EP2045565A1 - Device for remotely controlling a target designator from an attack module, attack module and designator implementing such a device - Google Patents

Device for remotely controlling a target designator from an attack module, attack module and designator implementing such a device Download PDF

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Publication number
EP2045565A1
EP2045565A1 EP08290928A EP08290928A EP2045565A1 EP 2045565 A1 EP2045565 A1 EP 2045565A1 EP 08290928 A EP08290928 A EP 08290928A EP 08290928 A EP08290928 A EP 08290928A EP 2045565 A1 EP2045565 A1 EP 2045565A1
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EP
European Patent Office
Prior art keywords
designator
module
target
remote control
projectile
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Granted
Application number
EP08290928A
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German (de)
French (fr)
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EP2045565B1 (en
Inventor
Michel Hurty
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Nexter Munitions SA
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Nexter Munitions SA
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Priority to PL08290928T priority Critical patent/PL2045565T3/en
Publication of EP2045565A1 publication Critical patent/EP2045565A1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G3/00—Aiming or laying means
    • F41G3/14—Indirect aiming means
    • F41G3/145—Indirect aiming means using a target illuminator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G7/00—Direction control systems for self-propelled missiles
    • F41G7/20—Direction control systems for self-propelled missiles based on continuous observation of target position
    • F41G7/22—Homing guidance systems
    • F41G7/226—Semi-active homing systems, i.e. comprising a receiver and involving auxiliary illuminating means, e.g. using auxiliary guiding missiles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G7/00—Direction control systems for self-propelled missiles
    • F41G7/20—Direction control systems for self-propelled missiles based on continuous observation of target position
    • F41G7/22—Homing guidance systems
    • F41G7/2273—Homing guidance systems characterised by the type of waves
    • F41G7/2293—Homing guidance systems characterised by the type of waves using electromagnetic waves other than radio waves

