CN110186641A - A kind of edge of a knife monitor control system and method facilitating the debugging of schlieren system optical path - Google Patents
A kind of edge of a knife monitor control system and method facilitating the debugging of schlieren system optical path Download PDFInfo
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- CN110186641A CN110186641A CN201910403385.9A CN201910403385A CN110186641A CN 110186641 A CN110186641 A CN 110186641A CN 201910403385 A CN201910403385 A CN 201910403385A CN 110186641 A CN110186641 A CN 110186641A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000003287 optical effect Effects 0.000 title claims abstract description 14
- 238000006073 displacement reaction Methods 0.000 claims abstract description 37
- 238000012544 monitoring process Methods 0.000 claims abstract description 26
- 238000003384 imaging method Methods 0.000 claims description 2
- 238000011160 research Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/06—Measuring arrangements specially adapted for aerodynamic testing
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- General Physics & Mathematics (AREA)
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The present invention relates to a kind of edge of a knife monitor control system for facilitating schlieren system optical path to debug and method, the cutting quantity for mainly solving the problems, such as that existing system needs frequent progress to manually adjust the edge of a knife leads to that process is cumbersome and degree of regulation is lower.The system includes the electronic edge of a knife, edge of a knife monitoring camera, edge of a knife controller, six degree of freedom adjusting platform, edge of a knife displacement drive motor and image processor；Electronic edge of a knife setting is adjusted on platform in six degree of freedom；Edge of a knife controller controls the size of the electronic edge of a knife, and the dimensional parameters of the electronic edge of a knife are adjusted；Electronic knife-edge part light spot image is imaged in edge of a knife monitoring camera, and sends image processor for collected edge of a knife image, and image processor is connect with edge of a knife controller, edge of a knife displacement drive motor respectively；Edge of a knife displacement drive motor adjusts platform with six degree of freedom and connect, and six degree of freedom is driven to adjust platform movement.Meanwhile the present invention provide it is a kind of based on it is above-mentioned facilitate schlieren system optical path debug edge of a knife monitoring and control method.
Description
Technical field
The present invention relates to schlieren system monitoring and control fields, and in particular to a kind of knife for facilitating schlieren system optical path to debug
Mouth monitor control system and method.
Background technique
During colour schlieren system test, the edge of a knife is the critical component of schlieren system.Schlieren light source emits beam, light
Line passes through " mouth " font slit, is collimated light by the first face principal reflection mirror, then runs through flow field, in the second face principal reflection mirror
Focal plane at formed corresponding " mouth " font color light source picture.With four edges of a knife of " mouth " font edge of a knife point on this focal plane
Corresponding slit image is not cut to get the colour schlieren figure of reflection both direction light deflection is arrived, by each edge of a knife cutting quantity
Adjusting, thus it is possible to vary the sensitivity of schlieren system.
In traditional schlieren system course of work, frequent progress is needed to manually adjust the spirit of the cutting quantity change system of the edge of a knife
Sensitivity.Using manually adjusting, there are the following problems: first is that making adjustment process become cumbersome, to increase the redundancy of scientific research personnel
Workload；Second is that wish that edge of a knife cutting quantity is accomplished uniformly as far as possible under normal conditions, but while manually adjusting, generally requires and passes through people
Eye sentence cutting quantity number, or need the edge by eye recognition " mouth " font slit picture.At this point, on the one hand due to
Slit is smaller as size, and human eye judgement is difficult accurately judge how much is cutting quantity；On the other hand, different operators may
Existential individual difference, causes degree of regulation to reduce.
Summary of the invention
In terms of overcoming the problems, such as to manually adjust the edge of a knife in above-mentioned schlieren system, facilitate schlieren the present invention provides a kind of
System light path debugging edge of a knife monitor control system and method, substitute it is previous manually adjust, reduce the redundancy of scientific research personnel
Workload guarantees the accurate control of schlieren system edge of a knife cutting quantity.
