CN103940374B - Group's hole perpendicularity detecting system that group's hole perpendicularity detection method of a kind of view-based access control model measurement and the view-based access control model of employing the method are measured - Google Patents

Group's hole perpendicularity detecting system that group's hole perpendicularity detection method of a kind of view-based access control model measurement and the view-based access control model of employing the method are measured Download PDF

Info

Publication number
CN103940374B
CN103940374B CN201410141149.1A CN201410141149A CN103940374B CN 103940374 B CN103940374 B CN 103940374B CN 201410141149 A CN201410141149 A CN 201410141149A CN 103940374 B CN103940374 B CN 103940374B
Authority
CN
China
Prior art keywords
hole
group
image
perpendicularity
access control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201410141149.1A
Other languages
Chinese (zh)
Other versions
CN103940374A (en
Inventor
汤勇
唐陶
陆龙生
张仕伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
South China University of Technology SCUT
Original Assignee
South China University of Technology SCUT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by South China University of Technology SCUT filed Critical South China University of Technology SCUT
Priority to CN201410141149.1A priority Critical patent/CN103940374B/en
Publication of CN103940374A publication Critical patent/CN103940374A/en
Priority to PCT/CN2014/092654 priority patent/WO2015154487A1/en
Application granted granted Critical
Publication of CN103940374B publication Critical patent/CN103940374B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/26Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
    • G01B11/27Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
    • G01B11/272Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes using photoelectric detection means

Abstract

The present invention relates to group's hole perpendicularity detecting system that a kind of view-based access control model is measured, including: industrial camera, reference location device, cold light source and system for detecting verticality;Part to be measured has two datum planes being parallel to each other, and group hole is uniformly distributed and is applied between two datum planes;Industrial camera just to datum plane, obtains the picture rich in detail in two side group holes under the illumination of cold light source;Reference location device is arranged on datum plane;System for detecting verticality is by the image in reference location device correction group hole, and is calculated the coordinate data in two group holes by image, two groups of coordinate datas calculate the perpendicularity in group hole.Further relate to group's hole perpendicularity detection method that a kind of view-based access control model is measured.The advantage that the present invention has simple in construction, easy to operate, efficiency is high, error is little, belongs to field of measuring technique.

