CN106840015A - A kind of three camera digital speckle sensors and method for being applied to universe shape changing detection - Google Patents
A kind of three camera digital speckle sensors and method for being applied to universe shape changing detection Download PDFInfo
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- CN106840015A CN106840015A CN201710032327.0A CN201710032327A CN106840015A CN 106840015 A CN106840015 A CN 106840015A CN 201710032327 A CN201710032327 A CN 201710032327A CN 106840015 A CN106840015 A CN 106840015A
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- digital speckle
- detection object
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- light source
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
- G01B11/161—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge by interferometric means
- G01B11/162—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge by interferometric means by speckle- or shearing interferometry
Abstract
The present invention relates to a kind of three camera digital speckle sensors for being applied to universe shape changing detection, digital speckle interference instrument including light source and three same sizes, the digital speckle interference instrument of three same sizes is located on the different visual directions of detection object, the light source is used to send laser to detection object, and the reflected light of detection object incides three digital speckle interference instrument of same size respectively；The digital speckle interference instrument of three same sizes is also coupled by optical fiber with the light source, and the laser that the light source is sent is realized being interfered from reflected light of the different visual directions with surface configuration modulation intelligence as reference beam.The invention further relates to the application method of the sensor.The present invention can realize convenient, accurate, quick, comprehensive detection to the surface deformation of detected object.
Description
Technical field
It is more particularly to a kind of to be applied to the three of universe shape changing detection the present invention relates to precision instrument and field of measuring technique
Camera digital speckle sensor and method.
Background technology
Updating and innovating with modern project technology and medical rehabilitation technic, the design of Multifunction artificial limb, material
The research such as selection achieve great successes, and be widely used in modern sport medical science of recovery therapy.But how is research
The problems such as comfortableness, artificial limb service life that lifting patients with amputation or other total joints displacement patient artificial limb are installed, but face
Many great problems need to solve.One importance is how to fully understand hard metal implant and relatively soft bone
The Strain Distribution at biomethanics interface between bone.The 3D stress distributions of interface zone are grasped, correctly to estimate latent stress mistake
Misaligned with loose for preventing, interfacial gap infection and osteonecrosis sensing etc. have great importance.Although can lead at present
Computer-aided engineering software (CAD) and finite element modeling is crossed to assess deformation and simulate Stress distribution, but model
Validity needs correct boundary condition and material property, with greater need for carrying out live direct measurement and checking.Due to skeleton
It is uneven anisotropic material, the three-dimensional measurement of the caused minimal stress deformation of loading is to understanding skeleton implant interface
Biomechanics characteristic is very necessary.Due to the influence of destructuring test environment factor in test process, including biomaterial and
The moistening at their top layer interface, the moist caused random motion of hydrone, the behavioral characteristics of test process and test are right
As interface profile structural complexity feature, so far, this inspection can also be met without preferable strain measurement system or instrument
Survey and require.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of three camera digital speckles for being applied to universe shape changing detection
Sensor and method, can realize convenient, accurate, quick, comprehensive detection to the surface deformation of detected object.
The technical solution adopted for the present invention to solve the technical problems is：Offer is a kind of to be applied to the three of universe shape changing detection
Camera digital speckle sensor, including light source and three digital speckle interference instrument of same size, three same sizes
Digital speckle interference instrument is located on the different visual directions of detection object, and the light source is used to send laser to detection object, examines
The reflected light for surveying object incides three digital speckle interference instrument of same size respectively；The numeral of three same sizes dissipates
Spot interferometer is also coupled by optical fiber with the light source, the laser that the light source is sent as reference beam, realize with
Reflected light of the different visual directions with surface configuration modulation intelligence is interfered.
The light source is located at three centres of the digital speckle interference instrument of same size so that on different visual directions
Three digital speckle interference instrument of same size can simultaneously receive the reflected light of detection object.
The digital speckle interference instrument system of three same sizes triggers camera using synchronous triggering device.
