CN111486746B - Virtual training platform and training method for grenade launching - Google Patents
Virtual training platform and training method for grenade launching Download PDFInfo
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- CN111486746B CN111486746B CN202010018662.7A CN202010018662A CN111486746B CN 111486746 B CN111486746 B CN 111486746B CN 202010018662 A CN202010018662 A CN 202010018662A CN 111486746 B CN111486746 B CN 111486746B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A33/00—Adaptations for training; Gun simulators
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- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention relates to the field of tactical action training, and discloses a virtual training platform for grenade launching, which comprises a launcher module, a sighting telescope module, an interaction module and a posture monitoring module, has the functions of various training modes, effect evaluation and the like, and can provide immersive and interactive complete training experience for students. Based on the platform, a grenade launching training method is further provided, and an effective training tool is provided for improving the training level of tactical actions and guaranteeing the training safety. Compared with the prior art, the training method is based on a virtual training platform, is flexible in training mode and is not limited by time and place; by constructing a bullet flight model, the influence of environmental factors on a training result is accurately measured, so that the tactical ability of a trainee is more scientifically evaluated; the immersive experience is provided, and the danger of the traditional training method is basically avoided while the training effect is ensured.
Description
Technical Field
The invention relates to the field of tactical action training, in particular to a virtual training platform and a training method for grenade launching
Background
A grenade launcher is a weapon that launches small grenades on the principle of a firearm. Compared with other light weapons, the grenade launcher has the characteristics of long range, wide killing range and the like, and plays an important role in modern battlefields. The grenade launcher of a certain type which is independently developed in China obtains a remarkable public praise and reverberation in military trade markets at home and abroad due to the excellent performance and reliability. The type of grenade launcher can select a light launcher and a heavy launcher, can be provided with various sighting scopes, and is used for striking a worker shooting hole or a building door and window of an enemy within 600 meters, guarding a live target in the interior of the enemy, guarding a live target within 2200 meters, and damaging a light armored equipment target of the enemy within 800 meters; in addition, air bombs may be fired to kill exposed and concealed enemy life targets.
The actual use effect of the grenade launcher depends on the daily operation training of soldiers to a great extent, including shooting training, dismounting training, fault treatment and maintenance training and the like. Among the most critical items is shooting training. Because the cost of the grenade launcher and ammunition is relatively high, the requirement of shooting training on training places and conditions is relatively high, and the grenade launcher is easily influenced by other objective factors such as environment and the like, and the shooting training of the grenade launcher has limitation to a certain extent. The simulation training is relatively safe and economical, the process is controllable, the simulation training can be repeated for many times, the simulation training is not limited by climatic conditions and field space, the conventional operation training and the operation training under a complex environment can be realized, the training efficiency is high, and therefore the high importance of the military of various countries is obtained. The existing simulation training system generally adopts large-screen projection, and the motion tracker based on optics is used for training, so that although a certain training effect is achieved, interactive operation and immersive experience are still lacked, the training content is greatly limited, and the training simulation degree and the training effect need to be improved. In addition, the existing simulation training system generally lacks shooting recoil and sound, and has great difference with the real shooting environment. In conclusion, aiming at the defects of the existing simulation training system, the virtual training expert system of the grenade launcher is provided based on the virtual reality technology, and has very important practical significance for improving the training level of tactical movement and guaranteeing the training safety.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides a virtual training platform and a training method for grenade launching. The system comprises equipment such as a transmitter module, a sighting telescope module, a head-mounted interactive module and a posture monitoring module, has the functions of multiple training modes, effect evaluation and the like, and can provide immersive and interactive complete training experience for students.
In order to achieve the purpose, the invention adopts the following technical scheme:
a virtual training platform for grenade launching comprises training positions 1, 2.. n, a router module and a server module; the router module is used for constructing a local area network; the server module provides calculation and storage functions; the training positions 1, 2.. n provide independent training areas for operators, each training position 1, 2.. n can accommodate one operator for training, and a local area network constructed by the training position access router module is connected with the server module through a network.