Description

The group hole that group's hole perpendicularity detection method of a kind of view-based access control model measurement and the view-based access control model of employing the method are measured System for detecting verticality
Technical field
The present invention relates to field of measuring technique, particularly relate to a kind of view-based access control model and measure and the group hole of image procossing System for detecting verticality and method.
Background technology
Steam generator function in one loop of nuclear power station is that the heat of catalyst carrier in reactor is delivered to two Loop, makes secondary circuit side medium produce the steam of certain pressure through the dried steam supply of I and II steam-water separator Turbine works, and its quality directly affects power and the efficiency in power station.Steam generator is for water vapour heat While exchange provides steam power, also play a part to intercept radioactivity catalyst carrier, safe class belongs to I Level equipment, it is necessary to possess high reliability and safety.Tube sheet processing is technology requirement in steam generator One of critical process that the highest, manufacture difficulty is maximum.According to design, the gross thickness of the tube sheet of steam generator It is 584.58 millimeters, wherein nickel alloy cladding layer 6.4mm.Tube sheet processing is exactly drill gun 9280 on tube sheet 1930 pores in individual rectangular arrangement, tube sheet has two datum planes being parallel to each other, and group uniformly divides in hole Cloth and being applied between two datum planes, the axis in each hole is each perpendicular to datum plane.Deep hole perpendicularity The installation of rear bearing sheet that will directly influence of deviation, and can smoothly, accurately in nearly ten thousand pores Pass the U-tube bundle up to tens meters.
Traditional deep hole verticality measuring method is to utilize plug Simulation Center axis, and plug is inserted measured hole In, face on the basis of end face, measuring center axis and the angular deviation of end face.If but measured hole size is relatively Little or time hole depth is the biggest, measurement error is big and plug manufactures difficulty.Prior art also utilizes three seats in addition The method that measures of mark, but limited for pipe due to apparatus expensive and by place and workpiece size Plate part is inapplicable.
In sum, prior art has to deep hole squareness measurement following restriction and defect: 1, artificially read Record measurement data, error is relatively big, and certainty of measurement and measurement efficiency are the most relatively low;2, prior art uses core Stick simulating method, the measurement length of measured hole is limited by plug length, it is impossible to realize conveniently measuring, And owing to being matched in clearance between plug and measured hole, the error brought is bigger;3, due to hole number very Many, the time of measuring is long, and surveying record data are easily obscured.Therefore its measuring for verticality be badly in need of one rapidly and efficiently, The non-contact detection method that precision is high.
Summary of the invention
For technical problem present in prior art, it is an object of the invention to: provide a kind of contactless, Automatically group's hole perpendicularity detecting system and the method for the view-based access control model measurement of group hole measurement and perpendicularity calculating are carried out.
In order to achieve the above object, the present invention adopts the following technical scheme that
Group's hole perpendicularity detecting system that a kind of view-based access control model is measured, including: industrial camera, origin reference location fill Put, cold light source and system for detecting verticality;Part to be measured has two datum planes being parallel to each other, and group hole is uniform It is distributed and is applied between two datum planes;Industrial camera is just to datum plane, under the illumination of cold light source Obtain the picture rich in detail in two side group holes;Reference location device is arranged on datum plane;System for detecting verticality By the image in reference location device correction group hole, and calculated the coordinate data in two group holes by image, The perpendicularity in group hole is calculated by two groups of coordinate datas.
In part to be measured, group hole includes the hole that multiple rectangular array is arranged, and the axis in hole is perpendicular to datum plane. The most multiple holes are parallel to each other, and are applied between two datum planes.
Reference location device includes the station meter that four rhizospheres are rectangular;In group hole to be measured is enclosed in by station meter.