Definitions

  • the technical field of the invention is that of devices for providing remote control of a target designator which is arranged on a field of operations.
  • Target designators most often include a laser source for optically designating a target.
  • an attack module such as a projectile or a sub-projectile module which is equipped with optical means for detecting the designation beam after its reflection on a target.
  • attack module will be understood to mean an ammunition acting on an overflight of a target and intended to neutralize it, for example a projectile, a sub-projectile, a missile or an attacking drone.
  • Attack drones are small aircraft (mini planes or mini helicopters) remotely controlled. These drones are, like munitions, equipped with military heads or other means to neutralize a target.
  • the detected beam can be used to direct the module towards the target.
  • the drive module is provided with a homing device and control means for orienting it towards the detected light spot.
  • the detected beam is in some cases used to trigger the driver module.
  • the patent FR2747185 thus describes a driving module which is a sub-projectile whose triggering is caused by the detection of the luminous spot emitted by the designator.
  • target designators are that they reduce collateral effects when conducting an attack. Indeed only the designated target can be destroyed by the attack module.
  • target designators are their lack of discretion. Indeed most of the important targets (eg battle tanks) are equipped with means to detect such a designation and then order a riposte.
  • the patent FR-2747185 proposes to increase the discretion to remotely control the start of the designator directly from the attack module.
  • a radio transmitter is used which is embedded on the driving module and which transmits a remote control signal to a receiver means integral with the designator.
  • the invention aims to overcome such drawbacks by providing a remote control means to reduce the ignition time of the designator, thus also reducing its detectability.
  • the invention makes it possible to control the instant of ignition of the designator.
  • the subject of the invention is a remote control device, from an attacking module acting as an overflight of a target, a projectile or sub-projectile module, missile or attacking drone, of a designator of a target which is arranged on a field of operations, said device comprising means transmitting a remote control signal disposed in the driving module and at least one receiving means of the remote control signal integral with the designator and associated with a control means of the start of the designator, characterized in that the transmitter means comprises at least one light source oriented so as to illuminate the ground and in that the receiving means comprises a detector of the radiation emitted by the light source or sources.
  • the transmitter means will transmit coded signals.
  • These signals can be transmitted in the form of a train of pulses.
  • the transmitter means may comprise at least two light sources regularly distributed angularly around an axis of the driver module.
  • the subject of the invention is also an attack module acting as an overflight of a target, a projectile or under-projectile module, a missile or an attacking drone using such a device, a module equipped with target detection means intended to to cooperate with a target designator disposed in the field, the driving module further comprising a transmitter means ensuring the remote control of the start of the designator, a driving module characterized in that the transmitter means comprises at least one light source oriented so as to illuminate a terrain area during the overflight of the terrain by the attack module.
  • the transmitter means may comprise at least two light sources regularly distributed angularly around an axis of the driver module.
  • the light sources are advantageously regularly distributed around an optical detector or a homing device.
  • the object of the invention is a target designator intended to cooperate with an attack module that acts as an overflight of a target, a projectile or sub-projectile module, a missile or an attacking drone, an attack module equipped with target detection and / or detection means of a designation beam, designator comprising a receiver means of a remote control signal transmitted by a transmitter means integral with the driving module, receiving means associated with means providing the control of the start of the designator, designator characterized in that the receiving means comprises at least one radiation detector emitted by at least one light source integral with the driver module.
  • the receiving means may comprise an optical element disposed on an upper face of the designator so as to directly receive the light rays emitted by the driving module.
  • the receiver means may include an optical arranged to observe a target, the light rays emitted by the light source or light sources of the driver module arriving at the designator after reflection on the target.
  • the figure 1 shows an attack module 1 (here a projectile) which is projected from a weapon system (not shown) towards a target 2.
  • attack module 1 here a projectile
  • a target designator 3 is disposed in the field. In a conventional manner this designer projects on the target 2 a laser beam 4. This results in a laser spot 5 on the target 2, which spot is seen by detection means 6, carried by the projectile 1, and which observe the according to a detection cone 11.
  • detection means 6 are constituted for example by an optical detector or by a self-steering unit which will be coupled to pilot control means comprising for example steerable control surfaces 7.
  • the projectile 1 carries (for example at a control module 8 disposed in the ogive) a transmitter means of a remote control signal 9.
  • This known transmitter means is a radiofrequency transmitter.
  • the signal 9 that it transmits is received by a receiver means 10 (for example an antenna), which means is integral with the designator 3.
  • a receiver means 10 for example an antenna
  • the remote control signal makes it possible to start the designator 3 so that the latter can be oriented towards the target but remain in the state of rest, and therefore undetectable.
  • attack module 1 constituted by a projectile having a ballistic trajectory 12.
  • This known device has the disadvantages that have been mentioned in the first part of the present application.
  • the transmission range of the signal 9 is relatively large and varies according to the terrain. It is therefore not possible to control the start-up time of the designator.
  • the figure 2 shows a remote control device according to a first embodiment of the invention.
  • the driver module 1 has a transmitter means which comprises at least one light source 13 which is oriented so as to illuminate the terrain.
  • the module 1 carries several light sources 13 regularly distributed angularly around the axis of the attack module.
  • the sources 13 illuminate the ground successively one after the other.
  • Laser sources will preferably be used, which makes it possible to reduce the dimensions of the illumination cone 15 emitted by each source 13.
  • the transmitting means carried by the module 1 will preferably be defined so that it ensures the transmission by the sources 13 of coded signals. It is thus possible to provide control by a given drive module 1 of a well-defined designator 3.
  • Each designator 3 is assigned a special identification code for this purpose and the code of the designator 3 to be searched for is also introduced into a memory of the driver module 1.
  • the signals will advantageously be transmitted in the form of a train of pulses (or flashes) light.
  • the designator 3 carries a receiver means which comprises at least one detector 14 of the radiation which is emitted by the light source 13.
  • the designator 3 thus comprises an optic 14 which is disposed at an upper face 16 of the designator 3.
  • This optic is thus oriented substantially vertically, so as to directly receive the light rays emitted by the driving module 1.
  • the designator furthermore comprises an emitting optic 17 which ensures the projection of the designation beam 4 towards the target 2.
  • the beams 15 emitted by the light sources 13 are oriented towards the ground in an area of the well-defined space. This easily controls the moment of remote control of a designator. Indeed, it is only when a designator 3 is in a beam 15 that it can be started.
  • the figure 3 shows in more detail the structure of the remote control device according to the invention both on the side of the driver module (which has been shown a portion of the control module 8) that the designator side 3.
  • the control module 8 carries detection means or a homodirector 6 which is shown schematically here the optical.
  • This homing device is connected to an on-board computer 18 which provides the functions necessary for the processing of the signals received by the autodirector 6.
  • the computer 18 is connected to a control control means 19 which acts on the control surface motors 20 (one single motor shown).
  • the computer 18 is connected to a transmitter means 21 of the remote control signal, which means controls the light source or sources 13.
  • the transmitter means 21 generates the remote control signal possibly carrying the coding which is incorporated in a memory 22 (programmable before the shot).
  • the computer 18 therefore controls the start of the transmission of the remote control signal at the end of a time interval counted from the moment of shooting. This interval is programmed before firing. The starting time of the emission is determined using a clock incorporated in the computer 18.
  • the computer 18 will stop the transmission of the remote control signal when it starts to detect the target designation spot.
  • the designator 3 incorporates the emitting optic 17 which projects the designation beam 4 towards the target 2.
  • This optic (which is generally a laser optic) is actuated by a control circuit 23 which is connected to a power source. 24 via a switch 25.
  • the radiation detector 14, disposed at the upper face 16 of the designator 3, is also connected to a receiver means 26 of the remote control signals which is also supplied with energy by the energy source 24.
  • This receiver means 26 provides decoding and recognition of the received light signal. In particular, it ensures, where appropriate, comparison of the code carried by the signal with that associated with the designator 3 itself and which is programmed in a memory 27.
  • the means 26 causes the switch 25 to close, which causes the designator 3 to be switched on.
  • the figure 4 shows in simplified section an example of integration of the light sources 13 at a front portion 29 (or ogive) of the driver module 1.
  • the ogive 8 carries at one end before the detector (or the homing device) 6.
  • the latter is disposed at the axis 28 of the driver module 1. It is connected to the control module 8.
  • the light sources 13 are regularly distributed angularly about the axis 28 of the driver module. Three or four light sources 13 may thus be provided.
  • These sources 13 are connected to the control module 8 and they are each arranged in a notch 30 arranged on the outer surface of the ogive 19.
  • each cut will be defined so as to direct the beams 15 emitted by the sources 13.
  • Such a configuration of the device can further limit the area covered by the remote control means. It is indeed only in the terminal phase of the path of the module 1 that the beams 15 ensuring the remote control will illuminate the ground and only designators located within a range of 300 to 400 m around the theoretical base will be remotely controllable.
  • the figure 5 shows in the form of a block diagram the structure of a remote control device according to a second embodiment of the invention.
  • This mode differs from the previous one in that the unidirectional detecting means 6 is replaced by bidirectional means 31 which ensures the observation of the terrain and which can also emit an encoded optical signal.
  • the means 31 can therefore both fulfill the functions of the detection means 6 and those of the light source 13.
  • this bidirectional optical means 31 is connected to both the computer 18 and the transmitter means 21 (coupled to the memory 22).
  • the transmitting optics 17 will be replaced by bidirectional optical means 32 which can both project a designation beam and receive the remote control signals transmitted by the means 31.
  • the bidirectional optical means 32 is therefore connected to both the designation control circuit 23 and the receiver means 26 (coupled to the memory 27).
  • This embodiment makes it possible on the one hand to reduce the number of components used, and on the other hand to make the remote control beam even more discriminating.
  • the commissioning of the designator then intervenes in the last moments, when the projectile is in direct view of the potential target.
  • the invention has been described with reference to an attack module constituted by a projectile. It is understood that the invention could be implemented with other types of attack modules that fly over a target and intended to neutralize it. It will be possible in particular to implement the invention with one or more sub-projectiles dispersed by a vector (such as a cargo projectile). It can also be implemented with a missile or with a drone attack.

