CN108597037A - A kind of virtual reality antenna modeling system - Google Patents
A kind of virtual reality antenna modeling system Download PDFInfo
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- CN108597037A CN108597037A CN201810434739.1A CN201810434739A CN108597037A CN 108597037 A CN108597037 A CN 108597037A CN 201810434739 A CN201810434739 A CN 201810434739A CN 108597037 A CN108597037 A CN 108597037A
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- 238000004088 simulation Methods 0.000 claims abstract description 7
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- 238000009432 framing Methods 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 28
- 230000006870 function Effects 0.000 claims description 14
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 230000000386 athletic effect Effects 0.000 claims description 3
- 230000006855 networking Effects 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims 1
- 230000008676 import Effects 0.000 claims 1
- 230000003245 working effect Effects 0.000 claims 1
- 238000012549 training Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000005538 encapsulation Methods 0.000 abstract description 3
- 238000007726 management method Methods 0.000 description 23
- 230000005540 biological transmission Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
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- 230000033001 locomotion Effects 0.000 description 4
- 241001269238 Data Species 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 201000006549 dyspepsia Diseases 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T19/00—Manipulating 3D models or images for computer graphics
- G06T19/006—Mixed reality
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- 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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Abstract
A kind of virtual reality antenna modeling system, including an antenna control unit, antenna modeling unit, device management unit and digital sensor, antenna control unit provides this control, far two kinds of control modes of control, the azimuth information of ship can be arranged in antenna control unit under master control, the lower reception for realizing bearing data of remote control is calculated through satellite parametric reduction, encapsulation framing is sent to antenna modeling unit and device management unit.The model of antenna is designed by 3DS Max in antenna modeling unit, and by the dynamic antenna of Unity 3D engines real-time rendering three-dimensionals, analog demenstration goes out posture and the action of antenna, and projects on VR/AR glasses devices.The data that device management unit real-time display receives can be configured antenna control unit parameter under remote control.Digital sensor generates the information such as orientation, and the latitude and longitude information that simulation is actually equipped is provided for antenna control unit.The appearance of virtual-antenna and operation are completely the same with physical device, are provided by virtual reality technology and are more convenient efficient training tool.
Description
Technical field
The present invention relates to the antennas in maritime affairs or military satellite communication training to star problem, for used in satellite communication
Antenna volume is big, pedestal weight, control is complicated, the problems such as being difficult to be arranged into scene, practical posture indigestion, in conjunction with antenna
Actual state uses newest virtual reality technology, a kind of virtual reality antenna modeling system is devised, using PC screens
And VR/AR glasses, it realizes the Three-dimensional Display of antenna attitude and action, improves trained efficiency.
Background technology
Since the nineteen fifty-seven former Soviet Union transmits first man made earth satellite, satellite communication is just widely used in communication
The advantages that broadcasting, the fields such as TV, possessing wide coverage, long transmission distance, transmission frequency bandwidth, big message capacity.Wherein
Satellite mobile communication is to provide communication service between mobile subscriber, fixed user, and there is overlay area more extensively, not by geography to hinder
Hinder the advantages such as constraint and user movement limitation.Compared with mobile communication, satellite communication biggest advantage is to realize high data speed
Transmission, high maneuverability and the seamless link of rate.In maritime affairs or military field, satellite communication equipment is largely used.And antenna
An essential part exactly in satellite communication equipment.Antenna is as transmitting in wireless communication field and receives electromagnetic wave signal
Carrier, suffer from and be widely applied in the engineerings such as TV, broadcast, radar, use electromagnetic waves to transmit information system all
It works against antenna.In Modern Satellite communication system, more and more satellites, which are capable of providing on the star of super large, to be turned
Power is sent out, reduces the requirement to mobile terminal by improving the gain of satellite, this makes ground-plane antenna terminal increasingly approach
In miniaturization, portability.
