EP2120000A1 - Discrimination method for shooting simulation - Google Patents

Discrimination method for shooting simulation Download PDF

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Publication number
EP2120000A1
EP2120000A1 EP09305437A EP09305437A EP2120000A1 EP 2120000 A1 EP2120000 A1 EP 2120000A1 EP 09305437 A EP09305437 A EP 09305437A EP 09305437 A EP09305437 A EP 09305437A EP 2120000 A1 EP2120000 A1 EP 2120000A1
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EP
European Patent Office
Prior art keywords
target device
signaling
laser
discrimination
target
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.)
Granted
Application number
EP09305437A
Other languages
German (de)
French (fr)
Other versions
EP2120000B1 (en
Inventor
Michel Fichoux
Jean-Philippe Michel
Willy Rabineau
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.)
GDI SIMULATION
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GDI SIMULATION
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Filing date
Publication date
Application filed by GDI SIMULATION filed Critical GDI SIMULATION
Publication of EP2120000A1 publication Critical patent/EP2120000A1/en
Application granted granted Critical
Publication of EP2120000B1 publication Critical patent/EP2120000B1/en
Priority to CY20111100979T priority Critical patent/CY1111933T1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
    • F41J5/00—Target indicating systems; Target-hit or score detecting systems
    • F41J5/14—Apparatus for signalling hits or scores to the shooter, e.g. manually operated, or for communication between target and shooter; Apparatus for recording hits or scores
    • 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
    • F41A33/00—Adaptations for training; Gun simulators
    • F41A33/02—Light- or radiation-emitting guns ; Light- or radiation-sensitive guns; Cartridges carrying light emitting sources, e.g. laser
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G3/00—Aiming or laying means
    • F41G3/26—Teaching or practice apparatus for gun-aiming or gun-laying
    • F41G3/2616—Teaching or practice apparatus for gun-aiming or gun-laying using a light emitting device
    • F41G3/2622—Teaching or practice apparatus for gun-aiming or gun-laying using a light emitting device for simulating the firing of a gun or the trajectory of a projectile
    • F41G3/265—Teaching or practice apparatus for gun-aiming or gun-laying using a light emitting device for simulating the firing of a gun or the trajectory of a projectile with means for selecting or varying the shape or the direction of the emitted beam
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G3/00—Aiming or laying means
    • F41G3/26—Teaching or practice apparatus for gun-aiming or gun-laying
    • F41G3/2616—Teaching or practice apparatus for gun-aiming or gun-laying using a light emitting device
    • F41G3/2622—Teaching or practice apparatus for gun-aiming or gun-laying using a light emitting device for simulating the firing of a gun or the trajectory of a projectile
    • F41G3/2655—Teaching or practice apparatus for gun-aiming or gun-laying using a light emitting device for simulating the firing of a gun or the trajectory of a projectile in which the light beam is sent from the weapon to the target
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G3/00—Aiming or laying means
    • F41G3/26—Teaching or practice apparatus for gun-aiming or gun-laying
    • F41G3/2616—Teaching or practice apparatus for gun-aiming or gun-laying using a light emitting device
    • F41G3/2622—Teaching or practice apparatus for gun-aiming or gun-laying using a light emitting device for simulating the firing of a gun or the trajectory of a projectile
    • F41G3/2683—Teaching or practice apparatus for gun-aiming or gun-laying using a light emitting device for simulating the firing of a gun or the trajectory of a projectile with reflection of the beam on the target back to the weapon
    • F41G3/2688—Teaching or practice apparatus for gun-aiming or gun-laying using a light emitting device for simulating the firing of a gun or the trajectory of a projectile with reflection of the beam on the target back to the weapon using target range measurement, e.g. with a laser rangefinder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
    • F41J5/00—Target indicating systems; Target-hit or score detecting systems
    • F41J5/02—Photo-electric hit-detector systems

