CN115930689B - An automatic target reporting system and method based on ejection port detection technology - Google Patents
An automatic target reporting system and method based on ejection port detection technology Download PDFInfo
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Abstract
本发明公开一种基于抛壳口侦测技术的自动报靶系统和方法，自动报靶系统包括靶面信息获取子系统，用于获取靶面信息；子弹发射信息捕捉子系统，子弹发射信息捕捉子系统包括抛壳口侦测模块，所述抛壳口侦测模块用于获取抛出物信息；数据处理子系统，还包括判断模块，所述判断模块用于根据靶面信息和抛出物信息判断射击命中情况，所述射击命中情况包括命中目标靶、命中非目标靶和脱靶；数据处理子系统还包括射击成绩统计模块，所述射击成绩统计模块用于统计命中目标靶和命中非目标靶时的命中环数；数据处理子系统还包括子弹消耗统计模块，所述子弹发射统计模块用于根据抛出物形状判断抛出物是弹壳还是实弹，并根据抛出弹壳的数量获得子弹消耗数量。
The present invention discloses an automatic target reporting system and method based on ejection port detection technology. The automatic target reporting system comprises a target surface information acquisition subsystem for acquiring target surface information; a bullet firing information capture subsystem, the bullet firing information capture subsystem comprises an ejection port detection module, the ejection port detection module is used to acquire ejection information; a data processing subsystem further comprises a judgment module, the judgment module is used to judge the shooting hit situation according to the target surface information and the ejection information, the shooting hit situation comprises hitting the target target, hitting the non-target target and missing the target; the data processing subsystem further comprises a shooting performance statistics module, the shooting performance statistics module is used to count the hit rings when hitting the target target and hitting the non-target target; the data processing subsystem further comprises a bullet consumption statistics module, the bullet firing statistics module is used to judge whether the ejection is a shell or a live bullet according to the shape of the ejection, and obtain the bullet consumption number according to the number of ejected shells.
Description
Technical Field
The invention relates to the technical field of analyzing and processing of firing practice achievements, in particular to an automatic target reporting system and method based on a shell throwing opening detection technology.
Background
Currently, an automatic target reporting system for army ball firing training mainly adopts methods such as shock wave target reporting, grating target reporting, image acquisition and the like to report targets to acquire information such as hit number, hit time, hit sequence and the like of each projectile, but the above methods are only limited to the condition that the projectile normally hits the target (target surface). In practice, the situation that the projectile does not strike the target (target surface) frequently occurs, such as that a new soldier is not well mastered due to the psychological impact or skill of shooting, and a part of the projectile is easy to fly, and when a pistol shooter shoots, a trigger is pulled by a hand to cause the projectile to deviate greatly and get on the spot. Projectiles in which this occurs are statistically approximately 8% to 15%. When this occurs, existing automatic targeting systems default to "shooter not shooting" because the "signal" is not captured, which results in a missing report and must result in a complete misplacement of the hit order of the subsequent projectile. In addition, the occurrence of mistargeting and mistargeting by the shooter is also caused by tension, if more than two shooters shoot on the same target, the existing automatic target reporting system can not distinguish and distinguish, so that mixed report is generated, and the target reporting information of other shooters (normal shooters) without mistargeting is seriously affected. Under the condition of no distinguishing and distinguishing, when the achievement of a normal shooter is counted, the current practice is to calculate the actual shooting firing number with a higher number of rings on a target. This obviously has a large deviation from the actual hit (or miss) information, affecting the firing practice benefit. Meanwhile, the conditions of no report of off-target, misplacement of order, no division of wrong typing and the like affect the accuracy of target reporting information, and the real shooting condition and ammunition consumption condition are difficult to trace, so that the safety control of training ammunition is affected.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides an automatic target reporting system and method based on a shell opening detection technology, which are used for solving at least one of the technical problems.
According to an aspect of the present invention, there is provided an automatic target reporting system based on a shell opening detection technique, including:
The target surface information acquisition subsystem is used for acquiring target surface information, and the target surface information comprises hit time and hit number of each shooting;
The bullet shooting information capturing subsystem is arranged on the gun and comprises a shell opening detection module which is used for acquiring the projectile information, wherein the projectile information comprises the projectile time, the projectile speed and the projectile shape;
The bullet shooting device comprises a data processing subsystem, a bullet shooting performance statistics module and a bullet shooting performance statistics module, wherein the data processing subsystem comprises a first data transmission module which is used for receiving target surface information and projectile information, the data processing subsystem further comprises a judging module which is used for judging shooting hit conditions according to the target surface information and the projectile information, the shooting hit conditions comprise hit targets, hit non-target targets and off-target, the data processing subsystem further comprises a shooting performance statistics module which is used for counting hit rings when hit targets and hit non-target targets, the data processing subsystem further comprises a bullet consumption statistics module which is used for judging whether a projectile is a shell or a real bullet according to the projectile shape, and the bullet consumption number is obtained according to the number of the shot shells.
