid part of the apparatus, such as landing gear supports, as this is represent.
- Figures 5 and 6 show the deflections decoy launchers in roll and yaw, corresponding respectively in Figures 2 and 3 described above.
- the extreme angles of ⁇ roll and yaw ß represented are preferably respectively approximately 60 ° and 75 °.
- the decoy launchers then have each a maximum travel of about 120 ° in roll and 150 ° in yaw, which allows a priori to draw lures in almost all directions from space.
- the firing of decoys electromagnetic forward of a helicopter that advance are also prohibited, in order to prevent any penetration of metallic flakes in the entrances air.
- the shots in the mobile wing of a helicopter are prohibited when uses infrared decoys.
- each decoy launchers are schematized in this figure by elements bearing the references 1 and 1 ', and the two engines of each of the gimbals on which are mounted these frames are schematized by elements bearing the references 8, 9 and 8 ', 9'.
- the hostile detector D which can be a radar, identify a hostile through a plurality antennas A1, A2, A3, A4 located on the outskirts of the helicopter.
- the detector D is also of a type allowing to identify the category of the hostile. Such a detector, available in the previous hierarchy, must at least to differentiate a hostile to guiding electromagnetic hostile to infrared guidance.
- the detector D can also, allow to identify with more precision. other characteristics of the hostile.
- the information sent by the central CN navigation to the CT shot calculator concern basically attitudes (Euler angles) of the helicopter, its speed and the position of its center gravity.
- the CT Shooting Calculator can determine the exact position of the hostile in the reference system of the helicopter, or even in a absolute reference.
- Static Decoy Library B Contains different subroutines that can be used by the CT shot calculator to control decoy sequences. This library is static in this meaning that the different subroutines are Predefined.
- Information sent by the order item PC to the CT shooting calculator essentially depend on instructions imposed manually by the pilot and concerning shooting conditions: activation / deactivation of the optimization system, firing prohibitions depending on the circumstances (theft in training for example), etc.
- position encoders of position C8, C9 and C8 ', C9' make it possible to know at every moment the orientation chassis 1 and 1 '.
- position encoders can be, for example, optical sensors or potentiometric.
- the CT shot calculator questions the library B to find the subroutine suitable for this category and then it calculates in real time the orientation and chronometry of the launcher shots taking into account the information provided by the hostile detector D and by the central CN navigation.
- the CT Shooting Calculator thus produces a dynamic decoy library from the Static Library B and information provided by the hostile detector D and by the central navigation CN, to define a decoy sequence the efficiency is optimized according to the nature of the said hostile and relative movements of the helicopter and hostile.
- the CT shot calculator knows about every moment their orientations. Comparing these with calculated directions to reach, the calculator determines the movement orders to send to the motors decoy launchers.
- the CT shot calculator also checks that the direction of fire to be reached is compatible with instructions imposed by the pilot, provided by the post PC control.
- the CT shot calculator determines a new firing orientation that approaches the firing direction ideal.
- the CT shooting calculator sends him a firing order.
- FIG. 8 shows an example of decoy sequence, in the case of a helicopter in flight stationary and a hostile infrared guidance arriving to starboard of the helicopter.
- the hostile initially follows a trajectory towards the helicopter turbines 10.
- the LL decoy launcher located on the starboard side of the aircraft draws three lures L1, L2, L3 directed more and more forward of the helicopter so as to deflect gradually the initial trajectory 20 of the hostile towards avoidance trajectories 21, 22, 23.
- the time interval separating each lure shot in this example can be from the order of half a second.
- the deception sequence described above would not be more suitable if the helicopter moved forward, because then the infrared signature of the helicopter could join the infrared signatures of the lures drawn in latest.
- the dynamic library means above would then make it possible to modify the decoy sequence according to the movements of the helicopter so, for example, to deflect the trajectory of the hostile towards the rear of the aircraft.
- the library means the dynamics described above would make it possible to switch directly from the starboard decoy launchers to the decoy launchers port, or vice versa, so as to ensure continuity of deception vis-à-vis the hostile.