Definitions

  • the present invention relates to a discrimination method during simulation of firing with a simulation weapon towards one of several target devices equipping actors of combat training simulator.
  • the present invention finds a particularly advantageous, but not exclusive, application in the field of simulation for the technical and tactical training of crews in the context of field exercises in regiment or combat training center.
  • the invention also relates to all the players, such as in particular land vehicles, aircraft and any other pedestrian, on which are installed such target devices.
  • the shooting simulator is intended to simulate a real shot of the combat weapon by laser technology.
  • the firing simulator includes an optical block equipped with a non-dangerous low power laser transceiver associated with the aiming system of the combat weapon.
  • the actors of the exercise are also provided with a target device intended to equip them with a target function allowing them to play a role of target, during the simulation of the training.
  • the target device comprises a computer provided with an interface for programming the target, a laser firing detection beacon emitted by the firing simulator, a reflective beacon of the laser firing at the receiver of the firing simulator optical block, and an alarm. triggered when the detector has detected a laser shot.
  • the purpose of the invention is precisely to make the result of the combat training simulation practically coincide with the result of a real training in combat by overcoming the disadvantages of the techniques described above.
  • the invention implements a discrimination operation executed by a microprocessor of a central computer for managing the simulation of the drive or by each microprocessor of each computer of each target device.
  • This discrimination operation makes it possible to identify and select among the target devices having detected the laser shot the one that has the highest probability of being hit by said laser shot according to previously defined discrimination criteria.
  • the target devices of the invention are provided with communication means capable of transmitting a firing detection signaling to the central computer or to the other target devices for the execution of the discrimination operation.
  • the invention is also characterized in that the communication between the target devices via their transmission means is established via a network according to a public or proprietary standard.
  • the invention is also characterized in that the communication between the target devices via their means of transmission is established via the creation of a bidirectional dynamic network.
  • the invention is also characterized in that the communication between the target devices via their transmission means is established in broadcast mode.
  • the invention also relates to a target device comprising a transmission means coupled to a computer adapted to perform the discrimination method of the invention.
  • the invention also relates to an actor in combat, such as a land vehicle, an aircraft or a pedestrian player, on which is mounted such a target device.
  • the figure 1 shows a representation of a combat simulation of several combat actors on a training ground.
  • the actors in combat are composed of a tank 10, a helicopter 15 and three actors 12, 16 and 17 pedestrians such as infantrymen. All these combat actors are equipped with a firing simulator 40 of a combat weapon as represented in FIG. figure 2 and a target device 60 as described in figure 3 .
  • the shooter in the example of figure 1 , is the tank 10 armed with a gun 14 whose aiming system is associated with the simulator 40 of firing a shell 11.
  • the aiming system of the gun 14 is associated with the axis of a laser rangefinder 47 of the simulator of shots 40 and is pointed towards a materialized target by the actor 12 of pedestrian combat located at a horizontal distance D of the tank 11.
  • the laser rangefinder 47 of the firing simulator 40 comprises a laser transmitter 41, for example a laser diode, for producing low power laser pulses in the form of a light beam with a given repetition frequency of a few kHz.
  • the laser rangefinder 47 also has a laser receiver 41, such as a light-sensitive diode.
  • the firing simulator 40 also comprises a gap gauge 43 capable of measuring variations in location and in azimuth of the pedestrian actor.
  • the firing simulator 40 comprises a device 44 for scanning a laser beam emitted by the transmitter 41.
  • the firing simulator 40 is coupled to a control circuit 13 capable of triggering the emission of the laser beam by the transmitter 41, to ensure the processing of the signals received by the receiver 42, to ensure the activation of the 43 and the scanning device 44 and to ensure the processing of the data received from them.
  • the firing simulator 40 includes a graphical human machine interface.
  • This interface 45 comprises various descriptive titles whose provision guides the user in entering programming information of the firing function of the firing simulator 40. This interface 45 allows the user to configure and control the simulator shots from tank 10.
  • the control circuit 13 comprises a microprocessor 21, a memory 22 of firing simulation program and a memory 23 of data interconnected by an internal bus 25.
  • actions are attributed to devices or programs, that is to say that these actions are executed by a microprocessor of this apparatus or of the apparatus comprising the program, said microprocessor then being controlled by instruction codes stored in a memory of the device.
  • instruction codes make it possible to implement the means of the apparatus and thus to carry out the action undertaken.
  • the shooting program memory 22 is divided into several zones, each zone corresponding to a function or a mode of operation. 40.
  • a zone 26 includes instruction codes for processing the information entered on the interface 45 and activating the firing function of the firing simulator 40 as a result of a validation by the user of this input.
  • a zone 27 comprises instruction codes for measuring the distance D between the targeted pedestrian player 12 and the tank 10 corresponding to a measurement of a time of emission and reception of a laser shot.
  • a zone 28 comprises instruction codes for simulating a trajectory T of a ballistic behavior of the simulated munition, which is here the shell 11.
  • An area 29 comprises instruction codes for calculating the site and azimuth deviations from the data provided by
  • a zone 30 comprises instruction codes for activating the scanning device 44 during the emission of a laser beam emitted by the transmitter 41.
  • a zone 31 comprises instruction codes for detaching the line of sight from the weapon according to the data provided by the scanning device 44 and a devometer 43.
  • the control circuit 13 measures the time offset corresponding to the distance of distance D of the pedestrian actor 12 by the emission of a laser beam and the reception of the radiation reemitted by a reflector of the device 60 target of the 12 pedestrian actor.
  • the control circuit 13 determines the firing parameters in order to simulate in time a ballistic behavior of the shell 11.
  • the parameters of the firing can be, in particular, the temperature of the powder, the aerological conditions, the winds, etc.
  • the control circuit 13 determines a fictitious trajectory T supposed to be the trajectory of the simulated shell 11.
  • This trajectory T is developed in real time from, in particular, the gun pointing parameters, the measured distance D and the ballistic behavior of the simulated shell 11.
  • the fictitious trajectory T of the simulated shell 11 is known at each instant (ti) by tables or by calculation.
  • the simulated trajectory T thus enables the control circuit 13 to create a relationship between a distance traveled by the munition and the time ti.
  • the circuit 13 simultaneously controls the emission of the laser firing simulating the shell 11 and the activation of the scanning device 44.
  • the activation of the scanning device 44 makes it possible to carry out a displacement of the emitted laser beam along the trajectory T so as to explore a certain field to observe the pedestrian actor 12.
  • This scan represents a time simulation of the laser shot to represent the ballistic behavior of the simulated shell 11.
  • the displacement of the laser beam according to the trajectory T made by the scanning device 44 is preferably a two-dimensional scan, namely a horizontal scan or "bearing” and a vertical scan or "site".
  • the control circuit 13 creates a succession of time window A0 sweeping between the instant t0 emission of the laser shot and an instant t8 of impact of the laser shot on the actor 12 pedestrian.
  • the width of a temporal A0 window depends on the size or width of the target to be reached.
  • the control circuit 13 From the site and azimuth deviations received from the devometer 43 and data on the site / bearing directions received from the scanning device 44, the control circuit 13 measures a behavior in lateral displacement of the pedestrian actor 12. The control circuit 13 detaches, as a function of time, the axis of view of the tank 11 and the axis of the rangefinder 47 towards the new direction of the pedestrian actor 12 as a function of the measured displacement behavior and recalculates the trajectory T.
  • the target devices 60 are provided with a transmission means 61 capable of communicating with a discrimination member 50 intended to determine which of these actors are probably affected by this laser shot.
  • the means 61 for communicating the target devices 60 communicates with the discrimination member 50 through a communication bus 51.
  • the communication bus 51 may in particular be optical fibers or cables in which electrical signals or radio waves circulate.
  • the communication means 61 is determined according to the communication protocols of the communication bus 51.
  • the discrimination member 50 is a set of resources, memories and processors in a multitasking environment. It can also be a real or virtual complete machine in a cluster of machines.
  • this discrimination member 50 is a central computer for managing the simulation of the training. It comprises, inter alia, a microprocessor 52, a memory 53 of discrimination program, a memory 54 of data interconnected by an internal bus 55.
  • the discrimination program memory 53 is divided into several zones, each zone corresponding to a function or an operating mode of the discrimination element 50.
  • a zone 56 includes instruction codes for receiving fire detection signaling transmitted by the target devices 60 via their transmission means 61.
  • a zone 57 comprises instruction codes for applying a discrimination operation to the received signaling, according to at least one previously defined discrimination criterion.
  • An area 58 includes instruction codes for selecting, depending on the result of the discriminating operation, the combatant (s) that are affected.
  • a zone 59 includes instruction codes to determine the destroyed character or not of the target device that has been selected according to vulnerability criteria stored in the data memory.
  • An area 48 includes instruction codes for transmitting an activation signal to the selected combat actors. This activation signal makes it possible to actuate the alarm 65 of the corresponding target device 60. This alarm 65 may be an audible, visual or mechanical alarm, such as a vibrator.
  • This activation signal can also be used to cut the power supply of the electric components of the actor to the selected combat, for example when this actor is a terrestrial vehicle the activation signal can stop the power supply of the radio.
  • the figure 3 shows an example of a target device 60 carried by the combat actors able to simulate a target function.
  • the target device 60 includes a laser detector 63 and a laser reflector 64.
  • the laser reflector 64 is able to reflect the incident signal to the receiver 42 of a firing simulator 40.
  • the target device 60 has an alarm 65. It also comprises a computer 66.
  • the communication means 61 of the target device 60 is a radio module comprising an antenna 62 enabling the target device 60 to perform a radio link with the discriminator.
  • the radio communication can be carried out via a network according to the GSM, PCS, DCS, UMTS or any other existing or future private or proprietary standards.
  • the radio communication can also be carried out in broadcast mode or "broadcast" in English.
  • this communication is performed by creating a bidirectional dynamic network.
  • the communication means 61 communicate according to the communication protocol based on the IEEE 802.15.4 standard such as the ZigBee.
  • the known "carrier sense multiple access (CSMA)” technology can also be used to enable target devices to engage a random access transmission from the moment no traffic is in progress.
  • the target devices 60 comprise means capable of ensuring the state of the traffic by analyzing the carrier which reveals the state of the electrical signal on the line. In this case, the target device 60 which seeks to transmit "listens" to the network to verify that no other target device 60 uses said network before transmitting. If the network is free, it transmits, otherwise, it waits before starting again. This waiting time before the repetition is often random, to avoid new collisions afterwards.
  • an acknowledgment technology can be added to the communication protocol.
  • the detector 63, the reflector 64 and the alarm 65 are connected to the computer 66 by a transmission path 67.
  • the radio module 61 is connected to the computer 66 by a transmission channel 68.
  • the transmission channels 67 and 68 may in particular be cables in which electrical signals or radio waves or optical fibers circulate.
  • the transmission channels 67 and 68 also provide the communication protocols. Lanes 67 and 68 may be two separate or two transmission paths combined into one path.
  • the computer 66 comprises a microprocessor 69, a target program memory 70 and a data memory 72 connected to a bus 73.
  • the computer 66 comprises a graphical human-machine interface 74 comprising various descriptive labels whose arrangement makes it possible to guide the user. in entering programming information of the function of the target device 60.
  • This interface 74 allows the user to manually configure and activate the target device 60.
  • This interface 74 can be controlled remotely via the central computer management training simulation.
  • the target program memory 70 is divided into several areas, each area corresponding to a function or mode of operation of the target device's target function activation program.
  • a zone 75 includes instruction codes for receiving and processing the information entered on the interface 74 and activating the target function of the target device 60 as a result of user validation of that input.
  • a zone 76 comprises instruction codes for sending a detection signaling to the discriminating member 50, when the discrimination method is not executed by the computer 66.
  • said calculator when the discrimination member is the calculator 66 of the target device then said calculator further comprises a memory 71 discrimination program shown in dashed lines.
  • the representation of the memories in the figure 3 is just an illustration of component implementation and data logging. In practice, these memories are unified or distributed according to size constraints of the database and / or speed of the desired processing.
  • the discrimination program memory 71 is divided into several zones, each zone corresponding to a function or an operating mode of the computer program 66.
  • a zone 77 comprises instruction codes for processing and analyzing the characteristics of a laser shot detected by the detector 63.
  • An area 78 includes instruction codes for measuring an impact date (ti) of the shot on the target device and calculating a actual distance corresponding to that impact date.
  • a field 79 comprises instruction codes for determining the values of discrimination criteria of which their nature has been previously defined.
  • An area 80 includes instruction codes for triggering a signal listener window whose duration is previously defined.
  • An area 81 includes instruction codes for developing and transmitting laser firing detection signaling to other target devices.
  • a zone 82 includes instruction codes for applying a discriminating operation to the received signaling and the signaling developed, according to at least one discrimination criterion.
  • a zone 83 comprises instruction codes for determining, as a function of the result of the discrimination operation, whether or not the target device having developed the signaling has been affected.
  • a field 84 includes instruction codes for determining whether or not the target device that has been affected has been destroyed in accordance with vulnerability criteria stored in the data memory.
  • An area 85 includes instruction codes for actuating the alarm 65, when the target device has a destroyed character.
  • the figure 4 shows an illustration of means implementing the method of the invention.
  • the discrimination member is the simulation management central computer then the microprocessor 52 executes the steps of the block 200.
  • the discriminator is the target device calculator 66 then the microprocessors 69 of each target device whose detector 63 has detected a laser shot executes the steps of blocks 100 and 200
  • Block 100 shows a preliminary step 101 in which the target device 60 is in standby mode.
  • the target function is activated and any messages received from the radio module 61 are not taken into account.
  • the device 60 target will not come out of this standby state until the detector 63 has detected a laser shot.
  • the detector 63 detects a laser shot and transmits it via the transmission path 67 to the computer 66.
  • the computer 66 analyzes the characteristics contained in the laser shot.
  • the characteristics of the laser shot are recorded in a table form where each line of the table corresponds to a type of shot, each column of the table corresponds to information on this shot.
  • Table 1 shows an example of a table of the data memory 22 where laser firing data are recorded. Table 1 Type of shots Time / date Type of ammunition Instructions Goodwill Distance D Identity of the shooter Referee Arbitrator Measure distance D Shooter Simulation shot Shooter
  • step 102 the computer 66 compares the identity of the shooter contained in the laser shot at an identity of an arbitrator stored in the data memory.
  • the referee can be the manager of the network or the simulation of the training. If the laser shot is a shot from a simulator's shooting simulator, then the computer 66 processes and executes at step 102 the instructions contained in the laser shot.
  • the computer 66 determines whether the shot is a measurement shot of the distance D or a simulation of real shots. If the laser shot is a measurement shot distance D then the computer 66 returns to standby state in step 101.
  • step 103 the computer 66 checks whether the combat actor is only shot at by the shot. To do this, the computer 66 compares the difference between the measured distance D contained in the laser shot and a real distance corresponding to the impact date (ti) of the shot on the actor in combat carrying said target device. If the deviation is greater than a pre-defined set point threshold, then the computer 66 returns to standby state at step 101.
  • this set threshold may be substantially equal to the width of said vehicles, for example 4 meters.
  • the computer 66 executes steps 104 to 109 of block 100 and steps 201 to 204 of block 200 of the discrimination method of the invention.
  • each computer 66 develops and transmits laser firing detection signaling to other target devices via its transmission means 61.
  • the size of the signaling depends on the type of information to be transmitted to the other target devices, the desired transmission speed and the number of target devices to be taken into account when applying the discrimination operation of the invention. .
  • the size of the signaling may comprise only information concerning the corresponding target device, in which case the signaling may have a size of 16 bytes.
  • the signaling is a message of 29 bytes of data. It can be structured as follows: Table 2 Number of bytes Characteristics 1 Nature of the laser shot 2 Participant code of the shooter 1 Type of ammunition 2 Number of shots 2 Difference between actual distance and measured distance 2 Values criteria of discrimination 2 Site / azimuth deviation 1 Number of target devices in the group 2 Target participant code 1 2 Target discrimination criteria 1 2 Target participant code 2 2 Target discrimination criteria 2 2 Target participant code 3 2 Target discrimination criteria 3 2 Target participant code 4 2 Target discrimination criteria 4
  • the computer 66 triggers, in a next step 105, a signal listener window received in response to the signaling developed. To do this, he runs a countdown counter, the duration of which is almost equal to the duration of the laser shot, of the order of a few hundred milliseconds, during which time he listens to the waves to make sure that no other detector target device did not detect the same laser shot.
  • the calculator 66 finalizes the discrimination at the end of this listening window by applying to the signals received and to that elaborated the discrimination operation of the invention of the steps of the block 200.
  • the outcome of the listening window can be obtained either when the countdown timer reaches zero or is triggered manually by a user.
  • Steps 106 to 109 are executed by the computer 66 each time it receives a signaling in response to its elaborate signaling, during the listening window.
  • the computer 66 analyzes a signaling received in response to its elaborate signaling.
  • This received signaling may comprise the same types of characteristics as those of the elaborate signaling.
  • the computer 66 compares the characteristics of its signaling elaborated with those of the signaling received. If the characteristics of the received signaling are different from that of the elaborated signaling, the computer 66 rejects the signaling received from the discrimination. This received signaling is for example removed from the memory of the computer 66. If the characteristics of the signaling received are identical to those of the signaling elaborated, the computer stores said signaling received in step 109 in the data memory if it does not. is not already registered, at step 108.
  • step 201 when the discrimination member is the computer 66, the latter applies to the signaling received and the signaling developed the discriminating operation of the invention.
  • the steps of the block 200 allow the computer 66 to determine, from the signals received and recorded, whether the detected laser shot was intended for him or not according to values of discrimination criteria. This determination is made by means of a discriminating operation which is a combination which can be a sum, a maximum, a comparison or a logical operator.
  • the discrimination member is the central computer
  • the latter applies the discrimination operation of the invention to the signals received.
  • it preferably prefers a signaling among those received.
  • the discrimination member applies the discrimination operation to the values of discrimination criteria contained in the signaling.
  • the discrimination criterion can be the power of the laser shot detected by the target device.
  • the discrimination operation can be a maximum. The higher the detected power, the more the target device is privileged as the target.
  • the discrimination criterion may also be based on the difference between the measured distance D transmitted by the laser shot and the actual distance calculated by the discrimination member. In this case, the discrimination operation may be a minimum. The smaller the gap, the more the target device is privileged as the target.
  • the discrimination criterion is based on the difference between an impact point of the laser shot at the combat actor and a critical point of vulnerability of said actor to the combat previously defined.
  • the discrimination operation may be a minimum. The smaller the gap, the more the target device is privileged as the target.
  • the discrimination criteria mentioned above may be combined, thus making it possible to refine the identification of the target that must be considered as affected.
  • the criteria of discrimination are not limited to those cited, other criteria of discrimination may be used.
  • the discrimination member considers said target device 60 not to be hit by the shot.
  • the discriminator can refine the result of the discriminating operation using other discrimination criteria such as the laser firing detection power.
  • the discrimination member When, the difference between the point of impact of the laser firing and the critical point of vulnerability of one of the signalings issued by a target device is lower than the other differences of the other indications, the discrimination member considers said target device 60 as being the one hit by the shot.
  • the computer 66 may optionally transmit a message comprising the result of the discrimination to the control circuit 13 of the firing simulator and / or to the central computer and / or to the other target devices having emitted the received signalings.
  • the discriminator determines the consequences of the laser firing on the actor in combat of the target device selected in step 202. To do this, it calculates the destroyed character of the target device having the hit character. according to previously determined vulnerability criteria. Vulnerability criteria may include the area of impact of the laser shot, the number of shots and / or the vital functions.
  • the destroyed character of the actor in combat can be obtained via a destruction percentage matrix able to convert a laser shot into a damage value.
  • the destruction percentage matrix is obtained by simulation results or by experimental results via vulnerability criteria. It is specific to each type of actor in combat.
  • the discriminator After extracting the value of damage, the discriminator calculates the percentage of life consumed by the actor in combat. To do this, it adds this damage value to those already recorded. If the result of the addition is less than 100%, the actor in combat is simply considered as hit otherwise he is considered destroyed.
  • the discriminating body When the discriminating body considers as destroyed an actor in combat, then it emits, in step 204, an alarm activation signal 65 of the corresponding target device.
  • the discrimination operation of the invention thus meets the need to reproduce operational combat scenarios as they occur in reality.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Optical Radar Systems And Details Thereof (AREA)

Abstract

The method involves pointing a simulation firearm in a direction of a target device, and carrying out firing with the firearm, where the firing produces an emission of laser radiation. A detection signal representing that the target device detects the radiation is triggered by the target device, where the target device is provided with a laser radiation impact detector. Signalization is emitted by the target device to a discrimination unit and a calculator. The target device detecting the radiation is determined by the unit, where the target device is touched relative to the signalization. An independent claim is also included for a target device comprising a laser detector.