Furthermore, the training positions 1,2,. n are configured identically, and the training positions 1,2,. n comprise a transmitter module, a sighting telescope module, an interaction module and an attitude monitoring module; in the training positions 1, 2.. n, the emitter module is used for providing a virtual projectile emitting function in virtual training; the sighting telescope module provides a function of simulating the sighting telescope calibrating process; the sighting telescope module is arranged on the emitter module; the interaction module is used for providing an information interaction channel; the posture monitoring module is used for providing a body posture and trajectory monitoring function; the training positions 1,2, 3, n of the emitter module, the sighting telescope module, the interaction module and the posture monitoring module are connected into a local area network and are connected with the server module through a network.
Furthermore, the transmitter modules included in the n training bits have the same structure, and in j ═ 1, 2.., in n, the jth transmitter module includes a jth transmitter body device, a jth electromagnetic braking device and a jth base device; the jth emitter body device can provide a carrying platform for the jth sighting telescope module and the jth electromagnetic braking device, and a communication device is arranged in the jth emitter body device and can be connected with the router module through a network. The carrying mode is a card slot connection.
The j electromagnetic braking device comprises an iron core, a spring, an electrified coil, an impact head and a trigger and is used for providing recoil force for simulating the grenade to be launched.
The jth base unit includes a member, a jth bipod or a jth tripod.
Furthermore, the sighting telescope modules contained in the training positions have the same structure, and in j1, 2.. the j-th sighting telescope module comprises a j-th lens body device and a j-th angle sensing device; the jth lens body device is internally provided with a communication device which can establish network connection with the router module; the jth angle sensing device is arranged on the jth lens body device, and is provided with a feedback circuit which can provide virtual sighting telescope calibration data for the jth interaction module.
Furthermore, the interaction modules contained in the training position have the same structure, and in j1, 2.. multidot.n, the jth interaction module adopts a wearable design and comprises a jth display and a jth sensor device, wherein the jth display provides a virtual training environment for a user, and a communication device in the jth display establishes network connection with the router module; and the jth sensor device provides pose information for the jth attitude monitoring module.
Further, the gesture monitoring module that training position contained has the same structure, 1,2, in j, j gesture monitoring module adopts laser scanning location technique to acquire position appearance information, and j gesture monitoring module is provided with first laser emitter and second laser emitter, and laser emitter interval distance arranges for fix a position in horizontal and vertical direction. The separation distance is 2.5 meters.
All be equipped with photosensitive sensor on jth transmitter module, jth gun sight module, the interactive module surface of jth, provide the basis for the measurement of jth gesture monitoring module.
Furthermore, the server module is designed with a hardware device and a software system; the hardware device selects the existing server product and can provide an operating platform for the software system.
The server module comprises a software system which is provided with a communication subsystem, a virtual reality subsystem, a calculation and control subsystem and a training management database subsystem, wherein the communication subsystem is used for establishing a data channel for a local area network; the virtual reality subsystem transmits virtual scene data to a j-th interaction module in the j-1, 2.. and n through the communication subsystem; the calculation and control subsystem is used for analyzing the posture of the operator and the launching result of the virtual projectile and outputting an evaluation result; the training management database subsystem is used for storing training process and evaluation result information.
Furthermore, the virtual reality subsystem contained in the server module comprises a background virtual module, an explosion virtual module, an environment climate characteristic module, a sound effect virtual module, a sighting telescope use virtual module and a target virtual module, wherein the background virtual module is used for simulating an environment image in real training including a transmitter; the explosion virtual module is used for simulating images of different types of grenades in real training during explosion; the environment climate characteristic module is used for simulating climate characteristics in real training; the sound effect virtual module is used for simulating sound effects during explosion of various types of grenades and environmental climate characteristic sound effects; the sighting telescope uses a virtual module for providing an auxiliary shooting function; the target virtual module is used for simulating a virtual enemy target.