The technical scheme is that
A kind of edge of a knife monitor control system for facilitating schlieren system optical path to debug, including the electronic edge of a knife, the edge of a knife monitoring camera,
Edge of a knife controller, six degree of freedom adjust platform, edge of a knife displacement drive motor and image processor；The electronic edge of a knife is arranged six
Freedom degree is adjusted on platform；The edge of a knife controller can control the size of the electronic edge of a knife, join to the size of the electronic edge of a knife
Number is adjusted；Electronic knife-edge part light spot image is imaged in edge of a knife monitoring camera, and by collected edge of a knife image
It is sent to image processor, image processor is connect with edge of a knife controller, edge of a knife displacement drive motor respectively, is realized to edge of a knife control
The control of device, edge of a knife displacement drive motor processed；The edge of a knife displacement drive motor adjusts platform with six degree of freedom and connect, control six
The movement of freedom degree adjusting platform.
Further, the edge of a knife monitoring camera is set to the upper side of the electronic edge of a knife, can be to the light of electronic knife-edge part
Spot carries out Imaging: Monitoring.
Further, the electronic edge of a knife is that have the transportable edge of a knife slit of " mouth " font four.
Meanwhile the present invention provide it is a kind of based on it is above-mentioned facilitate schlieren system optical path debug edge of a knife monitoring and control method, packet
Include following steps:
1) edge of a knife monitoring camera is observed electronic knife-edge positions and knife-edge part spot size；
2) edge of a knife monitoring camera transfers data to image processor, and image processor handles data, obtains electricity
Moving knife mouth displacement and electronic edge of a knife size value；
3) displacement of the electronic edge of a knife is input to edge of a knife displacement drive motor by image processor, and electronic edge of a knife size value is inputted
To edge of a knife controller；
4) edge of a knife displacement drive motor and edge of a knife controller adjust the positions and dimensions of the electronic edge of a knife；
5) the mobile cutting realized to slit picture of the edge of a knife.
Further, in step 2), image processor handles data, specifically by image processor
MATLAB software carries out graphics process, and the center of edge of a knife image is determined using centroid algorithm.
Compared with prior art, the present invention having following technical effect that
1. present system adjusts platform to six degree of freedom by image processor and edge of a knife displacement drive motor carries out essence
Really control improves the precision of edge of a knife cutting, so that the accuracy of test result is improved, so that schlieren picture quality is mentioned
It rises.
2. the position of the fast slowdown monitoring schlieren system knife-edge part hot spot of present system automatically adjusts knife-edge positions and size,
Improve the resolution ratio of schlieren system.
3. present system reduces the redundancy of effort amount for manually adjusting the edge of a knife of scientific research personnel, schlieren system knife is improved
The working efficiency that mouth is adjusted.
Detailed description of the invention
Fig. 1 is that the edge of a knife of the present invention monitors system schematic；
Fig. 2 is present system work flow diagram.
Appended drawing reference: the electronic edge of a knife of 1-, the 2- edge of a knife monitor camera, 3- edge of a knife controller, and 4- six degree of freedom adjusts platform, 5-
Edge of a knife displacement drive motor, 6- image processor.
Specific embodiment
The contents of the present invention are described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the edge of a knife monitor control system provided by the invention for facilitating schlieren system optical path to debug includes electronic
The edge of a knife 1, edge of a knife monitoring camera 2, edge of a knife controller 3, six degree of freedom adjust platform 4, edge of a knife displacement drive motor 5, image procossing
Device 6.The electronic edge of a knife 1 is that have the transportable edge of a knife slit of " mouth " font four, for " mouth " font light in schlieren system
Line is cut.