Description

Domaine de l'InventionField of the Invention

La présente invention a pour objet un procédé de discrimination lors de simulation de tirs avec une arme de simulation en direction d'un parmi plusieurs dispositifs cibles équipant des acteurs de simulateur d'entrainement au combat. La présente invention trouve une application particulièrement avantageuse, mais non exclusive, dans le domaine de la simulation pour l'entraînement technique et tactique des équipages dans le cadre d'exercices terrain en régiment ou en centre d'entrainement au combat.The present invention relates to a discrimination method during simulation of firing with a simulation weapon towards one of several target devices equipping actors of combat training simulator. The present invention finds a particularly advantageous, but not exclusive, application in the field of simulation for the technical and tactical training of crews in the context of field exercises in regiment or combat training center.

L'invention concerne également l'ensemble des acteurs, tel que notamment des véhicules terrestres, des aéronefs ainsi que tout autre intervenant pédestre, sur lesquels sont installés de tels dispositifs cibles.The invention also relates to all the players, such as in particular land vehicles, aircraft and any other pedestrian, on which are installed such target devices.

Etat de la techniqueState of the art

Actuellement, lors d'un entrainement technique ou tactique de combat dans le cadre des régiments ou des centres d'entraînement au combat, les acteurs de l'exercice tel que les véhicules terrestres, les aéronefs et les acteurs pédestres sont équipés d'armes de combat tel que des missiles, des roquettes ou des armes légères, associés à un simulateur de tirs. Le simulateur de tirs est destiné à simuler un tir réel de l'arme de combat par la technologie laser. Le simulateur de tirs comporte un bloc optique équipé d'un émetteur-récepteur laser basse puissance non dangereux associé au système de visée de l'arme de combat.Currently, during technical or tactical combat training at regiments or combat training centers, exercise actors such as land vehicles, aircraft and pedestrians are equipped with such as missiles, rockets or small arms, associated with a firing simulator. The shooting simulator is intended to simulate a real shot of the combat weapon by laser technology. The firing simulator includes an optical block equipped with a non-dangerous low power laser transceiver associated with the aiming system of the combat weapon.

Les acteurs de l'exercice sont également munis d'un dispositif cible destiné à les équiper d'une fonction cible leur permettant de jouer un rôle de cible, lors de la simulation de l'entrainement. Le dispositif cible comporte un calculateur muni d'une interface permettant de programmer la cible, une balise détectrice du tir laser émis par le simulateur de tirs, une balise réflectrice du tir laser vers le récepteur du bloc optique du simulateur de tirs, et une alarme déclenchée lorsque le détecteur a détecté un tir laser.The actors of the exercise are also provided with a target device intended to equip them with a target function allowing them to play a role of target, during the simulation of the training. The target device comprises a computer provided with an interface for programming the target, a laser firing detection beacon emitted by the firing simulator, a reflective beacon of the laser firing at the receiver of the firing simulator optical block, and an alarm. triggered when the detector has detected a laser shot.

Toutefois, lorsqu'un simulateur de tirs émet un tir laser vers une cible bien définie, ce tir laser est détecté par tout détecteur situé à proximité de la cible ou dans le chemin de balayage du tir laser. Par conséquent, pour un tir laser destiné à une cible, les alarmes de tous les dispositifs cibles ayant détecté le tir laser vont être déclenchées. Ainsi, par un seul tir laser, le tireur arrive à toucher ou à détruire un ensemble d'acteurs de l'exercice, ce qui ne correspond pas à la réalité.However, when a firing simulator fires a laser shot at a well-defined target, this laser firing is detected by any detector located near the target or in the scanning path of the laser firing. Therefore, for a laser shot for a target, the alarms of all target devices that have detected the laser shot will be triggered. Thus, by a single laser shot, the shooter happens to touch or destroy a set of actors of the exercise, which does not correspond to reality.

Exposé de l'inventionPresentation of the invention

L'invention a justement pour but de faire quasiment coïncider le résultat de la simulation d'entraînement au combat au résultat d'un entrainement réel au combat en remédiant aux inconvénients des techniques exposées précédemment. Pour cela, l'invention met en oeuvre une opération de discrimination exécutée par un microprocesseur d'un ordinateur central de gestion de la simulation de l'entraînement ou par chaque microprocesseur de chaque calculateur de chaque dispositif cible. Cette opération de discrimination permet d'identifier et de sélectionner parmi les dispositifs cibles ayant détecté le tir laser celui qui a la plus forte probabilité d'être touché par ledit tir laser en fonction de critères de discrimination préalablement définis. Pour ce faire, les dispositifs cibles de l'invention sont munis de moyens de communication aptes à transmettre une signalisation de détection de tirs à l'ordinateur central ou aux autres dispositifs cibles pour l'exécution de l'opération de discrimination.The purpose of the invention is precisely to make the result of the combat training simulation practically coincide with the result of a real training in combat by overcoming the disadvantages of the techniques described above. For this purpose, the invention implements a discrimination operation executed by a microprocessor of a central computer for managing the simulation of the drive or by each microprocessor of each computer of each target device. This discrimination operation makes it possible to identify and select among the target devices having detected the laser shot the one that has the highest probability of being hit by said laser shot according to previously defined discrimination criteria. To do this, the target devices of the invention are provided with communication means capable of transmitting a firing detection signaling to the central computer or to the other target devices for the execution of the discrimination operation.

Plus précisément, l'invention a pour objet un procédé de simulation de tirs avec une arme de simulation en direction d'un dispositif cible parmi plusieurs, dans lequel,

  • on pointe l'arme de simulation en direction d'n dispositif cible,
  • on effectue un tir avec l'arme de simulation, ce tir comportant une émission d'un rayonnement laser,
  • le dispositif cible, muni d'un détecteur d'impact de ce rayonnement laser, déclenche un signal de détection représentatif de ce que la cible a détecté le rayonnement,
caractérisé en ce que
  • le dispositif cible qui a détecté le rayonnement émet une signalisation à destination d'un organe de discrimination,
  • l'organe de discrimination détermine, parmi les dispositifs cibles ayant détecté le rayonnement, celui ou ceux qui doivent être considérés comme ayant été touchés en fonction de leurs signalisations.
More specifically, the subject of the invention is a method for simulating shots with a simulation weapon towards one of several target devices, in which,
  • we point the simulation weapon towards a target device,
  • a firing is carried out with the simulation weapon, this firing comprising a emission of laser radiation,
  • the target device, provided with an impact sensor of this laser radiation, triggers a detection signal representative of what the target has detected the radiation,
characterized in that
  • the target device that detected the radiation transmits a signal to a discriminating organ,
  • the discrimination member determines, among the target devices having detected the radiation, the one or those to be considered as having been affected according to their signaling.

Avantageusement l'invention est aussi caractérisée en ce que

  • - l'organe de discrimination détermine comme détruite un dispositif cible touché en fonction d'un critère de vulnérabilité.
Advantageously, the invention is also characterized in that
  • the discrimination organ determines as destroyed an affected target device according to a vulnerability criterion.

Avantageusement l'invention est aussi caractérisée en ce que

  • on exploite le signal de détection pour actionner dans le dispositif cible une alarme.
Advantageously, the invention is also characterized in that
  • the detection signal is operated to actuate an alarm in the target device.

Avantageusement l'invention est aussi caractérisée en ce que lorsque l'organe de discrimination est porté par le dispositif cible,

  • un dispositif cible qui a détecté le rayonnement élabore une signalisation de détection du tir laser à destination d'autres dispositifs cibles,
  • cet organe compare la signalisation élaborée à des signalisations reçues d'autres dispositifs cibles, et
  • détermine, en fonction des signalisations reçues le caractère touché ou non du dispositif cible qui a élaboré la signalisation.
Advantageously, the invention is also characterized in that when the discrimination member is carried by the target device,
  • a target device that has detected the radiation develops laser firing detection signaling for other target devices,
  • this organ compares the signaling developed with signals received from other target devices, and
  • determines, according to the signaling received the affected character or not the target device that developed the signaling.

Avantageusement l'invention est aussi caractérisée en ce que

  • on ouvre une fenêtre d'écoute de signalisations reçues en réponse à la signalisation élaborée et émise,
  • de préférence, les signalisations reçues comportent les mêmes caractéristiques que la signalisation élaborée, et
  • on finalise la discrimination à l'issue de cette fenêtre, cette finalisation permettant de privilégier au moins un dispositif cible parmi les dispositifs cibles ayant détectés un tir laser en fonction.
Advantageously, the invention is also characterized in that
  • a window is opened for receiving signals received in response to the signaling developed and issued,
  • the signals received preferably have the same characteristics as the signaling developed, and
  • the discrimination is finalized at the end of this window, this finalization making it possible to favor at least one target device among the target devices having detected a laser firing in function.

Avantageusement l'invention est aussi caractérisée en ce que

  • la phase d'écoute comporte les étapes suivantes :
  • pour chaque signalisation reçue, on compare les caractéristiques de chaque signalisation reçue aux caractéristiques de la signalisation élaborée,
  • si les caractéristiques reçues sont différentes de celles élaborées, on les écarte de la discrimination,
  • sinon, on mémorise la signalisation reçue, et
  • on effectue la discrimination, à l'issue de la fenêtre d'écoute sur la base des signalisations mémorisées.et de la signalisation élaborée.
Advantageously, the invention is also characterized in that
  • the listening phase comprises the following steps:
  • for each signal received, the characteristics of each signal received are compared with the characteristics of the signaling developed,
  • if the characteristics received are different from those developed, they are discarded from discrimination,
  • otherwise, the received signaling is memorized, and
  • the discrimination is carried out at the end of the listening window on the basis of the memorized signals and the elaborate signaling.

Avantageusement l'invention est aussi caractérisée en ce que

  • on transmet les signalisations à un réseau de communication via un moyen de transmission du dispositif cible.
Advantageously, the invention is also characterized in that
  • the signals are transmitted to a communication network via a transmission means of the target device.

Avantageusement l'invention est aussi caractérisée en ce que en effectuant le tir :

  • on pointe avec l'arme de simulation le dispositif cible à atteindre,
  • on simule avec le rayonnement laser, en fonction du temps un balayage en site du tir laser pour représenter un comportement balistique d'une munition dont la trajectoire (T) est censée être simulée par l'arme de simulation,
  • on mesure la distance (D) entre l'arme de simulation et le dispositif cible et on obtient une distance mesurée,
  • on crée une relation entre la distance parcourue par la munition et le temps,
  • on repère dans le temps une date de l'impact (ti) du rayonnement laser sur le dispositif cible par rapport à la date de tir (t0),
  • et on vérifie que la date d'impact se situe, dans le temps, dans une fenêtre (A0) temporelle calée sur une date correspondant, par l'intermédiaire de la relation, à la distance mesurée.
Advantageously, the invention is also characterized in that by firing:
  • we point with the weapon of simulation the target device to reach,
  • we simulate with laser radiation, as a function of time a laser-shot site scanning to represent a ballistic behavior of a munition whose trajectory (T) is supposed to be simulated by the simulation weapon,
  • the distance (D) between the simulation weapon and the target device is measured and a measured distance is obtained,
  • we create a relationship between the distance traveled by the ammunition and the time,
  • a time of the impact (ti) of the laser radiation on the target device with respect to the firing date (t0) is recorded in time,
  • and it is verified that the impact date is, in time, in a window (A0) temporal set to a corresponding date, through the relationship, to the measured distance.