Background the background environments that the background virtual module can simulate include plain mode, mountain mode, pillbox mode, and trench mode.
The grenade types which can be simulated by the explosion virtual module comprise a grenade killing mode, a grenade burning mode, a high-explosive grenade mode, a grenade breaking and smoking mode, a lighting grenade mode, a training grenade mode and a programmable grenade mode;
the climate characteristics that the environmental climate characteristics module can simulate include a spring mode, a summer mode, a fall mode, a winter mode, and complex weather conditions in different climate combinations.
The types of targets that the target virtual module can simulate include a fixed-point target mode and a moving target mode.
Furthermore, a computer control subsystem contained in the server module comprises a pose calculation module, a trajectory calculation module and a comprehensive evaluation module; the pose calculation module is used for monitoring pose characteristic parameters in the training process of the wearer, wherein the measurable pose characteristic parameters comprise the foot distance and the arm distance when the wearer holds the emitter and the relative distance between the wearer and a corresponding j-th emitter module in j-1, 2. The trajectory calculation module is used for calculating a trajectory flight characteristic parameter curve and analyzing a final target hit data result along the curve; and the comprehensive evaluation module is used for recording information of comprehensively analyzing pose characteristic parameters, flight track characteristic parameters and hit rate.
The training management database subsystem contained in the server module is used for storing the data of the virtual reality subsystem and the data of the comprehensive evaluation module; and opening a data downloading and data management channel for the registered and authenticated user.
The virtual training method for grenade launching is further included, and based on the virtual training platform for grenade launching, the virtual training method is carried out according to the following steps:
s1: selecting a coach and n students to participate in a training mode;
s2: any 1 st, 2.. n student of n students enters a corresponding 1 st, 2.. n training position, and the 1 st, 2.. n student corresponds to the 1 st, 2.. n training position, and the equipment comprises: the system comprises a jth emitter module, a jth sighting telescope module, a jth interaction module and a jth posture monitoring module, wherein j is 1, 2.
S3: a coach starts a virtual training platform for grenade launching; the coach defines a training mode;
s4: any nth student in the n students assembles the jth emitter module and the jth sighting telescope module;
s5: any nth student in the n students wears the jth interaction module;
s6: any nth student in the n students is assumed to be distributed in the ith group, any one of the jth bipod and the jth tripod of the jth base device is selected based on the ith training scene displayed on the jth interaction module, and the jth angle sensing device on the jth sighting telescope module is adjusted according to the position and the distance of the target given by the jth fixed point target mode;
s7: after a transmitting instruction orally given by a coach is obtained, any nth student of the n students transmits the instruction based on the jth transmitter module; and observing dynamic images of the grenade launching, flying track and explosion process synchronously displayed in the jth interaction module;
s8: finishing the training; any nth student in the n students can register and log in a specified student account number on the server module, download a recent training report, learn from the recent training report and improve the shooting posture, and a coach can log in a specified coach account number on the server module and update background environment data, grenade variety data and climate characteristic data; and correcting a data evaluation algorithm in the software system.
Further, in step S3, the training pattern includes m training scenes, and the ith training scene in the 1 st to m training scenes needs to be specified as follows: any background environment which can be simulated by the background virtual module and any grenade type which can be simulated by the explosion virtual module; any climate characteristic which can be simulated by the environmental climate characteristic module; any type of target, coach P, that the target virtual module can simulate0Dividing n students into m groups, and designating an ith student to train according to an ith training scene, wherein i is 1, 2.
The training method is based on a virtual training platform, the training mode is flexible, and the method is not limited by time and field; by constructing a bullet flight model, the influence of environmental factors on a training result is accurately measured, so that the tactical ability of a trainee is more scientifically evaluated; the immersive experience is provided, and the danger of the traditional training method is basically avoided while the training effect is ensured.