Since antenna equipment is related to a large amount of professional knowledge, it is therefore desirable to which practical operation personnel carry out antenna to star problem
Theoretical operation study.However, in practical operation, there are following several respects：(1) institute in actual satellite communication
Antenna equipment costly, is difficult to directly be learnt with physical device at present；(2) antenna body used in satellite communication
Product is big, pedestal weight, control is complicated, is difficult to be arranged into scene, practical posture indigestion；(3) in maritime project, if directly
Training of going to sea is carried out, the consumption of materials is big, costly；(4) physical device reliability is high, and failure is difficult to reappear, and has been not easy
Targetedly learn.
Virtual reality technology is to generate a kind of simulated environment using computer, and pass through a variety of special equipments such as VR/AR
Mirror makes in user's " input " to the environment, realizes that user directly carries out a brand-new comprehensive letter of natural interaction with the environment
Breath technology.The purpose is to which the natural technical ability of user user can be allowed to investigate or operate the object in virtual world, simultaneously
Offer depending on, the intuitive and natural real-time perception such as listen, touch.It provides a kind of completely new skill for modern training, educational undertaking
Art is supported.Therefore, developing a kind of virtual reality antenna modeling system just becomes urgent demand.
The present invention devise it is a kind of for solve satellite communication in the relevant trained problem of antenna equipment develop it is virtual show
Real antenna modeling system.Relative to the practical equipment of satellite antenna, entire simulation system is devised based on virtual reality technology, is protected
All features in original physical device, the antenna appearance of simulation and operation have been stayed all to equip completely the same, Ke Yi with practical
Experienced in simulation system it is upper with practical equipment as operating effect, antenna control unit (Antenna Control Unit,
ACU) there are this control and far two kinds of control modes of control, the control mode of this control can be used in ACU, voluntarily adjustment is special as needed
Parameter is levied, or ACU is sent under remote prosecutor formula and is instructed.And device management unit has been newly increased on this basis, has made it
Under the premise of can simulate all operations of original equipment, for maritime affairs or military satellite communication simulating actual conditions, it can facilitate
Ground shows ACU equipment states, preserves various aerial information parameters.Antenna modeling unit utilizes Unity 3D on the computer screen
Real-time rendering goes out the 3 d pose of antenna, replaces original antenna equipment, and space is small, the arrangement convenient for place and student couple
The observation of antenna attitude understands that the rendering effect of Unity3D can both be shown on a pc screen, can also project VR/AR
On mirror, allows user to put into person wherein, so as to vivider understand the basic principle of antenna.
Invention content
The problem to be solved in the present invention is：Antenna equipment in real satellite communication equipment be difficult to directly apply to maritime affairs or
In the satellite communication teaching and training of person's military affairs, need one can simulate actual antennas posture and action during satellite communication
Antenna simulator.
The technical scheme is that：A kind of virtual reality antenna modeling system, including antenna control unit, an antenna
It is complete with physical device in appearance and operation to simulate the dimensional antenna come for analogue unit, device management unit and digital sensor
It is complete consistent, keep training process more succinct effective, antenna control unit and antenna modeling unit are virtual reality antenna modeling systems
The core cell of system.
Antenna control unit is one piece of circuit board as master control, journey by the ARM core piece STM32F103ZET6 of ST companies
Sequence is write by C, it is main complete LCD drivings, key response, CAN bus and 485 bus communications and the setting of unit intrinsic parameter and
The work of preservation realizes that the reception of data, satellite parametric reduction calculate, encapsulation framing is sent to antenna modeling unit and equipment management list
Member.On the one hand STM32F103ZET6 in the unit is communicated with device management unit to ensure that data are synchronous by 485 buses,
On the other hand the interaction with operating personnel is realized by button and LCD screen.Can taking human as setting simulation GPS or compass etc.
Bearing data, it is automatic carry out satellite from motion tracking.