Abstract

The device has an emitter unit (21) i.e. radiofrequency emitter, emitting a remote control signal (15) and arranged in an attack module e.g. projectile, where the signal is transmitted in the form of a light pulse. A receiver unit (26) i.e. antenna, receives the signal and is integrated to a target designator (3). The unit (26) is associated to a control unit i.e. interrupter (25), which controls starting-up of the designator. The unit (21) has a light source (13) oriented to illuminate the operation ground. The unit (26) has a detector that detects radiation emitted by the source.

Description

Le domaine technique de l'invention est celui des dispositifs permettant d'assurer la télécommande d'un désignateur de cible qui est disposé sur un terrain d'opérations.The technical field of the invention is that of devices for providing remote control of a target designator which is arranged on a field of operations.

Les désignateurs de cible comprennent le plus souvent une source laser permettant de désigner optiquement une cible.Target designators most often include a laser source for optically designating a target.

Ils coopèrent avec un module d'attaque, tel un projectile ou un sous-projectile, module qui est équipé de moyens optiques permettant de détecter le faisceau de désignation après sa réflexion sur une cible.They cooperate with an attack module, such as a projectile or a sub-projectile module which is equipped with optical means for detecting the designation beam after its reflection on a target.

Au sens de l'invention, on entendra par module d'attaque une munition agissant en survol d'une cible et destinée à neutraliser celle ci, par exemple un projectile, un sous projectile, un missile ou un drone d'attaque. Les drones d'attaque sont de petits aéronefs (mini avions ou mini hélicoptères) télécommandés. Ces drones sont, tout comme les munitions, équipés de têtes militaires ou d'autre moyens permettant de neutraliser une cible.For the purposes of the invention, the term "attack module" will be understood to mean an ammunition acting on an overflight of a target and intended to neutralize it, for example a projectile, a sub-projectile, a missile or an attacking drone. Attack drones are small aircraft (mini planes or mini helicopters) remotely controlled. These drones are, like munitions, equipped with military heads or other means to neutralize a target.

Suivant la technologie du module d'attaque qui est mise en oeuvre, le faisceau détecté pourra être utilisé pour diriger le module vers la cible. Dans ce cas le module d'attaque est doté d'un autodirecteur et de moyens de pilotage permettant de l'orienter vers la tache lumineuse détectée.Depending on the technology of the driver module that is implemented, the detected beam can be used to direct the module towards the target. In this case the drive module is provided with a homing device and control means for orienting it towards the detected light spot.

Le faisceau détecté est dans certains cas utilisé pour provoquer le déclenchement du module d'attaque. Le brevet FR2747185 décrit ainsi un module d'attaque qui est un sous projectile dont le déclenchement est provoqué par la détection de la tache lumineuse émise par le désignateur.The detected beam is in some cases used to trigger the driver module. The patent FR2747185 thus describes a driving module which is a sub-projectile whose triggering is caused by the detection of the luminous spot emitted by the designator.

L'avantage des désignateurs de cible est qu'ils permettent de réduire les effets collatéraux lors de la conduite d'une attaque. En effet seule la cible désignée peut être détruite par le module d'attaque.The advantage of target designators is that they reduce collateral effects when conducting an attack. Indeed only the designated target can be destroyed by the attack module.

Le principal inconvénient des désignateurs de cible est leur manque de discrétion. En effet la plupart des cibles importantes (par exemple les chars de combat) sont dotées de moyens permettant de détecter une telle désignation et de commander alors une riposte.The main disadvantage of target designators is their lack of discretion. Indeed most of the important targets (eg battle tanks) are equipped with means to detect such a designation and then order a riposte.

Le brevet FR-2747185 propose pour augmenter la discrétion de télécommander la mise en route du désignateur directement à partir du module d'attaque. On utilise pour cela un émetteur hertzien qui est embarqué sur le module d'attaque et qui transmet un signal de télécommande vers un moyen récepteur solidaire du désignateur.The patent FR-2747185 proposes to increase the discretion to remotely control the start of the designator directly from the attack module. For this purpose, a radio transmitter is used which is embedded on the driving module and which transmits a remote control signal to a receiver means integral with the designator.

On peut ainsi réduire la durée de la désignation.This can reduce the duration of the designation.

Cette solution présente cependant l'inconvénient d'être sensible au brouillage. Par ailleurs, compte tenu des portées des émetteurs hertziens habituels, l'allumage du désignateur risque d'être prématuré. Il est par ailleurs possible de commander plusieurs désignateurs à partir du module d'attaque (inconvénient qui pourrait cependant être pallié à l'aide d'un codage des signaux).This solution however has the disadvantage of being sensitive to jamming. In addition, given the range of conventional radio transmitters, the power of the designator may be premature. It is also possible to control several designators from the driver module (a disadvantage that could however be overcome by means of signal coding).

La portée d'émission étant importante, il est enfin difficile avec ce concept de maîtriser l'instant d'allumage effectif du désignateur en fonction des configurations du terrain.The range of emission being important, it is finally difficult with this concept to control the instant of effective lighting of the designator according to the configurations of the ground.

L'invention a pour but de pallier de tels inconvénients en proposant un moyen de télécommande permettant de réduire la durée d'allumage du désignateur, donc permettant de réduire aussi sa détectabilité.The invention aims to overcome such drawbacks by providing a remote control means to reduce the ignition time of the designator, thus also reducing its detectability.

L'invention permet enfin de maîtriser l'instant d'allumage du désignateur.Finally, the invention makes it possible to control the instant of ignition of the designator.

Ainsi, l'invention a pour objet un dispositif de télécommande, à partir d'un module d'attaque agissant en survol d'une cible, module de type projectile ou sous-projectile, missile ou drone d'attaque, d'un désignateur de cible qui est disposé sur un terrain d'opérations, dispositif comprenant un moyen émetteur d'un signal de télécommande disposé dans le module d'attaque et au moins un moyen récepteur du signal de télécommande solidaire du désignateur et associé à un moyen de commande de la mise en route du désignateur, dispositif caractérisé en ce que le moyen émetteur comporte au moins une source lumineuse orientée de façon à éclairer le terrain et en ce que le moyen récepteur comporte un détecteur du rayonnement émis par la ou les sources lumineuses.Thus, the subject of the invention is a remote control device, from an attacking module acting as an overflight of a target, a projectile or sub-projectile module, missile or attacking drone, of a designator of a target which is arranged on a field of operations, said device comprising means transmitting a remote control signal disposed in the driving module and at least one receiving means of the remote control signal integral with the designator and associated with a control means of the start of the designator, characterized in that the transmitter means comprises at least one light source oriented so as to illuminate the ground and in that the receiving means comprises a detector of the radiation emitted by the light source or sources.

