DE102012213747A1 - Method and target device for determining a probability of a hit of a target object - Google Patents

Abstract

The invention relates to a method for determining a probability of a hit by a target object and to a target device in which the method is used. In the invention, the determined probability is displayed in a target device, the target object being shot at with a weapon. In the method it is provided that the target object is sighted with a target device, that when the target object is sighted, a hit area of the target object is determined, the hit area being hit by a projectile. The method further comprises the following steps: determining at least one first factor which influences a trajectory of the projectile in the direction of the target object, calculating a first hit probability, to what extent the projectile hits the hit area of the target object taking into account the first factor, determining a first graphic representation of the first hit probability in the form of a first area, the first area forming a total area, determining a ratio of the hit area to the total area, calculating the probability of the bullet hitting the hit area of the target object using the ratio, and displaying the probability in the target device.

Description

The invention relates to a method for determining a probability of a hit of a target object and to a target device in which the method is used.

The invention is used in particular in hunting. Typically, a hunter uses a rifle, with the hunter aiming at a target object in the form of a wild animal with a targeting device of the rifle. The target device is, for example, a target lens that is equipped with a crosshair. The hunter aligns the crosshairs of the target lens with the target and thus determines a target area on the target object to be hit by a bullet. In general, the target object is hit when the center of the crosshair has captured the target object. In other words, the center of the crosshair lies in the hit area or the center is superimposed on the hit area.

However, as a rule, the crosshair is not always aligned with the target. This is due, for example, to movements of the hunter. Also, the targeted target moves very often. Furthermore, environmental influences (for example wind) influence the sighting of the target object. Thus, the hunter should always align the crosshairs again on the target area and trigger a shot in a moment in which the target object on the hit area can be hit by a bullet. In this case, the hunter must usually take into account the projectile flight time and a flight curve of the projectile with a certain amount of advance of the rifle.

From the DE 36 05 074 A1 is a target method for sightings of unguided weapons known. In the known method, it is provided that the target angular velocity is simultaneously determined and evaluated during a target tracking for distance measurement. Further, immediately after the distance measurement in the visor, a target mark with the elevation corresponding to the measured distance is displayed with approximately correct lead. This lead is continuously corrected during the further target tracking and the shot readiness is displayed if the lead remains sufficiently constant. The successful destination tracking is displayed in a visor by an ad.

The prior art has the disadvantage that the hunter receives no information about the probability of an impact of the projectile on the target area of the target object. This is desirable because the hunter might decide, depending on the level of the likelihood, whether it really pays to fire a shot.

The invention is therefore based on the object of specifying a method for determining a probability of a hit of a target object and a target device for carrying out this method.

This object is achieved by a method having the features of claim 1. A computer program product for carrying out the method is given by the features of claim 7. A target device according to the invention is given by the features of claim 8. Further features of the invention will become apparent from the following description, the appended claims and / or the accompanying figures.

The method according to the invention serves to determine a probability of a hit of a target object. Furthermore, the method is used to display the determined probability in a target device. The target object is shot at with a weapon. In this case, a weapon is understood in particular to be a rifle or a pistol. The invention is not limited to such weapons. Rather, the term weapon is understood to mean any kind of weapon, in particular a weapon system, for example an aircraft or vehicle equipped with weapons.

In the method according to the invention, it is provided that the target object is aimed at with a target device, for example a target objective. When targeting the target object, a hit area of the target object is determined, with the hit area being hit by a bullet of the weapon.

In the method according to the invention, a determination of at least one first factor is provided which influences a trajectory of the projectile in the direction of the target object. In addition, a first hit probability is calculated to what extent the projectile, taking into account the first factor, hits the target area of the target object. Furthermore, a first graphical representation of the first hit probability is determined in the form of a first area, wherein the first area forms a total area. In addition, a determination of a ratio of the hit area to the total area takes place. By means of this determined ratio, the probability of an impact of the projectile on the hit area of the target object is calculated. The calculated probability is displayed in the target device.

The invention is based on the surprising finding that factors which influence the probability of a hit of the target object can be represented as surfaces. By the Determining the ratio of the area to hit (hit area) to the area describing the hit probability, one or more parameters are determined which reflect the probability of the missile hitting the hit area taking into account at least one of the aforementioned factors. If the hit area is large in comparison to the area which describes the probability of a hit considering the factor, the result is a relatively high probability of a hit. However, if the hit area in relation to the area, which describes the probability of a hit considering the factor, is rather small, the probability of a hit is rather low.