- both launchers are set to their zero position by electrical or mechanical means (not shown), and firing orders are sent manually by the pilot via the PC control station.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Toys (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Description
- la figure 1 est une vue de face du châssis d'un lance-leurres du dispositif selon l'invention monté sur un cardan motorisé, ce châssis étant représenté en position « zéro »;
- la figure 2 est une vue partielle de côté de l'ensemble représenté à la figure 1, le châssis du lance-leurres étant représenté dans trois positions: position de roulis minimal (trait mixte), position zéro (trait plein), et position de roulis maximal (trait discontinu);
- la figure 3 est une vue de dessus de l'ensemble représenté aux figures 1 et 2, le châssis du lance-leurres étant représenté dans trois positions: position de lacet minimal (trait mixte), position zéro (trait plein), et position de lacet maximal (trait discontinu);
- - la figure 4 est une vue de côté d'un hélicoptère équipé de deux lance-leurres du dispositif selon l'invention (un seul d'entre eux étant visible sur cette figure);
- la figure 5 est une vue de face de l'hélicoptère de la figure 4;
- la figure 6 est une vue de dessus de l'hélicoptère de la figure 4;
- la figure 7 est un organigramme décrivant le fonctionnement du dispositif selon l'invention;
- la figure 8 illustre une séquence de leurrage.
- un détecteur d'hostile D,
- une centrale de navigation CN,
- une bibliothèque de leurrage statique B,
- un poste de commande PC,
- des. codeurs de position C8, C9 et C8', C9' des moteurs 8, 9 et 8', 9',
- les châssis des lance-leurres 1 et 1'.
Claims (8)
- Dispositif d'autoprotection passive pour engin mobile tel qu'un hélicoptère (10), comprenant au moins un lance-leurres (LL, LL') monté orientable sur ledit engin, asservi à un détecteur.d'hostile (D) et à une centrale de navigation (CN), caractérisé en ce qu'il comprend des moyens pour élaborer une bibliothèque de leurrage dynamique à partir des informations fournies par ledit détecteur et par ladite centrale, afin de définir des séquences de leurrage dans lesquelles l'orientation et la chronométrie des tirs dudit lance-leurres sont optimisées.
- Dispositif d'autoprotection passive selon la revendication 1, caractérisé en ce que lesdits moyens pour élaborer une bibliothèque de leurrage dynamique comprennent un calculateur de tir interfacé avec ledit détecteur d'hostile (D), avec ladite centrale de navigation (CN) et avec une bibliothèque de leurrage statique comprenant des sous-programmes prédéfinis correspondant aux différents types d'hostiles.
- Dispositif selon l'une des revendications 1 ou 2, caractérisé en ce que ladite bibliothèque de leurrage dynamique est adaptée pour commander des séquences de leurrage permettant de séparer progressivement les signatures des leurres de celle dudit engin mobile, de manière à dévier la trajectoire initiale dudit hostile vers des trajectoires d'évitement.
- Dispositif d'autoprotection passive selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'il comporte des moyens pour mettre en oeuvre un mode de fonctionnement dégradé, permettant de placer ledit lance-leurres (LL, LL') à sa position zéro et de lui envoyer des ordres de tir lorsque son asservissement est hors service.
- Dispositif d'autoprotection passive selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comprend des moyens pour interdire certaines directions de tir.
- Dispositif d'autoprotection passive selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit lance-leurres (LL, LL') est relié audit engin mobile (10) par un cardan motorisé, permettant une orientation dudit lance-leurres en lacet et en roulis.
- Dispositif d'autoprotection passive selon la revendication 6, ledit engin mobile (10) étant un hélicoptère, caractérisé en ce qu'il comporte deux lance-leurres (LL, LL') disposés symétriquement par rapport à la ligne de foi (13) dudit hélicoptère.