In the above technical solution, the target surface information of the target corresponding to the shooter is obtained through the target surface information obtaining subsystem, the target surface information includes the hit time and the hit number of the target surface, if the shooter gets out of the target or hits the non-target, the hit time and the hit number of the target surface information are both null values, and if the shooter hits the target, the hit time and the hit number data corresponding to the shot are obtained.
The bullet shooting information capturing subsystem can detect the shooting time of the shot object at the shot opening and takes the shot time as the bullet shooting time, the distance from the shooting point to the target and the flying speed of the bullet are fixed, the data processing subsystem can calculate the flying time of the bullet according to the distance from the shooting point to the target and the flying speed of the bullet, and the bullet shooting time and the flying time of the bullet are added to obtain the bullet hit time. The judgment module compares the calculated hit time of the bullet with the hit time in the target surface information, if the two times are matched, the successful hit of the shot on the target is indicated, otherwise, the shot may be off-target or miss-target (hit on non-target). In order to definitely be off-target or wrong target, the data processing subsystem is used for calling target surface information of the non-target, comparing bullet shooting information of a shooter corresponding to the non-target with the target surface information, and if redundant hit information exists on the non-target, indicating that the shooting result of the shooter corresponding to the target is wrong target, otherwise, off-target.
Based on the automatic target reporting system, accurate judgment of each shooting result (target hit, non-target hit and target miss) of a shooter can be realized, and the occurrence of the conditions of false alarm, mixed alarm, missing report and the like is avoided, so that accurate statistics of shooting training results is realized. Meanwhile, through analysis of the shape of the shot-blasting opening shot, whether the shot-blasting opening shot is an unfired bullet or a bullet shell generated after firing is judged, so that the consumption (normal firing) quantity of the bullets is accurately counted, and the safety management and control of the bullets are ensured.
Further, the shell throwing port detection module comprises a receiving-transmitting array unit and a data analysis unit, wherein the receiving-transmitting array unit comprises a plurality of groups of light emitters and light receivers which are arranged oppositely, and the data analysis unit is connected with the light receivers and is used for receiving optical signal data received by the light receivers and analyzing according to the optical signal data to obtain throwing information.
When the throwing port is not used for throwing things, the light emitted by the light emitter is just received by the corresponding light receiver, and when the throwing port is used for throwing things, the light emitted by the light emitter is shielded by the throwing things (bullets or shells), so that the corresponding light receiver can not receive light signals, and whether the throwing port is used for throwing things or not and the throwing time of the throwing things can be judged. Since there are several groups of light emitters and light receivers, when a cartridge case or bullet is thrown, a plurality of light receivers cannot receive light signals, and the shape of the thrown object can be analyzed according to the position of the shielded light receivers. Based on the shape (including size) of the projectile and the time the optical signal is masked, the projectile ejection speed can be calculated.
The automatic target reporting system comprises a shooting target, an automatic target reporting system, a target reporting module and a target reporting module, wherein the automatic target reporting system further comprises an alarm information generating unit and an alarm, the alarm information generating unit is connected with the judging module, when the judging module judges that the shooting hit condition is that a target which is not the target hit or a target which is not the target hit, the alarm information generating unit generates an alarm control instruction and transmits the alarm control instruction to the alarm, and the alarm reports to the police according to the received alarm control instruction.
The alarm is arranged on the firearm or near the shooting position of the shooter, and when the shooting of the shooter is off-target or hits the non-target, the alarm alarms to remind the shooter to re-identify the correct target, so that the training effect of the shooter is improved.
Further, the alarm is an audible and visual alarm.
The audible and visual alarm is adopted to remind the shooter in the form of sound and light, so that the shooter can receive the alarm signal of the alarm.
Further, the alarm control instruction comprises a first alarm control instruction and a second alarm control instruction, the alarm information generation unit generates the first alarm control instruction when the shooting hit condition is off-target, the alarm information generation unit generates the second alarm control instruction when the shooting hit condition is on-target, and the alarm modes are different when the audible and visual alarm receives the first alarm control instruction and the second alarm control instruction.