Avantageusement l'invention est aussi caractérisée en ce que en effectuant le tir :

  • on mesure un comportement en déplacement latéral du dispositif cible,
  • on dépointe l'arme de simulation en fonction du temps en fonction de cette mesure de ce comportement.
Advantageously, the invention is also characterized in that by firing:
  • measuring a behavior in lateral displacement of the target device,
  • we detach the simulation weapon as a function of time according to this measure of this behavior.

Avantageusement l'invention est aussi caractérisée en ce que

  • la signalisation comporte des caractéristiques du tir laser détecté, de la nature de la cible et de valeurs de critères de discrimination.
  • un critère de discrimination est notamment, la puissance du tir laser détectée, un écart entre un point d'impact du tir laser et un point critique de vulnérabilité ou un écart entre la distance mesurée et une distance réelle correspondant à la date de l'impact.
Advantageously, the invention is also characterized in that
  • the signaling includes characteristics of the detected laser shot, the nature of the target and discrimination criteria values.
  • a discrimination criterion is, in particular, the power of the laser shot detected, a difference between a point of impact of the laser shot and a critical point of vulnerability or a difference between the measured distance and an actual distance corresponding to the date of the impact .

Avantageusement l'invention est aussi caractérisée en ce que

  • on calcule un pourcentage de vie consommée de la cible touchée via une matrice de pourcentage de destruction préalablement définie.
Advantageously, the invention is also characterized in that
  • a percentage of consumed life of the affected target is calculated via a predefined percentage of destruction matrix.

Avantageusement l'invention est aussi caractérisée en ce que

  • on déclenche le signal de détection lorsque le pourcentage de vie consommée est supérieur ou égale à 100%.
Advantageously, the invention is also characterized in that
  • the detection signal is triggered when the percentage of life consumed is greater than or equal to 100%.

Avantageusement l'invention est aussi caractérisée en ce que la communication entre les dispositifs cibles via leur moyen de transmission est établie via un réseau selon une norme publique ou propriétaire.Advantageously, the invention is also characterized in that the communication between the target devices via their transmission means is established via a network according to a public or proprietary standard.

Avantageusement l'invention est aussi caractérisée en ce que la communication entre les dispositifs cibles via leur moyen de transmission est établie via la création d'un réseau dynamique en bidirectionnel.Advantageously, the invention is also characterized in that the communication between the target devices via their means of transmission is established via the creation of a bidirectional dynamic network.

Avantageusement l'invention est aussi caractérisée en ce que la communication entre les dispositifs cibles via leur moyen de transmission est établie en mode diffusion.Advantageously, the invention is also characterized in that the communication between the target devices via their transmission means is established in broadcast mode.

L'invention a également pour objet un dispositif cible comportant un moyen de transmission couplé à un calculateur apte à exécuter le procédé de discrimination de l'invention.The invention also relates to a target device comprising a transmission means coupled to a computer adapted to perform the discrimination method of the invention.

L'invention a également pour objet un acteur au combat, tel qu'un véhicule terrestre, un aéronef ou un acteur pédestre, sur lequel est monté un tel dispositif cible.The invention also relates to an actor in combat, such as a land vehicle, an aircraft or a pedestrian player, on which is mounted such a target device.

Brève description des dessinsBrief description of the drawings

L'invention sera mieux comprise à la lecture de la description qui suit et à l'examen des figures qui l'accompagnent. Celles-ci sont présentées à titre indicatif et nullement limitatif de l'invention.

  • La figure 1 schématise une représentation d'une simulation de tirs, lors d'un entrainement au combat, selon l'invention.
  • La figure 2 montre une représentation schématique de l'implantation des composants de simulation portés par les acteurs de l'exercice.
  • La figure 3 montre une représentation schématique d'un mode de réalisation d'un dispositif cible, selon l'invention.
  • La figure 4 montre une illustration de moyens mettant en oeuvre le procédé de l'invention.
The invention will be better understood on reading the description which follows and on examining the figures which accompany it. These are presented as an indication and in no way limitative of the invention.
  • The figure 1 schematizes a representation of a simulation of shots, during a training in combat, according to the invention.
  • The figure 2 shows a schematic representation of the implementation of the simulation components worn by the actors of the exercise.
  • The figure 3 shows a schematic representation of an embodiment of a target device, according to the invention.
  • The figure 4 shows an illustration of means implementing the method of the invention.

Description détaillée de modes de réalisation de l'inventionDETAILED DESCRIPTION OF EMBODIMENTS OF THE INVENTION

La figure 1 montre une représentation d'une simulation de combat de plusieurs acteurs de combat sur un terrain d'entrainement. Dans l'exemple de la figure 1, les acteurs au combat sont composés d'un char 10, d'un hélicoptère 15 et de trois acteurs 12, 16 et 17 pédestres tels que des fantassins. Tous ces acteurs de combat sont munis d'un simulateur de tirs 40 d'une arme de combat tel que représenté à la figure 2 et d'un dispositif 60 cible tel que décrit à la figure 3.The figure 1 shows a representation of a combat simulation of several combat actors on a training ground. In the example of the figure 1 , the actors in combat are composed of a tank 10, a helicopter 15 and three actors 12, 16 and 17 pedestrians such as infantrymen. All these combat actors are equipped with a firing simulator 40 of a combat weapon as represented in FIG. figure 2 and a target device 60 as described in figure 3 .

Le tireur, dans l'exemple de la figure 1, est le char 10 armé d'un canon 14 dont le système de visée est associé au simulateur 40 de tirs d'un obus 11. Le système de visée du canon 14 est associé à l'axe d'un télémètre laser 47 du simulateur de tirs 40 et est pointé en direction d'une cible matérialisée par l'acteur 12 de combat pédestre situé à une distance D horizontale du char 11.The shooter, in the example of figure 1 , is the tank 10 armed with a gun 14 whose aiming system is associated with the simulator 40 of firing a shell 11. The aiming system of the gun 14 is associated with the axis of a laser rangefinder 47 of the simulator of shots 40 and is pointed towards a materialized target by the actor 12 of pedestrian combat located at a horizontal distance D of the tank 11.

Comme représenté à la figure 2, le télémètre laser 47 du simulateur de tirs 40 comporte un émetteur laser 41, par exemple une diode laser, pour produire des impulsions laser de faible puissance sous forme d'un faisceau lumineux avec une fréquence de répétition donnée de quelques kHz. Le télémètre laser 47 comporte également un récepteur laser 41, telle qu'une diode photosensible.As represented in figure 2 , the laser rangefinder 47 of the firing simulator 40 comprises a laser transmitter 41, for example a laser diode, for producing low power laser pulses in the form of a light beam with a given repetition frequency of a few kHz. The laser rangefinder 47 also has a laser receiver 41, such as a light-sensitive diode.

Le simulateur de tirs 40 comporte également un écartomètre 43 apte à mesurer des écarts en site et en azimut de l'acteur 12 pédestre. Le simulateur de tirs 40 comporte un dispositif 44 de balayage d'un faisceau laser émis par l'émetteur 41.The firing simulator 40 also comprises a gap gauge 43 capable of measuring variations in location and in azimuth of the pedestrian actor. The firing simulator 40 comprises a device 44 for scanning a laser beam emitted by the transmitter 41.

Le simulateur de tirs 40 est couplé à un circuit 13 de commande apte à assurer le déclenchement de l'émission du faisceau laser par l'émetteur 41, à assurer le traitement des signaux reçus par le récepteur 42, à assurer l'activation de l'écartomètre 43 et du dispositif 44 de balayage et à assurer le traitement des données reçues de ces derniers.The firing simulator 40 is coupled to a control circuit 13 capable of triggering the emission of the laser beam by the transmitter 41, to ensure the processing of the signals received by the receiver 42, to ensure the activation of the 43 and the scanning device 44 and to ensure the processing of the data received from them.

Le simulateur de tirs 40 comporte une interface 45 graphique homme machine. Cette interface 45 comporte diverses intitulées descriptifs dont la disposition permet de guider l'utilisateur dans la saisie d'informations de programmation de la fonction de tirs du simulateur de tirs 40. Cette interface 45 permet à l'utilisateur de configurer et de commander le simulateur de tirs 40 du char 10.The firing simulator 40 includes a graphical human machine interface. This interface 45 comprises various descriptive titles whose provision guides the user in entering programming information of the firing function of the firing simulator 40. This interface 45 allows the user to configure and control the simulator shots from tank 10.

Le circuit 13 de commande comporte un microprocesseur 21, une mémoire 22 de programme de simulation de tirs et une mémoire 23 de données interconnectés par un bus 25 interne.The control circuit 13 comprises a microprocessor 21, a memory 22 of firing simulation program and a memory 23 of data interconnected by an internal bus 25.

Dans la description on prête des actions à des appareils ou à des programmes, cela signifie que ces actions sont exécutées par un microprocesseur de cet appareil ou de l'appareil comportant le programme, ledit microprocesseur étant alors commandé par des codes instructions enregistrés dans une mémoire de l'appareil. Ces codes instructions permettent de mettre en oeuvre les moyens de l'appareil et donc de réaliser l'action entreprise.In the description, actions are attributed to devices or programs, that is to say that these actions are executed by a microprocessor of this apparatus or of the apparatus comprising the program, said microprocessor then being controlled by instruction codes stored in a memory of the device. These instruction codes make it possible to implement the means of the apparatus and thus to carry out the action undertaken.

La mémoire 22 de programme de tirs est divisée en plusieurs zones, chaque zone correspondant à une fonction ou à un mode de fonctionnement du programme du simulateur de tirs 40. Une zone 26 comporte des codes instructions pour traiter les informations saisies sur l'interface 45 et activer la fonction tir du simulateur de tirs 40 en conséquence d'une validation par l'utilisateur de cette saisie.The shooting program memory 22 is divided into several zones, each zone corresponding to a function or a mode of operation. 40. A zone 26 includes instruction codes for processing the information entered on the interface 45 and activating the firing function of the firing simulator 40 as a result of a validation by the user of this input.

Une zone 27 comporte des codes instructions pour mesurer la distance D séparant l'acteur 12 pédestre ciblé au char 10 correspondant à une mesure d'un temps d'émission et de réception d'un tir laser. Une zone 28 comporte des codes instructions pour simuler une trajectoire T d'un comportement balistique de la munition simulée, qui est ici l'obus 11. Une zone 29 comporte des codes instructions pour calculer les écarts site et azimut à partir des données fournies par un écartomètre 43. Une zone 30 comporte des codes instructions pour activer le dispositif 44 de balayage lors de l'émission d'un faisceau laser émis par l'émetteur 41. Une zone 31 comporte des codes instructions pour dépointer l'axe de visée de l'arme en fonction des données fournies par le dispositif 44 de balayage et par un écartomètre 43.A zone 27 comprises instruction codes for measuring the distance D between the targeted pedestrian player 12 and the tank 10 corresponding to a measurement of a time of emission and reception of a laser shot. A zone 28 comprises instruction codes for simulating a trajectory T of a ballistic behavior of the simulated munition, which is here the shell 11. An area 29 comprises instruction codes for calculating the site and azimuth deviations from the data provided by A zone 30 comprises instruction codes for activating the scanning device 44 during the emission of a laser beam emitted by the transmitter 41. A zone 31 comprises instruction codes for detaching the line of sight from the weapon according to the data provided by the scanning device 44 and a devometer 43.

Lors de la simulation du tir de l'obus 11, l'axe de visée du char 10 et l'axe du télémètre sont pointés dans la direction dans laquelle se trouve l'acteur 12 pédestre. Dans un premier temps, le circuit 13 de commande mesure le décalage temporel correspondant à la distance d'éloignement D de l'acteur 12 pédestre par l'émission d'un faisceau de laser et la réception du rayonnement réémis par un réflecteur du dispositif 60 cible de l'acteur 12 pédestre.During the simulation of the firing of the shell 11, the axis of view of the tank 10 and the axis of the range finder are pointed in the direction in which the actor 12 pedestrian. In a first step, the control circuit 13 measures the time offset corresponding to the distance of distance D of the pedestrian actor 12 by the emission of a laser beam and the reception of the radiation reemitted by a reflector of the device 60 target of the 12 pedestrian actor.