Antenna modeling unit is made of a PC, and using Unity 3D rendering engines, script is write using C#, is realized virtual
The 3D display and action control of antenna attitude.The model of antenna is designed by 3DS Max, will according to the athletic posture of actual antennas
Model is divided into four component parts, including azimuth axis, pitch axis, intersecting axle and pedestal.Application program passes through serial ports and day line traffic control
Unit communication processed, according to the antenna parameter that is arranged in antenna control unit calculate various pieces rotary shaft and rotation angle simultaneously
Rendering model makes it simulate motion state when actual antennas is rotated around pitch axis, azimuth axis and intersecting axle, by model
Each component part is loaded and is drawn out, and provides observation.Simultaneously antenna modeling unit can also simulate actual antennas automatically with
The function of track satellite avoids actual antennas to teaching place so as to substitute actual antenna for imparting knowledge to students and training
The requirement of space environment and electromagnetic environment.In addition, GPS or compass that antenna modeling unit can be simulated according to digital sensor
Etc. the position datas adjust automatically posture of itself, complete the operation to star, pass through the ginseng in serial communication and antenna control unit
Number synchronizes the effect for having simulated practical equipment.The use of Unity 3D engines, expands to but also this unit is provided with
The ability of the task equipments such as VR/AR glasses.
Device management unit is a PC, and the application program above device management unit is write by C# and day line traffic control
Unit is by 485 bus networkings, and by device management unit as host, antenna control unit passes through equipment management as slave
Unit initiates poll, the operating condition and detail parameters of obtaining unit, and is shown by gui interface, and in equipment pipe
The parameter of each unit can also be set on the interface of unit by managing, and set the parameter of completion equally also by 485 buses
It issues.It is easy for increasing new function module in the future using 485 bus modes, is connected to bus as slave, unification is by equipment
Manager is polled management, increases the scalability of system function.
Virtual reality antenna modeling system of the present invention has carried out design again to satellite communication antena module, can simulate
Go out the function of actually equipping, while can cooperate with control unit, antenna modeling unit, facilitates observation and study, this
System overcomes the difficulty that actual antennas equipment volume is big, and pedestal weighs, and takes full advantage of the virtual reality technology of modernization, improves
Training effectiveness of the fields such as maritime affairs and military affairs in Principle of Antenna, working mechanism, practical operation.
Description of the drawings
Fig. 1 is overall structure block diagram of the present invention.
Fig. 2 is bus topolopy figure of the present invention.
Specific implementation mode
Virtual-antenna overall system architecture block diagram of the present invention is as shown in Figure 1, include antenna control unit, an antenna modeling
Unit, device management unit and digital sensor, the appearance of antenna modeling and operation are completely the same with physical device.Its line traffic control
Unit and antenna modeling unit are the core cells of virtual reality antenna modeling system, and antenna control unit realizes connecing for data
It receives, satellite parametric reduction calculates, encapsulation framing is sent to antenna modeling unit and device management unit.Antenna modeling unit passes through
The dynamic antenna of Unity 3D engines real-time rendering three-dimensionals, analog demenstration go out posture and the action of antenna.Device management unit is real
When show the data that receive, and the parameter value of antenna control unit can be configured.Digital sensor generates orientation etc.
Information provides valid data for system.Antenna control unit, device management unit and antenna modeling unit are all PC, wherein day
Line analogue unit is communicated by serial ports and antenna control unit.
Digital sensor is using the sensor of the simulation of STM32 exploitations, and function includes realizing the boat for randomly generating ship
To information such as, longitudes and latitudes, it is encapsulated as data packet, antenna controller is sent to by CAN bus.CAN bus also provides well
Expansion capacity, virtual sensor node can be increased as needed.Data information is filled into datapacket arrays,
Including longitude (two ranges of ship's head (ranging from 0~360 degree), ship：150 degree~180 degree, -180 degree~-150
Degree) and ship latitude (ranging from 0~30 degree).Antenna control unit receives data packet triggering interrupt event production by CAN bus
It is raw, from register read data to Rx, data packet is parsed, is retransmited to antenna modeling unit and device management unit.
