CN101105383A - Computer-aided flying saucer shooting training system - Google Patents
Computer-aided flying saucer shooting training system Download PDFInfo
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- CN101105383A CN101105383A CNA2006101046027A CN200610104602A CN101105383A CN 101105383 A CN101105383 A CN 101105383A CN A2006101046027 A CNA2006101046027 A CN A2006101046027A CN 200610104602 A CN200610104602 A CN 200610104602A CN 101105383 A CN101105383 A CN 101105383A
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Abstract
The invention relates to a computer-aided clay pigeon-shooting training system suitable for clay shooting item. The training system comprises a 3D target-release simulation unit, an information acquisition and processing unit, a central control unit, a laser simulated bullet, a scatter gun provided with a triggering state acquisition and radio emission device inside, and a sound-operated controller. The training system uses multimedia computer and WindowsXP system as main Chinese language running platform and projects target-release dynamic images generated by a 3D clay pigeon-release program on a screen via a projector, the player holds gun and aims at the target on the screen, when the clay pigeon-release signal is transmitted to the central control unit, the central control unit controls the computer to play the corresponding target-release image signal in accordance with target chart, meanwhile, the triggering state acquisition and radio emission device transmits the triggering signal to the central control unit, the camera acquires the images of target-tracking process on the screen and transmits back to the computer for processing, based on which the player can perform technical analysis, and finish clay pigeon-shooting training in relation to the relative position of moving target and scattered bullet.
Description
Technical field
The invention belongs to sports and recreational facilities technical field, relate to a kind of computer-aided flying saucer shooting training system that is applicable to the clay-pigeon shooting project in the sports, this system also can be applicable to amusement target practice aspect.
Background technology
Before design of the present invention proposed, only there was similar gunnery training system the domestic and international market on 10m air rifle, 10 meters pistol projects: as the Noptel system of Finland, Muscovite SCATT system, the SAM-Trainer system of Germany and domestic rifle god 2000 etc.Because said system all belongs to relative target and maintains static, good simulation of point of impact vestige and quantitative analysis are arranged, but it can't be applicable to the training of the clay-pigeon shooting project that dynamic target and shot relative position change.Because it is very big that the dish target that trap machine is dished out in the clay-pigeon shooting training and competition is subjected to sending out dynamics, delay time, the aerial airflow direction that changes at any time, the speed influence of target, the development computer-aided flying saucer shooting training system is than 10m air rifle, 10 meters many (it need test and accumulate a large amount of scientific experiment data) that pistol area of computer aided gunnery training system difficulty is big, thereby the domestic and international at present computer-aided flying saucer shooting training system on the clay-pigeon shooting project still is, and a development is blank.
Summary of the invention
The objective of the invention is to overcome the deficiency that prior art exists, and then a kind of design advanced person, easy to operate, intelligent degree height are provided, are applicable to the computer-aided flying saucer shooting training system of clay-pigeon shooting project training.