Le circuit 13 de commande détermine les paramètres du tir afin de simuler dans le temps un comportement balistique de l'obus 11. Les paramètres du tir peuvent être notamment la température de la poudre, les conditions aérologiques, les vents etc.The control circuit 13 determines the firing parameters in order to simulate in time a ballistic behavior of the shell 11. The parameters of the firing can be, in particular, the temperature of the powder, the aerological conditions, the winds, etc.

Le circuit 13 de commande détermine une trajectoire T fictive censée être la trajectoire de l'obus 11 simulé. Cette trajectoire T est élaborée en temps réel à partir notamment des paramètres de pointage du canon, de la distance D mesurée et du comportement balistique de l'obus 11 simulé. La trajectoire T fictive de l'obus 11 simulé est connue à chaque instant (ti) par des tables ou par calcul. La trajectoire T simulée permet ainsi au circuit 13 de commande de créer une relation entre une distance parcourue par la munition et le temps ti.The control circuit 13 determines a fictitious trajectory T supposed to be the trajectory of the simulated shell 11. This trajectory T is developed in real time from, in particular, the gun pointing parameters, the measured distance D and the ballistic behavior of the simulated shell 11. The fictitious trajectory T of the simulated shell 11 is known at each instant (ti) by tables or by calculation. The simulated trajectory T thus enables the control circuit 13 to create a relationship between a distance traveled by the munition and the time ti.

Dans un second temps, le circuit 13 commande simultanément l'émission du tir laser simulant l'obus 11 et l'activation du dispositif 44 de balayage. L'activation du dispositif 44 de balayage permet de réaliser un déplacement du faisceau laser émis, selon la trajectoire T de manière à explorer un certain champ pour observer l'acteur 12 pédestre. Ce balayage représente une simulation dans le temps du tir laser pour représenter le comportement balistique de l'obus 11 simulé.In a second step, the circuit 13 simultaneously controls the emission of the laser firing simulating the shell 11 and the activation of the scanning device 44. The activation of the scanning device 44 makes it possible to carry out a displacement of the emitted laser beam along the trajectory T so as to explore a certain field to observe the pedestrian actor 12. This scan represents a time simulation of the laser shot to represent the ballistic behavior of the simulated shell 11.

Le déplacement du faisceau laser selon la trajectoire T réalisé par le dispositif 44 de balayage est de préférence un balayage en deux dimensions, à savoir un balayage horizontal ou "gisement" et un balayage vertical ou "site".The displacement of the laser beam according to the trajectory T made by the scanning device 44 is preferably a two-dimensional scan, namely a horizontal scan or "bearing" and a vertical scan or "site".

Le circuit 13 de commande crée une succession de fenêtre A0 temporelle de balayage entre l'instant t0 d'émission du tir laser et un instant t8 d'impact du tir laser sur l'acteur 12 pédestre. La largeur d'une fenêtre A0 temporelle dépend de la taille ou de la largeur de la cible à atteindre.The control circuit 13 creates a succession of time window A0 sweeping between the instant t0 emission of the laser shot and an instant t8 of impact of the laser shot on the actor 12 pedestrian. The width of a temporal A0 window depends on the size or width of the target to be reached.

A partir des écarts site et azimut reçus de l'écartomètre 43 et des données sur les directions site/gisement reçues du dispositif 44 de balayage, le circuit 13 de commande mesure un comportement en déplacement latéral de l'acteur 12 pédestre. Le circuit 13 de commande dépointe en fonction du temps l'axe de visée du char 11 et l'axe du télémètre 47 vers la nouvelle direction de l'acteur 12 pédestre en fonction du comportement en déplacement mesuré et recalcule la trajectoire T.From the site and azimuth deviations received from the devometer 43 and data on the site / bearing directions received from the scanning device 44, the control circuit 13 measures a behavior in lateral displacement of the pedestrian actor 12. The control circuit 13 detaches, as a function of time, the axis of view of the tank 11 and the axis of the rangefinder 47 towards the new direction of the pedestrian actor 12 as a function of the measured displacement behavior and recalculates the trajectory T.

Toutefois, comme le montre la figure 1, tous les acteurs de combat ayant un détecteur de laser approprié se situant dans le champ de balayage détectent le tir laser. Ainsi dans l'exemple de la figure 1, l'hélicoptère 15, l'acteur de combat 16 pédestre dans l'immeuble et l'acteur 17 de combat pédestre à proximité de l'acteur 12 pédestre ciblé détectent tous le tir laser. Dans l'état de la technique, des alarmes 65 des dispositifs 60 cibles des acteurs 12, 15, 16 et 17 vont être tous déclenchés pour être déclarés touchés par le tir laser, ce qui ne correspond pas à la réalité.However, as shown in figure 1 , all combat actors having a suitable laser detector located in the scanning field detect the laser shot. So in the example of the figure 1 , the helicopter 15, the pedestrian combat actor 16 in the building and the pedestrian combat actor 17 near the targeted pedestrian player 12 all detect the laser shot. In the state of the art, alarms 65 of the target devices 60 of actors 12, 15, 16 and 17 will all be triggered to be declared affected by the laser shot, which does not correspond to reality.

Pour supprimer cette aberration, les dispositifs 60 cibles sont munis d'un moyen 61 de transmission apte à communiquer avec un organe 50 de discrimination destiné à déterminer celui ou ceux de ces acteurs qui sont probablement touchés par ce tir laser.To eliminate this aberration, the target devices 60 are provided with a transmission means 61 capable of communicating with a discrimination member 50 intended to determine which of these actors are probably affected by this laser shot.

Le moyen 61 de communication des dispositifs 60 cibles communique avec l'organe 50 de discrimination à travers un bus 51 de communication. Le bus 51 de communication peut être notamment des fibres optiques ou des câbles dans lesquels circulent des signaux électriques ou des ondes radios.The means 61 for communicating the target devices 60 communicates with the discrimination member 50 through a communication bus 51. The communication bus 51 may in particular be optical fibers or cables in which electrical signals or radio waves circulate.

Le moyen 61 de communication est déterminé en fonction des protocoles de communication du bus 51 de communication.The communication means 61 is determined according to the communication protocols of the communication bus 51.

L'organe 50 de discrimination est un ensemble de ressources, mémoires et processeurs dans un environnement multitâche. Il peut être également une machine complète réelle ou virtuelle dans une grappe de machines.The discrimination member 50 is a set of resources, memories and processors in a multitasking environment. It can also be a real or virtual complete machine in a cluster of machines.

Dans un mode de réalisation préféré, cet organe 50 de discrimination est un ordinateur central de gestion de la simulation de l'entrainement. Il comporte, entre autres, un microprocesseur 52, une mémoire 53 de programme de discrimination, une mémoire 54 de données interconnectés par un bus 55 interne.In a preferred embodiment, this discrimination member 50 is a central computer for managing the simulation of the training. It comprises, inter alia, a microprocessor 52, a memory 53 of discrimination program, a memory 54 of data interconnected by an internal bus 55.

La mémoire 53 de programme de discrimination est divisée en plusieurs zones, chaque zone correspondant à une fonction ou à un mode de fonctionnement de l'organe 50 de discrimination. Une zone 56 comporte des codes instructions pour réceptionner des signalisations de détection de tirs émis par les dispositifs 60 cibles via leurs moyens 61 de transmission. Une zone 57 comporte des codes instructions pour appliquer une opération de discrimination aux signalisations reçues, selon au moins un critère de discrimination préalablement défini.The discrimination program memory 53 is divided into several zones, each zone corresponding to a function or an operating mode of the discrimination element 50. A zone 56 includes instruction codes for receiving fire detection signaling transmitted by the target devices 60 via their transmission means 61. A zone 57 comprises instruction codes for applying a discrimination operation to the received signaling, according to at least one previously defined discrimination criterion.

Une zone 58 comporte des codes instructions pour sélectionner en fonction du résultat de l'opération de discrimination le ou les acteurs de combat qui sont touchés. Une zone 59 comporte des codes instructions pour déterminer le caractère détruit ou non du dispositif cible ayant été sélectionné en fonction de critères de vulnérabilité enregistrés dans la mémoire de données. Une zone 48 comporte des codes instructions pour transmettre un signal d'activation aux acteurs de combat sélectionnés. Ce signal d'activation permet d'actionner l'alarme 65 du dispositif 60 cible correspondant. Cette alarme 65 peut être une alarme sonore, visuelle, ou mécanique, tel que vibreur. Ce signal d'activation peut également permettre de couper l'alimentation électrique des composants électriques de l'acteur au combat sélectionné, par exemple lorsque cet acteur est un véhicule terrestre le signal d'activation peut stopper l'alimentation de la radio.An area 58 includes instruction codes for selecting, depending on the result of the discriminating operation, the combatant (s) that are affected. A zone 59 includes instruction codes to determine the destroyed character or not of the target device that has been selected according to vulnerability criteria stored in the data memory. An area 48 includes instruction codes for transmitting an activation signal to the selected combat actors. This activation signal makes it possible to actuate the alarm 65 of the corresponding target device 60. This alarm 65 may be an audible, visual or mechanical alarm, such as a vibrator. This activation signal can also be used to cut the power supply of the electric components of the actor to the selected combat, for example when this actor is a terrestrial vehicle the activation signal can stop the power supply of the radio.

La figure 3 montre un exemple de dispositif 60 cible porté par les acteurs au combat apte à simuler une fonction cible. Le dispositif 60 cible comporte un détecteur 63 de laser et un réflecteur 64 de laser. Le réflecteur 64 de laser est apte à réfléchir le signal incident vers le récepteur 42 d'un simulateur de tirs 40. Le dispositif 60 cible comporte une alarme 65. Il comporte également un calculateur 66.The figure 3 shows an example of a target device 60 carried by the combat actors able to simulate a target function. The target device 60 includes a laser detector 63 and a laser reflector 64. The laser reflector 64 is able to reflect the incident signal to the receiver 42 of a firing simulator 40. The target device 60 has an alarm 65. It also comprises a computer 66.

Dans un exemple préféré, le moyen 61 de communication du dispositif 60 cible est un module radio comportant une antenne 62 permettant au dispositif 60 cible d'effectuer une liaison radioélectrique avec l'organe de discrimination.In a preferred example, the communication means 61 of the target device 60 is a radio module comprising an antenna 62 enabling the target device 60 to perform a radio link with the discriminator.

La communication par radioélectrique peut être effectuée via un réseau selon la norme GSM, PCS, DCS, UMTS ou toutes autres normes privés ou propriétaires existantes ou à venir. La communication par radioélectrique peut être également effectuée en mode diffusion ou "broadcast" en anglais.The radio communication can be carried out via a network according to the GSM, PCS, DCS, UMTS or any other existing or future private or proprietary standards. The radio communication can also be carried out in broadcast mode or "broadcast" in English.

Dans un mode de réalisation préféré, cette communication est effectuée par la création d'un réseau dynamique en bidirectionnel.In a preferred embodiment, this communication is performed by creating a bidirectional dynamic network.

Dans un exemple, les moyens 61 de communication communiquent selon le protocole de communication basé sur le standard IEEE 802.15.4 tel que le ZigBee.In one example, the communication means 61 communicate according to the communication protocol based on the IEEE 802.15.4 standard such as the ZigBee.

