EP0694752B1 - Procédé de visualisation de la direction d'observation d'un objet et appareil pour la mise en oeuvre du procédé - Google Patents
Procédé de visualisation de la direction d'observation d'un objet et appareil pour la mise en oeuvre du procédé Download PDFInfo
- Publication number
- EP0694752B1 EP0694752B1 EP95402120A EP95402120A EP0694752B1 EP 0694752 B1 EP0694752 B1 EP 0694752B1 EP 95402120 A EP95402120 A EP 95402120A EP 95402120 A EP95402120 A EP 95402120A EP 0694752 B1 EP0694752 B1 EP 0694752B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- representation
- angle
- objective
- reference position
- site
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41G—WEAPON SIGHTS; AIMING
- F41G3/00—Aiming or laying means
- F41G3/14—Indirect aiming means
Definitions
- Objective designation provides a weapon system with information allowing to point the weapon in the direction of a target, or target.
- a target designation system includes means for detection to monitor a determined volume of space and to detect the direction of any radiation from a target, in order to provide to the weapon system the relative direction information of the objective.
- the invention relates to a method of displaying this direction and to a apparatus for carrying out the method.
- the invention relates to a display method, on a two-dimensional view of the direction observation of an object of a scene observed by a system of designation of objective which determines it, in relation to a position of reference, an azimuth angle and a site angle, process in which transfer the azimuth angle in one direction onto the display means corresponding from a representation of the reference position, characterized by the fact that the elevation angle is reported in the form of a representation of the object in the direction of the azimuth angle and at a distance, from the representation of the reference position, function of the elevation angle.
- the invention also relates to a display device for setting up work of the method of the invention, comprising means of visualization arranged to report, from a representation of a reference position, an azimuth angle of an observed object, characterized by the fact that it includes calculation means arranged to determine, depending on a value for the site angle of the object, a distance between a representation of the object and the representation of the position of reference and to order accordingly the means of visualization.
- a target designation system 1 is associated with a weapon system 11, here of anti-aircraft defense, having surface-to-air missiles and deported compared to the objective designation system 1.
- the two systems 1, 11 are connected by a data link 20.
- the positions of the two systems 1, 11 are known and their position relative is stored in a memory 13 belonging to a computer 12 connected to link 20 and located, in this example, in the weapon system 11.
- the objective designation system 1 comprises a passive detector 2, here infrared, which is in this example driven by a device for scan 3 around a vertical axis to monitor, in all azimuth directions, a volume of space surrounding the system 1 of objective designation. This volume is here limited to a range of angles of six degree site.
- the detection signal at the output of detector 2, associated with a signal representative of the corresponding angular position of the scanning device 3, are supplied to a computer 4 which determines the direction 10 of a detected objective 31, here an airplane, expressed in elevation angle and azimuth angle, relative to a reference linked to the objective designation system 1.
- the right direction 10 of objective 31 corresponds, within the limit of the range 32 of the detector 2, to a set of possible positions of objective 31.
- a digital signal 5 of data representative of the direction 10 of the objective 31 is emitted on the link 20 by the computer 4 at destination of the computer 12 of the weapon system 11.
- the computer 12 determines then by triangulation, by means of the relative position memorized in memory 13, a set of possible positions of objective 31, (segment 33, between detector 2 and point 32), in a reference linked to the weapon system 11 and calculates corresponding firing directions going through these possible positions 33 and the weapon system 11, and the weapon system 11 scans these firing directions (30, 30A) under the control of computer 12.
- the latter could also have been arranged in the lens designation system 1 and control scanning at through link 20.
- the weapon system 11 proceeds to scanning in a plane containing the direction of objective 10.
- the weapon system 11 has, as here, missiles
- it can be expected to be launched in one of the firing directions and that a missile self-director scans to acquire the image of the lens.
- the shooting can also be carried out after acquisition of goal 31 by the self-director.
- the triangle formed by the detector 2 the system weapon 11 and objective 31 is then defined and weapon system 11 can determine its distance to objective 31 in order to compare it with its range of fire and provide a corresponding indication to a system operator.
- the weapon system has no detector, it suitable as it fires ammunition in all directions firing possibilities indicated above.
- the objective designation system 1 comprises a console 6 of display associated with a computer 7 receiving, from the computer 4, the digital signal 5 of the site angle and azimuth of the objective 31.