The technical solution that adopts is so for achieving the above object: the computer-aided flying saucer shooting training system that is provided comprise three-dimensional simulation throw target part, analysis of information collection processing section, in establish the central controller of throwing target control program and percussion control program, laser analog bullet, in establish shotgun, the acoustic control device of percussion state acquisition and wireless launcher (shock sensor), wherein:
Said three-dimensional simulation is thrown target part and is contained hardware components and software section, its hardware components is made up of multimedia computer, projector, screen (giant-screen beaded screen), computer receives after central controller throws the target command signal, by projector with the flying saucer flight path image projecting of three-dimensional coordinate transformation in screen;
Hardware components and software section are also contained in said analysis of information collection processing section, its hardware components is made up of multimedia computer and video camera, after central controller transmits control signal corresponding, video camera is delivered to the dynamic image that collects and is carried out calculation process in the computer, forms complete with the target geometric locus;
It is core devices that said central controller adopts the AT89C51 single-chip microcomputer, mainly forms by throwing target control program and percussion control program, communication interface, user interface (display, keyboard etc.), self-defined target spectrum, multidirectional target spectrum, two multidirectional target spectrums and two-way target spectrum etc.;
Said laser analog bullet is by extremely preceding bump percussion assembly, triggering Control Component, rechargeable battery, compressing tablet, electrode and the laser constitution that is installed in the bullet shell successively from the back;
Said percussion state acquisition and wireless launcher are installed on the shotgun gun barrel, be mainly used in the monitoring trigger and pull the operating state of beating instant-emitting, it is by be installed in an antenna in the column jecket shell by mounting bracket, circuit board, wireless remote control emitter, single-chip microcomputer, composition such as piezoelectric ceramic piece and power supply, when cocking, the vibration signal that gun barrel produces with bore is by the shell of transmitter, mounting bracket, printed circuit board is delivered on the piezoelectric ceramic piece, piezoelectric ceramic piece is converted to the signal of telecommunication with mechanical oscillation signal, this signal of telecommunication is sent into remote control transmitter successively behind discharge circuit processing and single-chip microcomputer coding, after the outside transmitted radio signal of antenna;
Said acoustic control device is that the athletic sound of issuing an order in scene is extracted the device that becomes the signal of telecommunication, is made up of main microphone, secondary microphone, voice filter, threshold values control, the detection of sound duration and the elimination of ambient interferences sound etc.
In the practical application, clay-pigeon shooting training system according to the foregoing development adopts multimedia computer and Windows XP system as main Chinese operation platform, the three-dimensional throwing target dynamic image of being thrown the generation of target program by three-dimensional is projected on the giant-screen beaded screen by multimedia projector, the hand-held true rifle of two-tube shot 5～7 meters run-homes before distance giant-screen beaded screen that laser analog bullet and shock sensor are housed of sportsman, after the sportsman sends throwing target sound, microphone imports athletic sound into the acoustic control device, the acoustic control device carries out filtering with voice signal, anti-interference process, after confirming as throwing target signal, import central controller into, central controller is play the corresponding target signal of video signal of throwing according to target spectrum control computer and is trained, pulling the trigger the state acquisition emitter simultaneously pulls the trigger signal with the sportsman and handles by being wirelessly transmitted to central controller, video camera returns the image collection with the target process on the elecscreen and carries out the real-time analysis processing in the computer, for the coach, the sportsman carries out technical Analysis, the training of the clay-pigeon shooting project of dynamic clay pigeon and shot relative position variation is finished in diagnosis etc.
Description of drawings
Fig. 1 is the fundamental diagram of clay-pigeon shooting training system part of the present invention.
Fig. 2 is the control flow chart of central controller part.
Fig. 3 is the cut-away view of laser analog bullet.
Fig. 4 is the laser analog bullet schematic diagram that flies out.
Fig. 5 is a laser analog bullet flow chart.
Fig. 6 is the structural representation of percussion state acquisition emitter.
Fig. 7 is an acoustic control device flow chart.
The specific embodiment
Referring to Fig. 1, computer-aided flying saucer shooting training system of the present invention mainly by three-dimensional simulation throw target part, analysis of information collection processing section, central controller 2, laser analog bullet 7, in establish percussion state acquisition and wireless launcher 8 six most of compositions such as shotgun 6, acoustic control device 1, its each several part content is distinguished as described below.
One, target part is thrown in three-dimensional simulation
Three-dimensional simulation is thrown target part and is comprised hardware and software two parts.The screen 11 that hardware components constitutes by multimedia computer 5, projector 10, by the giant-screen beaded screen is formed, the throwing target instruction output end UNICOM of computer 5 inputs and central controller 2, after the throwing target command signal that receives central controller 2, by projector 10 with the flying saucer flight path image projecting of three-dimensional coordinate transformation in screen 11.Software section comprises mathematical description two parts of object figure display part and flying saucer flight path, and it is mainly write by Borland C++ Builder6.0 and DirectX9SDK, operates on the Windows XP Chinese operating platform.Object figure display part in the software section is simple relatively, and foundation, three-dimensional coordinate transformation, illumination calculation, texture mapping of geometrical model etc. are arranged; The mathematical description of flying saucer flight path is complicated, except calculating the flight path according to Newton's second law, also factors such as air drag, natural wind, wind direction, acceleration of gravity must be participated in computing, finally obtain and actual very approaching flying saucer flight path, through Shaanxi Province, ray machine place, the Chinese Academy of Sciences Xi'an gunnery training center field test, its flying saucer track and the realistic requirement of instantaneous velocity.
