CN116301354A - Rocket propellant filling simulation system based on AR technology - Google Patents
Rocket propellant filling simulation system based on AR technology Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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Abstract
The invention discloses a rocket propellant filling simulation system based on an AR technology, wherein the rocket propellant is liquid hydrogen, and the system comprises a data acquisition module, a data analysis module, an equipment modeling module and an AR interaction system; the data acquisition module acquires the data of the filling system and transmits the data to the data analysis module; the data analysis module analyzes the filling system data and transmits an analysis result to the equipment modeling module; the equipment modeling module carries out equipment modeling according to the analysis result to construct a filling system three-dimensional digital model and a filling system 3D printing model; the AR interaction system comprises a display module and an interaction module. The intelligent interaction of the filling environment and the virtual information can be realized, the training process is not limited by sites, weather and equipment, the risk is avoided, the intelligent interaction can be repeatedly used, the training cost is greatly reduced, and the acceptance of trained personnel is improved.
Description
Technical Field
The invention relates to the field of low-temperature propellant filling simulation, in particular to a rocket propellant filling simulation system based on an AR technology.
Background
The liquid hydrogen is a propellant widely applied to large carrier rockets due to the characteristics of no toxicity, no pollution, high specific impulse and the like, but has a huge risk in the filling process due to the low boiling point and easy combustion. In order to ensure that the space launching task is successfully completed, the propellant filling system is an important component part of the space launching system, liquid hydrogen is used as a propellant, and the filling task is accurately completed on time, so that the propellant filling system is a precondition for ensuring the space launching. The operation of the liquid hydrogen filling system needs good theoretical learning and practical operation training, and the traditional filling system training and practical installation training have the problems of lag training mode, low enthusiasm of trained personnel, poor interaction between people and equipment, high training cost, insufficient practical training equipment, separation of theory and practical operation, poor training effect and the like.
Disclosure of Invention
In order to solve the problems, the invention provides a rocket propellant filling simulation system based on AR technology, which is combined with the AR technology, utilizes a computer to generate realistic real environments of vision, hearing, force, touch, movement and the like, realizes the technology of directly carrying out natural interaction between a user and the environment through various sensor devices, enhances the reality experience, provides an extensible informationized universal system for filling station personnel to develop full-element and full-flow operation maintenance training, furthest improves the professional knowledge level of the filling personnel and the degree of default of cooperative operation of actual operation skills, and finally realizes the cultivation targets of 'understanding principle, operation and treatment' of the filling personnel. The training quality is ensured, the training cost is greatly reduced, and the acceptance of trained personnel is improved.
The specific technical scheme is as follows: the rocket propellant filling simulation system based on the AR technology comprises a data acquisition module, a data analysis module, an equipment modeling module and an AR interaction system, wherein the rocket propellant is liquid hydrogen;
the data acquisition module is used for acquiring the data of the filling system and transmitting the data to the data analysis module;
the data analysis module is used for analyzing the filling system data and transmitting an analysis result to the equipment modeling module;
the equipment modeling module is used for carrying out equipment modeling according to the analysis result to construct a filling system three-dimensional digital model and a filling system 3D printing model;
the AR interaction system comprises a display module and an interaction module, and is used for displaying and performing man-machine interaction by utilizing the filling system three-dimensional digital model and the filling system 3D printing model.
Preferably, the filling system data comprises data of a liquid hydrogen storage tank, a hydrogen combustion tank, a rocket, a filling and discharging connector and a vacuum pipeline;
the analysis result includes: structural parameters of the vacuum pipeline, the liquid hydrogen storage tank, the hydrogen combustion tank, the rocket and the charging and discharging connector, and the relation between the pressure and the temperature in the vacuum pipeline and the starting and stopping time of each valve.
Preferably, the device modeling module is used for modeling the three-dimensional digital model of the filling system data in a SolidWorks or 3DMAX engineering software mode to construct the three-dimensional digital model of the filling system.
Preferably, the device modeling module is used for performing 3D printing, slicing, forming, post-processing, assembling and connecting according to the filling system three-dimensional digital model to construct a filling system 3D printing model.
Preferably, the display module comprises a filling scene display sub-module and a device display sub-module, wherein the filling scene display sub-module comprises a main scene and sub-scenes, and allows a user to enter each sub-scene through the main scene.
Preferably, the main scene comprises a liquid hydrogen storage tank, a hydrogen combustion tank, a rocket, a charging and discharging connector and a vacuum pipeline.