Two in the digital speckle interference instrument of three same sizes are located at the upper of the detection object left and right sides respectively
Side, another is located at the top of detection object front side or rear side, and three digital speckle interference instrument distance detections of same size
Object it is highly equal.
The technical solution adopted for the present invention to solve the technical problems is：One kind is also provided and is applied to universe shape using above-mentioned
The method for becoming three camera digital speckle sensors of detection, comprises the following steps：
(1) sensor is positioned over the appropriate location of detection object, makes its three cameras of digital speckle interferometer with not
Same visual direction alignment detection object；
The camera of (2) three digital speckle interferometers captures the contour shape image of measurand respectively；
(3) light source is opened, and reaches the laser output of stabilization；
(4) synchronizing signal is triggered twice, and acquisition testing object occurs shape simultaneously to make three cameras of digital speckle interferometer
Speckle interference image and detection object before becoming with reference light deform upon the speckle interference image of rear and reference light；
(5) interference image that the camera of three digital speckle interferometers is obtained is processed respectively, demodulates deformation letter
Breath；
(6) the contour shape image of detected object and associating for detected interface strain data are utilized, to the shape for obtaining
Change information is modified；Then the three dimensional strain data that three digital speckle interferometers are obtained are merged, generation detection is right
As universe deformation 3D rendering drawing data；
(7) detected object surface deformation distribution map is drawn.
Beneficial effect
As a result of above-mentioned technical scheme, the present invention compared with prior art, has the following advantages that and actively imitates
Really：
The present invention presses certain space structure by three identical digital speckle interference instrument of specification (referred to as " DSPI ")
It is combined, and three reference beams of DSPI are from same laser, and it is respectively coupled to three by glass optical fiber
DSPI, realizes being interfered from reflected light of the different visual directions with surface configuration modulation intelligence.Therefore, system can obtain inspection
Multi-angle, the universe three-dimensional deformation data of object are surveyed, the stress analysis to detection object is realized.
Meanwhile, the designed space phase with synchronization control function moves three interferometers of technology, due to its deformation data
Single phase diagram can be respectively adopted to be parsed, according to current computer and digital image processing techniques, imaging sensor
Can in 0.1ms or shorter time records a two field picture, therefore, it can substantially eliminate during data acquisition any meaning with
The influence of machine factor, so as to meet to certainty of measurement requirement.
The present invention forms a kind of new full side by combining three speckle interference systems, and introducing space phase shifting technology
Position three-dimensional deformation precision measurement system, lifts the scientific and technological content of accurate measurement deformation.The invention is particularly suitable for small-sized material shape
The comprehensive shape changing detection for becoming, to production, scientific research, teaching, the field such as medical treatment has important actual application value.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is an index path for digital speckle interferometer in the present invention；
Fig. 3 is camera and light source scheme of installation in the embodiment of the present invention.
Specific embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than limitation the scope of the present invention.In addition, it is to be understood that after the content for having read instruction of the present invention, people in the art
Member can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the application appended claims and limited
Scope.
First embodiment of the invention is related to a kind of three camera digital speckle sensors for being applied to universe shape changing detection,
As shown in figure 1, including laser light source 1 and three digital speckle interference instrument of same size 2,3 and 4, three identical rule
The digital speckle interference instrument 2,3 and 4 of lattice is located on the different visual directions of detection object 6, and the laser light source 1 is used for inspection
Survey object 6 and send laser, the reflected light of detection object 6 incides three the digital speckle interference instrument 2 of same size, 3 and respectively
4；The digital speckle interference instrument 2,3 and 4 of three same sizes is also coupled by optical fiber 5 with the laser light source 1,
The laser that the laser light source 1 is sent is realized modulating letter with surface configuration from different visual directions as reference beam
The reflected light of breath is interfered.
Shown in Fig. 2 is an index path for digital speckle interferometer, wherein, digital speckle interference instrument is main by shear mirror
16th, the composition such as focus lamp 17, speculum 15 and CCD camera 14.The laser that laser 1 sends forms two-beam by spectroscope 11
Road, a branch of light path is irradiated in detection object 6 by spectroscope 19 again, after being reflected via detection object 6, by diaphragm 18 and poly-
Enter digital speckle interference instrument after burnt mirror 17；Another beam optical path is coupled to digital speckle interference by optical fiber 5 again by collimating mirror 12
Instrument is used as reference beam.