Dans une variante, la technologie connu du "accès multiple avec écoute de porteuse" plus connu sous le nom anglais du "carrier sense multiple access (CSMA)" peut être également utilisée afin de permettre aux dispositifs cibles d'engager par un accès aléatoire une transmission à partir du moment où aucun trafic n'est en cours. Les dispositifs 60 cibles comportent des moyens aptes à s'assurer de l'état du trafic en analysant la porteuse qui révèle l'état du signal électrique sur la ligne. Dans ce cas, le dispositif 60 cible qui cherche à émettre "écoute" le réseau pour vérifier qu'aucun autre dispositif 60 cible n'utilise ledit réseau avant d'émettre. Si le réseau est libre, il émet, sinon, il attend avant de recommencer. Ce temps d'attente avant la répétition est souvent aléatoire, pour éviter de nouvelles collisions par la suite.In a variant, the known "carrier sense multiple access (CSMA)" technology can also be used to enable target devices to engage a random access transmission from the moment no traffic is in progress. The target devices 60 comprise means capable of ensuring the state of the traffic by analyzing the carrier which reveals the state of the electrical signal on the line. In this case, the target device 60 which seeks to transmit "listens" to the network to verify that no other target device 60 uses said network before transmitting. If the network is free, it transmits, otherwise, it waits before starting again. This waiting time before the repetition is often random, to avoid new collisions afterwards.

Dans une autre variante, une technologie d'accusé réception peut être rajoutée au protocole de communication.In another variant, an acknowledgment technology can be added to the communication protocol.

Le détecteur 63, le réflecteur 64 et l'alarme 65 sont reliés au calculateur 66 par une voie 67 de transmission. Le module radio 61 est relié au calculateur 66 par une voie 68 de transmission. Les voies 67 et 68 de transmission peuvent être notamment des câbles dans lesquels circulent des signaux électriques ou des ondes radios ou des fibres optiques. Les voies 67 et 68 de transmission assurent également les protocoles de communication. Les voies 67 et 68 peuvent être deux voies de transmission distinctes ou deux confondues en une seule voie.The detector 63, the reflector 64 and the alarm 65 are connected to the computer 66 by a transmission path 67. The radio module 61 is connected to the computer 66 by a transmission channel 68. The transmission channels 67 and 68 may in particular be cables in which electrical signals or radio waves or optical fibers circulate. The transmission channels 67 and 68 also provide the communication protocols. Lanes 67 and 68 may be two separate or two transmission paths combined into one path.

Le calculateur 66 comporte un microprocesseur 69, une mémoire 70 de programme de cible et une mémoire 72 de données connectés à un bus 73. Le calculateur 66 comporte une interface 74 graphique homme machine comportant divers intitulés descriptifs dont la disposition permet de guider l'utilisateur dans la saisie d'informations de programmation de la fonction du dispositif 60 cible. Cette interface 74 permet à l'utilisateur de configurer et d'activer manuellement le dispositif 60 cible. Cette interface 74 peut être commandée à distance via l'ordinateur central de gestion de la simulation de l'entrainement.The computer 66 comprises a microprocessor 69, a target program memory 70 and a data memory 72 connected to a bus 73. The computer 66 comprises a graphical human-machine interface 74 comprising various descriptive labels whose arrangement makes it possible to guide the user. in entering programming information of the function of the target device 60. This interface 74 allows the user to manually configure and activate the target device 60. This interface 74 can be controlled remotely via the central computer management training simulation.

La mémoire 70 de programme de cible est divisée en plusieurs zones, chaque zone correspondant à une fonction ou à un mode de fonctionnement du programme d'activation de la fonction cible du dispositif 60 cible. Une zone 75 comporte des codes instructions pour recevoir et traiter les informations saisies sur l'interface 74 et activer la fonction cible du dispositif 60 cible en conséquence d'une validation par l'utilisateur de cette saisie. Une zone 76 comporte des codes instructions pour émettre une signalisation de détection à l'organe 50 de discrimination, lorsque le procédé de discrimination n'est pas exécuté par le calculateur 66.The target program memory 70 is divided into several areas, each area corresponding to a function or mode of operation of the target device's target function activation program. A zone 75 includes instruction codes for receiving and processing the information entered on the interface 74 and activating the target function of the target device 60 as a result of user validation of that input. A zone 76 comprises instruction codes for sending a detection signaling to the discriminating member 50, when the discrimination method is not executed by the computer 66.

Dans une variante, lorsque l'organe de discrimination est le calculateur 66 du dispositif cible alors ledit calculateur comporte en outre une mémoire 71 de programme de discrimination représentée en pointillée. La représentation des mémoires dans la figure 3 n'est qu'une illustration d'implantation de composants et d'enregistrement de données. Dans la pratique ces mémoires sont unifiées ou distribuées selon des contraintes de taille de la base de données et/ou de rapidité des traitements souhaités.In a variant, when the discrimination member is the calculator 66 of the target device then said calculator further comprises a memory 71 discrimination program shown in dashed lines. The representation of the memories in the figure 3 is just an illustration of component implementation and data logging. In practice, these memories are unified or distributed according to size constraints of the database and / or speed of the desired processing.

La mémoire 71 de programme de discrimination est divisée en plusieurs zones, chaque zone correspondant à une fonction ou à un mode de fonctionnement du programme du calculateur 66.The discrimination program memory 71 is divided into several zones, each zone corresponding to a function or an operating mode of the computer program 66.

Une zone 77 comporte des codes instructions pour traiter et analyser les caractéristiques d'un tir laser détecté par le détecteur 63. Une zone 78 comporte des codes instructions pour mesurer une date d'impact (ti) du tir sur le dispositif cible et calculer une distance réelle correspondant à cette date d'impact. Une zone 79 comporte des codes instructions pour déterminer les valeurs de critères de discrimination dont leur nature a été préalablement définie. Une zone 80 comporte des codes instructions pour déclencher une fenêtre d'écoute de signalisations dont la durée est préalablement définie.A zone 77 comprises instruction codes for processing and analyzing the characteristics of a laser shot detected by the detector 63. An area 78 includes instruction codes for measuring an impact date (ti) of the shot on the target device and calculating a actual distance corresponding to that impact date. A field 79 comprises instruction codes for determining the values of discrimination criteria of which their nature has been previously defined. An area 80 includes instruction codes for triggering a signal listener window whose duration is previously defined.

Une zone 81 comporte des codes instructions pour élaborer et transmettre une signalisation de détection de tirs laser à destination d'autres dispositifs cibles. Une zone 82 comporte des codes instructions pour appliquer une opération de discrimination aux signalisations reçues et à la signalisation élaborée, selon au moins un critère de discrimination. Une zone 83 comporte des codes instructions pour déterminer en fonction du résultat de l'opération de discrimination le caractère touché ou non du dispositif cible ayant élaboré la signalisation. Une zone 84 comporte des codes instructions pour déterminer le caractère détruit ou non du dispositif cible ayant eu le caractère touché en fonction de critères de vulnérabilité enregistrés dans la mémoire de données. Une zone 85 comporte des codes instructions pour actionner l'alarme 65, lorsque le dispositif cible a un caractère détruit.An area 81 includes instruction codes for developing and transmitting laser firing detection signaling to other target devices. A zone 82 includes instruction codes for applying a discriminating operation to the received signaling and the signaling developed, according to at least one discrimination criterion. A zone 83 comprises instruction codes for determining, as a function of the result of the discrimination operation, whether or not the target device having developed the signaling has been affected. A field 84 includes instruction codes for determining whether or not the target device that has been affected has been destroyed in accordance with vulnerability criteria stored in the data memory. An area 85 includes instruction codes for actuating the alarm 65, when the target device has a destroyed character.

La figure 4 montre une illustration de moyens mettant en oeuvre le procédé de l'invention. Lorsque l'organe de discrimination est l'ordinateur central de gestion de la simulation alors le microprocesseur 52 exécute les étapes du bloc 200. Lorsque l'organe de discrimination est le calculateur 66 des dispositifs cibles alors les microprocesseurs 69 de chaque dispositif cible dont le détecteur 63 a détecté un tir laser exécute les étapes des blocs 100 et 200The figure 4 shows an illustration of means implementing the method of the invention. When the discrimination member is the simulation management central computer then the microprocessor 52 executes the steps of the block 200. When the discriminator is the target device calculator 66 then the microprocessors 69 of each target device whose detector 63 has detected a laser shot executes the steps of blocks 100 and 200

Le bloc 100 montre une étape 101 préliminaire dans laquelle le dispositif 60 cible est en mode veille. Lorsque le dispositif 60 cible est dans cet état de veille, la fonction cible est activée et les éventuels messages reçus de la part du module radio 61 ne sont pas pris en compte. Le dispositif 60 cible ne sortira de cet état de veille que lorsque le détecteur 63 aura détecté un tir laser.Block 100 shows a preliminary step 101 in which the target device 60 is in standby mode. When the target device 60 is in this standby state, the target function is activated and any messages received from the radio module 61 are not taken into account. The device 60 target will not come out of this standby state until the detector 63 has detected a laser shot.

A une étape 102 suivante, le détecteur 63 détecte un tir laser et le transmet via la voie de transmission 67 au calculateur 66. Le calculateur 66 analyse les caractéristiques contenues dans le tir laser. Les caractéristiques du tir laser sont enregistrées sous une forme de table où chaque ligne de la table correspond à un type de tirs, chaque colonne de la table correspond à un renseignement sur ce tir.At a next step 102, the detector 63 detects a laser shot and transmits it via the transmission path 67 to the computer 66. The computer 66 analyzes the characteristics contained in the laser shot. The characteristics of the laser shot are recorded in a table form where each line of the table corresponds to a type of shot, each column of the table corresponds to information on this shot.

Le tableau 1 montre un exemple de table de la mémoire 22 de données où sont enregistrées les données du tir laser. Tableau 1 Type de tirs Heure / date Type de munitions Instructions Ecarts Distance D Identité du tireur Tir arbitre Arbitre Mesure distance D Tireur Simulation tir Tireur Table 1 shows an example of a table of the data memory 22 where laser firing data are recorded. Table 1 Type of shots Time / date Type of ammunition Instructions Goodwill Distance D Identity of the shooter Referee Arbitrator Measure distance D Shooter Simulation shot Shooter

A l'étape 102, le calculateur 66 compare l'identité du tireur contenue dans le tir laser à une identité d'un arbitre enregistré dans la mémoire de données. L'arbitre, peut être le gérant du réseau ou de la simulation de l'entrainement. Si le tir laser est un tir émis par un simulateur de tirs d'un arbitre de la simulation, alors le calculateur 66 traite et exécute à l'étape 102 les instructions contenues dans le tir laser.In step 102, the computer 66 compares the identity of the shooter contained in the laser shot at an identity of an arbitrator stored in the data memory. The referee, can be the manager of the network or the simulation of the training. If the laser shot is a shot from a simulator's shooting simulator, then the computer 66 processes and executes at step 102 the instructions contained in the laser shot.

Sinon, le calculateur 66 détermine si le tir est un tir de mesure de la distance D ou une simulation de tirs réels. Si le tir laser est un tir de mesure de distance D alors le calculateur 66 retourne en état de veille à l'étape 101.Otherwise, the computer 66 determines whether the shot is a measurement shot of the distance D or a simulation of real shots. If the laser shot is a measurement shot distance D then the computer 66 returns to standby state in step 101.

Si le tir laser est une simulation d'un tir réel, le calculateur exécute une étape 103. A l'étape 103, le calculateur 66 vérifie si l'acteur de combat est uniquement pris à partie par le tir. Pour ce faire, le calculateur 66 compare l'écart entre la distance D mesurée contenue dans le tir laser et une distance réelle correspondant à la date d'impact (ti) du tir sur l'acteur au combat portant ledit dispositif cible. Si l'écart est supérieur à un seuil de prise à partie préalablement défini, alors le calculateur 66 retourne en état de veille à l'étape 101. Lorsque les dispositifs 60 cibles sont montés sur des véhicules terrestres, ce seuil de prise à partie peut être sensiblement égal à la largeur desdits véhicules, par exemple 4 mètres.If the laser shot is a simulation of a real shot, the computer performs a step 103. In step 103, the computer 66 checks whether the combat actor is only shot at by the shot. To do this, the computer 66 compares the difference between the measured distance D contained in the laser shot and a real distance corresponding to the impact date (ti) of the shot on the actor in combat carrying said target device. If the deviation is greater than a pre-defined set point threshold, then the computer 66 returns to standby state at step 101. When the target devices are mounted on land vehicles, this set threshold may be substantially equal to the width of said vehicles, for example 4 meters.

