CN107576731A - Model experiment structural crack expansion process real-time fluoroscopic method based on mixed reality - Google Patents
Model experiment structural crack expansion process real-time fluoroscopic method based on mixed reality Download PDFInfo
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Abstract
The present invention disclose a kind of model experiment structural crack expansion process real-time fluoroscopic method based on mixed reality, key step include establishing structural model sample, arrangement sound emission data collecting system, loading experiment, gather sound emission source signal in real time and calculate processing transmit to computer, establish virtual point three-dimensional model, establish virtual architecture model threedimensional model, dummy model is transmitted to mixed reality display device, matching and imaging importing.Virtual cracking point model is superimposed on structural model by the present invention based on positioning of the acoustic emission to structural model inside acoustic emission source, and based on mixed reality display device, realizes underbead crack transparent effect.
Description
Technical field
The invention belongs to structural model test to visualize field, more particularly to a kind of model experiment knot based on mixed reality
Structure crack propagation process real-time fluoroscopic method.
Background technology
As China's economic develops rapidly, infrastructure such as house, bridge etc. are widely built.Wherein, concrete
Material is widely used in each engineering construction, and research Study of Failure Process in Concrete Samples has safely weight for research concrete structure
Want meaning.Design physical arrangement model investigation concrete structure destructive process under different load situations is a kind of effective
Technological means, such as pass through loading experiment study beams of concrete structural damage situation.Due to structure internal sabotage process itself
It is difficult to directly observe, research concrete structure internal sabotage mechanism has some limitations.It is not only difficult to use conventional methods
Position is produced with accurate judgement underbead crack, and can not intuitively express propagation of internal cracks process in real time.
In the research of inside configuration Crack Extension, mainly have under outer loading condition currently for physical arrangement model experiment：
Field prestige etc. (2012)[1]The generation of inside concrete micro-crack under Uniaxial Compression have studied based on CT image processing techniques, expand
Exhibition and the overall process of insertion, the visualization of inside configuration crack form is realized by CT image techniques；Liang Peng etc. (2015)[2]
Acoustic emission signal caused by granite test specimen internal injury is received using acoustic emission sensor, acoustic emission source is tried to achieve through handling calculating
The coordinate information of K points；Yan Changgen etc. (2015)[3]The effective of rock side slope avalanche information is realized using wireless sound laundry monitor
Monitoring；Li Li etc. (2013)[4]Using a kind of crack expansion acoustic emission test device research different materials in multi-direction, complicated lotus
Lower polymorphic type Crack Extension is carried, and acoustic emission signal is gathered by acoustic emission detection system；
In being studied currently for augmented reality, mainly have：Pan Ruihong (2016)[5]It has studied a kind of mixed reality emulation system
System rapid registering method, realizes the synchronization and visualized operation for realizing true operation in virtual scene；BE base grace etc.
(2016)[6]When have studied user and being moved in mixed reality, virtual objects can keep the world to lock so that user can be from difference
Virtual objects are explored at visual angle；Schall G etc. (2010)[7]The saturating of underground piping is realized using hand-held augmented reality equipment
Depending on.
Currently for physical arrangement model experiment under outer loading condition inside configuration Crack Extension research in, researcher
It can realize that inside configuration crackle produces the positioning of position by using technologies such as sound emission, CT, and crack information can be entered
The certain monitoring inspection of row, but it is not directly perceived enough for crack information expression, especially directly act on physical arrangement model
Propagation of internal cracks information visuallization is expressed.In being studied for augmented reality, virtual information and reality scene are essentially consisted in
In registration, research is had an X-rayed for the sightless structure in underground in document, but is also not directed to experimental configuration propagation of internal cracks
The research of process perspective.
In summary, currently for physical arrangement model experiment, the research of inside configuration Crack Extension is led under outer loading condition
The detection to internal crack position is concentrated on, lacks the intuitive Visualization research for crack propagation process.
The content of the invention
In order to solve above-mentioned the deficiencies in the prior art, a kind of model experiment structural crack extension based on mixed reality is proposed
Process real-time fluoroscopic method, the positioning of acoustic emission source is realized based on acoustic emission, and combine mixed reality display device by sound
Emission source virtual information is superimposed on structural model, realizes the real-time fluoroscopic effect of physical arrangement model propagation of internal cracks process,
It is intended to overcome existing structural model inside configuration Crack Extension expression way during outer load experiment not directly perceived enough, realizes
The visualization of structural model underbead crack dehiscence process.
