KR101106935B1 - 전차선의 압상량 및 진동 검측장치 및 그 방법 - Google Patents
전차선의 압상량 및 진동 검측장치 및 그 방법 Download PDFInfo
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- KR101106935B1 KR101106935B1 KR1020090082277A KR20090082277A KR101106935B1 KR 101106935 B1 KR101106935 B1 KR 101106935B1 KR 1020090082277 A KR1020090082277 A KR 1020090082277A KR 20090082277 A KR20090082277 A KR 20090082277A KR 101106935 B1 KR101106935 B1 KR 101106935B1
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- 238000005096 rolling process Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title description 11
- 238000001514 detection method Methods 0.000 claims abstract description 84
- 238000007689 inspection Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 23
- 238000010586 diagram Methods 0.000 description 8
- 239000003550 marker Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000003068 static 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
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/28—Manufacturing or repairing trolley lines
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/16—Measuring force or stress, in general using properties of piezoelectric devices
- G01L1/162—Measuring force or stress, in general using properties of piezoelectric devices using piezoelectric resonators
- G01L1/167—Measuring force or stress, in general using properties of piezoelectric devices using piezoelectric resonators optical excitation or measuring of vibrations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/80—Analysis of captured images to determine intrinsic or extrinsic camera parameters, i.e. camera calibration
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- General Physics & Mathematics (AREA)
- Computer Vision & Pattern Recognition (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
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- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Quality & Reliability (AREA)
- Signal Processing (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
Description
Claims (4)
- 삭제
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- 촬영된 검측용 표지의 이미지 처리를 위한 기준영상을 설정하는 단계;상기 기준영상에 대한 카메라 촬영각에 의한 검측용 표지의 변형에 따른 화소 값을 보정하는 단계;전기차량 통과 전.후에 검측용 표지에 대한 촬영영상을 획득하는 단계;상기 검측용 표지에 대한 촬영영상에 대하여 상기 기준영상과 비교하여 화소의 상.하 변동값을 측정하는 단계; 및측정된 상기 화소의 상.하 변동값을 실제 전차선의 두께에 따른 화소값의 비율을 이용하여 실제 전차선의 상.하 변동값을 측정하는 단계를 포함하여 이루어지는 것을 특징으로 하는 전차선의 압상량 및 진동 검측방법에 있어서,상기 기준영상에 대한 카메라 촬영각에 의한 검측용 표지의 변형에 따른 화소 값을 보정하는 단계는(여기서 α는 고속카메라 촬영각도, β는 α에 수직으로 놓여진 검측용 표지의 각도(90-α), D는 검측용 표지의 지름, n은 검측용 표지의 높이를 나타내는 화소의 갯수, Nv는 검측용 표지의 세로방향 길이를 나타낸다.)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020090082277A KR101106935B1 (ko) | 2009-09-02 | 2009-09-02 | 전차선의 압상량 및 진동 검측장치 및 그 방법 |
Applications Claiming Priority (1)
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KR1020090082277A KR101106935B1 (ko) | 2009-09-02 | 2009-09-02 | 전차선의 압상량 및 진동 검측장치 및 그 방법 |
Publications (2)
Publication Number | Publication Date |
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KR20110024334A KR20110024334A (ko) | 2011-03-09 |
KR101106935B1 true KR101106935B1 (ko) | 2012-01-19 |
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KR1020090082277A Expired - Fee Related KR101106935B1 (ko) | 2009-09-02 | 2009-09-02 | 전차선의 압상량 및 진동 검측장치 및 그 방법 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103196372A (zh) * | 2013-04-11 | 2013-07-10 | 北京和润科仪科技有限公司 | 一种电气化铁路接触网支持装置的光学成像检测方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107743577B (zh) * | 2015-06-15 | 2020-06-09 | 韩国铁道技术研究院 | 用于检测电动铁道车辆的振动信息的方法和装置 |
CN109664797A (zh) * | 2019-02-27 | 2019-04-23 | 襄阳国铁机电股份有限公司 | 轨网检测系统及检测车 |
KR102265145B1 (ko) * | 2020-07-17 | 2021-06-15 | 한국철도공사 | 영상정보 기반 철도 콘크리트 도상 균열 검측 방법 |
CN115077833A (zh) * | 2022-08-02 | 2022-09-20 | 中国铁道科学研究院集团有限公司标准计量研究所 | 一种接触网定位器振动疲劳试验系统 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20090070169A (ko) * | 2007-12-27 | 2009-07-01 | 한국철도기술연구원 | 전차선로의 집전성능 평가시스템 |
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Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20090070169A (ko) * | 2007-12-27 | 2009-07-01 | 한국철도기술연구원 | 전차선로의 집전성능 평가시스템 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103196372A (zh) * | 2013-04-11 | 2013-07-10 | 北京和润科仪科技有限公司 | 一种电气化铁路接触网支持装置的光学成像检测方法 |
CN103196372B (zh) * | 2013-04-11 | 2016-04-13 | 北京和润科仪科技有限公司 | 一种电气化铁路接触网支持装置的光学成像检测方法 |
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KR20110024334A (ko) | 2011-03-09 |
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