D'une façon préférée, le moyen émetteur assurera l'émission de signaux codés.In a preferred manner, the transmitter means will transmit coded signals.

Ces signaux pourront être transmis sous la forme d'un train d'impulsions.These signals can be transmitted in the form of a train of pulses.

Le moyen émetteur pourra comporter au moins deux sources lumineuses régulièrement réparties angulairement autour d'un axe du module d'attaque.The transmitter means may comprise at least two light sources regularly distributed angularly around an axis of the driver module.

L'invention a également pour objet un module d'attaque agissant en survol d'une cible, module de type projectile ou sous projectile, missile ou drone d'attaque mettant en oeuvre un tel dispositif, module équipé de moyens de détection de cible destinés à coopérer avec un désignateur de cible disposé sur le terrain, module d'attaque comportant par ailleurs un moyen émetteur assurant la télécommande de la mise en route du désignateur, module d'attaque caractérisé en ce que le moyen émetteur comporte au moins une source lumineuse orientée de façon à pouvoir éclairer une zone de terrain lors du survol du terrain par le module d'attaque.The subject of the invention is also an attack module acting as an overflight of a target, a projectile or under-projectile module, a missile or an attacking drone using such a device, a module equipped with target detection means intended to to cooperate with a target designator disposed in the field, the driving module further comprising a transmitter means ensuring the remote control of the start of the designator, a driving module characterized in that the transmitter means comprises at least one light source oriented so as to illuminate a terrain area during the overflight of the terrain by the attack module.

Le moyen émetteur pourra comporter au moins deux sources lumineuses régulièrement réparties angulairement autour d'un axe du module d'attaque.The transmitter means may comprise at least two light sources regularly distributed angularly around an axis of the driver module.

Les sources lumineuses seront avantageusement régulièrement réparties autour d'un détecteur optique ou d'un autodirecteur.The light sources are advantageously regularly distributed around an optical detector or a homing device.

L'invention a enfn pour objet un désignateur de cible destiné à coopérer avec un module d'attaque agissant en survol d'une cible, module de type projectile ou sous-projectile, missile ou drone d'attaque, module d'attaque équipé de moyens de détection de cible et/ou de détection d'un faisceau de désignation, désignateur comportant un moyen récepteur d'un signal de télécommande émis par un moyen émetteur solidaire du module d'attaque, moyen récepteur associé à un moyen assurant la commande de la mise en route du désignateur, désignateur caractérisé en ce que le moyen récepteur comporte au moins un détecteur du rayonnement émis par au moins une source lumineuse solidaire du module d'attaque.The object of the invention is a target designator intended to cooperate with an attack module that acts as an overflight of a target, a projectile or sub-projectile module, a missile or an attacking drone, an attack module equipped with target detection and / or detection means of a designation beam, designator comprising a receiver means of a remote control signal transmitted by a transmitter means integral with the driving module, receiving means associated with means providing the control of the start of the designator, designator characterized in that the receiving means comprises at least one radiation detector emitted by at least one light source integral with the driver module.

Le moyen récepteur pourra comporter une optique disposée sur une face supérieure du désignateur de façon à recevoir directement les rayons lumineux émis par le module d'attaque.The receiving means may comprise an optical element disposed on an upper face of the designator so as to directly receive the light rays emitted by the driving module.

Alternativement, le moyen récepteur pourra comporter une optique disposée de façon à observer une cible, les rayons lumineux émis par la ou les sources lumineuses du module d'attaque parvenant au désignateur après réflexion sur la cible.Alternatively, the receiver means may include an optical arranged to observe a target, the light rays emitted by the light source or light sources of the driver module arriving at the designator after reflection on the target.

D'autres avantages de l'invention apparaîtront à la lecture de la description qui va suivre de différents modes de réalisation, description faite en référence aux dessins annexés et dans lesquels :

  • la figure 1 est un schéma montrant la mise en oeuvre classique d'un module d'attaque associé à un désignateur de cible,
  • la figure 2 montre la coopération d'un module d'attaque avec un désignateur suivant un premier mode de réalisation de l'invention,
  • la figure 3 est un schéma synoptique de la structure du dispositif de télécommande suivant ce premier mode de réalisation,
  • la figure 4 est une vue en coupe simplifiée d'une partie avant d'un module d'attaque suivant une variante de ce premier mode de réalisation,
  • la figure 5 est un schéma synoptique de la structure du dispositif de télécommande suivant un deuxième mode de réalisation de l'invention.
Other advantages of the invention will appear on reading the following description of various embodiments, a description given with reference to the appended drawings and in which:
  • the figure 1 is a diagram showing the conventional implementation of an attack module associated with a target designator,
  • the figure 2 shows the cooperation of a driver module with a designator according to a first embodiment of the invention,
  • the figure 3 is a block diagram of the structure of the remote control device according to this first embodiment,
  • the figure 4 is a simplified sectional view of a front portion of a driver module according to a variant of this first embodiment,
  • the figure 5 is a block diagram of the structure of the remote control device according to a second embodiment of the invention.

La figure 1 montre un module d'attaque 1 (ici un projectile) qui est projeté à partir d'un système d'arme (non représenté) en direction d'une cible 2.The figure 1 shows an attack module 1 (here a projectile) which is projected from a weapon system (not shown) towards a target 2.