The technical solution adopted for the present invention to solve the technical problems is as follows：Model experiment structure based on mixed reality is split
Line expansion process real-time fluoroscopic method, comprises the following steps：
(1) structural model sample, is established, sound emission data acquisition is set on preset sound emission data collecting system position
System and arrangement respective flag point；
(2), installing structure model sample is on loading equipemtn and carrying out loading experiment；
(3), sound emission source signal is gathered in real time using sound emission data collecting system；
(4), collection sound emission source signal is computed processing and obtains acoustic emission source three-dimensional point coordinate data, and transmits to calculating
Machine；
(5) virtual point three-dimensional model, is established using pattern analysis processing software；
(6) virtual architecture model sample threedimensional model, is established；
(7), transfer of virtual point three-dimensional model and virtual architecture model sample threedimensional model are into mixed reality display device；
(8) experiment scene, is scanned using mixed reality display device, by identifying that respective flag point realizes virtual architecture mould
The locus of type sample threedimensional model and the locus of reality constructs model sample match；
(9) imaging importing, is carried out to structural model sample, by the real-time Overlapping display of virtual point three-dimensional model in reality constructs
In model sample.
The locus of the virtual architecture model sample threedimensional model and reality constructs model sample spatial location one
Cause, apparent size is consistent, and the locus of virtual point three-dimensional model is consistent with the locus of acoustic emission source.
The sound emission data collecting system includes acoustic emission sensor, Acoustic emission signal processing system and connecting line.
The mixed reality display device is the wearing type glasses equipment based on mixed reality technology.
The crack information collection of experimental subjects and crackle perspective suitable for air or water.
The structural model sample includes but is not limited to concrete structure, reinforced concrete structure and rock texture.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention is shown based on mixed reality and set based on positioning of the acoustic emission to structural model inside acoustic emission source
It is standby that virtual cracking point model is superimposed on structural model, underbead crack transparent effect is realized, and this method is directed to sound emission
Technology can collect the object of underbead crack information, realize its internal perspective so that inside configuration " black box " information energy
Being illustrated in the experimenter visual field for enough visual patterns, is easy to intuitively analyze internal crack propagation process.
The present invention overcomes physical arrangement model experiment main concentration of inside configuration Crack Extension research under outer loading condition
In the detection to internal crack position, lack the intuitive Visualization research for crack propagation process.
Brief description of the drawings
Fig. 1 is the inventive method flow chart；
Fig. 2 is concrete experiments apparatus structure schematic diagram of the present invention；
Fig. 3 is mixed reality display device of the present invention；
Fig. 4 is that the present invention realizes underbead crack transparent effect schematic diagram；
Reference：1- concrete structure model samples；2- acoustic emission sensors；3- Acoustic emission signal processing systems；4-
Mixed reality display device；The virtual point three-dimensional models of 5-；The virtual concrete structure model sample threedimensional models of 6-；7- notebooks electricity
Brain；8- loading equipemtns；9- connecting lines；10- index points.
Embodiment
Technical solution of the present invention will be further described with specific embodiment below in conjunction with the accompanying drawings, described specific reality
Apply example only the present invention is explained, be not intended to limit the invention.
The flow chart of model experiment structural crack expansion process real-time fluoroscopic method of the invention based on mixed reality, such as schemes
Shown in 1, structural model includes but is not limited to concrete structure, reinforced concrete structure and rock texture, below with concrete knot
Described in detail exemplified by structure.