The three camera digital speckle sensors for being applied to comprehensive shape changing detection in present embodiment can design a peace
Dress cover, installs LASER Light Source, while positive direction of the mounting cup in the positive and negative direction of X-axis and Y-axis is respectively mounted in the middle of mounting cup
One DSPI, so may insure three DSPI detection when apart from the highly equal of detection object so that different visions
Comprehensive deformation data of the interference pattern comprising detected object that three, direction camera is obtained.As shown in figure 3, wherein 10 is laser
Light source installation site, and 7,8,9 is three installation sites of DSPI.
Three described systems of the CCD camera of DSPI 14 are triggered using synchronous triggering device, it is protected in detection process
Three cameras in different visual angles direction of card gather speckle interference image of the respective direction comprising deformation data simultaneously.Realize the whole audience
Ground, non-contactly accurately measure biomaterial surface three-dimensional deformation, have three unknown quantitys it needs to be determined that.Due to each time
Before or after loading, three interferometers synchronously must be associated strictly with three data sets so that the physiological environment of detection object
Change, the disturbance of external environment and dynamic load etc. are to fixed moistening and the requirement of soft biological material tests is extremely harsh, design
Three camera imaging systems synchronously obtain view data, with extraneous factor under suppressing destructuring imaging circumstances to strain image information
Interference.
Second embodiment of the present invention is related to a kind of scattered using the above-mentioned three cameras numeral for being applied to universe shape changing detection
The method of spot sensor, comprises the following steps：Step 1：Sensor is positioned over the appropriate location of detection object, makes its three phases
Machine is directed at detection object with different visual directions；
Step 2：Three CCD cameras of DSPI capture the contour shape image of measurand respectively；
Step 3：LASER Light Source is opened, and reaches stabilized lasers output；
Step 4：Synchronizing signal is triggered twice, before making three CCD cameras of DSPI while acquisition testing object is deformed upon
With the speckle interference image that the speckle interference image and detection object of reference light deform upon rear and reference light；
Step 5：The interference image that three CCD cameras of DSPI are obtained is processed respectively, demodulates deformation data.
Step 6：Using the contour shape information of detected object and associating for detected interface strain data, to what is obtained
Thermomechanical processing is modified；Then the three dimensional strain data that three DSPI are obtained are merged, generation detection object is comprehensive
Deformation 3D rendering drawing data.
Step 7：Draw detected object surface deformation distribution map.
Following equipment can be used in above-mentioned detection process is carried out：
(1) host desktop one：Its ease model 5050, Intel platforms, Windows 10, big cabinet, chipset：H81,
Display card, integrated sound card, 1000Mbps Ethernet cards.CPU speed：3.2GHz, the Duo i5 treatment of forth generation intelligence Intel
Device, four cores, L2 cache：6MB, display chip GT730 video memory capacity：Independent 2GB.Internal memory：Capacity 8GB, speed：DDR3；Insert
Slot number amount 2, maximum supports capacity 16GB.Hard disk：Capacity 1TB, type SATA are serial, 7200 revs/min of rotating speed.
(2) 1394 black-white CCD cameras of DS4M2A 3, resolution ratio 1280x960,1/2 " 15fps, C/CSC interface.
(3) solid state laser 1,50mW.
(4) 3, NIKON camera lenses (f50mm)
(5) 1 set of compact optical platform and support.
(6) shear mirror, focus lamp, spectroscope and beam expanding lens etc. are some.