- Dispositif d'autoprotection passive selon la revendication 7, caractérisé en ce que chacun desdits lance-leurres a un débattement d'environ 150° en lacet et 120° en roulis autour de sa position zéro.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9808545 | 1998-07-03 | ||
| FR9808545A FR2780774B1 (fr) | 1998-07-03 | 1998-07-03 | Dispositif d'autoprotection passive pour engin mobile tel qu'un helicoptere |
| PCT/FR1999/001584 WO2000002000A1 (fr) | 1998-07-03 | 1999-07-01 | Dispositif d'autoprotection passive pour engin mobile tel qu'un helicoptere |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1093561A1 EP1093561A1 (fr) | 2001-04-25 |
| EP1093561B1 true EP1093561B1 (fr) | 2003-09-24 |
Family
ID=9528238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99926581A Expired - Lifetime EP1093561B1 (fr) | 1998-07-03 | 1999-07-01 | Dispositif d'autoprotection passive pour engin mobile tel qu'un helicoptere |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1093561B1 (fr) |
| DE (1) | DE69911608T2 (fr) |
| ES (1) | ES2209448T3 (fr) |
| FR (1) | FR2780774B1 (fr) |
| WO (1) | WO2000002000A1 (fr) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ510819A (en) * | 1998-10-02 | 2004-03-26 | Kosan Biosciences Inc | Polyketide synthase enzymes and recombinant DNA constructs therefor |
| US6685632B1 (en) | 1999-05-04 | 2004-02-03 | Cardiothoracic Systems, Inc. | Surgical instruments for accessing and stabilizing a localized portion of a beating heart |
| DE10008198A1 (de) * | 2000-02-23 | 2001-08-30 | Krauss Maffei Wegmann Gmbh & C | An einem Kampffahrzeug angeordnete Wurfanlage für Nebelkerzen, Sprengkörper u. dgl. |
| DE10117007A1 (de) * | 2001-04-04 | 2002-10-17 | Buck Neue Technologien Gmbh | Verfahren und Vorrichtung zum Schutz von mobilen militärischen Einrichtungen |
| DE10247350A1 (de) * | 2002-10-10 | 2004-04-22 | Krauss-Maffei Wegmann Gmbh & Co. Kg | Einrichtung zum Schutz von Objekten gegen als Lenk-Flugkörper ausgebildete Munitionen |
| AU2002353341B2 (en) | 2002-12-17 | 2010-04-08 | Council Of Scientific And Industrial Research | Flavoured sugarcane juice in aseptic unit packs |
| DE10346001B4 (de) | 2003-10-02 | 2006-01-26 | Buck Neue Technologien Gmbh | Vorrichtung zum Schützen von Schiffen vor endphasengelenkten Flugkörpern |
| WO2009062007A1 (fr) * | 2007-11-08 | 2009-05-14 | Raytheon Company | Distributeur de lance-paillettes |
| DE102008038603C5 (de) | 2008-08-21 | 2018-04-19 | Krauss-Maffei Wegmann Gmbh & Co. Kg | Gegenschussanlage |
| DE102013104501A1 (de) | 2013-05-02 | 2014-11-06 | B. Braun Avitum Ag | Vorrichtung zur extrakorporalen Blutbehandlung |
| IT202300022071A1 (it) * | 2023-10-23 | 2025-04-23 | Stefano Picarella | Dispensatori di contromisure (cfd - chaff & flare dispenser) di tipo avanzato. cfd reattivi o cfd adattivi |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2383419A1 (fr) * | 1977-03-07 | 1978-10-06 | Lacroix E | Valise lance-leurres pour la deception des systemes de guidage d'armes |
| US4307650A (en) * | 1978-07-05 | 1981-12-29 | Messerschmitt-Boelkow-Blohm Gesellschaft Mit Beschraenkter Haftung | Weapons system for the ballistic and guided attack on multiple targets, especially by an aircraft |
| GB2138546A (en) * | 1982-09-03 | 1984-10-24 | Wallop Ind Ltd | Decoy systems |
| DE3612183A1 (de) * | 1986-04-11 | 1987-10-22 | Wegmann & Co | Verfahren zur ablenkung von durch radar- und/oder infrarotstrahlung gelenkten flugkoerpern, insbesondere zum schutz von seeschiffen und schiffsverbaenden sowie einrichtung zur durchfuehrung des verfahrens |
| DE3705700A1 (de) * | 1987-02-23 | 1988-09-01 | Buck Chem Tech Werke | Werfereinheit |
| SE469196B (sv) * | 1991-10-02 | 1993-05-24 | Nobeltech Electronics Ab | Faellarenhet samt faellarsystem innefattande minst en saadan faellarenhet |
| DE9320382U1 (de) * | 1993-07-07 | 1994-06-01 | BST Schutztechnik GmbH, 85521 Ottobrunn | Selbstschutzanlage für Gefechtsfeldfahrzeuge |
-
1998
- 1998-07-03 FR FR9808545A patent/FR2780774B1/fr not_active Expired - Fee Related
-
1999
- 1999-07-01 DE DE69911608T patent/DE69911608T2/de not_active Expired - Lifetime
- 1999-07-01 ES ES99926581T patent/ES2209448T3/es not_active Expired - Lifetime
- 1999-07-01 WO PCT/FR1999/001584 patent/WO2000002000A1/fr not_active Ceased
- 1999-07-01 EP EP99926581A patent/EP1093561B1/fr not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP1093561A1 (fr) | 2001-04-25 |
| FR2780774B1 (fr) | 2001-03-09 |
| DE69911608T2 (de) | 2004-07-01 |
| ES2209448T3 (es) | 2004-06-16 |
| FR2780774A1 (fr) | 2000-01-07 |
| WO2000002000A1 (fr) | 2000-01-13 |
| DE69911608D1 (de) | 2003-10-30 |
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