The two ends of station meter are provided with highlighted artificial retro-reflective target, and the certainty of measurement of station meter is less than 5um, The flatness of the lower surface of station meter is less than 10um, and the maximum gauge difference of station meter is 20um.Wherein, highlighted Artificial retro-reflective target is demarcated for the coordinate carrying out industrial camera;The length of station meter is surveyed through three coordinate machine Amount is demarcated and after temperature correction, precision is better than 5um, and it is relative that the certainty of measurement of station meter refers to measured length Departure degree in measured true value;The lower surface of station meter is better than 10um through milling back plane degree, preferably base The flatness of object staff lower surface and the maximum gauge of station meter are to ensure that station meter fits tightly with datum level.
The material of station meter is high intensity chromium tungsten manganese alloy.Additionally, station meter also can be selected for having the coefficient of expansion Little or the other materials of metastable requirement.
Station meter is screwed as rectangle;Reference location device also include some connect with station meter determine Position post.Locating dowel is that cone carries out coordinating of axis coinciding with selecting fixing hole on part to be measured.
System for detecting verticality includes: image processing system, data processing module and output display module;Figure As image clearly is carried out processing and obtaining the centre coordinate in each hole by processing system;Data processing module will The centre coordinate in each hole carries out perpendicularity conversion;Final result is exported by output display module.
Image processing system includes: read image module, image pre-processing module, coordinate marginal position module, Canny module, limb recognition module and ellipse fitting module;Image pre-processing module includes: image gray processing Submodule, image filtering submodule and image binaryzation submodule.The effect reading image module is to extract The frame rate of video image and the resolution information of image, image pre-processing module is that image is carried out gray scale Change processes, and Filtering Processing and binary conversion treatment, coordinate marginal position module is that the marginal position to image enters Row identifies, Canny module and limb recognition module are respectively used to be convenient for image border extracting and refinement, Ellipse fitting module is that the edge to the circle extracted is repaired further and obtained optimal ellipse.
Group's hole perpendicularity detection method that a kind of view-based access control model is measured, comprises the steps:
A. by the group hole subregion on the side datum plane of part to be measured and mark: when measuring for the first time, by upper left hole Be demarcated as (1,1) hole, label by left-to-right, be incremented by from top to bottom, i.e.Its Middle n is the positive integer more than 1, and is installed on by reference location device on this side datum plane, by this district group Hole surrounds;
B. mounting industrial camera, obtains the picture rich in detail of side datum plane in step a under the illumination of cold light source;
C. the image obtained in step b is processed by system for detecting verticality, determines the center and peripheral in hole, profit By the high accuracy known length value of reference location device as control condition, pass through geometric rectification of imagery, it is thus achieved that The orthograph picture of hole characteristic, corrects through ratio, obtains the actual value of hole characteristic amount, with the circle in (1,1) hole The heart is that initial point carries out Coordinate Conversion, obtains the central coordinate of circle in each hole, surveyed region, and stores;
D., part to be measured rotates 180 ° in the horizontal plane opposite side datum plane is obtained picture rich in detail and measures, Or directly opposite side datum plane obtained picture rich in detail and measure, now first hole in the upper right corner Be labeled as (1 ', 1 '), label by the right side to left, be incremented by from top to bottom, i.e.Obtain with (1 ', 1 ') after system for detecting verticality processes Under the new coordinate that the center of circle in hole is initial point the central coordinate of circle in each hole, survey region, and store;
E. two groups of coordinate datas are extracted, relatively (a, b) central coordinate of circle in hole of correspondence both sides, same hole datum plane (xa, yb) and the central coordinate of circle (x in (a ', b ') holea′, yb′), it is thus achieved thatWherein, a and b positive integer in 1 to n is chosen; The hole depth of this deep hole is H, then can obtain the perpendicularity in this hole, and the angle, θ of the axis runout in this hole is:
θ = tan - 1 ( L H ) ;
F. repeat step e and obtain porose perpendicularity, and judge whether qualified, result is exported.
In step c to e, first by reading image module reading picture, then will be obtained by image pre-processing module The picture taken, after image gray processing submodule processes, is filtered by image filtering submodule, finally by scheming The numerical value of the center and peripheral in each hole is proposed, finally with the length of reference location device as binaryzation submodule Utilize length constraint to list error equation group as controlling benchmark, calculate the necessary foreign side bit of picture Element, theoretical according to image coordinate correcting inclination and normal case photography, obtain the actual coordinate in group hole, part surface to be measured.
Generally speaking, present invention have the advantage that simple in construction, easy to operate, efficiency is high, error is little.
(1) group's hole perpendicularity detecting system that the view-based access control model of the present invention is measured, utilizes image processing system soft Part, automatically calculates the perpendicularity of each deep hole, and carries out showing and storing, and effectively reduces artificial reading, note Record and the error calculated.
(2) group's hole perpendicularity detecting system that the view-based access control model of the present invention is measured, it is only necessary to obtain part to be measured Surface image, and without the centering needed for picture traditional measurement method to complicated loaded down with trivial details steps such as the hearts, therefore, Both simplify measuring method, greatly reduce again the requirement on machining accuracy of system unit.
(3) group's hole perpendicularity detecting system that the view-based access control model of the present invention is measured, can measure multiple by batch simultaneously Deep hole, on the premise of meeting certainty of measurement, high degree improves detection efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of group's hole perpendicularity detecting system of a kind of view-based access control model measurement of the present invention.
Fig. 2 is the structural representation of the reference location device of the present invention.
Fig. 3 a and 3b is the image schematic diagram acquired in twice measurement.
Fig. 4 is the structured flowchart of system for detecting verticality.
Fig. 5 is the algorithm flow chart of image processing system.
Wherein, positioner on the basis of 1, plane on the basis of 2,3 is part to be measured, and 4 is cold light source, and 5 is work Industry camera, 6 is computer (system for detecting verticality is incorporated into wherein), and 11 is highlighted artificial light echo reflection mark Will, 12 is screw, chi on the basis of 13, and 14 is locating dowel, and 21-28 is hole.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
Fig. 1 is the structural representation of group's hole perpendicularity detecting system that a kind of view-based access control model of the present invention is measured, by Fig. 1 understands, and group's hole perpendicularity detecting system that a kind of view-based access control model is measured includes: reference location device, cold Light source, industrial camera and computer.Reference location device adsorbs on the side datum plane of part to be measured, work The outfan of industry camera is connected with computer.Part to be measured is the tube sheet of steam generator, has two to be parallel to each other Datum plane, group hole is uniformly distributed and is applied between two datum planes, and the axis in each hole is perpendicular to Datum plane, uniformly arranges along rectangular array on datum plane in the one end in group hole.During measurement, first to One datum plane detects, and now reference location device is arranged on this face, industrial camera and cold light source The most just to this face;After being measured of first datum plane, then second datum plane is detected.
Reference location device has four foundation object staffs, and highlighted artificial retro-reflective target is posted at station meter two ends, The length of station meter precision after three coordinate machine measures demarcation and temperature corrects is better than 5um.The material of station meter should Having that the coefficient of expansion is little or metastable requirement, this example selects high intensity chromium tungsten manganese alloy.Under station meter End face is better than 10um through milling back plane degree, and the difference of maximum gauge is 20um.Four foundation object staffs after processing It is screwed rear rectangular and collectively constitutes reference location device with locating dowel.During measurement, station meter will be treated Survey group hole to surround.