Edge of a knife monitoring camera 2 is placed in the upper side of the electronic edge of a knife 1, the hot spot at the electronic edge of a knife 1 can be imaged
Monitoring.The electronic edge of a knife 1 is rigidly fixed in six degree of freedom and adjusts platform 4, and six degree of freedom adjusts platform 4 and the electronic edge of a knife 1 is driven to realize
The adjusting of front and back six degree of freedom up and down.Image processor 6 can be handled the image at the electronic edge of a knife 1, output electricity
1 size value of 1 displacement of moving knife mouth and the electronic edge of a knife.Image processor 6 and edge of a knife controller 3 and edge of a knife displacement drive motor 5 are real
It now communicates, image processor 6 can send edge of a knife displacement drive motor 5 for electronic 1 displacement of the edge of a knife, can be by the electronic edge of a knife
1 size value is sent to edge of a knife controller 3.Edge of a knife displacement drive motor 5 can receive the electronic edge of a knife 1 of the transmission of image processor 6
Displacement adjusts the movement of platform 4 so as to control six degree of freedom, and six degree of freedom adjusts platform 4 and drives rigid connection thereon
1 six degree of freedom of the electronic edge of a knife it is mobile.Edge of a knife controller 3 can receive 1 size value of the electronic edge of a knife of the transmission of image processor 6,
It is mobile to control the transportable edge of a knife slit of the electronic edge of a knife 1 " mouth " font four, adjusts the ruler of the edge of a knife " mouth " four slits of font
Very little size, to control the size of the electronic edge of a knife 1, the dimensional parameters of the electronic edge of a knife 1 are adjusted in realization.It is specific:
The edge of a knife includes horizontally disposed first blade, the second blade, the third blade being vertically arranged, fourth blade.Four blade compositions
" mouth " font, each blade are moved by respective Motor Control, and edge of a knife controller 3 controls the output of motor, to control
The movement of each blade, to achieve the purpose that control edge of a knife size.
Light spot image at the electronic edge of a knife 1 is imaged in edge of a knife monitoring camera 2, and the edge of a knife monitors camera 2 for collected knife
Mouthful image is sent to image processor 6, and image processor 6 handles electronic 1 image of the edge of a knife, obtain spot center position and
The range difference of the position at electronic 1 center of the edge of a knife obtains 1 size value of electronic 1 displacement of the edge of a knife and the electronic edge of a knife.Image processor 6
Electronic 1 displacement of the edge of a knife is input to edge of a knife displacement drive motor 5, it is flat that edge of a knife displacement drive motor 5 drives six degree of freedom to adjust
Platform 4 is mobile, and it is electronic 1 displacement of the edge of a knife that six degree of freedom, which adjusts 4 amount of movement of platform, so that the electronic edge of a knife 1 is moved to the electronic edge of a knife 1
Locate the center of hot spot.Image processor 6 handles electronic 1 image of the edge of a knife, obtains the margin location of hot spot at the electronic edge of a knife 1
It sets, the size value of the electronic edge of a knife 1 is input to edge of a knife controller 3, edge of a knife control by as electronic 1 size value of the edge of a knife, image processor 6
Device 3 processed controls the electronic edge of a knife 1 and adjusts the size value for arriving the electronic edge of a knife 1.
The edge of a knife monitoring and control method provided by the invention for facilitating schlieren system optical path to debug, steps are as follows:
1) edge of a knife monitoring camera 2 is observed electronic 1 position of the edge of a knife and knife-edge part spot size；
2) edge of a knife monitoring camera 2 transfers data to image processor 6, and image processor 6 handles data, obtains
1 size value of electronic 1 displacement of the edge of a knife and the electronic edge of a knife；
In step 2), image processor 6 handles data, specifically by the MATLAB software of image processor 6
Graphics process is carried out, the center of edge of a knife image is determined using centroid algorithm.
3) displacement of the electronic edge of a knife 1 is input to edge of a knife displacement drive motor 5 by image processor 6, by electronic 1 size value of the edge of a knife
It is input to edge of a knife controller 3；
4) edge of a knife displacement drive motor 5 and edge of a knife controller 3 adjust the positions and dimensions of the electronic edge of a knife 1；
5) the mobile cutting realized to slit picture of the edge of a knife.