Device management unit is a PC, and the application program above device management unit is write by C# and day line traffic control
For unit by 485 bus networkings, device management unit, which is connected to by serial ports on eight tunnels, 485 line concentration converter, is used as host, day
Line traffic control unit initiates poll, the operating condition and detail parameters of obtaining unit, parameter as slave, by device management unit
It is encapsulated in the data frame of variable-length, to realize that data show the work with data communication.The application journey of device management unit
Sequence is showed by good visualization interface, using the information of SQL Server database purchase users, can create user,
After user logs in, it can check the information that previous user logs in, check the connection of antenna control unit and the reality of control unit
When parameter, and shown by gui interface, and under remote control pattern, can also be to day on the interface of device management unit
The parameter of line traffic control unit is set, and the parameter for setting completion is equally issued also by 485 buses.If in device management unit
Middle order is set as tracking, then ACU can read the ship in digital sensor to the information such as longitude and latitude, star is tracked and grasp
Make, ACU buttons are in non-enabled state at this time.It is easy for increasing new function module in the future using 485 bus modes, be connected to
Bus is polled management by equipment manager, increases the scalability of system function as slave, unification.
STM32F103 ZET6 Programs are write by C in antenna control unit, it is main complete LCD drivings, key response,
The work of CAN bus and 485 bus communications, unit intrinsic parameter setting and preservation.Main control chip passes through MAX3485 chips by CMOS
Level conversion is 485 signal levels.Communication between STM32 and device management unit needs to follow identical communication protocol, by
It is different in the parameter type and number of each subelement of unit, thus it is used herein be variable-length data frame, frame
Shown in format is defined as follows：
| Frame head | Address | Length | Data | Verification | Postamble |
Wherein, frame head accounts for 3 bytes, is followed successively by：0x55,0xAA, 0x7E；Address accounts for a byte, shows the frame data
The destination address of transmission；Length accounts for a byte, shows the length shared by data segment；Data segment as needs the data transmitted；
Verification is divided into two bytes, and one is total check, the other is exclusive or check；Postamble accounts for a byte, is 0x0D.Using can
Become the convenient Function Extension for increasing module newly in the future of data frame of length.The method that data transmission is received using interruption, inquiry is sent,
The serial ports for opening STM32 receives interruption, receives a byte every time and is put into interrupt service routine, in interrupt service routine
It is middle to handle the data that receive, send successful flag bit in addition, being checked continually in the transmission function of data, etc. current datas
Next byte is retransmited after sending successfully.STM32 be responsible for one piece of LCD display and 6 buttons it is corresponding upper respectively,
Under, it is left and right, determining and return.The design of menu interface is mainly integrated by an Array for structural body, by structure
Function pointer calls menu drafting function, corresponding menu is drawn out on the lcd screen, it is thus achieved that redirecting between menu.
A key assignments array is preserved in firmware simultaneously, occurred menu drafting function is safeguarded in array.
Antenna modeling unit is made of task equipments such as a PC and VR/AR glasses, and control script is write using C#, so as to
Unity 3D rendering engines are into line interface.The model of antenna is designed by 3DS Max, according to the athletic posture of actual antennas by mould
Type is divided into four component parts, respectively：Pedestal, azimuth axis, pitch axis and intersecting axle.Script is controlled by Unity 3D by mould
Each component part of type is loaded and is drawn out, and is communicated with the antenna control unit in satellite communication unit by serial ports,
The parameter for obtaining antenna control unit in unit, simultaneously according to the rotary shaft of the parameter setting various pieces of acquisition and rotation angle
Rendering model makes it simulate motion state when actual antennas is rotated around pitch axis, azimuth axis and intersecting axle.Antenna mould simultaneously
Quasi-simple member can also simulate the function of actual antennas automatic tracking satellite, so as to substitute actual antenna for imparting knowledge to students and instructing
Practice, avoids requirement of the actual antennas to the space environment and electromagnetic environment in place of imparting knowledge to students.In addition, antenna modeling unit can root
According to the position datas adjust automatically such as GPS or compass artificially simulated the posture of itself, the operation to star is completed, it is total by CAN
Line is communicated synchronizes the effect for having simulated practical equipment with the parameter in antenna control unit.Unity 3D rendering engines carry
The resilient expansion ability and better interactive capability of the task equipments such as glasses from PC to VR/AR are supplied so that this system
The virtual reality technology of modernization can be made full use of, is obtained relative to the higher training effectiveness of conventional method.