Un désignateur de cible 3 est disposé sur le terrain. D'une façon classique ce désignateur projette sur la cible 2 un faisceau laser 4. Il en résulte une tache laser 5 sur la cible 2, tache qui est vue par des moyens de détection 6, portés par le projectile 1, et qui observent le sol suivant un cône de détection 11. Ces moyens de détection 6 sont constitués par exemple par un détecteur optique ou par un autodirecteur qui sera couplé à des moyens de commande de pilotage comprenant par exemple des gouvernes orientables 7.A target designator 3 is disposed in the field. In a conventional manner this designer projects on the target 2 a laser beam 4. This results in a laser spot 5 on the target 2, which spot is seen by detection means 6, carried by the projectile 1, and which observe the according to a detection cone 11. These detection means 6 are constituted for example by an optical detector or by a self-steering unit which will be coupled to pilot control means comprising for example steerable control surfaces 7.

D'une façon classique (décrite par exemple par le brevet FR2747185 ), le projectile 1 porte (par exemple au niveau d'un module de contrôle 8 disposé dans l'ogive) un moyen émetteur d'un signal de télécommande 9.In a conventional manner (described for example by the patent FR2747185 ), the projectile 1 carries (for example at a control module 8 disposed in the ogive) a transmitter means of a remote control signal 9.

Ce moyen émetteur connu est un émetteur radiofréquence.This known transmitter means is a radiofrequency transmitter.

Le signal 9 qu'il émet est reçu par un moyen récepteur 10 (par exemple une antenne), moyen qui est solidaire du désignateur 3.The signal 9 that it transmits is received by a receiver means 10 (for example an antenna), which means is integral with the designator 3.

Le signal de télécommande permet d'assurer la mise en route du désignateur 3. Ainsi ce dernier peut se trouver orienté vers la cible mais rester à l'état de repos, donc indétectable.The remote control signal makes it possible to start the designator 3 so that the latter can be oriented towards the target but remain in the state of rest, and therefore undetectable.

Ce n'est que lors du passage d'un projectile 1 équipé du moyen de télécommande approprié que le désignateur 3 est mis en route et qu'il assure la projection du faisceau laser 4 vers la cible 2.Only when passing a projectile 1 equipped with the appropriate remote control means that the designator 3 is turned on and that it projects the laser beam 4 towards the target 2.

Un tel mode de fonctionnement est décrit ici en référence à un module d'attaque 1 constitué par un projectile ayant une trajectoire balistique 12.Such a mode of operation is described here with reference to an attack module 1 constituted by a projectile having a ballistic trajectory 12.

Il peut bien entendu (comme décrit par le brevet FR2747185 ) être mis en oeuvre à partir d'un module d'attaque constitué par une ou plusieurs sous munitions dispersées au-dessus du terrain par un projectile cargo.It can of course (as described by the patent FR2747185 ) be implemented from an attack module constituted by one or more submunitions dispersed above the ground by a cargo projectile.

Ce dispositif connu présente les inconvénients qui ont été mentionnés dans la première partie de la présente demande. Notamment la portée d'émission du signal 9 est relativement importante et varie en fonction du terrain. On ne peut donc pas maîtriser l'instant de mise en route du désignateur.This known device has the disadvantages that have been mentioned in the first part of the present application. In particular, the transmission range of the signal 9 is relatively large and varies according to the terrain. It is therefore not possible to control the start-up time of the designator.

La figure 2 montre un dispositif de télécommande suivant un premier mode de réalisation de l'invention.The figure 2 shows a remote control device according to a first embodiment of the invention.

Suivant ce mode, le module d'attaque 1 présente un moyen émetteur qui comporte au moins une source lumineuse 13 qui est orientée de façon à éclairer le terrain.In this mode, the driver module 1 has a transmitter means which comprises at least one light source 13 which is oriented so as to illuminate the terrain.

Plus précisément le module 1 porte plusieurs sources lumineuses 13 régulièrement réparties angulairement autour de l'axe du module d'attaque. Ainsi, compte tenu de la rotation du module 1 autour de son axe, les sources 13 éclairent le sol successivement les unes après les autres.More specifically, the module 1 carries several light sources 13 regularly distributed angularly around the axis of the attack module. Thus, given the rotation of the module 1 about its axis, the sources 13 illuminate the ground successively one after the other.

On utilisera de préférence des sources laser ce qui permet de réduire les dimensions du cône d'éclairement 15 émis par chaque source 13.Laser sources will preferably be used, which makes it possible to reduce the dimensions of the illumination cone 15 emitted by each source 13.

Par ailleurs on définira de préférence le moyen émetteur porté par le module 1 de telle sorte qu'il assure l'émission par les sources 13 de signaux codés. On peut ainsi assurer la commande par un module d'attaque 1 donné d'un désignateur 3 bien défini.Furthermore, the transmitting means carried by the module 1 will preferably be defined so that it ensures the transmission by the sources 13 of coded signals. It is thus possible to provide control by a given drive module 1 of a well-defined designator 3.

Chaque désignateur 3 est pour cela affecté d'un code d'identification particulier et on introduit par ailleurs dans une mémoire du module d'attaque 1 le code du désignateur 3 qui doit être recherché.Each designator 3 is assigned a special identification code for this purpose and the code of the designator 3 to be searched for is also introduced into a memory of the driver module 1.

Afin de diminuer l'énergie consommée par le module d'attaque, les signaux seront avantageusement transmis sous la forme d'un train d'impulsions (ou éclairs) lumineux.In order to reduce the energy consumed by the driver, the signals will advantageously be transmitted in the form of a train of pulses (or flashes) light.

Le désignateur 3 porte un moyen récepteur qui comporte au moins un détecteur 14 du rayonnement qui est émis par la source lumineuse 13.The designator 3 carries a receiver means which comprises at least one detector 14 of the radiation which is emitted by the light source 13.

Suivant le mode de réalisation représenté à la figure 2, le désignateur 3 comporte ainsi une optique 14 qui est disposée au niveau d'une face supérieure 16 du désignateur 3. Cette optique est ainsi orientée sensiblement verticalement, de façon à recevoir directement les rayons lumineux émis par le module d'attaque 1.According to the embodiment shown in figure 2 the designator 3 thus comprises an optic 14 which is disposed at an upper face 16 of the designator 3. This optic is thus oriented substantially vertically, so as to directly receive the light rays emitted by the driving module 1.