When the shooter gets off target or hits the non-target, the alarm mode of the alarm is different (the audible and visual alarm gives out alarm sound and light with different frequencies), so that the shooter can know whether the target is off target or hit the non-target specifically, and the aiming direction and shooting action in the next shooting can be adjusted in a targeted manner.
Further, the automatic target reporting system further comprises a target display terminal, wherein the target display terminal is connected with the data processing subsystem and used for displaying hit ring numbers to a shooter.
The shooting score when shooting last time is timely mastered through the display terminal to be convenient for the shooter, corresponding adjustment is carried out in next shooting, so that training effect is improved.
Based on another aspect of the invention, an automatic target reporting method based on a shell opening detection technology is provided, which specifically comprises the following steps:
s1, acquiring parabolic information;
s2, judging whether a projectile exists, if so, judging whether the projectile is a bullet or a shell according to the shape of the projectile, and if so, entering a step S3;
S3, calculating bullet flight time according to the distance from the shooting position to the target and the flight speed of the bullet, and calculating to obtain theoretical hit time according to the bullet flight time and the projectile throwing time, acquiring target surface information of the target, judging whether the hit time is matched with the theoretical hit time, if so, entering a step S4, otherwise, entering a step S5;
S4, acquiring hit ring numbers corresponding to the hit time, and counting the hit ring numbers into shooting results of corresponding shooters;
S5, retrieving hit information of other target positions, judging whether the other target positions have redundant hit information, if not, indicating that the target is removed, if so, indicating that the target is hit to a non-target, and entering step S6;
And S6, acquiring the number of hit rings corresponding to redundant hit information on the non-target, and counting the number of hit rings to the shooting results of the corresponding shooters.
In the technical scheme, whether normal shooting is carried out or not (normal shooting is carried out when the shot is a shell) is judged through the shot information, theoretical hit time is obtained according to the shooting time (the shot-out time) and the bullet flight time, the theoretical hit time is matched with the actual hit time, if the matching is successful, the designed normal hit (hit target) is carried out, otherwise, the target is off-target or hit non-target, whether excessive hit information exists after hit information of a shooter corresponding to the non-target is removed is judged, if yes, it is indicated that the shooting of the shooter corresponding to the target hits the non-target, and the excessive hit information on the non-target is the hit information of the shooter corresponding to the target. Through the scheme, the hit condition of each shooting of the shooter can be accurately analyzed, the occurrence of the conditions of missing report, misreport and the like of the shooting score is avoided, and the accurate statistics of the training score is realized.
Further, the method for judging whether the projectile is a bullet or a shell in the step S2 includes the steps of obtaining the length of the projectile according to the shape of the projectile, judging whether the length of the projectile is matched with the length of the shell, if so, judging whether the projectile is the shell, if not, judging whether the length of the projectile is matched with the length of the bullet, and if so, judging that the projectile is the bullet.
During shooting training, the firearm may fail in a jam, where the shooter needs to pull the bolt rearwardly to eject an unfired bullet from the sabot. Therefore, what is thrown from the throwing port is probably an unfired bullet or a bullet shell generated after firing, whether the thrown object is a bullet shell or a bullet is judged through analysis of the shape of the thrown object of the throwing port, the number of unfired bullets is counted accurately, and each shot is fired or recovered, so that the risk of causing bullet safety management and control is avoided.
Further, the automatic target reporting method further comprises the step of generating an alarm control instruction to control an alarm to alarm after the target is judged to be off-target or hit on a non-target.
Further, the method for judging whether the redundant hit information exists in other target positions is as follows:
S501, acquiring hit information of a non-target, and extracting hit time of the non-target;
S502, obtaining theoretical hit time of the non-target based on the steps S1-S3;
s502, comparing the hit time of the non-target with the theoretical hit time of the non-target, judging whether the redundant hit time of the non-target exists, and if yes, indicating that the redundant hit information exists in the non-target.
If the non-target does not have a corresponding shooter (i.e., the non-target is not scheduled for use) and hit information is obtained on the non-target, the hit information is redundant hit information; if the non-target has a corresponding shooter (i.e. the non-target is arranged to be used), hit information of the shooter corresponding to the non-target is removed, and if redundant hit information is left, the hit information is hit information of the shooter corresponding to the target.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the automatic target reporting system based on the shell opening detection technology, the shell opening parabolic information and the target surface information are acquired and compared, the shooting hit condition of a shooter is accurately judged, the hit target and the hit ring number, the hit non-target and the hit ring number and the miss condition are accurately counted, the training condition of the shooter is truly and accurately obtained, and the safety and the efficiency of military training are improved.