Compared with the prior art, the invention has the advantages that: firstly, the training mode is flexible and is not limited by time and field, and compared with the traditional live-action training, the virtual launching method is adopted, the system does not need a special field, can be carried out indoors, has no special requirements on the indoor environment, solves the field problem of live-action training, and greatly reduces the training cost. Secondly, a training report is fed back in time, and advantages and disadvantages are clear at a glance; the method has the advantages that the bullet flight model is built, the simulation degree is high, the bullet flight process is simulated by comprehensively calculating the environmental parameters, the bullet flight error is more accurately calculated, whether the influence of the environmental factors exists or not is judged, and the evaluation on whether the target is hit or not is more scientific. And thirdly, the immersive experience is greatly improved in the aspects of vision, hearing and touch compared with the common virtual training platform, and the adopted simulation equipment does not cause unnecessary personal danger due to equipment use problems.
Drawings
Fig. 1 is a structural diagram of a virtual training platform for grenade launching provided by the invention.
Fig. 2 is a schematic diagram of monitoring the attitude of a virtual training platform for grenade launching provided by the invention.
Figure 3 is a schematic diagram of a virtual training platform software system for grenade launching.
Fig. 4 is a diagram of a background virtual module structure.
Fig. 5 is a diagram of an explosion dummy module structure.
Fig. 6 is a block diagram of an ambient climate characteristic module.
FIG. 7 is a diagram of a target virtual module architecture.
Reference numerals: 10. a training platform; 15. a router module; 16. a server module; j1, an emitter module; j2, a sighting telescope module; j3, interaction module; j4, an attitude monitoring module; j11, emitter body device; j12, electromagnetic braking device; j13, base means; j131, a bipod; j132, a tripod; j21, lens body means; j22, angle sensing means; j31, display; j32, a sensor device; j41, a first laser emitter; j42, a second laser emitter; 161. a hardware device; 162. a software system; 31. a communication subsystem; 32. a virtual reality subsystem; 33. a calculation and control subsystem; 34. training a management database subsystem; 320. a default option; 321. a background virtual module; 322. an explosion virtual module; 323. an environmental climate characteristic module; 324. a sound effect virtual module; 325. the sighting telescope uses a virtual module; 326. a target virtual module; 3211. a plain mode; 3212. a mountain land mode; 3213. pillbox mode; 3214. trench mode; 3221. a grenade killing mode; 3222. a grenade burning mode; 3223. a high grenade mode; 3224. a broken nail grenade fuming grenade mode; 3225. illuminating the grenade mode; 3226. training a grenade mode; 3227. a programmable grenade mode; 3231. a spring mode; 3232. summer mode; 3233. autumn mode; 3234. a winter mode; 3235. complex weather conditions; 3261. a fixed point target mode; 3262. a moving target mode; 331. a pose calculation module; 332. a ballistic computation module; 333. and a comprehensive evaluation module.
Detailed Description
The invention will now be further described with reference to the following examples, which are not to be construed as limiting the invention in any way, and any limited number of modifications which can be made within the scope of the claims of the invention are still within the scope of the claims of the invention.
As shown in fig. 1, the virtual training platform 10 for grenade launching provided by the present invention includes: the training positions are 9 01-09 and are marked as training positions n, 1 router module 15 and 1 server module 16. The router module 15 is used for constructing a local area network; the server module 16 provides calculation and storage functions. The training positions 01-09 are the same in configuration, taking the training position n as an example, the training position n is provided with a transmitter module j1, a sighting telescope module j2, an interaction module j3 and an attitude monitoring module j4, and the sighting telescope module j2 is installed on the transmitter module j 1; the launcher module j1 is used for providing a virtual projectile launching function in simulation training; the sighting telescope module j2 simulates the function of a sighting telescope calibrating process; the interaction module j3 provides an information interaction channel; the posture monitoring module j4 provides a body posture and trajectory monitoring function, where n denotes the serial number of the training bit, and n is 1, 2. The training positions 01-09 provide independent training areas for operators, and each training position can accommodate one operator for training. The transmitter modules 11 to 91 (i.e., j1, j1, 2., 9), the sighting telescope modules 12 to 92 (i.e., j2, j1, 2., 9), the interaction modules 13 to 93 (i.e., j3, j1, 2., 9), and the attitude monitoring modules 14 to 94 (i.e., j4, j1, 2., 9) are connected to the local area network constructed by the router module 15, and are connected to the server module 16 through a network.