Si par contre l'écart est inférieur au seuil de prise à partie, le calculateur 66 exécute des étapes 104 à 109 du bloc 100 et les étapes 201 à 204 du bloc 200 du procédé de discrimination de l'invention.If, on the other hand, the difference is less than the set point, the computer 66 executes steps 104 to 109 of block 100 and steps 201 to 204 of block 200 of the discrimination method of the invention.

L'application de l'étape 103 à l'exemple de la simulation d'entraînement de la figure 1 donne les résultats suivant :

  • l'hélicoptère 15 et l'acteur 16 pédestre sont uniquement pris à partie car l'écart entre leur distance réelle et la distance D est largement supérieur à un seuil de prise à partie, qui est par exemple quasi égale à la taille de l'acteur 12 pédestre.
  • le procédé de discrimination de l'invention est appliqué aux signalisations émis par les acteurs 12 et 17 pédestres pour déterminer lequel est touché par ce tir.
The application of step 103 to the example of the training simulation of the figure 1 gives the following results:
  • the helicopter 15 and the pedestrian actor 16 are only set apart because the difference between their actual distance and the distance D is much greater than a set threshold, which is for example almost equal to the size of the actor 12 pedestrian.
  • the discrimination method of the invention is applied to the signals issued by actors 12 and 17 pedestrians to determine which is affected by this shot.

A une étape 104 suivante, chaque calculateur 66 élabore et émet une signalisation de détection de tirs laser à destination d'autres dispositifs cibles via son moyen 61 de transmission. La taille de la signalisation dépend du type d'informations à transmettre aux autres dispositifs cibles, de la rapidité de transmission souhaitée ainsi que du nombre de dispositifs cibles à prendre en compte lors de l'application de l'opération de discrimination de l'invention.In a next step 104, each computer 66 develops and transmits laser firing detection signaling to other target devices via its transmission means 61. The size of the signaling depends on the type of information to be transmitted to the other target devices, the desired transmission speed and the number of target devices to be taken into account when applying the discrimination operation of the invention. .

Dans un exemple, la taille de la signalisation peut comporter uniquement des informations concernant le dispositif cible correspondant, dans ce cas la signalisation peut avoir une taille de 16 octets.In one example, the size of the signaling may comprise only information concerning the corresponding target device, in which case the signaling may have a size of 16 bytes.

Dans un mode de réalisation préféré, la signalisation est un message de 29 octets de données. Elle peut être structurée comme suit : Tableau 2 Nombre d'octets Caractéristiques 1 Nature du tir laser 2 Code participant du tireur 1 Type de munition 2 Nombre de tirs 2 Ecart entre distance réelle et distance mesurée 2 Valeurs critères de discrimination 2 Ecart site/azimut 1 Nombre de dispositifs cibles dans le groupe 2 Code participant cible 1 2 Valeurs critères de discrimination cible 1 2 Code participant cible 2 2 Valeurs critères de discrimination cible 2 2 Code participant cible 3 2 Valeurs critères de discrimination cible 3 2 Code participant cible 4 2 Valeurs critères de discrimination cible 4 In a preferred embodiment, the signaling is a message of 29 bytes of data. It can be structured as follows: Table 2 Number of bytes Characteristics 1 Nature of the laser shot 2 Participant code of the shooter 1 Type of ammunition 2 Number of shots 2 Difference between actual distance and measured distance 2 Values criteria of discrimination 2 Site / azimuth deviation 1 Number of target devices in the group 2 Target participant code 1 2 Target discrimination criteria 1 2 Target participant code 2 2 Target discrimination criteria 2 2 Target participant code 3 2 Target discrimination criteria 3 2 Target participant code 4 2 Target discrimination criteria 4

Le calculateur 66 déclenche, à une étape 105 suivante, une fenêtre d'écoute de signalisations reçues en réponse à la signalisation élaborée. Pour ce faire il lance un compteur à rebours, dont la durée est quasi égale à la durée du tir laser, de l'ordre de quelques centaines de millisecondes, temps pendant lequel il écoute les ondes pour s'assurer qu'aucun autre détecteur de dispositif cible n'a détecté le même tir laser. Le calculateur 66 finalise la discrimination à l'issue de cette fenêtre d'écoute en appliquant aux signalisations reçues et à celle élaborée l'opération de discrimination de l'invention des étapes du bloc 200. L'issue de la fenêtre d'écoute peut être obtenue soit lorsque le compteur à rebours arrive à zéro soit déclenchée manuellement par un utilisateur.The computer 66 triggers, in a next step 105, a signal listener window received in response to the signaling developed. To do this, he runs a countdown counter, the duration of which is almost equal to the duration of the laser shot, of the order of a few hundred milliseconds, during which time he listens to the waves to make sure that no other detector target device did not detect the same laser shot. The calculator 66 finalizes the discrimination at the end of this listening window by applying to the signals received and to that elaborated the discrimination operation of the invention of the steps of the block 200. The outcome of the listening window can be obtained either when the countdown timer reaches zero or is triggered manually by a user.

Les étapes 106 à 109 sont exécutées par le calculateur 66 à chaque fois qu'il reçoit une signalisation en réponse à sa signalisation élaborée, lors de la fenêtre d'écoute.Steps 106 to 109 are executed by the computer 66 each time it receives a signaling in response to its elaborate signaling, during the listening window.

A une étape 106, le calculateur 66 analyse une signalisation reçue en réponse à sa signalisation élaborée. Cette signalisation reçue peut comporter les mêmes types de caractéristiques que ceux de la signalisation élaborée.At a step 106, the computer 66 analyzes a signaling received in response to its elaborate signaling. This received signaling may comprise the same types of characteristics as those of the elaborate signaling.

A une étape 107, le calculateur 66 compare les caractéristiques de sa signalisation élaborée à celles de la signalisation reçue. Si les caractéristiques de la signalisation reçue sont différentes de celle de la signalisation élaborée, le calculateur 66 écarte la signalisation reçue de la discrimination. Cette signalisation reçue est par exemple supprimée de la mémoire du calculateur 66. Si les caractéristiques de la signalisation reçue sont identiques à celles de la signalisation élaborée, le calculateur enregistre ladite signalisation reçue à l'étape 109 dans la mémoire de données si elle n'est pas déjà enregistrée, à l'étape 108.At a step 107, the computer 66 compares the characteristics of its signaling elaborated with those of the signaling received. If the characteristics of the received signaling are different from that of the elaborated signaling, the computer 66 rejects the signaling received from the discrimination. This received signaling is for example removed from the memory of the computer 66. If the characteristics of the signaling received are identical to those of the signaling elaborated, the computer stores said signaling received in step 109 in the data memory if it does not. is not already registered, at step 108.

A l'étape 201, lorsque l'organe de discrimination est le calculateur 66, ce dernier applique aux signalisations reçues et à la signalisation élaborée l'opération de discrimination de l'invention. Les étapes du bloc 200 permettent au calculateur 66 de déterminer, à partir des signalisations reçues et enregistrées, si le tir laser détecté lui était destiné ou pas en fonction de valeurs de critères de discrimination. Cette détermination est faîte au moyen d'une opération de discrimination qui est une combinaison qui peut être une somme, un maximum, une comparaison ou un opérateur logique.In step 201, when the discrimination member is the computer 66, the latter applies to the signaling received and the signaling developed the discriminating operation of the invention. The steps of the block 200 allow the computer 66 to determine, from the signals received and recorded, whether the detected laser shot was intended for him or not according to values of discrimination criteria. This determination is made by means of a discriminating operation which is a combination which can be a sum, a maximum, a comparison or a logical operator.

Lorsque l'organe de discrimination est l'ordinateur central, ce dernier applique aux signalisations reçues l'opération de discrimination de l'invention. En fonction du résultat de cette opération, il privilégie de préférence une signalisation parmi celles reçues.When the discrimination member is the central computer, the latter applies the discrimination operation of the invention to the signals received. Depending on the result of this operation, it preferably prefers a signaling among those received.

A l'étape 202, l'organe de discrimination applique l'opération de discrimination aux valeurs de critères de discriminations contenues dans les signalisations. Le critère de discrimination peut être la puissance du tir laser détectée par le dispositif cible. Dans ce cas, l'opération de discrimination peut être un maximum. Plus la puissance détectée est forte plus le dispositif cible correspondant est privilégié comme étant la cible.In step 202, the discrimination member applies the discrimination operation to the values of discrimination criteria contained in the signaling. The discrimination criterion can be the power of the laser shot detected by the target device. In this case, the discrimination operation can be a maximum. The higher the detected power, the more the target device is privileged as the target.

Le critère de discrimination peut être également basé sur l'écart entre la distance mesurée D transmise par le tir laser et la distance réelle calculée par l'organe de discrimination. Dans ce cas, l'opération de discrimination peut être un minimum. Plus l'écart est faible plus le dispositif cible correspondant est privilégié comme étant la cible.The discrimination criterion may also be based on the difference between the measured distance D transmitted by the laser shot and the actual distance calculated by the discrimination member. In this case, the discrimination operation may be a minimum. The smaller the gap, the more the target device is privileged as the target.

Dans un mode de réalisation préféré, le critère de discrimination est basé sur l'écart entre un point d'impact du tir laser sur l'acteur de combat et un point critique de vulnérabilité dudit acteur au combat préalablement défini. Dans ce cas, l'opération de discrimination peut être un minimum. Plus l'écart est faible plus le dispositif cible correspondant est privilégié comme étant la cible.In a preferred embodiment, the discrimination criterion is based on the difference between an impact point of the laser shot at the combat actor and a critical point of vulnerability of said actor to the combat previously defined. In this case, the discrimination operation may be a minimum. The smaller the gap, the more the target device is privileged as the target.

Dans une variante, les critères de discriminations ci-dessus cités peuvent être combinés permettant ainsi d'affiner l'identification de la cible qui doit être considérée comme touché.In one variant, the discrimination criteria mentioned above may be combined, thus making it possible to refine the identification of the target that must be considered as affected.

Les critères de discrimination ne se limitent pas à ceux cités, d'autres critères de discriminations peuvent êtres utilisés.The criteria of discrimination are not limited to those cited, other criteria of discrimination may be used.

Par exemple, lorsque l'écart entre le point d'impact du tir laser et le point critique de vulnérabilité d'une des signalisations émises par un dispositif cible est supérieur à au moins un de ceux des autres signalisations, l'organe de discrimination considère ledit dispositif 60 cible comme n'étant pas touché par le tir.For example, when the difference between the point of impact of the laser shot and the critical point of vulnerability of one of the signals transmitted by a target device is greater than at least one of those of the other signals, the discrimination member considers said target device 60 not to be hit by the shot.

Lorsque, l'écart entre le point d'impact du tir laser et le point critique de vulnérabilité d'une des signalisations émises par un dispositif cible est égal à l'écart le plus faible des autres signalisations, l'organe de discrimination peut affiner le résultat de l'opération de discrimination en utilisant d'autres critères de discrimination tel que la puissance de détection du tir laser.When, the difference between the point of impact of the laser firing and the critical point of vulnerability of one of the signals emitted by a target device is equal to the smallest deviation of the other indications, the discriminator can refine the result of the discriminating operation using other discrimination criteria such as the laser firing detection power.

Lorsque, l'écart entre le point d'impact du tir laser et le point critique de vulnérabilité d'une des signalisations émises par un dispositif cible est inférieurs aux autres écarts des autres signalisations, l'organe de discrimination considère ledit dispositif 60 cible comme étant celui touché par le tir.When, the difference between the point of impact of the laser firing and the critical point of vulnerability of one of the signalings issued by a target device is lower than the other differences of the other indications, the discrimination member considers said target device 60 as being the one hit by the shot.

Le calculateur 66 peut éventuellement transmettre un message comportant le résultat de la discrimination au circuit 13 de commande du simulateur de tirs et/ou à l'ordinateur central et/ou aux autres dispositifs cibles ayant émis les signalisations reçues.The computer 66 may optionally transmit a message comprising the result of the discrimination to the control circuit 13 of the firing simulator and / or to the central computer and / or to the other target devices having emitted the received signalings.