Two, analysis of information collection processing section
The analysis of information collection processing section comprises hardware and software two parts.Hardware components is made up of multimedia computer 4 and video camera 9.Software section is write by Borland C++ Builder6.0, operates on the Windows XP Chinese operating platform.In system when in running order, after central controller 2 transmits control signal corresponding, video camera 9 is delivered to the dynamic image that collects in the computer 4, computer 4 is called in calculation process such as carrying out image filtering, image binaryzation, rim detection and definite laser beam central point in the internal memory with the picture of each frame, this point is connected with the central point of a last laser beam, by that analogy, thus form complete with the target geometric locus.In this process, when the percussion signal is arranged, follow the time that marks and calculate on the target geometric locus position from initial to percussion, so that user's inquiry current.Acquisition rate was 30 frame/seconds, and therefore, operation program must be finished all and calculate in 33 milliseconds, otherwise can have influence on the accuracy of geometric locus.Label 3 is a printer among Fig. 1.
Three, central controller
It is core devices that central controller 2 adopts the AT89C51 single-chip microcomputer, its control flow mainly is made up of control program, communication interface, user interface (display, keyboard etc.), self-defined target spectrum, multidirectional target spectrum, two multidirectional target spectrums and two-way target spectrum etc. as shown in Figure 2.After control program received the throwing target signal that the acoustic control device transmits, the throwing target target spectrum of setting according to the user passed to computer by communication interface and throws the target action accordingly through after converting.After control program receives the signal that shock sensor transmits, pass to computer by communication interface and carry out corresponding firing action.The target spectrum is write according to " gunnery regulations " middle related content that Chinese Shooting Association published in 2002.
Four, laser analog bullet
The internal structure of laser analog bullet is as shown in Figure 3: it is made up of striker percussion assembly 71, power switch 72, Control Component 73, rechargeable battery 74, compressing tablet 75, electrode 76, adjustment screw 77, laser instrument 78 and shell 79 etc.The overall dimensions of laser analog bullet are identical with bullet with No. 12 matches, directly put into bore, and striker promptly is a trigger switch, and net synchronization capability is good.To adorn rubber blanket in the striker in order protecting, to be used for absorbing the striker energy.In order to solve the laser speed problem different with bullet speed, the Control Component that is made of the 89LPC901 one chip microcomputer is housed in the laser analog bullet, its circuit work power is provided by the rechargeable battery of interior dress, and filling once electricity can be continuously with more than 4 hour.In the practical application, bullet inserted bore after power supply open automatically, when muzzle is aimed at screen, in screen, promptly show a low-light level laser point, cocking laser point display high-brightness.This laser point is the central point of shot.This laser point movement locus is athletic with the target track, and the high brightness laser point is athletic percussion point.The coach can observe the state that the sportsman follows the tracks of dish target and percussion intuitively.For guaranteeing the situation of the actual bullet of real simulated, in design, just must consider the time that bullet flies out and hits the mark, the normal throw that bullet flies out and hits the mark, its running orbit as shown in Figure 4, the muzzle velocity degree is provided by gunnery training center, Shaanxi Province among the figure.
The flow chart of laser analog bullet as shown in Figure 5, time-delay 1 arrives time of target for bullet among the figure, delaying time 2 is to hit a little in order to guarantee to allow people's eyes see.