The transmitter modules 11 to 91 have the same structure, and in the case of j1, 2, the transmitter module j1 includes a transmitter body device j11, an electromagnetic braking device j12, and a base device j 13. The emitter body device j11 is provided with a card slot for providing a carrying platform for the sighting telescope module j2 and the electromagnetic braking device j12, and a communication device is arranged in the emitter body device j11 and is connected with the router module 15 through a network; the electromagnetic braking device j12 is provided with an iron core, a spring, an electrified coil, an impact head and a trigger and is used for providing recoil force for simulating the grenade launching; base means j13 includes two optional components: a bipod j131 and a tripod j 132.
The sighting telescope modules 12-92 have the same structure, wherein in j1, 2.. 9, any one of the sighting telescope modules j2 includes a lens body device j21 and an angle sensing device j 22. Wherein, a communication device is arranged in the lens body device j21 to establish network connection with the router module 15; the angle sensing device j22 is mounted on the lens body device j21, and is designed with a feedback circuit for providing virtual sighting telescope calibration data for the interaction module j 3.
The interaction modules 13 to 93 have the same structure, wherein any one of the interaction modules j3 in j1, 2. The display j31 adopts a VIVE head-mounted display of HTC company, provides a virtual training environment for a user, and the communication device in the display j31 is connected with the router module 15 through a network; the sensor device j32 provides pose information to the pose monitoring module j 4.
The attitude monitoring modules 14-94 have the same structure, wherein when j is 1,2, 9, any attitude monitoring module j4 adopts a laser scanning positioning technology to acquire attitude information. The posture monitoring module j4 is provided with a first laser emitter j41 and a second laser emitter j42, wherein the first laser emitter j41 and the second laser emitter j42 are arranged at an interval of 2.5 meters, as shown in fig. 2, and are used for positioning in the horizontal and vertical directions. The surfaces of the emitter module j1, the sighting telescope module j2 and the interaction module j3 are all provided with 10 photosensitive sensors, so that a basis is provided for measurement of the attitude monitoring module j 4.
The server module 16 is designed with a hardware device 161 and a software system 162. The hardware device 161 is a product of the existing server association-ST 2581 model, and provides an operating platform for the software system 162.
The software system 162 is designed with a communication subsystem 31, a virtual reality subsystem 32, a calculation and control subsystem 33, and a training management database subsystem 34, as shown in fig. 3. The communication subsystem 31 is configured to establish a data channel for the constructed local area network; the virtual reality subsystem 32 transmits virtual scene data to the interaction module j3 through the communication subsystem 31; the calculation and control subsystem 33 is used for analyzing the posture of the operator and the launching result of the virtual projectile and outputting an evaluation result; the training management database subsystem 34 is used for storing training process and evaluation result information.
The virtual reality subsystem 32 includes a background virtual module 321, an explosion virtual module 322, an ambient climate characteristics module 323, a sound effects virtual module 324, a scope usage virtual module 325, and a target virtual module 326. The background virtual module 321 is used for simulating an environment image in real training including a transmitter; the explosion virtual module 322 is used for simulating images of different types of grenades in real training during explosion; the environmental climate characteristic module 323 is used for simulating the climate characteristics in real training; the sound effect virtual module 324 is used for simulating sound effects during explosion of various types of grenades and environmental climate characteristic sound effects; the scope uses a virtual module 325 for providing auxiliary shooting functionality; target virtual module 326 is used to simulate a virtual enemy target. The default option 320 is a default value for the virtual reality subsystem 32.