When system is applied into object shape changing detection, it is necessary first to which system is initialized, including system is carried out
Demarcate, measurement network parameter is generated and set.Then detection means is placed in the appropriate location of detected object, and makes it
Into detection state.Order is sent by computer controls, first controls CCD to obtain the contour images of detection object different directions,
Then computer produces control signal to open laser light source, after its light stabilization, sends synchronizing signal, and three speckle-shearings are done
Interferometer, makes three cameras while the speckle interference image of acquisition testing object, the interference image that computer is obtained to three cameras respectively
Processed, demodulated deformation data.Contour shape information and the pass for detecting interface strain data using detected object
Connection, the thermomechanical processing to obtaining is modified；Finally the three dimensional strain data that three interferometers are obtained are merged, generation detection
The comprehensive deformation 3D rendering drawing data of object, and the universe deformation 3D rendering for passing through computer drawing detection object.
Claims (5)
1. a kind of three camera digital speckle sensors for being applied to universe shape changing detection, it is characterised in that including light source and three
The digital speckle interference instrument of same size, the digital speckle interference instrument of three same sizes is regarded positioned at the difference of detection object
Feel on direction, the light source is used to send laser to detection object, and the reflected light of detection object incides three identical rule respectively
The digital speckle interference instrument of lattice；The digital speckle interference instrument of three same sizes also carries out coupling by optical fiber with the light source
Close, the laser that the light source is sent is realized carrying surface configuration modulation intelligence from different visual directions as reference beam
Reflected light is interfered.
2. three camera digital speckle sensors for being applied to universe shape changing detection according to claim 1, it is characterised in that
The light source is located at three centres of the digital speckle interference instrument of same size so that three on different visual directions are identical
The digital speckle interference instrument of specification can simultaneously receive the reflected light of detection object.
3. three camera digital speckle sensors for being applied to universe shape changing detection according to claim 1, it is characterised in that
The digital speckle interference instrument system of three same sizes triggers camera using synchronous triggering device.
4. three camera digital speckle sensors for being applied to universe shape changing detection according to claim 1, it is characterised in that
Two tops for being located at the detection object left and right sides respectively in the digital speckle interference instrument of three same sizes, another
Positioned at detection object front side or the top of rear side, and three digital speckle interference instrument of same size are apart from the height of detection object
It is equal.
5. it is a kind of to use the three camera digital speckle sensors that universe shape changing detection is applied to as described in any in claim 1-4
Method, it is characterised in that comprise the following steps：
(1) sensor is positioned over the appropriate location of detection object, makes its three cameras of digital speckle interferometer with different
Visual direction is directed at detection object；
The camera of (2) three digital speckle interferometers captures the contour shape image of measurand respectively；
(3) light source is opened, and reaches the laser output of stabilization；
(4) synchronizing signal is triggered twice, before making three cameras of digital speckle interferometer while acquisition testing object is deformed upon
With the speckle interference image that the speckle interference image and detection object of reference light deform upon rear and reference light；
(5) interference image that the camera of three digital speckle interferometers is obtained is processed respectively, demodulates deformation data；
(6) the contour shape image of detected object and associating for detected interface strain data are utilized, to the deformation letter for obtaining
Breath is modified；Then the three dimensional strain data that three digital speckle interferometers are obtained are merged, generation detection object is complete
