WO2012023802A3 - 대형 복합재 구조물에서의 손상위치 표정 방법 및 그 장치 - Google Patents

대형 복합재 구조물에서의 손상위치 표정 방법 및 그 장치 Download PDF

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Publication number
WO2012023802A3
WO2012023802A3 PCT/KR2011/006045 KR2011006045W WO2012023802A3 WO 2012023802 A3 WO2012023802 A3 WO 2012023802A3 KR 2011006045 W KR2011006045 W KR 2011006045W WO 2012023802 A3 WO2012023802 A3 WO 2012023802A3
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WO
WIPO (PCT)
Prior art keywords
damage
source
locating
composite material
blade
Prior art date
Application number
PCT/KR2011/006045
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English (en)
French (fr)
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WO2012023802A2 (ko
Inventor
윤동진
한병희
김영주
Original Assignee
한국표준과학연구원
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.)
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Publication date
Application filed by 한국표준과학연구원 filed Critical 한국표준과학연구원
Priority to US13/817,153 priority Critical patent/US9523661B2/en
Priority to CN201180039726.0A priority patent/CN103221814B/zh
Publication of WO2012023802A2 publication Critical patent/WO2012023802A2/ko
Publication of WO2012023802A3 publication Critical patent/WO2012023802A3/ko

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
    • G01N29/0654—Imaging
    • G01N29/069—Defect imaging, localisation and sizing using, e.g. time of flight diffraction [TOFD], synthetic aperture focusing technique [SAFT], Amplituden-Laufzeit-Ortskurven [ALOK] technique
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/14—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object using acoustic emission techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/42—Detecting the response signal, e.g. electronic circuits specially adapted therefor by frequency filtering or by tuning to resonant frequency
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/023—Solids
    • G01N2291/0231—Composite or layered materials
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/26—Scanned objects
    • G01N2291/269—Various geometry objects
    • G01N2291/2693—Rotor or turbine parts

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Wind Motors (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

본 발명은 풍력발전기에 사용되는 블레이드의 손상위치를 추적하기 위한 풍력블레이드 손상위치 표정(source location) 방법에 관한 것으로, 좀 더 자세하게는 탄성파의 에너지 값을 기초로 작성된 감쇠지도를 이용하여 결함을 검출함으로써 대형 복합재료 구조물에서도 정확하게 손상위치 표정이 가능한 풍력블레이드의 손상위치 표정 방법 및 그 장치에 관한 것이다. 본 발명에서 제공하는 풍력블레이드의 손상위치 표정 방법은 종래 기술과는 달리 두 재료 이상을 사용하는 대형 복합재료 구조물에서도 정확한 손상위치 표정이 가능하며, AE센서의 숫자에서도 종래의 기술에 비해 적게 사용할 수 있다는 장점이 있다.
PCT/KR2011/006045 2010-08-17 2011-08-17 대형 복합재 구조물에서의 손상위치 표정 방법 및 그 장치 WO2012023802A2 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US13/817,153 US9523661B2 (en) 2010-08-17 2011-08-17 Method and apparatus for locating a source of damage in a large composite material structure
CN201180039726.0A CN103221814B (zh) 2010-08-17 2011-08-17 在大型复合材料结构物上的损伤位置定位方法及其装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020100079075A KR101157811B1 (ko) 2010-08-17 2010-08-17 대형 복합재 구조물에서의 손상위치 표정 방법
KR10-2010-0079075 2010-08-17

Publications (2)

Publication Number Publication Date
WO2012023802A2 WO2012023802A2 (ko) 2012-02-23
WO2012023802A3 true WO2012023802A3 (ko) 2012-05-03

Family

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PCT/KR2011/006045 WO2012023802A2 (ko) 2010-08-17 2011-08-17 대형 복합재 구조물에서의 손상위치 표정 방법 및 그 장치

Country Status (4)

Country Link
US (1) US9523661B2 (ko)
KR (1) KR101157811B1 (ko)
CN (1) CN103221814B (ko)
WO (1) WO2012023802A2 (ko)

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CN109085250B (zh) * 2018-09-17 2022-05-06 山东建筑大学 一种基于重心坐标的声发射结构损伤定位方法
JP2020079746A (ja) * 2018-11-13 2020-05-28 株式会社東芝 流体機械の壊食検知システム及び方法
KR102040492B1 (ko) * 2019-05-27 2019-11-27 주식회사 진성이엔지 음향방출 시험을 이용한 결함 진단 장치 및 방법
KR102204747B1 (ko) * 2019-07-08 2021-01-19 한국항공우주산업 주식회사 탄성파의 신호 에너지를 이용한 손상 탐지 방법
CN110967251B (zh) * 2019-12-02 2023-07-11 湘潭大学 用于风电叶片损伤模式识别的方法
CN111024821A (zh) * 2019-12-30 2020-04-17 大连理工大学 一种复合材料贮箱健康监测系统及方法
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Also Published As

Publication number Publication date
CN103221814A (zh) 2013-07-24
WO2012023802A2 (ko) 2012-02-23
US9523661B2 (en) 2016-12-20
KR101157811B1 (ko) 2012-06-22
US20130191040A1 (en) 2013-07-25
CN103221814B (zh) 2015-06-10
KR20120016703A (ko) 2012-02-27

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