Based on mixed reality concrete structure crack propagation process real-time fluoroscopic analysis method, comprise the following steps：First
Concrete structure model sample 1 is established, as shown in Fig. 2 the preset sound emission data acquisition system on concrete structure model sample 1
System position, sound emission data collecting system include acoustic emission sensor 2, Acoustic emission signal processing system 3 and connecting line 9, this
Embodiment concrete structure model sample 1 is cuboid, and acoustic emission sensor 2 is evenly arranged in concrete structure model sample
1 outer surface, and index point 10 corresponding to arrangement；Concrete structure model sample 1 is positioned on loading equipemtn 8, slowly added
Experiment is carried, as load increases, is cracked inside concrete structure model sample 1；Acoustic emission sensor 2 gathers a system in real time
The sound emission source signal of row includes positional information, and acoustic emission sensor 2 transmits the sound emission source signal collected through connecting line 9
To Acoustic emission signal processing system 3, calculating handles to obtain acoustic emission source three-dimensional point coordinate data, and transmits to computer and divided
Analysis is handled, and the acoustic emission source three-dimensional point coordinate data are space coordinates, are expressed as M (x, y, z)；The sound emission number of the present embodiment
" 96 passage PCIE acoustic emission systems " product of American Physical acoustics company is used according to acquisition system, terminal uses notebook computer
7, it can also use desktop computer；Virtual point three-dimensional model 5, the virtual point three-dimensional mould are established using pattern analysis processing software again
Type 5, is expressed as M ＇ (x ＇, y ＇, z ＇), and the present embodiment pattern analysis processing software is used 3d Max, can also built using other three-dimensionals
Mould software, establish virtual concrete structure model sample threedimensional model 6；By virtual point three-dimensional model 5 and virtual concrete structure
Through being wirelessly transmitted in mixed reality display device 4, the present embodiment mixed reality display device 4 is model sample threedimensional model 6
Wearing type glasses equipment based on mixed reality technology, as shown in figure 3, or tablet personal computer；Virtual concrete structure model
The locus of sample threedimensional model 6 is consistent with the locus of concrete structure model sample 1, and apparent size is consistent, and empty
The locus for intending point three-dimensional model 5 is consistent with the locus of acoustic emission source；Scanned and tested using mixed reality display device 4
Scene, by establishing identical real world and virtual world coordinate system, and identify that respective flag point realizes virtual concrete knot
The locus of structure model sample threedimensional model 6 and the locus of the concrete structure model sample 1 of reality match, and such as scheme
Shown in 4；Finally, imaging importing is carried out to concrete sample model, by the virtual real-time display of point three-dimensional model 5 in concrete structure
In model sample 1, when different directions check concrete structure model sample 1 in mixed reality scene, mixed reality shows personnel
Show that equipment 4 carries out the imaging importing of different visions to concrete structure model sample 1, by the virtual point three-dimensional model 5 of real-time reception
Real-time Overlapping display is in concrete structure model sample 1, so as to reach the transparent effect of internal cleavage information.
The crack information collection of present invention experimental subjects suitable for air or water and crackle perspective.
It should be appreciated that embodiment and example discussed herein simply to illustrate that, to those skilled in the art
For, it can be improved or be converted, and all these modifications and variations should all belong to the protection of appended claims of the present invention
Scope.
Bibliography：
[1] Tian Wei, Dang Faning, concrete meso fracture fractals [J] of old thick group based on CT image processing techniques
Application foundation and engineering science journal, 2012, (03):424-431.
[2] Liang Peng, Zhang Yanbo, yellow Xiao Hong, Yao Xulong, Tian Baozhu, a kind of Acoustic Emission of Rock source positioning of the prosperous of Sun Lin, Liu Xiang
Method [P] Hebei：CN105334266A,2016-02-17.
[3] Yan Changgen, Xie Yongli, Shi Yuling, Sun Weifeng, Lu Hao, Zhang Zhiquan, perhaps a kind of rock side slope avalanches of river ripple are supervised
Wireless sound laundry monitor [P] Shaanxi is used in survey：CN204882469U,2015-12-16.
[4] Li Li, Zeng Dexue, Li Ji crack expansion acoustic emission test devices and test method [P] Hubei：
CN103604872A,2014-02-26.
[5] rapid registering method [P] the Tianjin of a kind of mixed reality analogue systems of the red of Pan Rui：CN105787941A,
2016-07-20.
[6] BE bases grace, the small Crows of BJ Su Gedeng, RL can, D Depews Ford, TG thayers are special,
LK plums are matched, and AA-A kip is graceful, and PT Jin Neibulu, NF cards nurse positions [P] up to holographies grappling and dynamic
The U.S.：CN105264478A,2016-01-20.
[7]Schall G,Schmalstieg D,Junghanns S.Vidente-3d visualization of
underground infrastructure using handheld augmented reality[J].GeoHydro
informatics:Integrating GIS and Water Engineering,2010.
Claims (6)
1. the model experiment structural crack expansion process real-time fluoroscopic method based on mixed reality, it is characterised in that including as follows
Step：
(1) structural model sample, is established, sound emission data collecting system is set on preset sound emission data collecting system position
And arrangement respective flag point；
(2), installing structure model sample is on loading equipemtn and carrying out loading experiment；
(3), sound emission source signal is gathered in real time using sound emission data collecting system；
(4), collection sound emission source signal is computed processing and obtains acoustic emission source three-dimensional point coordinate data, and transmits to computer；
(5) virtual point three-dimensional model, is established using pattern analysis processing software；
(6) virtual architecture model sample threedimensional model, is established；
(7), transfer of virtual point three-dimensional model and virtual architecture model sample threedimensional model are into mixed reality display device；
(8) experiment scene, is scanned using mixed reality display device, by identifying that respective flag point realizes that virtual architecture model tries
The locus of sample threedimensional model and the locus of reality constructs model sample match；
(9) imaging importing, is carried out to structural model sample, by the real-time Overlapping display of virtual point three-dimensional model in reality constructs model
In sample.