Five, percussion state acquisition and wireless launcher
The basic structure of percussion state acquisition and wireless launcher 8 as shown in Figure 6, it mainly is made up of antenna 81, circuit board 82, wireless remote control emitter 83, single-chip microcomputer 84, piezoelectric ceramic piece 85, shell 86, mounting bracket 87 and power supply 88 etc.This device sensitivity is higher, can gather small mechanical shock signal, as the signals such as percussion of gunlock.During use this emitter is installed on the gun barrel, when cocking, gun barrel produces vibration signal with bore, this signal is delivered on the piezoelectric ceramic piece 85 by shell 86, mounting bracket 87, the printed circuit board 82 of transmitter, piezoelectric ceramic piece 85 is converted to the signal of telecommunication with mechanical oscillation signal, to vibrate the signal of telecommunication again and handle, and behind single-chip microcomputer 84 codings, send into remote control transmitter 83, after the outside transmitted radio signal of antenna through discharge circuit.Above-mentioned radio signal can be received by wireless remote controlled receiver, and through the single-chip microcomputer decoding, sends into single-chip microcomputer then and be further processed.Because the sportsman is very responsive to the variation of the weight of rifle, shape, therefore, require percussion state acquisition and the wireless launcher must be light and handy, adopt surface mount elements design for this reason, make it to satisfy the instructions for use of volume small and exquisite (weight is less than 40 grams).
This percussion state acquisition and wireless launcher 8 also can be used for the occasion that other need gather the milli machine vibration signal.
Six, acoustic control device
The acoustic control device is that the athletic sound of issuing an order in scene is extracted a kind of device that becomes the signal of telecommunication, and its operation principle is made up of main microphone, secondary microphone, voice filter, threshold values control, the detection of sound duration and the elimination of ambient interferences sound etc. as shown in Figure 7.Because the frequency that the people speaks generally between 400Hz～4kHz, adds the bandpass filter of 400Hz～4kHz, the interfering signal beyond the filtering challenge signal in the microphone prime for this reason.Secondary microphone is used for the collection site ambient sound, and control will be higher than the signal of certain threshold values and the signal that the main microphone signal subtraction obtains actual needs in the main microphone through threshold values; General motion person sends the sound of throwing target and will keep more than 0.4 second, therefore, in the end adds pulsewidth and detects, and the transient signals (as the sound of rifle on the bullet) that will be lower than 0.4 second is rejected, and adds strong anti-interference ability.
Claims (1)
1. computer-aided flying saucer shooting training system, it is characterized in that comprising three-dimensional simulation throw target part, analysis of information collection processing section, in establish the central controller (2) of throwing target control program and percussion control program, laser analog bullet (7), in establish shotgun (6), the acoustic control device (1) of percussion state acquisition and wireless launcher (8), wherein:
1.1 throwing target part, three-dimensional simulation forms by multimedia computer (5), projector (10), screen (11), computer (5) receives after central controller (2) throws the target command signal, by projector (10) with the flying saucer flight path image projecting of three-dimensional coordinate transformation in screen (11);
1.2 the analysis of information collection processing section is made up of multimedia computer (4) and video camera (9), after central controller (2) transmits control signal corresponding, video camera (9) is delivered to the dynamic image that collects in the computer (4) and is carried out calculation process, forms complete with the target geometric locus;
1.3 laser analog bullet (7) by from the back to precedingly being installed in bump percussion assembly (71) in the bullet shell (79) successively, triggering Control Component (73), rechargeable battery (74), compressing tablet (75), electrode (76) and laser instrument (78) and form;
1.4 percussion state acquisition and wireless launcher (8) are installed on the gun barrel, are made up of antenna (81), circuit board (82), wireless remote control emitter (83), single-chip microcomputer (84), piezoelectric ceramic piece (85) and the power supply (88) etc. that are installed in by mounting bracket (87) in the column jecket shell (86).
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| CN2006101046027A CN101105383B (en) | 2006-09-19 | 2006-09-19 | Computer-aided flying saucer shooting training system |
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| CN2006101046027A CN101105383B (en) | 2006-09-19 | 2006-09-19 | Computer-aided flying saucer shooting training system |
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| CN101105383B CN101105383B (en) | 2010-08-04 |
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