Le désignateur comporte par ailleurs une optique émettrice 17 qui assure la projection du faisceau de désignation 4 vers la cible 2.The designator furthermore comprises an emitting optic 17 which ensures the projection of the designation beam 4 towards the target 2.

On voit clairement sur la figure 2 que les faisceaux 15 émis par les sources lumineuses 13 sont orientés vers le sol dans une zone de l'espace bien déterminée. On maîtrise ainsi aisément l'instant de télécommande d'un désignateur. En effet ce n'est que lorsqu'un désignateur 3 se trouve dans un faisceau 15 qu'il peut être mis en route.We clearly see on the figure 2 that the beams 15 emitted by the light sources 13 are oriented towards the ground in an area of the well-defined space. This easily controls the moment of remote control of a designator. Indeed, it is only when a designator 3 is in a beam 15 that it can be started.

La figure 3 montre d'une façon plus détaillée la structure du dispositif de télécommande selon l'invention tant du côté du module d'attaque (dont on a représenté une partie du module de commande 8) que du côté du désignateur 3.The figure 3 shows in more detail the structure of the remote control device according to the invention both on the side of the driver module (which has been shown a portion of the control module 8) that the designator side 3.

Le module de commande 8 porte des moyens de détection ou un autodirecteur 6 dont on a représenté ici schématiquement l'optique. Cet autodirecteur est relié à un calculateur embarqué 18 qui assure les fonctions nécessaires au traitement des signaux reçus par l'autodirecteur 6. Notamment le calculateur 18 est relié à un moyen de commande de pilotage 19 qui agit sur les moteurs 20 des gouvernes (un seul moteur représenté).The control module 8 carries detection means or a homodirector 6 which is shown schematically here the optical. This homing device is connected to an on-board computer 18 which provides the functions necessary for the processing of the signals received by the autodirector 6. In particular the computer 18 is connected to a control control means 19 which acts on the control surface motors 20 (one single motor shown).

Le calculateur 18 est relié à un moyen émetteur 21 du signal de télécommande, moyen qui commande la ou les sources lumineuses 13. Le moyen émetteur 21 assure la génération du signal de télécommande portant éventuellement le codage qui est incorporé dans une mémoire 22 (programmable avant le tir).The computer 18 is connected to a transmitter means 21 of the remote control signal, which means controls the light source or sources 13. The transmitter means 21 generates the remote control signal possibly carrying the coding which is incorporated in a memory 22 (programmable before the shot).

Le calculateur 18 commande donc le début de l'émission du signal de télécommande à l'issue d'un intervalle de temps décompté à partir de l'instant de tir. Cet intervalle est programmé avant le tir. L'instant de démarrage de l'émission est déterminé à l'aide d'une horloge incorporée dans le calculateur 18.The computer 18 therefore controls the start of the transmission of the remote control signal at the end of a time interval counted from the moment of shooting. This interval is programmed before firing. The starting time of the emission is determined using a clock incorporated in the computer 18.

Par ailleurs et pour éviter une consommation d'énergie excessive, le calculateur 18 stoppera l'émission du signal de télécommande lorsqu'il commencera à détecter la tache 5 de désignation de la cible.Furthermore, and to avoid excessive energy consumption, the computer 18 will stop the transmission of the remote control signal when it starts to detect the target designation spot.

Le désignateur 3 incorpore l'optique émettrice 17 qui assure la projection du faisceau de désignation 4 vers la cible 2. Cette optique (qui est généralement une optique laser) est actionnée par un circuit de commande 23 qui est relié à une source d'énergie 24 par l'intermédiaire d'un interrupteur 25.The designator 3 incorporates the emitting optic 17 which projects the designation beam 4 towards the target 2. This optic (which is generally a laser optic) is actuated by a control circuit 23 which is connected to a power source. 24 via a switch 25.

Le détecteur du rayonnement 14, disposé au niveau de la face supérieure 16 du désignateur 3, est par ailleurs relié à un moyen récepteur 26 des signaux de télécommande qui est lui aussi alimenté en énergie par la source d'énergie 24. Ce moyen récepteur 26 assure le décodage et la reconnaissance du signal lumineux reçu. Il assure notamment le cas échéant la comparaison du code porté par le signal avec celui associé au désignateur 3 lui-même et qui est programmé dans une mémoire 27.The radiation detector 14, disposed at the upper face 16 of the designator 3, is also connected to a receiver means 26 of the remote control signals which is also supplied with energy by the energy source 24. This receiver means 26 provides decoding and recognition of the received light signal. In particular, it ensures, where appropriate, comparison of the code carried by the signal with that associated with the designator 3 itself and which is programmed in a memory 27.

Lorsque le signal 15 reçu est effectivement le signal destiné à provoquer la mise en route du désignateur 3, le moyen 26 provoque la fermeture de l'interrupteur 25 ce qui provoque la mise en route du désignateur 3.When the received signal is effectively the signal intended to cause the designator 3 to start, the means 26 causes the switch 25 to close, which causes the designator 3 to be switched on.

Bien entendu les figures décrites ici ne sont que des schémas simplifiés permettant d'expliciter le fonctionnement de l'invention. Ils ne préjugent pas de la réalisation concrète qui sera faite industriellement. Notamment tous les moyens incorporés dans le désignateur 3 (et/ou le module de commande 8) peuvent être réalisés sous la forme d'une seule carte électronique portant un microprocesseur programmable et assurant les différentes fonctions (détection, décodage, commande de mise en route de l'optique émettrice ....).Of course, the figures described here are only simplified diagrams making it possible to explain the operation of the invention. They do not prejudge the concrete realization that will be made industrially. In particular, all the means incorporated in the designator 3 (and / or the control module 8) can be made in the form of a single electronic card carrying a programmable microprocessor and providing the various functions (detection, decoding, start-up control of the transmitting optics ....).

On a représenté sur les figures 2 et 3 des sources lumineuses 13 disposées sensiblement radialement par rapport au corps du module d'attaque 1.We have shown on figures 2 and 3 light sources 13 arranged substantially radially with respect to the body of the driving module 1.