2. according to the method for claim 1, it is characterised in that the space bit of the virtual architecture model sample threedimensional model
Put consistent with reality constructs model sample spatial location, apparent size is consistent, and the locus of virtual point three-dimensional model with
The locus of acoustic emission source is consistent.
3. according to the method for claim 1, it is characterised in that the sound emission data collecting system includes voice sending sensor
Device, Acoustic emission signal processing system and connecting line.
4. according to the method for claim 1, it is characterised in that the mixed reality display device is based on mixed reality skill
The wearing type glasses equipment of art.
5. according to the method for claim 1, it is characterised in that the crack information of experimental subjects is adopted suitable for air or water
Collection and crackle perspective.
6. according to the method for claim 1, it is characterised in that the structural model sample includes but is not limited to concrete knot
Structure, reinforced concrete structure and rock texture.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109085248A (en) * | 2018-07-03 | 2018-12-25 | 内蒙古科技大学 | Localization method, the apparatus and system of bearing pipe wall impulse source |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101470102A (en) * | 2007-12-18 | 2009-07-01 | 通用电气公司 | System and method for augmented reality inspection and data visualization |
| CN103198517A (en) * | 2011-12-23 | 2013-07-10 | 联发科技股份有限公司 | A method for generating a target perspective model and an apparatus of a perspective model |
| CN103604872A (en) * | 2013-11-21 | 2014-02-26 | 三峡大学 | Crack expansion acoustic emission test device and method |
| CN203534913U (en) * | 2013-10-08 | 2014-04-09 | 广东石油化工学院 | Machine-vision-based single fiber fracture test device |
| CN103955267A (en) * | 2013-11-13 | 2014-07-30 | 上海大学 | Double-hand man-machine interaction method in x-ray fluoroscopy augmented reality system |
| JP5991423B2 (en) * | 2013-02-21 | 2016-09-14 | 富士通株式会社 | Display device, display method, display program, and position setting system |
| US20170032515A1 (en) * | 2014-04-22 | 2017-02-02 | Fujitsu Limited | Position identification method and system |
| CN106780754A (en) * | 2016-11-30 | 2017-05-31 | 福建北极光虚拟视觉展示科技有限公司 | A kind of mixed reality method and system |
-
2017
- 2017-08-30 CN CN201710764442.7A patent/CN107576731A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101470102A (en) * | 2007-12-18 | 2009-07-01 | 通用电气公司 | System and method for augmented reality inspection and data visualization |
| CN103198517A (en) * | 2011-12-23 | 2013-07-10 | 联发科技股份有限公司 | A method for generating a target perspective model and an apparatus of a perspective model |
| JP5991423B2 (en) * | 2013-02-21 | 2016-09-14 | 富士通株式会社 | Display device, display method, display program, and position setting system |
| CN203534913U (en) * | 2013-10-08 | 2014-04-09 | 广东石油化工学院 | Machine-vision-based single fiber fracture test device |
| CN103955267A (en) * | 2013-11-13 | 2014-07-30 | 上海大学 | Double-hand man-machine interaction method in x-ray fluoroscopy augmented reality system |
| CN103604872A (en) * | 2013-11-21 | 2014-02-26 | 三峡大学 | Crack expansion acoustic emission test device and method |
| US20170032515A1 (en) * | 2014-04-22 | 2017-02-02 | Fujitsu Limited | Position identification method and system |
| CN106780754A (en) * | 2016-11-30 | 2017-05-31 | 福建北极光虚拟视觉展示科技有限公司 | A kind of mixed reality method and system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109085248A (en) * | 2018-07-03 | 2018-12-25 | 内蒙古科技大学 | Localization method, the apparatus and system of bearing pipe wall impulse source |
| CN109085248B (en) * | 2018-07-03 | 2021-04-06 | 内蒙古科技大学 | Method, device and system for positioning impact source of pressure-bearing pipeline wall |
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Application publication date: 20180112 |