Present system is a kind of system for substituting traditional manual adjusting edge of a knife cutting quantity.The system passes through visible light
The location status of the camera real-time monitoring edge of a knife controls to adjust cutting for the edge of a knife according to the edge of a knife regulated quantity of schlieren system work requirements
The amount of cutting, to obtain sensitivity index needed for work.Edge of a knife image prison is carried out in upper side specifically by Visible Light Camera
It surveys, image recognition and analysis is carried out to gained edge of a knife image using image processing techniques, according to desired edge of a knife cutting quantity, to knife
Mouth is adjusted, and can pass through the edge of a knife and monitor Real-time Feedback edge of a knife cut state.System successfully solves during schlieren trial
The edge of a knife frequently manually adjusts disadvantage, quickly, it is accurate, intelligently realize the schlieren edge of a knife and adjust operation, can schlieren afterwards
System edge of a knife development and popularization uses.
Claims (5)
1. it is a kind of facilitate schlieren system optical path debug edge of a knife monitor control system, it is characterised in that: including the electronic edge of a knife (1),
At edge of a knife monitoring camera (2), edge of a knife controller (3), six degree of freedom adjusting platform (4), edge of a knife displacement drive motor (5) and image
It manages device (6)；
The electronic edge of a knife (1) setting is adjusted on platform (4) in six degree of freedom；
The edge of a knife controller (3) connect with the electronic edge of a knife (1), and the dimensional parameters of the electronic edge of a knife (1) are adjusted；
Light spot image at the electronic edge of a knife (1) is imaged in edge of a knife monitoring camera (2), and collected edge of a knife image is sent out
It is sent to image processor (6), image processor (6) is connect with edge of a knife controller (3), edge of a knife displacement drive motor (5) respectively, real
Now to the control of edge of a knife controller (3), edge of a knife displacement drive motor (5)；
The edge of a knife displacement drive motor (5) adjusts platform (4) with six degree of freedom and connect, and control six degree of freedom adjusts platform (4)
Movement.
2. the edge of a knife monitor control system according to claim 1 for facilitating schlieren system optical path to debug, it is characterised in that: institute
The upper side that edge of a knife monitoring camera (2) is set to the electronic edge of a knife (1) is stated, Imaging: Monitoring is carried out to the hot spot at the electronic edge of a knife (1).
3. the edge of a knife monitor control system according to claim 1 for facilitating schlieren system optical path to debug, it is characterised in that: institute
Stating the electronic edge of a knife (1) is to have " mouth " font four moveable edge of a knife slits.
4. the controlling party based on any edge of a knife monitor control system for facilitating schlieren system optical path to debug of claims 1 to 3
Method, which comprises the following steps:
1) edge of a knife monitoring camera is observed electronic knife-edge positions and knife-edge part spot size；
2) edge of a knife monitoring camera transfers data to image processor, and image processor handles data, obtains electric knives
Mouth displacement and electronic edge of a knife size value；
3) electronic edge of a knife displacement is input to edge of a knife displacement drive motor by image processor, and electronic edge of a knife size value is input to
Edge of a knife controller；
4) edge of a knife displacement drive motor and edge of a knife controller adjust the positions and dimensions of the electronic edge of a knife；
5) the mobile cutting realized to slit picture of the edge of a knife.