La figure 4 montre en coupe simplifiée un exemple d'intégration des sources lumineuses 13 au niveau d'une partie avant 29 (ou ogive) du module d'attaque 1.The figure 4 shows in simplified section an example of integration of the light sources 13 at a front portion 29 (or ogive) of the driver module 1.

Suivant cet exemple d'intégration l'ogive 8 porte à une extrémité avant le détecteur (ou l'autodirecteur) 6. Celui ci est disposé au niveau de l'axe 28 du module d'attaque 1. Il est relié au module de commande 8.According to this integration example, the ogive 8 carries at one end before the detector (or the homing device) 6. The latter is disposed at the axis 28 of the driver module 1. It is connected to the control module 8.

Les sources lumineuses 13 sont régulièrement réparties angulairement autour de l'axe 28 du module d'attaque. On pourra prévoir ainsi trois ou quatre sources lumineuses 13.The light sources 13 are regularly distributed angularly about the axis 28 of the driver module. Three or four light sources 13 may thus be provided.

Ces sources 13 sont reliées au module de commande 8 et elles sont disposées chacune dans une entaille 30 aménagée sur la surface externe de l'ogive 19.These sources 13 are connected to the control module 8 and they are each arranged in a notch 30 arranged on the outer surface of the ogive 19.

La forme de chaque entaille sera définie de façon à diriger les faisceaux 15 émis par les sources 13.The shape of each cut will be defined so as to direct the beams 15 emitted by the sources 13.

Une telle configuration du dispositif permet de limiter encore plus la zone couverte par le moyen de télécommande. Ce n'est en effet qu'en phase terminale de la trajectoire du module 1 que les faisceaux 15 assurant la télécommande éclaireront le terrain et seules les désignateurs situés dans un rayon de l'ordre de 300 à 400 m autour du point de chute théorique seront télécommandables.Such a configuration of the device can further limit the area covered by the remote control means. It is indeed only in the terminal phase of the path of the module 1 that the beams 15 ensuring the remote control will illuminate the ground and only designators located within a range of 300 to 400 m around the theoretical base will be remotely controllable.

La figure 5 montre sous forme d'un schéma synoptique la structure d'un dispositif de télécommande suivant un deuxième mode de réalisation de l'invention.The figure 5 shows in the form of a block diagram the structure of a remote control device according to a second embodiment of the invention.

Ce mode diffère du précédent en ce que l'on remplace le moyen de détection 6 unidirectionnel par un moyen bidirectionnel 31 qui assure l'observation du terrain et qui peut également émettre un signal optique codé. Le moyen 31 peut donc à la fois remplir les fonctions du moyen de détection 6 et celles de la source lumineuse 13.This mode differs from the previous one in that the unidirectional detecting means 6 is replaced by bidirectional means 31 which ensures the observation of the terrain and which can also emit an encoded optical signal. The means 31 can therefore both fulfill the functions of the detection means 6 and those of the light source 13.

C'est pourquoi sur le schéma ce moyen optique bidirectionnel 31 est relié à la fois au calculateur 18 et au moyen émetteur 21 (couplé à la mémoire 22).This is why in the diagram this bidirectional optical means 31 is connected to both the computer 18 and the transmitter means 21 (coupled to the memory 22).

Parallèlement, au niveau du désignateur 3 on remplacera l'optique émettrice 17 par un moyen optique bidirectionnel 32 pouvant à la fois projeter un faisceau de désignation et recevoir les signaux de télécommande émis par le moyen 31.At the same time, at the level of the designator 3, the transmitting optics 17 will be replaced by bidirectional optical means 32 which can both project a designation beam and receive the remote control signals transmitted by the means 31.

Le moyen optique bidirectionnel 32 est donc relié à la fois au circuit de commande de désignation 23 et au moyen récepteur 26 (couplé à la mémoire 27).The bidirectional optical means 32 is therefore connected to both the designation control circuit 23 and the receiver means 26 (coupled to the memory 27).

Ce mode de réalisation permet, d'une part de réduire le nombre de composants mis en oeuvre, et d'autre part de rendre le faisceau de télécommande encore plus discriminant.This embodiment makes it possible on the one hand to reduce the number of components used, and on the other hand to make the remote control beam even more discriminating.

En effet dans ce cas les rayons lumineux émis par le moyen de télécommande du module d'attaque 1 ne parviennent plus directement au désignateur 3 mais seulement après leur réflexion sur la cible 2 potentiellement désignée.Indeed in this case the light rays emitted by the remote control means of the driver module 1 no longer directly to the designator 3 but only after their reflection on the target 2 potentially designated.

La mise en route du désignateur intervient donc alors dans les derniers instants, lorsque le projectile est en vue directe de la cible potentielle.The commissioning of the designator then intervenes in the last moments, when the projectile is in direct view of the potential target.

L'invention a été décrite en référence à un module d'attaque constitué par un projectile. Il est bien entendu que l'invention pourrait être mise en oeuvre avec d'autres types de modules d'attaque agissant en survol d'une cible et destinée à neutraliser celle ci. On pourra notamment mettre en oeuvre l'invention avec un ou plusieurs sous-projectiles dispersés par un vecteur (tel un projectile cargo). On pourra aussi la mettre en oeuvre avec un missile ou avec un drone d'attaque.The invention has been described with reference to an attack module constituted by a projectile. It is understood that the invention could be implemented with other types of attack modules that fly over a target and intended to neutralize it. It will be possible in particular to implement the invention with one or more sub-projectiles dispersed by a vector (such as a cargo projectile). It can also be implemented with a missile or with a drone attack.