In one embodiment of the method according to the invention, it is additionally or alternatively provided that a second factor is determined which influences the trajectory of the projectile in the direction of the target object. A calculation of a second hit probability is carried out to what extent the projectile, taking into account the second factor, hits the target area of the target object. Furthermore, a second graphical representation of the second hit probability is determined in the form of a second area. The particular first surface and the particular second surface are assembled into the total surface. With this determined total area, the ratio of the hit area to the total area is determined. Further, the likelihood of impact of the projectile on the target area of the target object is calculated by means of the thus determined ratio and displayed in the target device.

In a further embodiment of the method according to the invention, it is additionally or alternatively provided that a third factor is determined which influences the trajectory of the projectile in the direction of the target object. A third probability of a hit is calculated to what extent the projectile, taking into account the third factor, hits the target area of the target object. Furthermore, a third graphical representation of the third hit probability is determined in the form of a third area. The particular first surface, the particular second surface, and the particular third surface are assembled into the total surface. With this determined total area, the ratio of the hit area to the total area is determined. Further, the likelihood of impact of the projectile on the target area of the target object is calculated by means of the thus determined ratio and displayed in the target device.

• – ein Schuss-Streubild als Funktion mindestens eines Umwelteinflusses;
• – eine ballistische Flugbahn des Geschosses;
• – eine Flugzeit des Geschosses;
• – eine Bewegung der Waffe; und
• – eine Bewegung des Zielobjekts.

In one embodiment of the method according to the invention, it is additionally or alternatively provided that at least one of the factors formed from the group formed by the first factor, the second factor and the third factor is determined from the group of the following factors:

• A shot spread pattern as a function of at least one environmental influence;
• - a ballistic trajectory of the projectile;
• - a flight time of the projectile;
• - a movement of the weapon; and
• - a movement of the target object.

In yet another embodiment of the method according to the invention, it is provided that each of the aforementioned factors is taken into account.

In a further exemplary embodiment of the method according to the invention, it is additionally or alternatively provided that the target device has a target surface for sighting the target surface. In the method described so far, the following steps are additionally or alternatively carried out. A first location on the hit area is determined. Furthermore, a second location on the target area is determined. The second location is, for example, the center of a crosshair of the target device. In addition, a distance between the first location and the second location is determined by which the weapon must be moved so that the first location and the second location overlap. A determination is made of a fourth probability of the hit, to what extent the projectile, taking into account the distance, hits the target area of the target object. This is followed by calculating a total probability of impact of the bullet on the hit area by means of the fourth hit probability and by means of the probability of striking the bullet on the hit area calculated with the ratio. The total probability is displayed in the target device.

In yet another embodiment of the inventive method, it is additionally or alternatively provided that a direction is determined in which the weapon must be moved, so that the distance between the first location and the second location is reduced. The direction is displayed, for example, as a direction vector in the destination device. If the distance of the first location and the second location is small, the overall probability increases. Particularly high is the overall probability, if the first place and the second place are superimposed. This is achieved by the movement of the weapon depending on the direction vector.

The invention also relates to a computer program product having a program code that is loadable (or loaded) into a control processor of a target device of a weapon and the when executed in the control processor performs a method having at least one of the above features or a combination of at least two of the above features.

The invention further relates to a target device for a weapon, wherein a target object which is fired at a projectile from the weapon is shown in a display unit after a sighting of the target object with the target device. The target device has at least one control processor with an aforementioned computer program product. Alternatively, it is provided that the control processor is designed such that it carries out a method with at least one of the above-mentioned features or with a combination of at least two of the above-mentioned features.

In one embodiment of the target device according to the invention, it is additionally or alternatively provided that the target device has at least one image digitizing unit for converting the image of the target object acquired by the target device into a digitized image. In addition, it is provided, for example, that the target device comprises at least one input unit for inputting at least one factor from the group of the first factor, the second factor and the third factor. In yet another embodiment of the target device according to the invention, it is additionally or alternatively provided that the target device according to the invention comprises at least one sensor unit for measuring at least one factor from the group of the first factor, the second factor and the third factor.

The invention will be explained in more detail with reference to an embodiment. Show

1 a schematic view of a weapon with a target device;

2 a schematic view of the target device with a crosshair;

3 a flowchart of steps for calculating a hit probability;

4 a schematic representation of a possible composition of the hit probability and their graphical representation;

5 a schematic representation of a possible composition of a total probability of a possible hit with the weapon; such as

6 a schematic representation of a block diagram of the target device.

1 shows a schematic view of a weapon 1 in the form of a pistol, on which a target device 2 is arranged in the form of a target lens. It is explicitly pointed out that the invention is not limited to the form of a pistol shown here. Rather, the invention can be embodied on any type of weapon. For example, the invention can also be designed on a rifle or on a weapon system in the form of an aircraft or vehicle.