5. the control method of the edge of a knife monitor control system according to claim 4 for facilitating schlieren system optical path to debug,
Be characterized in that: in step 2), image processor handles data, specifically by image processor MATLAB software into
Row graphics process determines the center of edge of a knife image using centroid algorithm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910403385.9A CN110186641B (en) | 2019-05-15 | 2019-05-15 | Knife edge monitoring control system and method convenient for schlieren system light path debugging |
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|---|---|---|---|
| CN201910403385.9A CN110186641B (en) | 2019-05-15 | 2019-05-15 | Knife edge monitoring control system and method convenient for schlieren system light path debugging |
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| CN110186641B CN110186641B (en) | 2024-05-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595497A (en) * | 2021-03-03 | 2021-04-02 | 南京臻恒光学仪器有限公司 | Machine vision-based digital knife edge instrument inspection method and system |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09101234A (en) * | 1995-10-04 | 1997-04-15 | Asahi Optical Co Ltd | Optical member inspection system |
| CN101403803A (en) * | 2008-10-29 | 2009-04-08 | 清溢精密光电（深圳）有限公司 | Iris diaphragm and diaphragm regulating method |
| CN103411534A (en) * | 2013-08-07 | 2013-11-27 | 中国电子科技集团公司第十一研究所 | Method and device for measuring spot size |
| CN104568141A (en) * | 2015-01-22 | 2015-04-29 | 中国科学院上海光学精密机械研究所 | Position-adjustable laser alignment detection device |
| CN205719274U (en) * | 2016-05-06 | 2016-11-23 | 中国科学院西安光学精密机械研究所 | The caliberating device of Shack-Hartmann wavefront sensor Frequency Response |
| CN206420752U (en) * | 2016-09-21 | 2017-08-18 | 四川海恩瑞捷测控技术有限公司 | The supporting and regulating device of schlieren system |
| CN206847555U (en) * | 2017-06-26 | 2018-01-05 | 四川物科光学精密机械有限公司 | The self-checking device of the schlieren edge of a knife |
| CN108267291A (en) * | 2016-12-30 | 2018-07-10 | 中国空气动力研究与发展中心超高速空气动力研究所 | A kind of schlieren edge of a knife accurate positioning device based on image |
| CN109143906A (en) * | 2018-10-19 | 2019-01-04 | 中国航空制造技术研究院 | A kind of intelligence diaphragm and laser calibration method |
| CN210005209U (en) * | 2019-05-15 | 2020-01-31 | 中国空气动力研究与发展中心超高速空气动力研究所 | knife edge monitoring control system convenient for schlieren system light path debugging |
-
2019
- 2019-05-15 CN CN201910403385.9A patent/CN110186641B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09101234A (en) * | 1995-10-04 | 1997-04-15 | Asahi Optical Co Ltd | Optical member inspection system |
| CN101403803A (en) * | 2008-10-29 | 2009-04-08 | 清溢精密光电（深圳）有限公司 | Iris diaphragm and diaphragm regulating method |
| CN103411534A (en) * | 2013-08-07 | 2013-11-27 | 中国电子科技集团公司第十一研究所 | Method and device for measuring spot size |
| CN104568141A (en) * | 2015-01-22 | 2015-04-29 | 中国科学院上海光学精密机械研究所 | Position-adjustable laser alignment detection device |
| CN205719274U (en) * | 2016-05-06 | 2016-11-23 | 中国科学院西安光学精密机械研究所 | The caliberating device of Shack-Hartmann wavefront sensor Frequency Response |
| CN206420752U (en) * | 2016-09-21 | 2017-08-18 | 四川海恩瑞捷测控技术有限公司 | The supporting and regulating device of schlieren system |
| CN108267291A (en) * | 2016-12-30 | 2018-07-10 | 中国空气动力研究与发展中心超高速空气动力研究所 | A kind of schlieren edge of a knife accurate positioning device based on image |
| CN206847555U (en) * | 2017-06-26 | 2018-01-05 | 四川物科光学精密机械有限公司 | The self-checking device of the schlieren edge of a knife |
| CN109143906A (en) * | 2018-10-19 | 2019-01-04 | 中国航空制造技术研究院 | A kind of intelligence diaphragm and laser calibration method |
| CN210005209U (en) * | 2019-05-15 | 2020-01-31 | 中国空气动力研究与发展中心超高速空气动力研究所 | knife edge monitoring control system convenient for schlieren system light path debugging |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595497A (en) * | 2021-03-03 | 2021-04-02 | 南京臻恒光学仪器有限公司 | Machine vision-based digital knife edge instrument inspection method and system |
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