System for detecting verticality includes image processing system, data processing module and output display module.Figure Obtaining the centre coordinate in each hole as the image of acquisition is carried out processing by processing system, data processing module accepts After the centre coordinate in each hole, carry out perpendicularity conversion, and final result is exported through output display module.
Image processing system uses the form installing software in a computer, include altogether reading image module, Image pre-processing module, coordinate marginal position module, Canny module, limb recognition module and ellipse fitting Module.
Image pre-processing module by acquired picture through image gray processing submodule process after, by image filtering Submodule is filtered finally being proposed the numerical value of each point by image binaryzation submodule.
Image processing system, after obtaining image, utilizes length constraint using the length of station meter as controlling benchmark Condition lists error equation group, calculates the necessary elements of exterior orientation of image, according to image coordinate correcting inclination Theoretical with normal case photography, obtain treating on the datum level of plate pipe the actual coordinate of gaging hole;Finally carry out each hole Feature geometries is analyzed, it is achieved measure.
Utilizing the said detecting system detection method to group's hole perpendicularity, it is following that its feature is that the method includes Step, (as a example by 100 holes on part to be measured):
1, the hole that two datum planes in group hole are to be measured is carried out subregion and marks, first first benchmark of mark Plane, such as Fig. 3 a dashed region, when measuring for the first time, is demarcated as (1,1) by upper left hole Hole, i.e. hole 21, label is incremented by from top to bottom by left-to-right, i.e. (10,1) are hole 22, and (10,10) are hole 23, and (1,10) is hole 24;And origin reference location is filled Put and be arranged on this datum plane.
2, mounting industrial camera, make camera lens plane parallel with datum plane.Regulation cold light source and camera Focal length, obtains high quality graphic.
3, the digital picture received is processed by computer, accurately determines center of circular hole and edge, profit By the high accuracy known length value of station meter as control condition, pass through geometric rectification of imagery, it is thus achieved that pore is special The orthograph picture levied, corrects through ratio, obtains the actual value of pore characteristic quantity, with the center of circle in (1,1) hole Carry out Coordinate Conversion for initial point, be from left to right the positive direction of X-axis, be the positive direction of Y-axis from top to bottom, Obtain each hole, surveyed region central coordinate of circle, and store the first group of data obtained.
4, part to be measured is rotated 180 ° or at the opposite side of part to be measured, second datum plane is carried out again Second time is measured, and now first hole in the upper right corner is labeled as (1 ', 1 '), i.e. hole 25, label is by the right side extremely Left, be from top to bottom incremented by, i.e.Wherein, (10 ', 1 ') For hole 26, (1 ', 10 ') are hole 27, and (10 ', 10 ') are hole 28.Obtain after computer image procossing Under the new coordinate that the center of circle being able to (1 ', 1 ') hole is initial point the central coordinate of circle in each hole, survey region, and Store second group of data, be the positive direction of X-axis from right to left, be the positive direction of Y-axis from top to bottom.
5, extract two groups of data, the central coordinate of circle that relatively two ends, same hole are corresponding, such as (1,1) and (1 ', 1 '), it is thus achieved that
L = ( x 1 - x 1 ′ ) 2 + ( y 1 - y 1 ′ ) 2
The hole depth of this deep hole is H (H is directly to measure the distance between two datum planes), then can obtain hanging down of this hole Straight degree.The angle, θ of the axis runout in this hole is:
θ=tan-1(L/H);
Same method obtains porose perpendicularity, and judges whether qualified, is shown by final result.
The various parameter such as surface apertures, bridge also can be obtained in addition to perpendicularity.
Above-described embodiment is the present invention preferably embodiment, but embodiments of the present invention are not by above-described embodiment Restriction, the change made under other any spirit without departing from the present invention and principle, modify, replace In generation, combine, simplify, all should be the substitute mode of equivalence, within being included in protection scope of the present invention.