With the destination facility 2 A target, such as a wild animal, is targeted by a shooter. This is a crosshair of the target device 2 Aligned to the target object and a target area on the target object determined by a bullet of the weapon 1 to be taken. As a rule, the target object is hit when the center of the crosshair has captured the target object and the midpoint overlies the hit area.

The 2 shows schematic representations of the target device 2 that has a crosshair 3 having. Further, a target object 4 represented, which means the crosshair 3 is targeted. The target object 4 has a hit area 6 on that with a missile of the weapon 1 to be taken. Furthermore, the destination device 2 a destination circle 5 whose center is at the center of the crosshair 3 equivalent. The larger the overlap of the hit area 6 with that of the destination circle 6 covered target area 7 is, the greater the overall probability that the bullet of the weapon 1 the hit area 6 actually hits. For the term total likelihood, see below.

2 shows two times of targeting the target 4 , namely a first time A and a second time B. At the first time A overlaps the hit area 6 of the target object 4 the target area 7 of the target circle 5 only to a small extent, for example only under 10%. As a result, the overall probability that the bullet of the weapon 1 on the hit area 6 hits, is quite low. For example, the total probability is about 3%. The destination facility 2 now shows a direction vector 8th which indicates a direction in which the weapon 1 must be moved so the hit area 6 of the target object 4 to a greater extent with the target area 7 of the target circle 5 overlaps.

The illustration at the second time B indicates the state after the weapon 1 according to the direction vector 8th was moved in the first time A, ie in the direction in which the direction vector 8th shows. At the second time B, the hit area overlaps 6 of the target object 4 the target area 7 of the target circle 5 such that the overall probability is quite high. For example, the overall probability is 85%.

The total probability will be in the destination facility 2 displayed. Additionally or alternatively, it is provided in a further embodiment that the target circle 5 colored red at a low overall probability. On the other hand, it is colored green at a high overall probability. Based on the visual representation of the total probability, the shooter can decide whether to fire the weapon 1 actually worth it.

In the following it will be discussed how the overall probability is determined. It will be on the 3 to 5 Referenced.

First, in a step S1, a first factor is determined, which is a trajectory of the projectile in the direction of the target object 4 affected. For example, this is a shot spread image as a function of at least one environmental influence. This is particularly advantageous when using shotgun ammunition. Furthermore, the first factor may be a ballistic trajectory of the projectile, a flying time of the projectile, a movement of the weapon 1 or a movement of the target object 4 be. The first factor is, for example, by means of a weapon 1 arranged sensor unit (not shown) determined. Additionally or alternatively, it is provided that the first factor of the shooter, the weapon 1 shoots, manually via an input unit (not dargstellt) in the target device 2 is entered.

In a further step S2, a calculation now takes place of a first hit probability, to what extent the projectile of the weapon 1 taking into account the first factor the hit area 6 of the target object 4 meets. These are in a control processor (not shown) of the target device 2 Calculation programs ready. These are able to calculate the first hit probability considering the first factor. Subsequent to step S2, in a further step S3, a first graphical representation of the first hit probability is determined in the form of a first area AA. In the in the 4 and 5 illustrated embodiment, the first surface AA is configured circular. However, it is explicitly mentioned that the invention is not limited to a circular area. Rather, any configuration of a surface can be used for the invention, for example, a rectangular or triangular configuration.

If the first factor is the only factor involved in the weapon 1 is to be considered, then the first surface AA forms a total area (step S4). In a step S5, a determination of a ratio of the hit area now ensues 6 to the total area. By means of this determined ratio, in a step S6 the probability of an impact of the projectile on the hit area is determined 6 of the target object 4 calculated. For example, the calculated ratio is the probability. The calculated probability is in the target device 2 displayed in a step S7.

If the first factor is not the only factor involved in delivering a shot with the weapon 1 is to be considered, the steps S1 to S3 are repeated. For example, a second factor is determined, which is a trajectory of the projectile in the direction of the target object 4 affected. A list of possible factors has already been mentioned above. The second factor is, for example, by means of the weapon 1 arranged sensor unit (not shown) detected. Additionally or alternatively, it is provided that the second factor of the shooter, the weapon 1 shoots, manually via the input unit (not dargstellt) in the target device 2 entered (for example, before using the weapon 1 ). There then takes place calculating a second one Hit probability, to what extent the bullet of the weapon 1 taking into account the second factor the hit area 6 of the target object 4 meets. These are in the control processor (not shown) of the target device 2 Calculation programs ready. Subsequently, a second graphical representation of the second hit probability is determined in the form of a second area BB. In the in the 4 and 5 illustrated embodiment, the second surface BB is configured circular. With regard to the possible embodiment of the second surface BB also applies that already mentioned above.