A l'étape 203, l'organe de discrimination détermine les conséquences du tir laser sur l'acteur au combat du dispositif cible sélectionné à l'étape 202. Pour ce faire, il calcule le caractère détruit du dispositif cible ayant eu le caractère touché en fonction de critères de vulnérabilité préalablement déterminés. Les critères de vulnérabilité peuvent être notamment la zone d'impact du tir laser, le nombre de tirs et/ou encore les fonctions vitales.In step 203, the discriminator determines the consequences of the laser firing on the actor in combat of the target device selected in step 202. To do this, it calculates the destroyed character of the target device having the hit character. according to previously determined vulnerability criteria. Vulnerability criteria may include the area of impact of the laser shot, the number of shots and / or the vital functions.

Dans une variante, le caractère détruit de l'acteur au combat peut être obtenu via une matrice de pourcentage de destruction apte à convertir un tir laser en une valeur d'endommagement. La matrice de pourcentage de destruction est obtenue par des résultats de simulation ou par des résultats expérimentaux via des critères de vulnérabilité. Elle est spécifique à chaque type d'acteur au combat.In a variant, the destroyed character of the actor in combat can be obtained via a destruction percentage matrix able to convert a laser shot into a damage value. The destruction percentage matrix is obtained by simulation results or by experimental results via vulnerability criteria. It is specific to each type of actor in combat.

Après avoir extraite la valeur d'endommagement, l'organe de discrimination calcule le pourcentage de vie consommée de l'acteur au combat. Pour ce faire, il additionne cette valeur d'endommagement à celles déjà enregistrées. Si le résultat de l'addition est inférieur à 100%, l'acteur au combat est simplement considéré comme touché sinon, il est considéré comme détruit.After extracting the value of damage, the discriminator calculates the percentage of life consumed by the actor in combat. To do this, it adds this damage value to those already recorded. If the result of the addition is less than 100%, the actor in combat is simply considered as hit otherwise he is considered destroyed.

Lorsque l'organe de discrimination considère comme détruit un acteur au combat, alors il émet, à l'étape 204, un signal d'activation à l'alarme 65 du dispositif cible correspondant.When the discriminating body considers as destroyed an actor in combat, then it emits, in step 204, an alarm activation signal 65 of the corresponding target device.

L'opération de discrimination de l'invention répond ainsi à la nécessité de reproduction des scénarios opérationnels de combat tels qu'ils se déroulent dans la réalité.The discrimination operation of the invention thus meets the need to reproduce operational combat scenarios as they occur in reality.

Claims (15)

Procédé de simulation de tirs avec une arme (14) de simulation en direction d'un dispositif (60) cible parmi plusieurs, dans lequel, - on pointe l'arme de simulation en direction d'un dispositif cible, - on effectue un tir avec l'arme de simulation, ce tir comportant une émission d'un rayonnement laser, - le dispositif cible, muni d'un détecteur (63) d'impact de ce rayonnement laser, déclenche un signal de détection (48, 85, 204) représentatif de ce que la cible a détecté le rayonnement, caractérisé en ce que - le dispositif cible qui a détecté le rayonnement émet une signalisation (76) à destination d'un organe (50, 66) de discrimination, - l'organe de discrimination détermine, parmi les dispositifs cibles ayant détecté le rayonnement, celui ou ceux qui doivent être considérés comme ayant été touchés (202, 83, 58) en fonction de leurs signalisations. A method of simulating firing with a weapon (14) for simulation towards one of a plurality of target devices (60), wherein - we point the simulation weapon towards a target device, a firing is carried out with the simulation weapon, this firing comprising a emission of laser radiation, the target device, provided with a detector (63) for impacting this laser radiation, triggers a detection signal (48, 85, 204) representative of what the target has detected the radiation, characterized in that the target device which has detected the radiation transmits a signaling (76) to a discrimination member (50, 66), the discrimination member determines, among the target devices having detected the radiation, which one or those to be considered as having been affected (202, 83, 58) according to their signaling. Procédé selon la revendication 1, caractérisé en ce que - l'organe de discrimination détermine comme détruite (203) un dispositif cible touché en fonction d'un critère de vulnérabilité. Method according to claim 1, characterized in that the discrimination organ determines as destroyed (203) an affected target device according to a vulnerability criterion. Procédé selon l'une des revendications 1 à 2, caractérisé en ce que - on exploite le signal de détection pour actionner dans le dispositif cible une alarme (65). Process according to one of Claims 1 to 2, characterized in that the detection signal is exploited to actuate an alarm (65) in the target device. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que lorsque l'organe de discrimination est porté par le dispositif cible, - un dispositif cible qui a détecté le rayonnement élabore une signalisation (81, 104) de détection du tir laser à destination d'autres dispositifs cibles, - cet organe compare (107) la signalisation élaborée à des signalisations reçues (106) d'autres dispositifs cibles, et - détermine, en fonction des signalisations reçues le caractère touché ou non du dispositif cible qui a élaboré la signalisation. Method according to one of claims 1 to 3, characterized in that when the discriminator is carried by the target device, a target device which has detected the radiation produces a laser firing detection signaling (81, 104) intended for other target devices, this member compares (107) the signaling developed with received signaling (106) of other target devices, and determines, according to the signaling received, the affected or non-affected character of the target device which has developed the signaling. Procédé selon la revendication 4, caractérisé en ce que - on ouvre une fenêtre (105) d'écoute de signalisations reçues en réponse à la signalisation élaborée et émise, - de préférence, les signalisations reçues comportent les mêmes caractéristiques que la signalisation élaborée, et - on finalise la discrimination à l'issue de cette fenêtre, cette finalisation permettant de privilégier au moins un dispositif cible parmi les dispositifs cibles ayant détectés un tir laser en fonction. Method according to claim 4, characterized in that a window (105) for receiving signals received in response to the signaling developed and transmitted is opened, the signals received preferably have the same characteristics as the signaling developed, and the discrimination is finalized at the end of this window, this finalization making it possible to privilege at least one target device among the target devices having detected a laser firing in function. Procédé selon la revendication 5, caractérisé en ce que - la phase d'écoute comporte les étapes suivantes : - pour chaque signalisation reçue, on compare les caractéristiques de chaque signalisation reçue aux caractéristiques de la signalisation élaborée, - si les caractéristiques reçues sont différentes de celles élaborées, on les écarte de la discrimination, - sinon, on mémorise (108, 109) la signalisation reçue, et - on effectue la discrimination, à l'issue de la fenêtre d'écoute sur la base des signalisations mémorisées.et de la signalisation élaborée. Process according to claim 5, characterized in that the listening phase comprises the following steps: for each signal received, the characteristics of each signal received are compared with the characteristics of the signaling developed, - if the characteristics received are different from those developed, they are discarded from discrimination, otherwise, the signaling received is memorized (108, 109), and - Discrimination is carried out at the end of the listening window on the basis of memorized signals and elaborate signaling. Procédé selon l'une des revendications 1 à 6, caractérisé en ce que - on transmet les signalisations à un réseau de communication via un moyen de transmission (61) du dispositif cible. Process according to one of Claims 1 to 6, characterized in that the signals are transmitted to a communication network via a transmission means (61) of the target device. Procédé selon l'une des revendications 1 à 7, caractérisé en ce que en effectuant le tir : - on pointe avec l'arme de simulation le dispositif cible à atteindre, - on simule avec le rayonnement laser, en fonction du temps un balayage en site du tir laser pour représenter un comportement balistique d'une munition dont la trajectoire (T) est censée être simulée par l'arme de simulation, - on mesure la distance (D) entre l'arme de simulation et le dispositif cible et on obtient une distance mesurée, - on crée une relation entre la distance parcourue par la munition et le temps, - on repère dans le temps une date de l'impact (ti) du rayonnement laser sur le dispositif cible par rapport à la date de tir (t0), - et on vérifie que la date d'impact se situe, dans le temps, dans une fenêtre (A0) temporelle calée sur une date correspondant, par l'intermédiaire de la relation, à la distance mesurée. Method according to one of Claims 1 to 7, characterized in that by firing: - we point with the simulation weapon the target device to reach, - Simulating with laser radiation, as a function of time, a scanning laser firing site to represent a ballistic behavior of a munition whose trajectory (T) is supposed to be simulated by the simulation weapon, the distance (D) between the simulation weapon and the target device is measured and a measured distance is obtained, - we create a relationship between the distance traveled by the ammunition and the time, a time of the impact (ti) of the laser radiation on the target device relative to the firing date (t0) is recorded in time, and it is verified that the impact date is, in time, in a temporal window (A0) set to a corresponding date, via the relation, to the measured distance. Procédé selon la revendication 8, caractérisé en ce que en effectuant le tir - on mesure un comportement en déplacement latéral du dispositif cible, - on dépointe (31) l'arme de simulation en fonction du temps en fonction de cette mesure de ce comportement. Process according to Claim 8, characterized in that shooting a behavior in lateral displacement of the target device is measured, the simulation weapon is detuned (31) as a function of time according to this measurement of this behavior. Procédé selon l'une des revendications 8 à 9, caractérisé en ce que - la signalisation comporte des caractéristiques du tir laser détecté, de la nature de la cible et de valeurs de critères de discrimination. - un critère de discrimination est notamment, la puissance du tir laser détectée, un écart entre un point d'impact du tir laser et un point critique de vulnérabilité ou un écart entre la distance mesurée et une distance réelle correspondant à la date de l'impact. Process according to one of Claims 8 to 9, characterized in that the signaling includes characteristics of the detected laser shot, the nature of the target and discrimination criteria values. - a discrimination criterion is, in particular, the power of the laser shot detected, a difference between a point of impact of the laser shot and a critical point of vulnerability or a difference between the distance measured and a real distance corresponding to the date of the impact. Procédé selon l'une des revendications 1 à 10, caractérisé en ce que - on calcule un pourcentage de vie consommée de la cible touchée via une matrice de pourcentage de destruction préalablement définie. Process according to one of Claims 1 to 10, characterized in that a percentage of consumed life of the affected target is calculated via a predefined percentage of destruction matrix. Procédé selon la revendication 11, caractérisé en ce que : - on déclenche le signal de détection lorsque le pourcentage de vie consommée est supérieur ou égale à 100%. Process according to Claim 11, characterized in that : the detection signal is triggered when the percentage of life consumed is greater than or equal to 100%. Procédé selon l'une quelconque des revendications 1 à 12, caractérisé en ce que la communication entre les dispositifs cibles via leur moyen de transmission est établie via un réseau selon une norme publique ou propriétaire et/ou via la création d'un réseau dynamique en bidirectionnel et/ou en mode diffusion.Method according to any one of claims 1 to 12, characterized in that the communication between the target devices via their transmission means is established via a network according to a public or proprietary standard and / or via the creation of a dynamic network in bidirectional and / or in broadcast mode. Dispositif (60) cible comportant : - un détecteur (63) de laser et un réflecteur (64) laser couplés à un calculateur (66), et une alarme (65), caractérisé en ce que - il comporte un organe de discrimination (66) comportant des moyens configurés de sorte à déterminer un caractère touché dudit dispositif en fonction des signalisations des dispositifs cibles ayant détecté un rayonnement laser, selon l'une quelconque des revendications 2 à 13. Target device (60) comprising: a laser detector (63) and a laser reflector (64) coupled to a computer (66) and an alarm (65), characterized in that - It comprises a discrimination member (66) comprising means configured to determine a touch character of said device according to the signaling of the target devices having detected laser radiation, according to any one of claims 2 to 13. Acteur au combat (10, 12, 15, 16, 17) de la simulation d'entrainement sur lequel est installé un dispositif (60) cible selon la revendication 14.A combat actor (10, 12, 15, 16, 17) of the training simulation on which a target device (60) according to claim 14 is installed.
EP09305437A 2008-05-16 2009-05-15 Discrimination method for shooting simulation Active EP2120000B1 (en)

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