- the computer 7 converts digital signal 5 to analog signal video symbolically representing objective 31. It can be expected that this symbolic representation depends on the values of the angles azimuth and site.
- the video signal is applied to a 7V circuit of video command to be inserted into a video signal scanning a whole screen 8 of the console 6.
- the computer 7 also supplies circuit 7V with controls for positioning the image 41 of the lens 31 on the screen 8, which are a function of the values 5 of the azimuth and elevation angles.
- the objective designation system 1 is shown at the central point of screen 8 and a crown 9 centered on this point is planned to receive the symbolic representation 41 of objective 31.
- a deflector circuit of circuit 7V is controlled from the commands of positioning of the computer 7, that is to say as a function of the angles azimuth and site, to deflect the scanning beam from the screen 8 in such a way that the symbolic representation 41 is carried, by relative to the center of screen 8, in the direction of azimuth detected and that this symbolic representation 41 is more or less close to the edge internal of crown 9 depending on whether the angle of elevation detected is more or less close to the lower value of its detection range.
- Objectives whose distance to objective designation system 1 is known approximately are also identified in polar coordinates (distance, azimuth) in the circle surrounded by the crown 9, on which are reported, around position 40 of the designation system 1 objective, the positions of several weapon systems, here four, the area covered 44-47 by each of these, as well as the only points landscape features.
- the objective designation system can determine, by successive measurements, a speed and an acceleration of the objective 31, the system operator can choose to activate the defense missile on better placed to intercept objective 31.
- the estimated trajectory 42 followed by this one and its estimated velocity vector 43 are also represented associated with its image 41.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Radar Systems Or Details Thereof (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Feedback Control In General (AREA)
- Amplifiers (AREA)
Description
Claims (6)
- Procédé de visualisation, sur un moyen de visualisation à deux dimensions (6), de la direction d'observation d'un objet (31) d'une scène observée par un système de désignation d'objectif (1) qui en détermine, par rapport à une position de référence, un angle d'azimut et un angle de site, procédé dans lequel on reporte sur le moyen de visualisation (6) l'angle d'azimut selon une direction correspondante à partir d'une représentation de la position de référence, caractérisé par le fait qu'on reporte l'angle de site sous la forme d'une représentation de l'objet (31) selon la direction de l'angle d'azimut et à une distance, depuis la représentation de la position de référence, fonction de l'angle de site.
- Procédé selon la revendication 1, dans lequel, ayant déterminé la distance entre la position de référence et l'objet (31), on reporte ladite distance, selon la direction d'azimut, dans une zone de visualisation limitée par un bandeau (9) réservé à la représentation des angles de site.
- Procédé selon l'une des revendications 1 et 2, dans lequel on estime la vitesse de l'objet (31) et on associe à sa représentation un vecteur vitesse correspondant.
- Procédé selon l'une des revendications 1 à 3, dans lequel on détermine la trajectoire de l'objet (31) et on la visualise.
- Procédé selon l'une des revendications 1 à 4, dans lequel on visualise la position du système de désignation d'objectif (1), la position d'au moins un système d'arme (11) et de sa zone d'action et éventuellement des points caractéristiques du paysage.