Claims (10)

1. group's hole perpendicularity detection method that a view-based access control model is measured, it is characterised in that: comprise the steps:
A. by the group hole subregion on the side datum plane of part to be measured and mark: when measuring for the first time, by upper left hole Be demarcated as (1,1) hole, label by left-to-right, be incremented by from top to bottom, i.e.Its Middle n is the positive integer more than 1, and is installed on by reference location device on this side datum plane, by this district group Hole surrounds;
B. mounting industrial camera, obtains the picture rich in detail of side datum plane in step a under the illumination of cold light source;
C. the image obtained in step b is processed by system for detecting verticality, determines the center and peripheral in hole, profit By the high accuracy known length value of reference location device as control condition, pass through geometric rectification of imagery, it is thus achieved that The orthograph picture of hole characteristic, corrects through ratio, obtains the actual value of hole characteristic amount, with the circle in (1,1) hole The heart is that initial point carries out Coordinate Conversion, obtains the central coordinate of circle in each hole, surveyed region, and stores;
D., part to be measured rotates 180 ° in the horizontal plane opposite side datum plane is obtained picture rich in detail and measures, Or directly opposite side datum plane obtained picture rich in detail and measure, now first hole in the upper right corner Be labeled as (1 ', 1 '), label by the right side to left, be incremented by from top to bottom, i.e.Obtain with (1 ', 1 ') after system for detecting verticality processes Under the new coordinate that the center of circle in hole is initial point the central coordinate of circle in each hole, survey region, and store;
E. two groups of coordinate datas are extracted, relatively (a, b) central coordinate of circle in hole of correspondence both sides, same hole datum plane (xa, yb) and the central coordinate of circle (x in (a ', b ') holea′, yb′), it is thus achieved that
Wherein, a and b positive integer in 1 to n is chosen; The hole depth in this hole is H, then can obtain the perpendicularity in this hole, and the angle, θ of the axis runout in this hole is:
θ = tan - 1 ( L H ) ;
F. repeat step e and obtain porose perpendicularity, and judge whether qualified, result is exported.
2. the group's hole perpendicularity detection method measured according to a kind of view-based access control model described in claim 1, it is characterised in that: In described step c to e, first by reading image module reading picture, then by image pre-processing module by acquired Picture through image gray processing submodule process after, image filtering submodule be filtered, by image two-value Beggar's module proposes the numerical value of the center and peripheral in each hole, finally using the length of reference location device as control Benchmark processed, utilizes length constraint to list error equation group, calculates the necessary elements of exterior orientation of picture, Theoretical according to image coordinate correcting inclination and normal case photography, obtain the actual coordinate in group hole, part surface to be measured.
3. use the one of group's hole perpendicularity detection method that a kind of view-based access control model described in claim 1 measures based on Group's hole perpendicularity detecting system of vision measurement, it is characterised in that: including: industrial camera, origin reference location fill Put, cold light source and system for detecting verticality;
Part to be measured has two datum planes being parallel to each other, and group hole is uniformly distributed and is applied between two datum planes; Industrial camera just to datum plane, obtains the picture rich in detail in two side group holes under the illumination of cold light source;
Reference location device is arranged on datum plane;
System for detecting verticality is by the image in reference location device correction group hole, and calculates two groups by image The coordinate data in hole, is calculated the perpendicularity in group hole by two groups of coordinate datas.
4. use the one of group's hole perpendicularity detection method that a kind of view-based access control model described in claim 3 measures based on Group's hole perpendicularity detecting system of vision measurement, it is characterised in that: in described part to be measured, group hole includes multiple The hole of rectangular array arrangement, the axis in hole is perpendicular to datum plane.
5. use the one of group's hole perpendicularity detection method that a kind of view-based access control model described in claim 3 measures based on Group's hole perpendicularity detecting system of vision measurement, it is characterised in that: described reference location device includes four rhizospheres Rectangular station meter;In group hole to be measured is enclosed in by station meter.
6. use the one of group's hole perpendicularity detection method that a kind of view-based access control model described in claim 5 measures based on Group's hole perpendicularity detecting system of vision measurement, it is characterised in that: the two ends of described station meter are provided with highlighted people Work retro-reflective target, the certainty of measurement of station meter is less than 5um, and the flatness of the lower surface of station meter is less than 10um, the maximum gauge difference of station meter is 20um.
7. use the one of group's hole perpendicularity detection method that a kind of view-based access control model described in claim 5 measures based on Group's hole perpendicularity detecting system of vision measurement, it is characterised in that: the material of described station meter is high intensity chromium Tungsten manganese alloy.
8. use the one of group's hole perpendicularity detection method that a kind of view-based access control model described in claim 5 measures based on Group's hole perpendicularity detecting system of vision measurement, it is characterised in that: described station meter is screwed as square Shape;Reference location device also includes some locating dowels connected with station meter.
9. use the one of group's hole perpendicularity detection method that a kind of view-based access control model described in claim 3 measures based on Group's hole perpendicularity detecting system of vision measurement, it is characterised in that: described system for detecting verticality includes: figure As processing system, data processing module and output display module;
Image clearly is carried out processing and obtaining the centre coordinate in each hole by image processing system;
The centre coordinate in each hole is carried out perpendicularity conversion by data processing module;
Final result is exported by output display module.
10. a kind of base of group's hole perpendicularity detection method that the employing a kind of view-based access control model described in claim 9 is measured Group's hole perpendicularity detecting system in vision measurement, it is characterised in that:
Described image processing system includes: read image module, image pre-processing module, coordinate marginal position module, Canny module, limb recognition module and ellipse fitting module;
Image pre-processing module includes: image gray processing submodule, image filtering submodule and image binaryzation submodule Block.
CN201410141149.1A 2014-04-09 2014-04-09 Group's hole perpendicularity detecting system that group's hole perpendicularity detection method of a kind of view-based access control model measurement and the view-based access control model of employing the method are measured Active CN103940374B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201410141149.1A CN103940374B (en) 2014-04-09 2014-04-09 Group's hole perpendicularity detecting system that group's hole perpendicularity detection method of a kind of view-based access control model measurement and the view-based access control model of employing the method are measured
PCT/CN2014/092654 WO2015154487A1 (en) 2014-04-09 2014-12-01 Grouped holes verticality detection system and method based on visual measurement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410141149.1A CN103940374B (en) 2014-04-09 2014-04-09 Group's hole perpendicularity detecting system that group's hole perpendicularity detection method of a kind of view-based access control model measurement and the view-based access control model of employing the method are measured