(2) Whether the shot is an unfired bullet or a shell is judged through the shape of the shot, so that the consumption condition of the bullet is accurately counted, and the management safety of the bullet is ensured.
(3) The automatic target reporting method based on the shell opening detection technology provided by the invention judges whether normal shooting is carried out or not through the shot information (normal shooting is carried out when the shot is a shell), and obtains theoretical hit time according to the shooting time (the shot is shot time) and bullet flight time, the theoretical hit time is matched with the actual hit time, if the matching is successful, the normal hit (hit target) of the design is carried out, otherwise, the target is a miss target or a hit non-target, whether redundant hit information exists after hit information of a shooter corresponding to the non-target is removed is judged, if yes, the shooting of the shooter corresponding to the target is carried out, and if yes, the redundant hit information on the non-target is the hit information of the shooter corresponding to the target. Through the scheme, the hit condition of each shooting of the shooter can be accurately analyzed, the occurrence of the conditions of missing report, misreport and the like of the shooting score is avoided, and the accurate statistics of the training score is realized.
Drawings
FIG. 1 is a schematic diagram of an automated targeting system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a bullet firing information capture subsystem according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a transceiver array unit according to an embodiment of the present invention;
fig. 4 is a flowchart of an automatic target reporting method according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made in detail and with reference to the accompanying drawings, wherein it is apparent that the embodiments described are only some, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
Example 1
As shown in fig. 1, the present embodiment provides an automatic target reporting system based on a shell opening detection technology, which includes:
The target surface information acquisition subsystem is used for acquiring target surface information, wherein the target surface information comprises hit time and hit ring number of the target surface; the target surface information acquisition subsystem comprises a target surface information acquisition module and a third data transmission module, and the target surface information acquired by the target surface information acquisition module is transmitted to the third data transmission module;
the bullet shooting information capturing subsystem is arranged on a gun and comprises a shell opening detection module, wherein the shell opening detection module is used for acquiring the projectile information, and the projectile information comprises the projectile time, the projectile speed and the projectile shape;
The shell throwing port detection module comprises a receiving and transmitting array unit and a data analysis unit, wherein the receiving and transmitting array unit comprises a plurality of groups of oppositely arranged light emitters and light receivers;
Specifically, as shown in fig. 2, in this embodiment, the shell opening detection module is in the shape of a cuboid with a length of 23cm, a width of 3cm and a height of 5cm, a square through hole is formed in the cuboid, a plurality of light emitters (Fya) are arranged on the left inner wall of the square through hole, a light receiver (Tya) opposite to the light emitter on the left inner wall is arranged on the right inner wall of the square through hole, a plurality of light emitters (Fxa) are arranged on the top inner wall of the square through hole, a light receiver (Txa) opposite to the light emitter on the top inner wall is arranged on the bottom inner wall of the square through hole, the light signals emitted by any one light emitter can be received by the light receiver opposite to the light emitter, and the plurality of groups of light emitters and the light receiver form a transceiver array unit. And the shell opening detection module is also provided with a storage battery which is used for supplying power to the light receiver, the light emitter and the data analysis unit.
When the bullet or the shell is thrown from the shell throwing opening, the light signals emitted by part of the light emitters are shielded (as shown in figure 3), part of the light receivers cannot receive the light signals, and the shape and the size of the thrown object (the bullet or the shell) can be pushed out according to the position of the light receiver which cannot receive the light signals, so that whether the bullet or the shell is thrown out is determined. Taking a 95-1 automatic rifle as an example, the theoretical shooting speed is 650 shots/min and the combat shooting speed is 100 shots/min when shooting continuously at a single combat speed of 40 shots/min, the rifle is a common rifle with the length of 58mm, the full bullet weight is about 12.63g, the length of the bullet shell is about 42mm and the weight is about 7.13g. It can be seen that the length of the shell is 16mm less than the full bullet length, and this difference makes a signal generated when the receiving and transmitting array unit is shielded have a significant difference, and the shape of the object thrown out by the shell opening is determined according to the number of the shell shielding light receivers Txa and Tya to be the shell, and at this time, 1 projectile is shot.
Preferably, the light emitter in this embodiment is an infrared light emitter that emits infrared signals, and the light receiver in this embodiment is a photodiode. Under normal conditions, the ejection time of the shell from the ejection opening is about 90ms, the response time of the photodiode is 0.5 mu s, and the receiving-transmitting array has enough time to distinguish the sequence of the shells in the single-shot and continuous-shot states and sequentially transmit data. The common bullet caliber of the 95-1 automatic rifle is 5.8mm, and the beam diameter of the infrared light emitter is about 3mm, so that the interval between the receiving and transmitting arrays is 2mm, and the receiving and transmitting arrays have enough spatial resolution to identify the shape and the size of the passing object.
