EP0144890B1 - Procédé et dispositif pour la détermination du point d'impact - Google Patents

Procédé et dispositif pour la détermination du point d'impact Download PDF

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Publication number
EP0144890B1
EP0144890B1 EP19840114297 EP84114297A EP0144890B1 EP 0144890 B1 EP0144890 B1 EP 0144890B1 EP 19840114297 EP19840114297 EP 19840114297 EP 84114297 A EP84114297 A EP 84114297A EP 0144890 B1 EP0144890 B1 EP 0144890B1
Authority
EP
European Patent Office
Prior art keywords
target
image
trajectory
terrain
simulated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP19840114297
Other languages
German (de)
English (en)
Other versions
EP0144890A3 (en
EP0144890A2 (fr
Inventor
Thomas Hohmann
Robert Dr. Stickel
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.)
Honeywell Regelsysteme GmbH
Original Assignee
Honeywell Regelsysteme GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Honeywell Regelsysteme GmbH filed Critical Honeywell Regelsysteme GmbH
Publication of EP0144890A2 publication Critical patent/EP0144890A2/fr
Publication of EP0144890A3 publication Critical patent/EP0144890A3/de
Application granted granted Critical
Publication of EP0144890B1 publication Critical patent/EP0144890B1/fr
Expired legal-status Critical Current

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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
    • F41J5/10—Cinematographic hit-indicating systems
    • 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
    • F41G3/2644—Displaying the trajectory or the impact point of a simulated projectile in the gunner's sight

Definitions

  • the present invention relates to a method for determining meeting points according to the preamble of claim 1 and an apparatus for performing the method.
  • an arrangement for simulated representation of firing trajectories in training devices for the operating personnel of ballistic weapons or missiles in which the firing trajectory is based on directional signals set by the operator as well as on stored signals which take account of the terrain coordinates and the type of ammunition continuously determined automatically and visually superimposed on the environment observed by the operator through the directional optics with the target located therein.
  • the target is arranged there in a natural environment or in a three-dimensional model environment, and a computer is provided which continuously determines the individual points of the projection of the shooting path onto the view of the directional optics of the operator.
  • a cathode ray tube is connected to the computer, on whose screen, which is immovable relative to the directional optics, the projection of the shot path determined by the computer can be represented.
  • the directional optics are provided with a device by means of which the on-screen representation of the firing path is optically superimposed on the image of the environment seen by the operator.
  • the computer continuously compares the firing trajectory coordinates with the coordinates of the railing sector under the firing trajectory.
  • the coordinates of the targets can be stored in the terrain, and these can also be compared with the firing trajectory coordinates synchronously in order to determine a hit or a shot placement.
  • FIG. 1 shows a block diagram for realizing the known CSI method.
  • the impressions of a terrain, a target, a bullet tracer and a sighting mark, which are normally visible in a visor or a directional optics, are loaded in quick access memories 10, 12, 14 and 16 and are assembled pixel by pixel in the television clock via an image multiplexer 20 controlled by a computer 18 .
  • the composite digital image information is fed via a digital / video converter 22 to a TV monitor 24, on which a composite image is displayed, in particular partial concealment of the targets by terrain parts such as ridges, bushes, houses etc. is possible.
  • the target area of a target Z is approximated by a rectangle R, which is optimally fitted into the target silhouette, as shown in FIG.
  • the target Z approximated by the rectangle R can be covered, for example, by a hill in the background H.
  • only real hits of the target result if the projectile trajectory and thus the tracer trajectory passes through the part of the target Z which lies above the target concealment line ZV predetermined by the background H. Below this line of concealment, target Z is protected by terrain H, and therefore no hit may be displayed.
  • FIG. 4 shows the block diagram according to FIG. 1 in more detail.
  • the computer 18 loads the quick access terrain or background memory 10 with one corresponding to the current viewing direction depending on addresses that are generated via address transmitters (not shown) coupled with a directional handle 26 Image section. This image section can be taken from a mass storage device 42, for example.
  • the target memory 12 is also loaded with a specific target from a target program library 28. For this purpose, the computer can calculate the respective view of the target as a function of the target movement. Furthermore, different types of ammunition can be specified via an ammunition selector switch 30, and accordingly different light traces to be stored in the tracer memory 14 can be calculated by the computer 18.
  • the contents of all memories 10-16 are read out synchronously with the clock of the TV clock generator 40, and the respective information is combined in an OR gate 32 and, after digital / analog conversion, arrives in the digital / analog converter 22 on the TV -Monitor 24 for display.
  • a controller 34 determines for each pixel whether this pixel should be a target or terrain pixel. When deciding on a target pixel, its gray value must first deviate from zero (G z > 0). If this is the case, then further checked by the controller 34 whether the target distance is less than the background distance (Ez ⁇ E H ). If both conditions are met, the controller 34 switches a switch 36 so that a pixel from the target memory 12 is displayed. From this it can be seen that information can be derived from the controller 34 as to whether the pixel currently going through the switch 36 is a target pixel.
  • a signal is provided at the output of the AND gate 38 if and only if bullet tracer pixels and visible target pixels occur simultaneously, which is only the case is when the projectile trajectory and thus the tracer overlap on the screen. If the signal at the output of the AND gate 38 is only evaluated at the point in time in the process computer 18 at which the projectile trajectory has reached the target, it can be ensured that hits are only recognized when the projectile has first reached the target level and secondly, the bullet has touched the visible target area. For all other cases, the signal at the output of the AND gate is missing, so there is no hit display.
  • the method according to the invention and the arrangement for carrying out the method can not only be used with a realistic meeting point display for a tracer.
  • the same problem arises when simulating a laser rangefinder, in which a target distance is only to be displayed if the laser beam hits the target and not the terrain. In this case it can be assumed that the laser beam coincides with the cross with a certain divergence. It is then checked to what extent the visible target parts and the divergence figure of the simulated laser beam overlap, for which purpose the divergence points of the laser beam from a memory 44 are coincident with the target picture elements in an AND gate 46.
  • the position of the coincidence in relation to the target can also be used to determine whether secondary echoes occur and whether these secondary echoes are at a smaller or greater distance than the target echo.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Claims (3)