Claims (10)

Dispositif de télécommande, à partir d'un module d'attaque (1) agissant en survol d'une cible, module de type projectile, sous-projectile, missile ou drone d'attaque, d'un désignateur (3) de cible qui est disposé sur un terrain d'opérations, dispositif comprenant un moyen émetteur (21) d'un signal de télécommande (15) disposé dans le module d'attaque (1) et au moins un moyen récepteur (26) du signal de télécommande solidaire du désignateur (3) et associé à un moyen (25) de commande de la mise en route du désignateur (3), dispositif caractérisé en ce que le moyen émetteur (21) comporte au moins une source lumineuse (13) orientée de façon à éclairer le terrain et en ce que le moyen récepteur (26) comporte un détecteur (14) du rayonnement émis par la ou les sources lumineuses (13).Remote control device, from an attack module (1) acting as an overflight of a target, projectile type module, sub-projectile, missile or attacking drone, of a target designator (3) which is disposed on a field of operations, device comprising transmitting means (21) of a remote control signal (15) disposed in the driving module (1) and at least one receiving means (26) of the integral remote control signal of the designator (3) and associated with means (25) for controlling the start of the designator (3), characterized in that the transmitter means (21) comprises at least one light source (13) oriented so as to illuminate the ground and in that the receiving means (26) comprises a detector (14) of the radiation emitted by the light source (s) (13). Dispositif de télécommande selon la revendication 1, caractérisé en ce que le moyen émetteur (21) assure l'émission de signaux codés.Remote control device according to claim 1, characterized in that the transmitter means (21) ensures the transmission of coded signals. Dispositif de télécommande selon la revendication 2, caractérisé en ce que les signaux sont transmis sous la forme d'un train d'impulsions.Remote control device according to claim 2, characterized in that the signals are transmitted in the form of a pulse train. Dispositif de télécommande selon une des revendications 1 à 3, caractérisé en ce que le moyen émetteur (21) comporte au moins deux sources lumineuses (13) régulièrement réparties angulairement autour d'un axe (28) du module d'attaque (1).Remote control device according to one of claims 1 to 3, characterized in that the transmitter means (21) comprises at least two light sources (13) regularly distributed angularly about an axis (28) of the driver module (1). Module d'attaque (1) agissant en survol d'une cible, module de type projectile ou sous projectile, missile ou drone d'attaque, équipé de moyens (6) de détection de cible destinés à coopérer avec un désignateur (3) de cible disposé sur le terrain, module d'attaque (1) comportant par ailleurs un moyen émetteur (21) assurant la télécommande de la mise en route du désignateur (3), module d'attaque caractérisé en ce que le moyen émetteur (21) comporte au moins une source lumineuse (13) orientée de façon à pouvoir éclairer une zone de terrain lors du survol du terrain par le module d'attaque.An attacking module (1) acting as a target overflight, a projectile or sub-projectile module, a missile or a strike-out drone, equipped with target detecting means (6) for co-operating with a designator (3) of target disposed in the field, driving module (1) further comprising transmitter means (21) providing remote control of the start-up of the designator (3), driving module characterized in that the transmitter means (21) has at least one light source (13) oriented so as to illuminate a terrain area during the overflight of the terrain by the driver. Module d'attaque selon la revendication 5, caractérisé en ce que le moyen émetteur (21) comporte au moins deux sources lumineuses (13) régulièrement réparties angulairement autour d'un axe (28) du module d'attaque.Driver module according to claim 5, characterized in that the transmitter means (21) comprises at least two light sources (13) regularly distributed angularly around an axis (28) of the driver module. Module d'attaque selon une des revendications 5 ou 6, caractérisé en ce que les sources lumineuses (13) sont régulièrement réparties autour d'un détecteur optique (6) ou d'un autodirecteur.Driver module according to one of claims 5 or 6, characterized in that the light sources (13) are regularly distributed around an optical detector (6) or a homing device. Désignateur (3) de cible destiné à coopérer avec un module d'attaque (1) agissant en survol d'une cible, module de type projectile ou sous-projectile, missile ou drone d'attaque, module d'attaque équipé de moyens (6) de détection de cible et/ou de détection d'un faisceau de désignation, désignateur comportant un moyen récepteur (26) d'un signal de télécommande émis par un moyen émetteur (21) solidaire du module d'attaque (1), moyen récepteur (26) associé à un moyen (25) assurant la commande de la mise en route du désignateur (3), désignateur caractérisé en ce que le moyen récepteur (26) comporte au moins un détecteur (14) du rayonnement émis par au moins une source lumineuse (13) solidaire du module d'attaque (1).Target designator (3) intended to cooperate with an attack module (1) acting as an overflight of a target, a projectile or sub-projectile module, a missile or an attacking drone, an attacking module equipped with means ( 6) of target detection and / or detection of a designation beam, designator comprising a receiver means (26) of a remote control signal transmitted by a transmitter means (21) integral with the driving module (1), receiving means (26) associated with means (25) controlling the start of the designator (3), designator characterized in that the receiving means (26) comprises at least one detector (14) of the radiation emitted by the minus a light source (13) integral with the driver module (1). Désignateur de cible selon la revendication 8,
caractérisé en ce que le moyen récepteur (26) comporte une optique (14) disposée sur une face supérieure (16) du désignateur (3) de façon à recevoir directement les rayons lumineux émis par le module d'attaque (1).Target designator according to claim 8,
characterized in that the receiving means (26) comprises an optic (14) disposed on an upper face (16) of the designator (3) so as to directly receive the light rays emitted by the driving module (1). Désignateur de cible selon la revendication 8,
caractérisé en ce que le moyen récepteur (26) comporte une optique (32) disposée de façon à observer une cible, les rayons lumineux émis par la ou les sources lumineuses (13) du module d'attaque parvenant au désignateur après réflexion sur la cible.Target designator according to claim 8,
characterized in that the receiver means (26) comprises an optic (32) arranged to observe a target, the light rays emitted by the light source (s) (13) of the driver module reaching the designator after reflection on the target .
EP08290928.4A 2007-10-03 2008-10-02 Device for remotely controlling a target designator from an attack module, attack module and designator implementing such a device Active EP2045565B1 (en)

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US7964831B2 (en) 2011-06-21
FR2922008B1 (en) 2015-12-11
EP2045565B1 (en) 2018-08-08
FR2922008A1 (en) 2009-04-10
US20090114762A1 (en) 2009-05-07
PL2045565T3 (en) 2018-12-31
ES2689291T3 (en) 2018-11-13

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