Preferably, the sub-scene includes video playing, text explaining, decomposing and combining of all scenes in the main scene, and is used for displaying the structure, composition, function or principle of the device.
Preferably, the data acquisition module is further configured to acquire real scene data, and the AR interaction system is further configured to fuse the real scene data with the filling system three-dimensional digital model and the filling system 3D printing model.
Preferably, the AR interactive system comprises a head-mounted display, and the fusion of the real scene data with the filling system three-dimensional digital model and the filling system 3D printing model is realized by using the head-mounted display.
Preferably, the interaction module comprises a device disassembly module and a man-machine interaction module.
According to the rocket filling simulation system based on the AR technology, which is provided by the invention, a user performs natural interaction with a real filling environment through the system, and the rocket filling process entity equipment, namely liquid hydrogen filling process equipment, is fused with system virtual information by combining the AR technology, so that intelligent interaction of the real filling environment and the virtual information in a training system is realized, and therefore, the experience and experience of the user filling process are ensured, the real operation environment is realized, and the human-computer interaction is friendly. The training effect of the filling system and the enthusiasm of users to participate in training are improved, the training pertinence is strong, an extensible informationized universal system is provided for the users to develop full-element and full-flow operation maintenance training, the professional knowledge level, the actual operation skills and the cooperative operation default degree of the users are improved to the maximum extent, the training targets of 'understanding principle, operation and treatment' of the filling users are finally realized, and the trained quality is ensured. The training process is not limited by sites, weather and equipment, is risk-free and reusable, greatly reduces the training cost, has high acceptance of the training content by users, and has good training effect.
Drawings
FIG. 1 shows a schematic flow structure diagram of a rocket filling simulation system based on AR technology;
FIG. 2 shows a schematic diagram of a main scene structure of the rocket filling simulation system based on the AR technology;
FIG. 3 shows a schematic view of a split scene structure in the AR technology-based rocket filling simulation system of the present invention;
wherein, 1-storage tank, 2-hydrogen combustion tank, 3-rocket, 4-adding and discharging connector, 5 vacuum pipeline, 6-liquid level sensor, 7-exhaust pipe, 8-exhaust valve, 9-pressure sensor.
Description of the embodiments
The following detailed description of the embodiments of the present application is provided in further detail, and it is apparent that the described embodiments are only some, but not all, examples of the present application. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.
The terms first, second, and the like in the description and in the claims, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments described herein may be implemented in other sequences than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements that are expressly listed or inherent to such process, method, article, or apparatus.
It should be understood that the term "and/or" as used herein is merely one relationship describing the association of the associated objects, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
Examples
Aiming at the problems that the training mode of rocket filling, namely liquid hydrogen filling process, is backward, the enthusiasm of trained personnel is low, the interaction between personnel and equipment is high, the training cost is high, the effect is poor and the like in the prior art, the invention provides a rocket propellant filling simulation system based on an AR technology, which can be applied to filling flow demonstration and real environment simulation training of a liquid hydrogen filling system in training teaching, and builds a set of solid model of the liquid hydrogen filling system for observation, virtual information and physical equipment are fused through the AR technology, and intelligent interaction between the physical equipment and system virtual information is realized, so that the feeling and experience of the real filling process are ensured, and the training effect of the filling system and the enthusiasm of the trained personnel are improved.
FIG. 1 is a schematic diagram of the design flow structure of a rocket filling simulation system based on AR technology, comprising: the device comprises a data acquisition module, a data analysis module, a device modeling module and an AR interactive system.
The data acquisition module is used for acquiring the data of the liquid hydrogen filling system and transmitting the data to the data analysis module; preferably, the collected data comprises data of a liquid hydrogen storage tank, a hydrogen combustion tank, a rocket, a filling and discharging connector and a vacuum pipeline in the liquid hydrogen filling system; but also for acquiring real scene data.
The data analysis module is used for analyzing the data of the liquid hydrogen filling system and transmitting an analysis result to the equipment modeling module;
the equipment modeling module is used for carrying out equipment modeling according to the analysis result to construct a filling system three-dimensional digital model and a filling system 3D printing model;
the AR interaction system comprises a display module and an interaction module, and is used for training by utilizing the filling system three-dimensional digital model and the filling system 3D printing model.
The equipment modeling module firstly carries out three-dimensional digital model modeling of the filling system, then builds a 3D printing model of the filling system according to the three-dimensional digital model, and the specific working process of the equipment modeling module comprises the following steps:
modeling a three-dimensional digital model of the filling system: the data acquisition module acquires data information of a rocket filling system, preferably, acquires data of a liquid hydrogen storage tank, a hydrogen combustion tank, a rocket, a filling and discharging connector and vacuum pipeline equipment in the rocket filling system, acquires data information of main equipment of the rocket filling system by means of consulting technical data, field investigation and the like, and the data analysis module analyzes the acquired data information and analyzes all data logics in the filling process so as to facilitate subsequent modeling, and the data acquisition module comprises the following steps: structural parameters of a vacuum pipeline, a liquid hydrogen storage tank, a hydrogen combustion tank, a rocket and a charging and discharging connector, and the relation between the pressure and the temperature in the vacuum pipeline and the starting and stopping time of each valve.
And modeling a three-dimensional digital model of the filling system according to the data information analysis result, and preferably, constructing the model by adopting engineering software such as SolidWorks, 3DMAX and the like.
Modeling a filling system 3D printing model: according to the existing filling system three-dimensional digital model, a 3D printing device is used for obtaining a required device 3D printing model, printing, slicing, forming, post-processing and other operations are performed on the printing model, and then the scattered printing model is assembled and connected to construct a whole set of filling system 3D printing model.
According to the AR technology-based rocket filling simulation system, the AR interaction system aims at integrating real liquid hydrogen filling environment information and system virtual information in a seamless mode, multimedia, multi-sensor, scene fusion, three-dimensional modeling, real-time video display and control technologies are applied, real scene data are collected through a camera or a sensor and are transmitted into a background processor unit to be reconstructed, alignment of a real scene data coordinate system and fusion of virtual scenes are achieved, the fusion system is finally displayed in a head-mounted display, and in the training process, a user can finish man-machine interaction by wearing the head-mounted display to operate.
The AR interaction system comprises a display module and an interaction module. The display module comprises a filling scene display sub-module and a device display sub-module, wherein the filling scene display sub-module comprises a main scene and sub-scenes, and allows a user to enter each sub-scene through the main scene. The interaction module is built based on teaching materials and software interaction design and comprises a device disassembly module and a man-machine interaction module, and preferably, the device disassembly module is used for disassembling a 3D printing model of the filling system, and the man-machine interaction module is used for realizing fusion of a real scene and a simulation scene based on a head-mounted display.
The filling scene display comprises a main scene and a sub-scene, wherein fig. 2 shows a main scene structure schematic diagram of the rocket filling simulation system based on the AR technology, and fig. 3 shows a sub-scene structure schematic diagram of the rocket filling simulation system based on the AR technology.
As shown in fig. 2, the main scene is a primary menu operation, the main scene unit comprises a storage tank 1, preferably a liquid hydrogen storage tank, a hydrogen combustion tank 2, a rocket 3, an adding and discharging connector 4, a vacuum pipeline 5 and other devices, a user can select a specific main scene to enter any scene unit according to requirements to perform scene separation operation, preferably, one liquid hydrogen storage tank scene is shown in fig. 3, the liquid hydrogen storage tank scene is a secondary menu operation corresponding to the liquid hydrogen storage tank in the primary menu operation, and in addition, the main scene unit can also comprise scenes corresponding to the hydrogen combustion tank 2, the rocket 3, the adding and discharging connector 4, the vacuum pipeline 5 and other devices.
As shown in fig. 3, a liquid hydrogen storage tank sub-scene is selected, wherein the liquid hydrogen storage tank comprises a storage tank 1, the storage tank 1 is provided with a sensor 6, an exhaust pipe 7, an exhaust valve 8 and a pressure sensor 9, the sub-scene selects specific operation contents according to requirements, and the operation contents comprise functions of video playing, text explanation, decomposition, combination and the like of the storage tank 1, the sensor 6, the exhaust pipe 7, the exhaust valve 8 and the pressure sensor 9. The scene structure diagram can show the contents of the structure, the composition, the function, the principle and the like of the medium equipment of the liquid hydrogen filling system, and the real scene data is fused with the three-dimensional digital model of the filling system and the 3D printing model of the filling system through the AR interactive system, so that the calibrated demonstration and training targets are achieved.
Through the organic fusion of the three-dimensional digital model of the filling system, the 3D printing model of the filling system and the real scene data, the rocket filling simulation system based on the AR technology can realize the following functions: the intelligent interaction between the entity equipment and the virtual information is realized, so that augmented reality liquid hydrogen filling training experience is provided; the system utilizes the camera and the sensor to automatically identify the equipment model and construct a virtual scene of the equipment, the model in the virtual scene can be split, zoomed, rotated and the like, and the equipment is disassembled and assembled particularly through gesture interaction, so that the demonstration effect is improved, and the learning knowledge of the equipment is more comprehensive; the head-mounted display of the system has a certain man-machine interaction function, a plurality of filling training modes are contained in the head-mounted display, trained personnel can select a required training mode for demonstration according to the field environment, in addition, the system also has a structural principle explanation function, such as the function of a hydrogen combustion tank, the structural working principle of a liquid hydrogen storage tank and the like, and part of explanation videos are contained in the head-mounted display and can be selectively played and watched according to requirements; the 3D printing model display can be assisted, and the filling system 3D printing model constructed by adopting three-dimensional design software and 3D printing equipment can be used for system observation.
At present, the training of the filling system mostly adopts traditional teaching and practical training, and the traditional teaching has the problems of laggard training mode, single training means, poor experience of trained personnel and the like. The system realizes the diversification of training modes, combines the virtual simulation scene simulated by the computer with the entity equipment, and provides augmented reality training experience for trained personnel. Meanwhile, the rocket filling simulation system based on the AR technology can be used for trainee to learn sightseeing and combining, and can be assembled and combined by oneself to understand the filling flow of the rocket filling system, so that training quality is ensured, training cost is greatly reduced, and the acceptance of trainee is improved.
It should be understood that the foregoing examples of the present invention are provided merely for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention, and that various other changes and modifications may be made therein by one skilled in the art without departing from the spirit and scope of the present invention as defined by the appended claims.
Claims (10)
1. The rocket propellant filling simulation system based on the AR technology is characterized in that the rocket propellant is liquid hydrogen, and the system comprises a data acquisition module, a data analysis module, an equipment modeling module and an AR interaction system;
the data acquisition module is used for acquiring the data of the filling system and transmitting the data to the data analysis module;
the data analysis module is used for analyzing the filling system data and transmitting an analysis result to the equipment modeling module;
the equipment modeling module is used for carrying out equipment modeling according to the analysis result to construct a filling system three-dimensional digital model and a filling system 3D printing model;
the AR interaction system comprises a display module and an interaction module, and is used for displaying and performing man-machine interaction by utilizing the filling system three-dimensional digital model and the filling system 3D printing model.
2. The AR technology based rocket propellant charge simulation system of claim 1 wherein the charge system data includes data for a liquid hydrogen tank, a hydrogen fuel tank, a rocket, a charge-discharge connector, and a vacuum line;
the analysis result includes: structural parameters of the vacuum pipeline, the liquid hydrogen storage tank, the hydrogen combustion tank, the rocket and the charging and discharging connector, and the relation between the pressure and the temperature in the vacuum pipeline and the starting and stopping time of each valve.
3. A rocket propellant filling simulation system based on AR technology according to claim 1, wherein the device modeling module is configured to model the filling system data in a three-dimensional digital model by means of SolidWorks or 3DMAX engineering software, and construct a three-dimensional digital model of the filling system.
4. The AR technology-based rocket propellant filling simulation system according to claim 1, wherein the device modeling module is configured to perform 3D printing, slicing, shaping, post-processing, assembling, and connecting according to the filling system three-dimensional digital model, and construct a filling system 3D printing model.
5. A rocket propellant priming simulation system based on AR technology according to claim 1, wherein the presentation module comprises a priming scene presentation sub-module and a device presentation sub-module, the priming scene presentation sub-module comprising a main scene and sub-scenes and allowing a user to enter each sub-scene through the main scene.
6. The AR technology based rocket propellant filling simulation system according to claim 5, wherein the main scenario comprises a liquid hydrogen storage tank, a hydrogen combustion tank, a rocket, a fill and release connector, and a vacuum line.
7. The AR technology based rocket propellant simulation system according to claim 5 wherein the split scenes include video play, text narration, decomposition and integration of all of the main scenes for displaying device structure, composition, function or principle.
8. A rocket propellant filling simulation system based on AR technology according to claim 1, wherein the data acquisition module is further adapted to acquire real scene data, and the AR interaction system is further adapted to fuse the real scene data with the filling system three-dimensional digital model and the filling system 3D printing model.
9. The rocket propellant priming simulation system based on AR technology according to claim 8, wherein the AR interaction system comprises a head mounted display with which the fusion of the real scene data with the priming system three-dimensional digital model and priming system 3D printing model is achieved.
10. The AR technology-based rocket propellant simulation system according to claim 1, wherein the interaction module comprises a device disassembly module and a human-machine interaction module.
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