Claims (6)
1. a kind of virtual reality antenna modeling system, it is characterized in that including an antenna control unit, antenna modeling unit, equipment
Administrative unit and digital sensor, the operation in antenna modeling unit in the appearance and action and antenna control unit of antenna,
It is completely the same with physical device；Antenna control unit can be configured the azimuth information of ship under this control pattern, far control
The reception that bearing data is realized under pattern, is calculated by satellite parametric reduction, obtains antenna attitude and act and encapsulate framing to be sent to
Antenna modeling unit and device management unit；The model of antenna is designed by 3DS Max in antenna modeling unit, by Unity
3D real-time renderings go out three-dimensional dynamic antenna, and analog demenstration goes out posture and the action of antenna, and can project on VR/AR glasses；
The data that device management unit real-time display receives can set the parameter value of antenna control unit under remote control pattern
It sets；Digital sensor is used to generate the information such as ship orientation under remote control pattern, and valid data are provided for system.
2. virtual reality antenna modeling system according to claim 1, it is characterized in that antenna control unit passes through CAN bus
It is communicated with digital sensor, after obtaining the azimuth informations such as resolve packet outgoing direction, longitude and latitude, carries out antenna theory orientation
The calculating of the satellite parametric reductions such as angle, pitch angle, the data frame for being encapsulated as variable-length are sent；Antenna control unit possesses independence
LCD module and keyboard input module provide operation, parameter setting can be carried out, the autotracking mode of antenna tracking target is provided,
The data such as working condition and the corner of antenna are shown on an lcd display, are kept to star.
3. virtual reality antenna modeling system according to claim 1, it is characterized in that device management unit can be shown in real time
The equipment state of antenna control unit is shown, antenna control unit can be controlled under remote control pattern, the data of user are provided
Library storage carries out record preservation, while providing query function.
4. virtual reality antenna modeling system according to claim 1, it is characterized in that antenna control unit passes through 485 buses
Networking, using master-slave communication pattern, device management unit therein is as host, and antenna control unit is as slave, equipment pipe
Reason unit can obtain the detailed operating status of antenna control unit, be capable of the parameter of real-time display each unit, and can
All parameter values of each unit are configured.
5. virtual reality antenna modeling system according to claim 1, it is characterized in that the practical equipment of digital sensor simulation
Latitude and longitude information is generated, antenna control unit is sent to；Direction scope is 0~360 degree, and longitude includes two ranges：150 degree~
The degree of 180 degree, -180 degree~-150, latitude include ranging from 0~30 degree.
6. virtual reality antenna modeling system according to claim 1, it is characterized in that antenna modeling unit can pass through
The dynamic antenna of Unity 3D real-time rendering three-dimensionals, and seamless support VR/AR glasses；Antenna model is designed by 3DS Max, is divided into
Four component parts, including azimuth axis, pitch axis, intersecting axle, pedestal import Unity 3D, script are write using c#, by model
Each component part load and draw out, and by serial communication obtain antenna control unit parameter, according to acquisition
Parameter carrys out state when artificial antenna pitch angle and azimuth change so that the athletic posture of antenna model and actual antennas one
It causes, the posture of the information such as GPS or compass adjust automatically itself can also be simulated, complete the operation to star to simulate reality
The working effect of border antenna.
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| CN201810434739.1A CN108597037A (en) | 2018-05-04 | 2018-05-04 | A kind of virtual reality antenna modeling system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810434739.1A CN108597037A (en) | 2018-05-04 | 2018-05-04 | A kind of virtual reality antenna modeling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109783892A (en) * | 2018-12-27 | 2019-05-21 | 中国铁塔股份有限公司上海市分公司 | A kind of communication base station spacial ability information management platform |
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2018
- 2018-05-04 CN CN201810434739.1A patent/CN108597037A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109783892A (en) * | 2018-12-27 | 2019-05-21 | 中国铁塔股份有限公司上海市分公司 | A kind of communication base station spacial ability information management platform |
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Application publication date: 20180928 |
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