- Appareil de visualisation pour la mise en oeuvre du procédé de la revendication 1, comportant des moyens de visualisation (6, 8) agencés pour reporter, à partir d'une représentation d'une position de référence, un angle d'azimut d'un objet observé (31), caractérisé par le fait qu'il comporte des moyens de calcul (7) agencés pour déterminer, en fonction d'une valeur d'angle de site de l'objet (31), une distance entre une représentation (41) de l'objet (31) et la représentation de la position de référence et pour commander en conséquence les moyens de visualisation (6, 8).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9312560A FR2711781B1 (fr) | 1993-10-21 | 1993-10-21 | Procédé d'exploitation d'un système d'arme déporté par rapport à un système de désignation d'objectif et ensemble de ces systèmes pour mettre en Óoeuvre le procédé. |
FR9312560 | 1993-10-21 | ||
EP94402147A EP0650026B1 (fr) | 1993-10-21 | 1994-09-27 | Procédé d'exploitation d'un système d'arme déporté par rapport à un système de désignation d'objectif et ensemble de ces systèmes pour mettre en oeuvre le procédé |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94402147.6 Division | 1994-09-27 | ||
EP94402147A Division EP0650026B1 (fr) | 1993-10-21 | 1994-09-27 | Procédé d'exploitation d'un système d'arme déporté par rapport à un système de désignation d'objectif et ensemble de ces systèmes pour mettre en oeuvre le procédé |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0694752A2 EP0694752A2 (fr) | 1996-01-31 |
EP0694752A3 EP0694752A3 (fr) | 1996-02-14 |
EP0694752B1 true EP0694752B1 (fr) | 1999-07-07 |
Family
ID=9452079
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94402147A Expired - Lifetime EP0650026B1 (fr) | 1993-10-21 | 1994-09-27 | Procédé d'exploitation d'un système d'arme déporté par rapport à un système de désignation d'objectif et ensemble de ces systèmes pour mettre en oeuvre le procédé |
EP95402120A Expired - Lifetime EP0694752B1 (fr) | 1993-10-21 | 1994-09-27 | Procédé de visualisation de la direction d'observation d'un objet et appareil pour la mise en oeuvre du procédé |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94402147A Expired - Lifetime EP0650026B1 (fr) | 1993-10-21 | 1994-09-27 | Procédé d'exploitation d'un système d'arme déporté par rapport à un système de désignation d'objectif et ensemble de ces systèmes pour mettre en oeuvre le procédé |
Country Status (4)
Country | Link |
---|---|
EP (2) | EP0650026B1 (fr) |
AT (2) | ATE184394T1 (fr) |
DE (2) | DE69420508D1 (fr) |
FR (1) | FR2711781B1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19716227C2 (de) * | 1997-04-18 | 2000-10-05 | Rheinmetall W & M Gmbh | Waffensystem mit einer einen Mikrocontroller enthaltenden Munitionseinheit |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1336051A (fr) * | 1947-05-29 | 1963-08-30 | Monsieur Le Ministre De L Air | Périscope électronique |
IT1070381B (it) * | 1976-06-01 | 1985-03-29 | Galileo Spa Off | Congegno di puntamento e di calcolo per tiro antiaereo |
SE420766B (sv) * | 1978-01-18 | 1981-10-26 | Bofors Ab | Eldledningsanordning |
FR2542863B1 (fr) * | 1983-03-17 | 1987-02-27 | Sfim | Systeme heliporte de localisation et de determination des parametres de deplacement d'une cible, et procede pour sa mise en oeuvre |
CH665476A5 (en) * | 1985-01-09 | 1988-05-13 | Oerlikon Buehrle Ag | Optical target sight e.g. for anti-aircraft gun - has coupled viewfinders with cross-wire and target direction display respectively |
EP0359950B1 (fr) * | 1988-09-23 | 1994-05-11 | Oerlikon-Contraves AG | Procédé et dispositif de visée pour l'alignement grossier de systèmes d'armes et de conduites de tir |
FR2670037A1 (fr) * | 1990-12-04 | 1992-06-05 | Thomson Csf | Dispositif de designation d'objectif. |
-
1993
- 1993-10-21 FR FR9312560A patent/FR2711781B1/fr not_active Expired - Fee Related
-
1994
- 1994-09-27 DE DE69420508T patent/DE69420508D1/de not_active Expired - Lifetime
- 1994-09-27 AT AT94402147T patent/ATE184394T1/de not_active IP Right Cessation
- 1994-09-27 EP EP94402147A patent/EP0650026B1/fr not_active Expired - Lifetime
- 1994-09-27 EP EP95402120A patent/EP0694752B1/fr not_active Expired - Lifetime
- 1994-09-27 DE DE69510612T patent/DE69510612T2/de not_active Expired - Fee Related
-
1995
- 1995-09-28 AT AT95402120T patent/ATE182003T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2711781A1 (fr) | 1995-05-05 |
EP0650026B1 (fr) | 1999-09-08 |
FR2711781B1 (fr) | 1996-01-12 |
ATE184394T1 (de) | 1999-09-15 |
EP0694752A3 (fr) | 1996-02-14 |
EP0650026A1 (fr) | 1995-04-26 |
DE69420508D1 (de) | 1999-10-14 |
ATE182003T1 (de) | 1999-07-15 |
DE69510612D1 (de) | 1999-08-12 |
DE69510612T2 (de) | 2000-05-04 |
EP0694752A2 (fr) | 1996-01-31 |
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