Publications (2)

Publication Number Publication Date
CN103940374A CN103940374A (en) 2014-07-23
CN103940374B true CN103940374B (en) 2017-01-04

Family

ID=51188145

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410141149.1A Active CN103940374B (en) 2014-04-09 2014-04-09 Group's hole perpendicularity detecting system that group's hole perpendicularity detection method of a kind of view-based access control model measurement and the view-based access control model of employing the method are measured

Country Status (2)

Country Link
CN (1) CN103940374B (en)
WO (1) WO2015154487A1 (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103940374B (en) * 2014-04-09 2017-01-04 华南理工大学 Group's hole perpendicularity detecting system that group's hole perpendicularity detection method of a kind of view-based access control model measurement and the view-based access control model of employing the method are measured
CN105159231B (en) * 2015-07-22 2018-02-16 中国地质大学(武汉) A kind of on-line calculation method of digital control system double end machining locus optimization
CN106441162A (en) * 2016-10-13 2017-02-22 中国科学院上海技术物理研究所 Cylindrical object verticality noncontact detection device and method
CN106767570A (en) * 2016-12-30 2017-05-31 苏州光宝科技股份有限公司 A kind of industrial measuring system
CN107560540B (en) * 2017-08-25 2023-07-07 西安工业大学 Sky curtain vertical target structural parameter factory calibration system and calibration method thereof
CN107525480B (en) * 2017-08-31 2021-06-04 长江存储科技有限责任公司 Deep hole measuring method and device
CN108188835B (en) * 2017-12-08 2020-11-10 西安交通大学 Machine vision-based numerical control machine tool spindle thermal elongation testing device and testing method
CN108022266B (en) * 2017-12-14 2024-02-02 杭州电子科技大学 Artificial intelligent image recognition method for photovoltaic cell on-line position detection
CN108662990B (en) * 2018-03-23 2020-08-11 舟山市宏基工业产品设计研究所 Inclination measuring device and method for inclined hole of cylinder cover
CN108759676B (en) * 2018-07-12 2023-11-03 浙江大学 Checkerboard-based transmission case end face large-size form and position tolerance detection device and method
CN109636858B (en) * 2018-10-30 2024-01-12 超音速人工智能科技股份有限公司 Lithium battery coating image acquisition calibration method, system, equipment and storage medium
CN109451283A (en) * 2018-12-21 2019-03-08 核动力运行研究所 A kind of steam generator water chamber ambient image acquisition system
CN110340728B (en) * 2019-06-13 2023-08-18 浙江大学 Quality control system and method for hole group machining in tractor manufacturing process
CN111442717B (en) * 2019-11-02 2020-11-13 福州恒术信息科技有限公司 Coordinate detection platform, method and storage medium
CN111121655B (en) * 2019-12-18 2021-01-19 浙江大学 Visual detection method for pose and aperture of coplanar workpiece with equal large hole patterns
CN112529869B (en) * 2020-12-11 2023-07-21 中国航空工业集团公司金城南京机电液压工程研究中心 Valve sleeve throttling square hole detection method
CN113008267B (en) * 2021-01-05 2023-09-15 上海大学 Level bar limit inclination qualification detection system and method based on image processing technology
CN113063351B (en) * 2021-03-23 2023-03-14 江南造船(集团)有限责任公司 Automatic measurement system and measurement method for pipe size deviation
CN113086238A (en) * 2021-03-29 2021-07-09 中国航空制造技术研究院 Automatic hole making and position online correction method based on reference hole position measurement
CN113237459B (en) * 2021-04-12 2022-10-11 机械工业第九设计研究院股份有限公司 Long-term monitoring method and monitoring system for building settlement
CN114170132B (en) * 2021-10-20 2023-05-05 中国航发四川燃气涡轮研究院 Flow tube static pressure hole quality detection method and system based on machine vision
CN114136341B (en) * 2021-11-30 2024-03-15 中国科学院长春光学精密机械与物理研究所 Theodolite calibration error detection method
CN114459345A (en) * 2021-12-22 2022-05-10 上海智能制造功能平台有限公司 System and method for detecting position and attitude of airplane body based on visual space positioning
CN114383505A (en) * 2022-01-06 2022-04-22 江苏大学 Automatic detection device for dimension of short shaft type part
CN116295125A (en) * 2023-04-21 2023-06-23 成都飞机工业(集团)有限责任公司 Hole perpendicularity measuring device and measuring method
CN116878381B (en) * 2023-08-01 2024-01-30 湖南视比特机器人有限公司 Online full-size detection method and system based on multi-eye vision

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101788265A (en) * 2010-03-25 2010-07-28 天津大学 Rapid measuring global uniform calibration method of engine cylinder junction surface hole group
CN101839697A (en) * 2010-04-20 2010-09-22 天津大学 Optical system for use in shaft hole diameter measurement
CN101865676A (en) * 2009-04-15 2010-10-20 中国科学院半导体研究所 Method for measuring verticality of side wall of photonic crystal hole