The infrared photoelectric transmitter and the photodiode have the advantages of small volume, simple structure, high sensitivity, sunlight interference resistance, pneumatic noise interference resistance, all-weather work, low cost and the like, and are suitable for being applied to the field ball firing environment of armies.
The automatic target reporting system further comprises a data processing subsystem, the data processing subsystem comprises a first data transmission module, the first data transmission module is respectively connected with the second data transmission module and the third data transmission module in a wireless communication mode and used for realizing wireless transmission of data, the first data transmission module is used for receiving the target surface information and the projectile information, the data processing subsystem further comprises a judging module used for judging shooting hit conditions according to the target surface information and the projectile information, the shooting hit conditions comprise hit targets, hit non-target targets and miss targets, the data processing subsystem further comprises a shooting score counting module used for counting hit ring numbers when hit targets and hit non-target targets, and the data processing subsystem further comprises a bullet consumption counting module used for judging whether the projectile is a shell or a real bullet according to the projectile shape and obtaining bullet consumption numbers according to the number of the cast shells.
The automatic target reporting system further comprises an alarm module, wherein the alarm module comprises an alarm information generating unit and an alarm, the alarm information generating unit is connected with the judging module, when the judging module judges that the shooting hit condition is a target hit or a target miss, the alarm information generating unit generates an alarm control instruction and transmits the alarm control instruction to the alarm, and the alarm alarms according to the received alarm control instruction.
Preferably, the alarm is an audible and visual alarm.
Specifically, the alarm control instruction comprises a first alarm control instruction and a second alarm control instruction, the alarm information generation unit generates the first alarm control instruction when the shooting hit condition is off-target, the alarm information generation unit generates the second alarm control instruction when the shooting hit condition is on-target, and the alarm modes are different when the audible and visual alarm receives the first alarm control instruction and the second alarm control instruction.
When the shooter gets off target or hits the non-target, the alarm mode of the alarm is different (the audible and visual alarm gives out alarm sound and light with different frequencies), so that the shooter can know whether the target is off target or hit the non-target specifically, and the aiming direction and shooting action in the next shooting can be adjusted in a targeted manner.
As a preferred embodiment, the automatic target reporting system further comprises a target display terminal, wherein the target display terminal is connected with the data processing subsystem and is used for displaying hit ring numbers to a shooter.
The shooting score when shooting last time is timely mastered through the display terminal to be convenient for the shooter, corresponding adjustment is carried out in next shooting, so that training effect is improved.
The data processing subsystem also comprises a display screen, wherein the display screen is used for displaying hit conditions of a shooter and ammunition consumption conditions, and a manager can grasp the conditions in real time through the display screen.
Example 2
As shown in fig. 4, the embodiment provides an automatic target reporting method based on a shell opening detection technology, which specifically includes the following steps:
s1, acquiring parabolic information;
S2, judging whether a projectile exists, if so, judging whether the projectile is a bullet or a shell according to the shape of the projectile, if so, indicating that the bullet is fired, entering a step S3, and if so, acquiring the length of the projectile according to the shape of the projectile, judging whether the length of the projectile is matched with the length of the shell, if so, judging whether the projectile is the shell, entering the step S3, otherwise, judging whether the length of the projectile is matched with the length of the bullet, and if so, judging that the projectile is the bullet;
S3, calculating bullet flight time according to the distance from the shooting position to the target and the flight speed of the bullets, and calculating to obtain theoretical hit time according to the bullet flight time and the projectile throwing time, acquiring target surface information of the target, judging whether the hit time is matched with the theoretical hit time, if so, indicating that the projectile is hit on the target (namely normal hit), entering a step S4, otherwise, indicating that the projectile is out of target or hit on a non-target (namely miss), and entering a step S5;
S4, acquiring hit ring numbers corresponding to the hit time, and counting the hit ring numbers into shooting results of corresponding shooters;
S5, retrieving hit information of other targets (non-target targets), judging whether the other targets have redundant hit information, if not, indicating that the targets are out of target, if so, indicating that the targets are hit by the non-target targets, then proceeding to step S6, and judging whether the other targets (non-target targets) penetrate the redundant hit information or not, wherein the method comprises the following steps:
S501, acquiring hit information of a non-target, and extracting hit time of the non-target;
S502, obtaining theoretical hit time of the non-target based on the steps S1-S3;
s502, comparing the hit time of the non-target with the theoretical hit time of the non-target, judging whether the redundant hit time of the non-target exists, if so, indicating that the redundant hit information exists in the non-target, and entering step S6;
And S6, acquiring the number of hit rings corresponding to redundant hit information on the non-target, and counting the number of hit rings to the shooting results of the corresponding shooters.
The following are illustrated:
S1, assuming a target of a shooter A as a target A, a bullet shooting information capturing subsystem A is arranged on a firearm used by the shooter A, and a target surface information acquiring subsystem A is arranged on the target A. The bullet occurrence information capturing subsystem A acquires the projectile information A at the projectile opening and transmits the projectile information A to the data processing subsystem (the data processing subsystem is connected with a plurality of bullet emission information capturing subsystems and a target surface information acquiring subsystem in a wireless communication manner);
S2, a judging module in the data processing subsystem judges whether the parabolic information is null (when the parabolic opening does not have the parabolic information, the parabolic information is null), if not, the parabolic information indicates that the parabolic information is thrown out from the parabolic opening, and further judges whether the parabolic information is a shell or a bullet according to the shape and the size of the parabolic information, if so, the shooter A completes normal shooting;
S3, calculating bullet flight time t A according to the distance L A from the shooting position of the shooter A to the target A and the flight speed of the bullet, and calculating according to the bullet flight time t A and the projectile throwing time acquired by the bullet occurrence information capturing subsystem A to obtain the theoretical hit time of the target A; acquiring target surface information A of a target A by a target surface information acquisition subsystem, acquiring actual hit time of the target A, judging whether the actual hit time of the target A is matched with theoretical hit time of the target A, if so, entering a step S4, otherwise, entering a step S5, if not, indicating that the shooter A does not hit the target A;
s4, acquiring the hit ring number on the target A, and counting the hit ring number into the design result of the shooter A;
And S5, calling target surface information B of other target positions (such as target B), acquiring whether other shooters use the target B, judging whether the target surface information B is null or not if the target B is not used by the shooters, if so, indicating that the shooting result of the shooter A is off-target, and if not, indicating that the shooter A shoots the target B (i.e. hits the non-target). If a shooter (shooter B) uses the target B, acquiring the shot information B through a bullet shooting information capturing subsystem B arranged on the shooter B firearm, calculating to obtain the theoretical hit time of the target B, comparing the actual hit time in the target surface information B with the theoretical hit time of the target B to obtain hit information of the shooter B in the target surface information B;
s6, acquiring the number of hit loops corresponding to the redundant hit information on the target B, counting the hit loops in the shooting score of the shooter A, and triggering an alarm to prompt the shooter A to hit the non-target.
When the projectile is normally launched and the shell is not retracted, the shielding time of the shell to the light emitted by the light emitter is 0, if the shell is blocked at the shell throwing opening, the shell can continuously shield the light emitted by the light emitter, the theoretical shielding time is infinitely long (until the fault is eliminated), and the time for throwing the shell from the shell throwing opening under the normal shooting condition is about 90ms. Therefore, the above-described cases can be distinguished according to the light signal blocking time.
When the bullet loading of the shooter fails, the shooter pulls the bolt backwardly to withdraw the unfired bullet from the shell throwing opening. Since the ejection of the withdrawal bullet is a live bullet that has not been used, the number of firing ammunition should not be counted. At this time, it can be determined that the light blocking signal is different due to the difference between the length of the case and the length of the full case. Taking a common bullet of a 5.8mm rifle as an example, the full bullet is 58mm long, and the bullet shell is about 42mm long. The number of the light signals shielded when the shell or the unused bullet passes through the cover surface can be calculated according to the plane full cover formed by the light emitter and the light receiver, and the shell and the unused bullet are judged according to the length of the shell < the length of the unused bullet=the length of the exposed bullet+the length of the shell (namely, the light signals shielded by the shell < the light signals shielded by the unused bullet). When it is determined that an unused bullet is thrown, the system will not count the current ammunition consumption and determine that the shooter is unfired.
Another method is that, because the live ammunition mass is larger than the shell mass, the live ammunition weighs about 12.63g, the shell weighs about 7.13g, and according to the automatic rifle shell throwing principle, the elastic potential energy Ep and the kinetic energy Ek formula are utilized, and then:
k is an elastic recovery coefficient, x is a compression amount, and further:
m is the mass of the object, v is the speed of the object, according to the law of energy conservation, gunpowder combustion gas pushes a gunlock return spring to move backwards, the return spring obtains elastic potential energy and converts the elastic potential energy into kinetic energy, a grabbing hook is driven to grab a shell from a bullet chamber to a shell throwing opening for throwing, and ep=ek comprises the following steps:
further, the ejection speed was found to be:
known rifle shells weigh 7.13g, full-weight about 12.63g, then there are:
v Cartridge case ＞v Live ammunition
The speed of the shell from the shell throwing opening is far higher than the speed of the shooter when the shell is manually ejected (the live shell is heavier), so that the live shell and the shell can be accurately distinguished according to the ejection speed of the object to be ejected.
When the projectile hit information and the projectile emission information are consistent in quantity and time (the difference between the emission time and the hit time is the projectile flight time, and the time difference is constant under the condition of constant distance and constant projectile initial velocity), the normal hit of the projectile is judged, when the projectile time (the projectile throwing time) information is generated, and the hit time information is not generated, the projectile of the named shooter is indicated to be off-target or hit a non-target, other target hit information can be adjusted to be compared with the projectile emission information, if the hit information of the non-target hit information is consistent, the named shooter is indicated to hit a wrong target, the projectile is counted into the achievement of the shooter, and an alarm is controlled to give an alarm, so that the named shooter is timely reminded of re-identifying the correct target.
In the cooperative shooting training of the combat group, a plurality of shooters shoot a plurality of repeated hidden targets. For example, 3 shooters are numbered X1, X2, and X3, and 6 targets (targets) are numbered Y1, Y2, Y3, Y4, Y5, and Y6, respectively. By using the method in this embodiment, according to the target number and the shooter number, the information such as the number of rings, the number of shots, the time and the like of each shooter hitting each target can be accurately notified, the system can calculate and judge the killing strength of the target (target) according to the hit number, if the target Y5 is damaged, if the 1 st hit of the shooter X2 is 7 rings, the target Y5 can be judged to be a light injury, the target Y5 still has the fight capability, the target can be displayed again, and if the 2 nd hit of the shooter X1 is 10 rings, the target Y5 can be judged to be killed and the target is no longer displayed. Therefore, the method provided by the embodiment can effectively enhance the benefit of cooperative shooting training, and enables the cooperative shooting training to realize accurate analysis and actual hit recovery by using the automatic target reporting method.
In the invention, the time data acquisition is accurately recorded as t Accuracy of , and the probability of one of the two shooters getting off the target and the other shooting the wrong target (hitting the non-target) is analyzed when the two shooters fire at the same time:
According to the statistics of a large amount of sample data, when the number of the shot bullets of the fixed target is n, according to the requirement of a large outline, the total shooting time is t Total (S) , and when the shooter shoots the ith shot, the using time is recorded as t i (i=1, 2, the..n), then:
Further, the average off-target rate is Average miss rate ofThe probability P of the occurrence of the above situation (one shooter getting off target, the other shooter hitting a non-target) is:
In the invisible target shooting, the target display time is set to be t Display device , each time n 1 shots are continuously shot, and the probability P Invisible display of the occurrence of the conditions is as follows:
therefore, when the time data acquisition is accurate to 0.01 second, when two shooters fire at the same time, one of the two shooters is out of target, and the other is in error target probability analysis. According to a large amount of sample data statistics, firing 5 shots on a fixed target, and setting the service time after 5 shots of a shooter to be 126 seconds, namely:
the average miss rate is 0.017, the average miss rate is 0.0035 when 10 shooters participate in shooting, the probability of the occurrence of the situation is as follows:
In the invisible target shooting, the target display time is 6 seconds, each shooting is 2 continuous shooting, and the probability of the occurrence of the situation is as follows:
It follows that the specific example case still has very strong operability.
It should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present invention, and not for limiting the same, and although the present invention has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the technical solution described in the above-mentioned embodiments may be modified or some or all of the technical features may be equivalently replaced, and these modifications or substitutions do not deviate from the essence of the corresponding technical solution from the technical solution of the embodiment of the present invention.
Claims (10)
1. An automatic target reporting system based on a shell opening detection technology is characterized by comprising:
The target surface information acquisition subsystem is used for acquiring target surface information, and the target surface information comprises hit time and hit number of each shooting;
The bullet shooting information capturing subsystem is arranged on the gun and comprises a shell opening detection module which is used for acquiring the projectile information, wherein the projectile information comprises the projectile time, the projectile speed and the projectile shape;
The system comprises a data processing subsystem, a data processing subsystem and a bullet shooting statistical module, wherein the data processing subsystem comprises a first data transmission module, the first data transmission module is used for receiving target surface information and projectile information, the data processing subsystem further comprises a judging module, the judging module is used for judging shooting hit conditions according to the target surface information and projectile information, the shooting hit conditions comprise hit targets, hit non-target targets and off-target, the judging module is used for comparing calculated bullet hit time with hit time in the target surface information, if the hit time is identical with hit time in the target surface information, the successful shooting of the target is indicated, otherwise, the shooting of the target may be off-target or miss-target, the data processing subsystem further comprises a shooting score statistical module, the shooting score statistical module is used for counting hit rings when the target hit targets and the non-target hit targets, and the data processing subsystem further comprises a bullet consumption statistical module, and the bullet shooting statistical module is used for judging whether the projectile is a shell or a real bullet according to the projectile shape and obtaining the bullet consumption quantity according to the number of the projectile shells.
2. The automatic target reporting system based on the shell opening detection technology according to claim 1, wherein the shell opening detection module comprises a transceiver array unit and a data analysis unit, the transceiver array unit comprises a plurality of groups of oppositely arranged light emitters and light receivers, and the data analysis unit is connected with the light receivers and is used for receiving light signal data received by the light receivers and analyzing and obtaining parabolic information according to the light signal data.
3. The automatic target reporting system based on the shell opening detection technology according to claim 1, further comprising an alarm module, wherein the alarm module comprises an alarm information generating unit and an alarm, the alarm information generating unit is connected with a judging module, and when the judging module judges that the shooting hit condition is a hit of a non-target or a miss, the alarm information generating unit generates an alarm control instruction and transmits the alarm control instruction to the alarm, and the alarm alarms according to the received alarm control instruction.
4. An automated target reporting system based on a shell opening detection technique as in claim 3 wherein the alarm is an audible and visual alarm.
5. The automatic target reporting system based on the shell opening detection technology according to claim 4, wherein the alarm control instructions comprise a first alarm control instruction and a second alarm control instruction, the alarm information generating unit generates the first alarm control instruction when the shooting hit condition is off-target, the alarm information generating unit generates the second alarm control instruction when the shooting hit condition is on-target, and the alarm mode is different when the audible-visual alarm receives the first alarm control instruction and the second alarm control instruction.
6. The automatic target scoring system based on the shell opening detection technology according to claim 5, further comprising a target display terminal connected with the data processing subsystem for displaying hit numbers to a shooter.
7. An automatic target reporting method based on a shell opening detection technology, for realizing statistics of shooting results based on an automatic target reporting system based on the shell opening detection technology as claimed in any one of claims 1-6, comprising the following steps:
s1, acquiring parabolic information;
s2, judging whether a projectile exists, if so, judging whether the projectile is a bullet or a shell according to the shape of the projectile, and if so, entering a step S3;
S3, calculating bullet flight time according to the distance from the shooting position to the target and the flight speed of the bullet, and calculating to obtain theoretical hit time according to the bullet flight time and the projectile throwing time, acquiring target surface information of the target, judging whether the hit time is matched with the theoretical hit time, if so, entering a step S4, otherwise, entering a step S5;
S4, acquiring hit ring numbers corresponding to the hit time, and counting the hit ring numbers into shooting results of corresponding shooters;
S5, retrieving hit information of other target positions, judging whether the other target positions have redundant hit information, if not, indicating that the target is removed, if so, indicating that the target is hit to a non-target, and entering step S6;
And S6, acquiring the number of hit rings corresponding to redundant hit information on the non-target, and counting the number of hit rings to the shooting results of the corresponding shooters.
8. The automatic target reporting method based on the shell opening detection technology according to claim 7, wherein the method for judging whether the projectile is a bullet or a shell in the step S2 is to acquire the length of the projectile according to the shape of the projectile, judge whether the length of the projectile is matched with the length of the shell, if so, judge whether the projectile is a shell, if not, judge whether the length of the projectile is matched with the length of the bullet, and if so, the projectile is a bullet.
9. The automatic target reporting method based on the shell opening detection technology according to claim 8, wherein the automatic target reporting method further comprises the step of generating an alarm control instruction to control an alarm to alarm after the target is judged to be off-target or hit on a non-target.
10. The automatic target reporting method based on the shell opening detection technology according to claim 9, wherein the method for judging whether the redundant hit information exists in other target positions is as follows:
S501, acquiring hit information of a non-target, and extracting hit time of the non-target;
S502, obtaining theoretical hit time of the non-target based on the steps S1-S3;
s502, comparing the hit time of the non-target with the theoretical hit time of the non-target, judging whether the redundant hit time of the non-target exists, and if yes, indicating that the redundant hit information exists in the non-target.
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