1. Procédé pour déterminer le point d'impact d'une trajectoire de vol simulée d'un projectile ou d'un faisceau laser simulé sur une cible simulée mobile sur un terrain simulé, et selon lequel le terrain, la cible, un viseur et une trace lumineuse du projectile ou le trajet du faisceau laser sont mémorisés sous forme numérique respectivement selon des points d'image et une image combinée est produite sur un moniteur de télévision dans le champ d'observation du système optique d'une personne devant être formée, et selon lequel un coup au but ou un écho laser est affiché dans le cas de la coïncidence de la trajectoire de vol simulé du projectile ou du faisceau laser avec les points d'image de la cible, caractérisé en ce qu'un coup au but sur la cible n'est affiché que lorsque, dans le cas d'une même distance pour le projectile et la cible, les points d'image de la trace lumineuse coïncident avec les points d'image de la silhouette visible de la cible, ou qu'un écho laser n'est affiché que lorsque des points d'image, qui sont associés à un faisceau laser simulé, coïncident avec les points d'image visibles de la cible.
2. Dispositif pour la mise en oeuvre du procédé selon la revendication 1, comportant des mémoires numériques (10, 12, 14, 16) servant à mémoriser le terrain, la cible, la trace lumineuse et le viseur, et un multiplexeur d'images (20) servant à superposer les contenus des mémoires, caractérisé en ce que le multiplexeur d'images (20) comporte un commutateur (36) qui sélectionne au choix l'image du terrain (H) ou de la cible (Z) lors de l'exploration des mémoires, le commutateur (36) étant actionné par un dispositif de commande (34), qui, dans le cas de la présence d'un cible, compare la distance de la cible et celle du terrain.
3. Dispositif selon la revendication 2, caractérisé par une porte ET (38), qui est branché en amont du dispositif d'affichage des coups au but et à laquelle le contenu de la mémoire (14) des traces lumineuses est envoyé et qui est libéré par le dispositif de commande (34) lorsqu'un point d'image de la cible est représenté simultanément.
EP19840114297 1983-11-29 1984-11-27 Procédé et dispositif pour la détermination du point d'impact Expired EP0144890B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833343081 DE3343081C2 (de) 1983-11-29 1983-11-29 Verfahren und Vorrichtung zur simulierten Darstellung des Auftreffpunktes einer Geschoßbahn oder eines Laserstrahles
DE3343081 1983-11-29

Publications (3)

Publication Number Publication Date
EP0144890A2 EP0144890A2 (fr) 1985-06-19
EP0144890A3 EP0144890A3 (en) 1986-07-02
EP0144890B1 true EP0144890B1 (fr) 1987-10-07

Family

ID=6215517

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19840114297 Expired EP0144890B1 (fr) 1983-11-29 1984-11-27 Procédé et dispositif pour la détermination du point d'impact

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Country Link
EP (1) EP0144890B1 (fr)
DE (1) DE3343081C2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2583866B1 (fr) * 1985-06-21 1989-04-28 Thomson Csf Procede de simulation de cibles, mobiles et masquables dans un paysage, pour l'entrainement au tir, en roulant et dispositif de mise en oeuvre.
CN110412528B (zh) * 2019-08-02 2022-09-13 西安邮电大学 一种炮位侦察校射雷达用弹丸回波模拟装置及模拟方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1951622C3 (de) * 1969-10-14 1974-03-28 Honeywell Gmbh, 6000 Frankfurt Anordnung zur simulierten Darstellung von Schußbahnen
US4232456A (en) * 1977-06-30 1980-11-11 Martin Marietta Corporation Weapons system simulator and method including ranging system
DE3035213C2 (de) * 1980-09-18 1983-11-03 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Verfahren zur Gewinnung und Wiedergabe von Geländebildern für Sichtsimulatoren
DE3122384A1 (de) * 1981-06-05 1982-12-23 Wegmann & Co, 3500 Kassel Geraet mit mehreren ausbildungsplaetzen zur ausbildung von richtschuetzen und/oder kommandanten von kampffahrzeugen
DE3133866C2 (de) * 1981-08-27 1986-02-20 Honeywell Gmbh, 6050 Offenbach Verfahren zur Sichtsimulation

Also Published As

Publication number Publication date
DE3343081A1 (de) 1985-06-05
EP0144890A3 (en) 1986-07-02
EP0144890A2 (fr) 1985-06-19
DE3343081C2 (de) 1986-09-18

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