If in addition to the first factor and the second factor yet another factor in firing a shot with the weapon 1 should be considered, the steps S1 to S3 are again repeated. For example, a third factor is determined, which is a trajectory of the projectile in the direction of the target object 4 affected. A list of possible factors has already been mentioned above. Again, the third factor, for example, by means of the weapon 1 arranged sensor unit (not shown) detected. Additionally or alternatively, it is provided that the third factor of the shooter, the weapon 1 shoots, manually via the input unit (not dargstellt) in the target device 2 is entered. It then takes a calculation of a third probability of hit, to what extent the projectile of the weapon 1 taking into account the third factor the hit area 6 of the target object 4 meets. These are in the control processor (not shown) of the target device 2 Calculation programs ready. This is followed by determining a third graphical representation of the third hit probability in the form of a third area CC. In the in the 4 and 5 illustrated embodiment, the third surface CC is designed circular. With regard to the possible embodiment of the third surface CC also applies the aforementioned.

If no other factor is to be considered, the first area AA, the second area BB and the third area CC are combined to the total area (step S4). For example, this is done by the centers of the first surface AA, the second surface BB and the third surface CC coincide (see. 4 ). Subsequently, the steps S5 to S7 are performed. In step S5, a determination of a ratio of the hit area now takes place 6 to the total area. By means of this determined ratio, in step S6 the probability of impact of the projectile on the hit area 6 of the target object 4 calculated. The calculated probability is in the target device 2 displayed in step S7.

4 schematically shows three possible factors that affect the trajectory of a projectile, namely on the one hand the possible scattering circle when using a specific ammunition (first factor), a movement of the weapon 1 (second factor) as well as a movement of the target object 4 (third factor). The first area AA represents the first hit probability. The second area BB represents the second probability of hit. On the other hand, the third area CC represents the third probability of hit. The first surface AA, the second surface BB and the third surface CC are assembled into the total surface.

The invention is based on the surprising finding that factors, in particular the factors already mentioned above, determine the probability of a hit of the target object 4 influence, are represented as surfaces. By determining the ratio of the hit area 6 to the total area which describes the hit probabilities, a parameter is determined which determines the probability of impact of the projectile on the hit area 6 reflecting at least one of the aforementioned factors. Is the hit area 6 in comparison to the total area, the result is a relatively high probability of a hit (cf. 5 ). Is the hit area 6 however, in relation to the total area rather small, results in a rather low probability of a hit (cf. 5 ).

It is obvious that the target area 7 of the target circle 5 to a large extent with the hit area 4 should overlap. To achieve this, the above-mentioned directional vector is used 8th in the destination facility 2 displayed. The direction vector 8th is determined as follows (cf. 5 ). First, a first place O1 on the hit area 6 certainly. Further, a second location O2 becomes on the target area 7 certainly. The second location O2 is, for example, the center of the crosshair 3 , The second location O2 may also correspond to the center of the first area AA, the second area BB and the third area CC. In addition, a distance between the first location O1 and the second location O2 is determined to which the weapon 1 must be moved so that the first place O1 and the second place O2 overlap. There is also a determination of the direction in which the weapon 1 should be moved. A determination is made of a fourth probability of hit, to what extent the projectile, taking into account the distance, the target area 6 of the target object 4 meets. This is followed by calculating the total probability of the impact of the projectile on the hit area 6 by means of the fourth probability of the hit and by means of the probability calculated by the ratio of the impact of the projectile on the hit area 6 , The overall probability is therefore determined by the fourth probability of the hit due to the distance between the two locations and by the ratio calculated above. The total probability as well as the direction vector 8th be in the destination facility 2 displayed (cf. 2 and 5 ).

6 schematically shows the structure of the target device 2 , The destination facility 2 includes an image digitizer 9 , with an image of a targeted target object 4 is digitized. The digitized data of the image is sent to a calculation unit 10 the target device 2 passed, which has a visor presentation unit 11 reproduce the digitized image. The calculation unit 10 It also serves the probability or the total probability as well as the direction vector 8th to calculate. These are then also in the visor presentation unit 11 represented as already explained above. To enter factors to be considered is at the target device 2 an input unit 12 intended. Additionally or alternatively, it is provided that the factor or factors by means of a sensor unit 13 be determined.