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4207327B2 (en) * 1999-09-10 2009-01-14 株式会社デンソー Rotation position detector
JP2001194133A (en) * 2000-01-17 2001-07-19 Nippon Dejitetsuku:Kk Method and apparatus for measuring concentricity of cylindrical parts
JP2002350110A (en) * 2001-05-28 2002-12-04 Tokyo Seimitsu Co Ltd Method and device for detecting center of work
JP2007010492A (en) * 2005-06-30 2007-01-18 Hitachi Metals Ltd Ceramic honeycomb filter inspection method
CN101435697B (en) * 2007-11-15 2011-12-07 比亚迪股份有限公司 Method and system for detecting position of through hole
JP5601984B2 (en) * 2010-11-16 2014-10-08 東洋鋼鈑株式会社 Perforated plate surface inspection method and perforated plate surface inspection device
CN102840842B (en) * 2012-09-06 2016-03-23 上海电气核电设备有限公司 Deep hole verticality laser measurement system and measuring method
CN103697837A (en) * 2013-12-20 2014-04-02 华南理工大学 Verticality laser detecting system with single-side expansion centring and detecting method thereof
CN103940374B (en) * 2014-04-09 2017-01-04 华南理工大学 Group's hole perpendicularity detecting system that group's hole perpendicularity detection method of a kind of view-based access control model measurement and the view-based access control model of employing the method are measured

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101865676A (en) * 2009-04-15 2010-10-20 中国科学院半导体研究所 Method for measuring verticality of side wall of photonic crystal hole
CN101788265A (en) * 2010-03-25 2010-07-28 天津大学 Rapid measuring global uniform calibration method of engine cylinder junction surface hole group
CN101839697A (en) * 2010-04-20 2010-09-22 天津大学 Optical system for use in shaft hole diameter measurement

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
多孔同轴度检测系统的研制;王培昌等;《光电子 激光》;20100130;第21卷(第1期);第87-90页 *

Also Published As

Publication number Publication date
WO2015154487A1 (en) 2015-10-15
CN103940374A (en) 2014-07-23

Similar Documents

Publication Publication Date Title
CN103940374B (en) Group's hole perpendicularity detecting system that group's hole perpendicularity detection method of a kind of view-based access control model measurement and the view-based access control model of employing the method are measured
CN102063718B (en) Field calibration and precision measurement method for spot laser measuring system
CN106863014B (en) A kind of five-axle number control machine tool linear axis geometric error detection method
CN103433810B (en) Complicated curve surface normal vector on-machine detection device and method
CN102183214B (en) Method for optically detecting large-aperture aspherical mirror structure
März et al. Validation of two optical measurement methods for the qualification of the shape accuracy of mirror panels for concentrating solar systems
CN103615980B (en) Method and system for measuring parameters of round holes in plate
CN107101597B (en) A kind of error calibrating method rotating angle measuring system
US20050067568A1 (en) Method and apparatus for internal feature reconstruction
CN204313798U (en) A kind of laser beam in-situ calibration device
CN104634248B (en) Revolving shaft calibration method under binocular vision
CN106524992A (en) High precision angle measurement system and method for spacecraft
CN103234496B (en) A kind of High-precision correction method of three coordinate measuring machine two-dimensional stage error
CN104251695B (en) System and centering measurement method thereof are measured in a kind of laser alignment
CN103026310B (en) Method for realizing the spatial transformation from machining points to reference points of installation survey
CN103697811B (en) A kind of camera is combined the method obtaining contour of object three-dimensional coordinate with structure light source
CN106813594A (en) Heavy caliber glancing incidence reflects focus lamp high-precision surface shape detection method
CN106595638A (en) Three-axis air floating platform attitude measuring device based on photoelectric tracking technology and measuring method
CN108759664A (en) A kind of nuclear fuel rod size detecting method and system based on telecentric optics
CN110487210A (en) Honeycomb core surface profile measurement method
CN106989670A (en) A kind of non-contact type high-precision large-scale workpiece tracking measurement method of robot collaboration
CN115205104A (en) Cylindrical target light spot calibration method
CN106289086A (en) A kind of for optical indicia dot spacing from the double camera measuring method of Accurate Calibration
CN109945811A (en) The shell section difference method for measurement and adjusting process of workpiece measurement platform, workpiece
CN110186397B (en) Device and method for measuring parallelism of guide rail

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant