JP2017530335A - リアルタイムビデオ伸び計 - Google Patents
リアルタイムビデオ伸び計 Download PDFInfo
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- JP2017530335A JP2017530335A JP2017502654A JP2017502654A JP2017530335A JP 2017530335 A JP2017530335 A JP 2017530335A JP 2017502654 A JP2017502654 A JP 2017502654A JP 2017502654 A JP2017502654 A JP 2017502654A JP 2017530335 A JP2017530335 A JP 2017530335A
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- 238000012360 testing method Methods 0.000 claims description 17
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims 2
- 238000003384 imaging method Methods 0.000 claims 2
- 230000000977 initiatory effect Effects 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 38
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 5
- 238000011156 evaluation Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 11
- 238000004154 testing of material Methods 0.000 description 9
- 238000006073 displacement reaction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000036962 time dependent Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording means
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
- G06T7/246—Analysis of motion using feature-based methods, e.g. the tracking of corners or segments
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/188—Capturing isolated or intermittent images triggered by the occurrence of a predetermined event, e.g. an object reaching a predetermined position
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0641—Indicating or recording means; Sensing means using optical, X-ray, ultraviolet, infrared or similar detectors
- G01N2203/0647—Image analysis
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30204—Marker
- G06T2207/30208—Marker matrix
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Theoretical Computer Science (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
Description
1.高速のデータ入力、データ処理及びデータ出力。
2.マイクロプロセッサ又はPCシステムの副次的影響なしでの、リアルタイムの決定的動作のためのハードウェア(FPGA)ベースのアルゴリズム実装。
3.多数のハードウェア部品が共に統合されるのではなく、単一の基板。
4.カメラ、処理システム及び出力デバイスの大幅なコスト低減。これは、非常に高い特異性を依然として達成しながら、価格順応性を提供する。
5.スタンドアロンビデオデバイスが、伸び又は歪みを直接出力し、多くの既存のシステムにおいて用いられ得る。
6.スタンドアロン機能に起因する使用の容易性。これは標準的なクリップ式の伸び計と類似している。
7.デバイスは、閉ループ制御に用いることができるレートでデータを提供することができる。
8.データレートが増大したことにより、デバイスを高速用途で用いることができる。例えば、これは、正弦波形で実行される動的システムに関してデータを収集し制御を実行するのに用いることができる。
Claims (14)
- 試験試料における伸び/歪みを測定するための伸び計であって、
応力を生じる負荷をかけられる試験試料の画像を生成するための撮像デバイスと、
試験試料の画像を受信し、試験試料における標的の移動を判断し、前記判断された標的の移動から伸び/歪みを求める計算デバイスであって、前記ビデオデバイス及び該計算デバイスは単一の回路基板上にある、計算デバイスと、
前記求められた伸び/歪みをリアルタイムで出力するための出力デバイスと、
を備える、伸び計。 - トリガー信号又は同期信号を受信して、動作又はタイムスタンプの付与を開始するための入力を更に含む、請求項1に記載の伸び計。
- 前記計算デバイスはフィールドプログラマブルゲートアレイを備える、請求項1に記載の伸び計。
- 前記計算デバイスはマイクロプロセッサを含む、請求項3に記載の伸び計。
- 前記マイクロプロセッサ及び前記フィールドプログラマブルゲートアレイは前記単一の回路基板上に位置する、請求項4に記載の伸び計。
- 伸び/歪みは、2つの直交する方向において求められる、請求項1に記載の伸び計。
- 伸び/歪みは、軸方向及び横方向において求められる、請求項1に記載の伸び計。
- 定密度空気管を更に備え、該定密度空気管を通じて、前記撮像デバイスが前記試験試料を見る、請求項1に記載の伸び計。
- 前記定密度空気管は、少なくとも1つのファンを備え、それによって仮想空気管を作成する、請求項8に記載の伸び計。
- 前記定密度空気管の前記少なくとも1つのファンは、前記単一の回路基板によって少なくとも部分的に制御される、請求項9に記載の伸び計。
- イーサネット(登録商標)接続を更に含む、請求項1に記載の伸び計。
- 前記試験試料を照明するための照明デバイスを更に備える、請求項1に記載の伸び計。
- 前記照明デバイスは偏光を発する、請求項1に記載の伸び計。
- 応力を生じる負荷にかけられた試験試料の画像を受信するための補助カメラリンクコネクタ入力を更に含む、請求項1に記載の伸び計。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201462029650P | 2014-07-28 | 2014-07-28 | |
US62/029,650 | 2014-07-28 | ||
PCT/US2015/037723 WO2016018541A1 (en) | 2014-07-28 | 2015-06-25 | Real-time video extensometer |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019230537A Division JP7069102B2 (ja) | 2014-07-28 | 2019-12-20 | リアルタイムビデオ伸び計 |
Publications (1)
Publication Number | Publication Date |
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JP2017530335A true JP2017530335A (ja) | 2017-10-12 |
Family
ID=53524985
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017502654A Withdrawn JP2017530335A (ja) | 2014-07-28 | 2015-06-25 | リアルタイムビデオ伸び計 |
JP2019230537A Active JP7069102B2 (ja) | 2014-07-28 | 2019-12-20 | リアルタイムビデオ伸び計 |
JP2022074320A Active JP7470150B2 (ja) | 2014-07-28 | 2022-04-28 | リアルタイムビデオ伸び計 |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019230537A Active JP7069102B2 (ja) | 2014-07-28 | 2019-12-20 | リアルタイムビデオ伸び計 |
JP2022074320A Active JP7470150B2 (ja) | 2014-07-28 | 2022-04-28 | リアルタイムビデオ伸び計 |
Country Status (6)
Country | Link |
---|---|
US (3) | US10502669B2 (ja) |
JP (3) | JP2017530335A (ja) |
CN (2) | CN115468841A (ja) |
DE (1) | DE112015002208T5 (ja) |
GB (2) | GB2569465B (ja) |
WO (1) | WO2016018541A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10782215B2 (en) | 2014-07-28 | 2020-09-22 | Illinois Tool Works Inc. | Real-time video extensometer |
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CN107367238A (zh) * | 2016-05-13 | 2017-11-21 | 浙江微科机电有限公司 | 一种新型便携式应变测试系统和测试方法 |
CN107167374A (zh) * | 2017-06-28 | 2017-09-15 | 王学斌 | 一种应用于试验机同步采集图像数据的机构 |
CN107976366A (zh) * | 2017-12-10 | 2018-05-01 | 北京工业大学 | 一种模拟类岩石材料裂隙扩展的实验观测装置和方法 |
CN109579721A (zh) * | 2018-12-07 | 2019-04-05 | 广州大学 | 一种基于视觉跟踪的双轴拉伸引伸计测量方法 |
US11808740B2 (en) * | 2019-03-01 | 2023-11-07 | University Of South Carolina | Systems and methods for measuring strain using removable reusable markers |
US11725932B2 (en) | 2019-06-25 | 2023-08-15 | Illinois Tool Works Inc. | Video extensometer system with reflective back screen |
US11803943B2 (en) * | 2019-06-25 | 2023-10-31 | Illinois Tool Works Inc. | Brightness and contrast correction for video extensometer systems and methods |
CN110702505B (zh) * | 2019-10-12 | 2020-09-25 | 北京航空航天大学 | 一种基于远心镜头和立方棱镜的双视场视频引伸计 |
JP2021173633A (ja) * | 2020-04-24 | 2021-11-01 | 株式会社島津製作所 | 材料試験機、及び材料試験機における表示方法 |
US11867668B2 (en) * | 2020-06-29 | 2024-01-09 | Illinois Tool Works Inc. | Thickness correction for video extensometer systems and methods |
US20220381660A1 (en) * | 2021-05-27 | 2022-12-01 | Illinois Tool Works Inc. | Systems and methods for error correction for video extensometers |
CN116839495A (zh) * | 2023-06-25 | 2023-10-03 | 深圳市海塞姆科技有限公司 | 基于激光散斑的形变视觉测量方法、视频引伸计及介质 |
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2015
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- 2015-06-25 JP JP2017502654A patent/JP2017530335A/ja not_active Withdrawn
- 2015-06-25 CN CN202211004017.5A patent/CN115468841A/zh active Pending
- 2015-06-25 GB GB1902300.1A patent/GB2569465B/en active Active
- 2015-06-25 WO PCT/US2015/037723 patent/WO2016018541A1/en active Application Filing
- 2015-06-25 GB GB1620426.5A patent/GB2543187B/en active Active
- 2015-06-25 US US15/327,986 patent/US10502669B2/en active Active
- 2015-06-25 CN CN201580039242.4A patent/CN106537087A/zh active Pending
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2019
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- 2019-12-20 JP JP2019230537A patent/JP7069102B2/ja active Active
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2020
- 2020-08-20 US US16/998,145 patent/US11002648B2/en active Active
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2022
- 2022-04-28 JP JP2022074320A patent/JP7470150B2/ja active Active
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10782215B2 (en) | 2014-07-28 | 2020-09-22 | Illinois Tool Works Inc. | Real-time video extensometer |
US11002648B2 (en) | 2014-07-28 | 2021-05-11 | Illinois Tool Works Inc. | Real-time video extensometer |
Also Published As
Publication number | Publication date |
---|---|
GB2569465B (en) | 2019-09-18 |
GB2543187B (en) | 2019-07-24 |
DE112015002208T5 (de) | 2017-01-26 |
US20170219468A1 (en) | 2017-08-03 |
JP2022093548A (ja) | 2022-06-23 |
GB2569465A (en) | 2019-06-19 |
GB201902300D0 (en) | 2019-04-03 |
JP7470150B2 (ja) | 2024-04-17 |
JP7069102B2 (ja) | 2022-05-17 |
WO2016018541A1 (en) | 2016-02-04 |
US10502669B2 (en) | 2019-12-10 |
US10782215B2 (en) | 2020-09-22 |
CN115468841A (zh) | 2022-12-13 |
US20200378877A1 (en) | 2020-12-03 |
GB2543187A (en) | 2017-04-12 |
CN106537087A (zh) | 2017-03-22 |
US20200103321A1 (en) | 2020-04-02 |
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US11002648B2 (en) | 2021-05-11 |
GB201620426D0 (en) | 2017-01-18 |
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