LIST OF REFERENCE NUMBERS

1

weapon

2

aimer

3

crosshairs

4

target

5

target circle

6

hit area

7

target area

8th

direction vector

9

Image capture unit

10

calculation unit

11

Visor display unit

12

input unit

13

sensor unit

AA

first surface

BB

second surface

CC

third area

O1

first place

O2

second place

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 3605074 A1 [0004]

Claims (11)

Method for determining a probability of a hit of a target object ( 4 ) and to display the determined probability in a target device ( 2 ), where the target object ( 4 ) with a weapon ( 1 ), in which - the target object ( 4 ) with a target device ( 2 ) and in which - when targeting the target object ( 4 ) a hit area ( 6 ) of the target object ( 4 ), the hit area ( 6 ) is to be hit by a projectile, characterized in that the method comprises the following steps: - determining at least one first factor which determines a trajectory of the projectile in the direction of the target object ( 4 ), to what extent the projectile, taking into account the first factor, determines the target area ( 6 ) of the target object ( 4 ), determining a first graphical representation of the first hit probability in the form of a first area (AA), wherein the first area (AA) forms a total area, - determining a ratio of the hit area ( 4 ) to the total area, - calculating the probability of impact of the projectile on the hit area ( 6 ) of the target object ( 4 ) using the ratio, as well as - displaying the probability in the target device ( 2 ). Method according to Claim 1, characterized in that the method additionally comprises the following steps: determining at least one second factor which determines the trajectory of the projectile in the direction of the target object ( 4 ), to what extent the projectile, taking into account the second factor, determines the target area ( 6 ) of the target object ( 4 ), determining a second graphical representation of the second hit probability in the form of a second area (BB), and - assembling the first area (AA) and the second area (BB) to the total area. Method according to Claim 2, characterized in that the method additionally comprises the following steps: determining at least one third factor which determines the trajectory of the projectile in the direction of the target object ( 4 ), to what extent the projectile, taking into account the third factor, determines the target area ( 6 ) of the target object ( 4 ), determining a third graphical representation of the third hit probability in the form of a third area (CC), and - assembling the first area (AA), the second area (BB) and the third area (CC) to the total area. Method according to claims 1 to 3, characterized in that at least one of the factors formed from the group comprising the first factor, the second factor and the third factor is determined from the group of the following factors: a scattered scattering image as a function of at least one environmental impact; - a ballistic trajectory of the projectile; - a flight time of the projectile; - a movement of the weapon ( 1 ); and a movement of the target object ( 4 ). Method according to one of the preceding claims, characterized in that the target device ( 2 ) for sighting the target area ( 6 ) a target area ( 7 ), the method comprising the following steps: - determining a first location (O1) on the hit area ( 6 ), - determining a second location (O2) on the target area ( 4 ), - determining a distance ( 8th ) between the first location (O1) and the second location (O2) around which the weapon ( 1 ) must be moved so that the first location (O1) and the second location (O2) overlap, - determining a fourth probability of hit, to what extent the projectile taking into account the distance the hit area ( 6 ) of the target object ( 4 ), - calculating a total probability of impact of the projectile on the target area ( 6 ) by means of the fourth hit probability and by means of the ratio of the probability of the impact of the projectile on the hit area ( 6 ) of the target object ( 4 ), and - displaying the total probability in the target facility ( 2 ). A method according to claim 5, characterized in that the method comprises the following steps: - determining a direction ( 8th ), in which the weapon ( 1 ) must be moved so that the distance between the first location (O1) and the second location (O2) is reduced; and - indicating the direction as a direction vector ( 8th ) in the target facility ( 2 ). Computer program product comprising a program code which is incorporated in a control processor ( 10 ) of an objective ( 2 ) of a weapon ( 1 ) is loadable and at the expiration in the Control processor ( 10 ) performs a method according to any one of the preceding claims. Target device ( 2 ) for a weapon ( 1 ), where a target object ( 4 ), with a bullet from the weapon ( 1 ), in a display unit ( 11 ) after sighting the target object ( 4 ) with the target device ( 2 ) Is shown, characterized in that the target means ( 2 ) a control processor ( 10 ) with a computer program product according to claim 7. Target device ( 2 ) According to claim 8, characterized in that the target means ( 2 ) at least one image digitizing unit ( 9 ) for the transformation of the target device ( 2 ) captured image of the target object ( 4 ) in a digitized image. Target device ( 2 ) according to claim 8 or 9, characterized in that the target device ( 2 ) at least one input unit ( 12 ) for inputting at least one factor from the group of the first factor, the second factor and the third factor. Target device ( 2 ) according to one of claims 8 to 10, characterized in that the target device ( 2 ) at least one sensor unit ( 13 ) for measuring at least one factor from the group of the first factor, the second factor and the third factor.

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