Domain deformation 3D rendering drawing data；
(7) detected object surface deformation distribution map is drawn.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414537A (en) * | 2018-04-10 | 2018-08-17 | 广州迅智机械科技有限公司 | The device and method of comprehensive quick detection tire tread and sidewall internal flaw |
| CN110068283A (en) * | 2019-04-25 | 2019-07-30 | 东华大学 | A kind of digital speckle sensor-based system applied to face internal strain |
| CN110500965A (en) * | 2019-08-22 | 2019-11-26 | 东华大学 | A kind of choosing method of digital speckle pattern interferometry system diaphragm slit size |
| US20220065617A1 (en) * | 2019-05-10 | 2022-03-03 | Nikon Corporation | Determination of a change of object's shape |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19716785A1 (en) * | 1997-04-22 | 1998-10-29 | Wolfgang Prof Dr Ing Steinchen | Shearing speckle interferometry measuring deformation gradients at free form surfaces |
| CN200958940Y (en) * | 2006-07-21 | 2007-10-10 | 上海大学 | System for measuring object three-dimensional deformation based on optical fiber and electronic phase-transfer speckle technology |
| CN101871769A (en) * | 2010-06-02 | 2010-10-27 | 山东师范大学 | Detection method of electronic speckles for synchronous carrier-frequency modulation in three-dimensional deformation field |
| CN102175169A (en) * | 2011-03-07 | 2011-09-07 | 南京理工大学 | Three-dimensional deformation wireless optical measurement system for engineering structure and measurement method thereof |
| CN103148798A (en) * | 2013-03-19 | 2013-06-12 | 南京航空航天大学 | Method and device for measuring three fields independently and synchronously in real time by using three-dimensional digital speckle pattern interferometry |
| CN103712569A (en) * | 2013-12-31 | 2014-04-09 | 合肥工业大学 | Single image rapid phase displacement system and phase detection method based on deflection angles |
| CN103727891A (en) * | 2014-01-10 | 2014-04-16 | 合肥工业大学 | Synchronous three-dimensional speckle interferometric measurement system and method |
| US20150338208A1 (en) * | 2013-11-12 | 2015-11-26 | Bae Systems Information And Electronic Systems Integration Inc. | Phase resolved shearography for remote sensing |
| CN105716536A (en) * | 2016-04-26 | 2016-06-29 | 盐城工学院 | Three-dimensional digital speckle pattern interferometry synchronous measurement method and device |
-
2017
- 2017-01-16 CN CN201710032327.0A patent/CN106840015A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19716785A1 (en) * | 1997-04-22 | 1998-10-29 | Wolfgang Prof Dr Ing Steinchen | Shearing speckle interferometry measuring deformation gradients at free form surfaces |
| CN200958940Y (en) * | 2006-07-21 | 2007-10-10 | 上海大学 | System for measuring object three-dimensional deformation based on optical fiber and electronic phase-transfer speckle technology |
| CN101871769A (en) * | 2010-06-02 | 2010-10-27 | 山东师范大学 | Detection method of electronic speckles for synchronous carrier-frequency modulation in three-dimensional deformation field |
| CN102175169A (en) * | 2011-03-07 | 2011-09-07 | 南京理工大学 | Three-dimensional deformation wireless optical measurement system for engineering structure and measurement method thereof |
| CN103148798A (en) * | 2013-03-19 | 2013-06-12 | 南京航空航天大学 | Method and device for measuring three fields independently and synchronously in real time by using three-dimensional digital speckle pattern interferometry |
| US20150338208A1 (en) * | 2013-11-12 | 2015-11-26 | Bae Systems Information And Electronic Systems Integration Inc. | Phase resolved shearography for remote sensing |
| CN103712569A (en) * | 2013-12-31 | 2014-04-09 | 合肥工业大学 | Single image rapid phase displacement system and phase detection method based on deflection angles |
| CN103727891A (en) * | 2014-01-10 | 2014-04-16 | 合肥工业大学 | Synchronous three-dimensional speckle interferometric measurement system and method |
| CN105716536A (en) * | 2016-04-26 | 2016-06-29 | 盐城工学院 | Three-dimensional digital speckle pattern interferometry synchronous measurement method and device |
Non-Patent Citations (1)
| Title |
|---|
| 张德海: "用于VCM钢板单向拉伸实验的数字散斑相关法应变检测", 《郑州轻工业学院学报（自然科学版）》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414537A (en) * | 2018-04-10 | 2018-08-17 | 广州迅智机械科技有限公司 | The device and method of comprehensive quick detection tire tread and sidewall internal flaw |
| CN110068283A (en) * | 2019-04-25 | 2019-07-30 | 东华大学 | A kind of digital speckle sensor-based system applied to face internal strain |
| US20220065617A1 (en) * | 2019-05-10 | 2022-03-03 | Nikon Corporation | Determination of a change of object's shape |
| CN110500965A (en) * | 2019-08-22 | 2019-11-26 | 东华大学 | A kind of choosing method of digital speckle pattern interferometry system diaphragm slit size |
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