As shown in fig. 4-7, the background environments that the background virtual module 321 can simulate include a plain mode 3211, a mountain mode 3212, a pillbox mode 3213, a trench mode 3214; the types of grenades that the explosion virtual module 322 can simulate include a grenade killing mode 3221, a grenade burning mode 3222, a high grenade blasting mode 3223, a grenade breaking and smoking mode 3224, a grenade lighting mode 3225, a grenade training mode 3226, and a programmable grenade mode 3227; the climate characteristics that the environmental climate characteristic module 323 can simulate include a spring mode 3231, a summer mode 3232, a fall mode 3233, a winter mode 3234, and a complex weather situation 3235 in different climate combinations; the types of targets that can be simulated by target virtual module 326 include fixed-point target mode 3261, moving target mode 3262. The default option 320 is a default value of the virtual reality subsystem 32, specifically, the background is virtualized as a plain mode 3211, the explosion is virtualized as a grenade killing mode 3221, the climate is virtualized as a spring mode 3231, and the target is virtualized as a fixed point target mode 3261.
The computer control subsystem 33 comprises a pose calculation module 331, a trajectory calculation module 332 and a comprehensive evaluation module 333. The pose calculation module 331 is configured to monitor pose characteristic parameters of the wearer during training, where the measurable pose characteristic parameters include a foot distance, an arm distance, and a relative distance from the launcher module j1 when the wearer holds the launcher; the trajectory calculation module 332 is configured to calculate a trajectory characteristic curve of trajectory flight and analyze a final hit data result to the target along the curve. The comprehensive evaluation module 333 is used for recording information of comprehensively analyzing pose characteristic parameters, flight track characteristic parameters and hit rate.
The training management database subsystem 34 is used for storing the data of the virtual reality subsystem 32 and the data of the comprehensive evaluation module 333; and opening a data downloading and data management channel for the registered and authenticated user.
The embodiment further provides a virtual training method for grenade launching, which is performed based on the training platform 10 according to the following steps:
s1: choose 1 coach P0And 9 trainees P1～P9Participating in training mode M1。
S2: student P1～P9Respectively enter respective training positions 01-09 and a student P1～P9The relationships between the training positions 01 to 09 and the transmitter modules 11 to 91, the sighting telescope modules 12 to 92, the interaction modules 13 to 93, and the posture monitoring modules 14 to 94 are listed in Table 1.
TABLE 1
S3: coach P0Starting the training platform 10; coach defines training mode M1. Training mode M1Involving a training scenario M11Training scenario M12. Training scenarioM11Including summer mode 3232, mountain mode 3212, burning grenade fixed point target mode 3222, shooting fixed point target mode 3261, training scene M12The mode includes autumn mode 3233, pillbox mode 3213, high-explosive grenade mode 3223 and shooting target mode 3261. Coach P0Appointing student P1～P4According to training scenario M11Executive, student P5～P9According to training scenario M12And (6) executing.
S4: the student P1～P9Any student PjThe emitter module j1 and the scope module j2 are assembled.
S5: the student P1～P9Any student PjWear the interaction module j 3.
S6: the student P1～P9Any student PjBased on the training mode scenario (M) displayed on the interaction module j311Or M12Table 1), selecting one of two options of the two legs j131 and the three legs j132 of the base device j13, and adjusting the angle sensing devices 122-922 on the sighting telescope module j2 according to the position and distance of the target given by the fixed point target mode 3261.
S7: get a coach P0After orally given launch instruction, said student P1～P9Any student PjTransmitting based on the transmitter module j 1; and dynamic images of the grenade launching, flying track and explosion process synchronously displayed in the interaction module j3 are observed.
S8: and finishing the training. Student P1～P9Any student PjThe server 16 can register and log in a designated student account, and download training reports for 5 times, so as to learn and improve shooting postures. Coach P0A designated coach account can be logged in the server module 16, and background environment data, grenade type data and climate characteristic data are updated; and to modify the data evaluation algorithm in the software system 162.
In the embodiment, the virtual training platform and the training method for grenade launching provided by the invention have the following three advantages: 1) the training mode is flexible and is not limited by time and field; compared with the traditional live ammunition training, the virtual launching method is adopted, so that the system does not need a special field, can be carried out indoors, has no special requirements on the indoor environment, solves the field problem of live ammunition training, and greatly reduces the training cost. 2) The training report is fed back in time, and the advantages and the disadvantages are clear at a glance; the method has the advantages that the bullet flight model is built, the simulation degree is high, the bullet flight process is simulated by comprehensively calculating the environmental parameters, the bullet flight error is more accurately calculated, whether the influence of the environmental factors exists or not is judged, and the evaluation on whether the target is hit or not is more scientific. 3) Compared with a common virtual training platform, the immersive experience is greatly improved in the aspects of vision, hearing and touch. And the adopted simulation equipment does not cause unnecessary personal danger due to equipment use problems.
Claims (2)
1. The utility model provides a virtual training platform of grenade transmission which characterized in that: the system comprises training positions 1,2, n, a router module (15) and a server module (16); the router module (15) is used for constructing a local area network; the server module (16) provides calculation and storage functions; the training positions 1,2, a, n provide independent training areas for operators, each training position 1,2, a, n can accommodate one operator for training, and the training positions 1,2, a, n are accessed to a local area network constructed by the router module (15) to establish network connection with the server module (16);
the training position 1, 2.. the training position n comprises an emitter module (j1), a sighting telescope module (j2), an interaction module (j3) and an attitude monitoring module (j 4); in the training positions 1, 2.. said n, the emitter module (j1) is used for providing a virtual projectile emitting function in virtual training; the sighting telescope module (j2) provides a function of simulating a sighting telescope calibrating process; the sighting telescope module (j2) is mounted on the emitter module (j 1); the interaction module (j3) is used for providing an information interaction channel; the posture monitoring module (j4) is used for providing a body posture and ballistic monitoring function; a transmitter module (j1), a sighting telescope module (j2), an interaction module (j3) and an attitude monitoring module (j4) of the training position 1,2, 1., n are connected into the local area network and are connected with a server module (16) through the network;
in j1, 2.. times, n, the j-th transmitter module (j1) includes a j-th transmitter body device (j11), a j-th electromagnetic braking device (j12), and a j-th base device (j 13); the jth emitter body device (j11) can provide a carrying platform for the jth sighting telescope module (j2) and the jth electromagnetic braking device (j12), and a communication device is arranged in the jth emitter body device (j11) and can establish network connection with the router module (15);
in j1, 2.., n, the j-th sighting telescope module (j2) includes a j-th lens body device (j21) and a j-th angle sensing device (j 22); the jth lens body device (j21) is internally provided with a communication device which can establish network connection with the router module (15); the jth angle sensing device (j22) is installed on the jth lens body device (j21), and is designed with a feedback circuit which can provide virtual sighting telescope calibration data for the jth interaction module (j 3);
in j1, 2.. times, n, the jth interaction module (j3) is of wearable design and comprises a jth display (j31) and a jth sensor device (j32), wherein the jth display (j31) provides a virtual training environment for a user, and a communication device in the jth display (j31) establishes network connection with the router module (15); the jth sensor device (j32) provides pose information for the jth attitude monitoring module (j 4);
in j1, 2.. times, n, a j-th posture monitoring module (j4) acquires posture information by adopting a laser scanning positioning technology, wherein the j-th posture monitoring module (j4) is provided with a first laser emitter (j41) and a second laser emitter (j42), and the first laser emitter and the second laser emitter are arranged at intervals and used for positioning in the horizontal direction and the vertical direction;
the server module (16) comprises a hardware device (161) and a software system (162); wherein the hardware device (161) can provide an operation platform for the software system (162), the software system (162) comprises a communication subsystem (31), a virtual reality subsystem (32), a computation and control subsystem (33), and a training management database subsystem (34), wherein the communication subsystem (31) is used for establishing a data channel for the local area network; the virtual reality subsystem (32) transmits virtual scene data to a j-th interaction module (j3) in j1, 2. The calculation and control subsystem (33) is used for analyzing the posture of an operator and the launching result of the virtual projectile and outputting an evaluation result; the training management database subsystem (34) is used for storing training process and evaluation result information;
the virtual reality subsystem (32) comprises a background virtual module (321), an explosion virtual module (322), an environmental climate characteristic module (323), a sound effect virtual module (324), a sighting telescope using virtual module (325) and a target virtual module (326), wherein the background virtual module (321) is used for simulating an environmental image in real training including a transmitter; the explosion virtual module (322) is used for simulating images of different types of grenades in real training during explosion; the environment climate characteristic module (323) is used for simulating the climate characteristics in real training; the sound effect virtual module (324) is used for simulating sound effects and environmental climate characteristic sound effects during explosion of various types of grenades; the scope uses a virtual module (325) for providing an auxiliary firing function; the target virtual module (326) is used for simulating a virtual enemy target;
the computing and control subsystem (33) included in the server module (16) comprises a pose computing module (331), a trajectory computing module (332) and a comprehensive evaluation module (333); the pose calculation module (331) is used for monitoring pose characteristic parameters in the training process of the wearer, wherein the measurable pose characteristic parameters comprise the foot distance and the arm distance when the wearer holds the emitter, and the relative distance between the measurable pose characteristic parameters and the corresponding j-th emitter module (j1) in j1, 2. The trajectory calculation module (332) is used for calculating a trajectory flight characteristic parameter curve and analyzing a final target hit data result along the curve; the comprehensive evaluation module (333) is used for recording information of comprehensive analysis pose characteristic parameters, flight track characteristic parameters and hit rate.
2. A virtual training method for grenade launching is characterized in that: the virtual training platform for grenade launching based on the claim 1 is carried out according to the following steps:
s1: selecting a coach and n students to participate in a training mode;
s2: the 1 st, 2, of the n trainees, the n trainees enter the corresponding 1 st, 2, n training position, and the 1 st, 2, n trainees are at the 1 st, 2, n corresponding equipment of training position including: a jth emitter module (j1), a jth sighting telescope module (j2), a jth interaction module (j3) and a jth posture monitoring module (j4), wherein j is 1,2,. and n;
s3: a coach starts the grenade launching virtual training platform (10); coach defines the training mode;
s4: any student of the n students assembles the j-th emitter module (j1) and the j-th sighting telescope module (j 2);
s5: any student of the n students wears the j-th interaction module (j 3);
s6: any student of the n trainees, assuming that the student is distributed in the ith group, based on the ith training scene displayed on the jth interaction module (j3), selecting any one of the jth bipod (j131) and the jth tripod (j132) of the jth base device (j13), and adjusting the jth angle sensing device (j22) on the jth sighting telescope module (j2) according to the target position and distance given by the jth fixed point target mode (3261);
s7: after a transmitting instruction orally given by a coach is obtained, any student of the n students transmits the instruction based on a j transmitter module (j 1); and observe the dynamic images of the grenade launching, flying track and explosion process synchronously displayed in the jth interactive module (j 3);
s8: finishing the training; any student of the n students can register or log in a specified student account number in the server module (16), download a recent training report, learn from the recent training report and improve the shooting posture, and a coach can log in a specified coach account number in the server module (16) and update background environment data, grenade variety data and climate characteristic data; and correcting a data evaluation algorithm in the software system.
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