FR3105527B1 - METHOD FOR MONITORING A STRUCTURE BY IMAGE PROCESSING - Google Patents

METHOD FOR MONITORING A STRUCTURE BY IMAGE PROCESSING Download PDF

Info

Publication number
FR3105527B1
FR3105527B1 FR1914894A FR1914894A FR3105527B1 FR 3105527 B1 FR3105527 B1 FR 3105527B1 FR 1914894 A FR1914894 A FR 1914894A FR 1914894 A FR1914894 A FR 1914894A FR 3105527 B1 FR3105527 B1 FR 3105527B1
Authority
FR
France
Prior art keywords
current
modal
residual
monitoring
determination
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
FR1914894A
Other languages
French (fr)
Other versions
FR3105527A1 (en
Inventor
Jordan Curt
Matteo Capaldo
Stéphane Roux
François Hild
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.)
Electricite de France SA
Centre National de la Recherche Scientifique CNRS
Ecole Normale Superieure de Paris Saclay
Original Assignee
Electricite de France SA
Centre National de la Recherche Scientifique CNRS
Ecole Normale Superieure de Paris Saclay
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 Electricite de France SA, Centre National de la Recherche Scientifique CNRS, Ecole Normale Superieure de Paris Saclay filed Critical Electricite de France SA
Priority to FR1914894A priority Critical patent/FR3105527B1/en
Publication of FR3105527A1 publication Critical patent/FR3105527A1/en
Application granted granted Critical
Publication of FR3105527B1 publication Critical patent/FR3105527B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G06T7/001—Industrial image inspection using an image reference approach
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/08—Testing mechanical properties
    • G01M11/081—Testing mechanical properties by using a contact-less detection method, i.e. with a camera
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0091—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by using electromagnetic excitation or detection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/254—Analysis of motion involving subtraction of images
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/269—Analysis of motion using gradient-based methods
    • 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
    • G06T2207/10—Image acquisition modality
    • G06T2207/10016—Video; Image sequence
    • 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
    • G06T2207/20—Special algorithmic details
    • G06T2207/20048—Transform domain processing
    • G06T2207/20056—Discrete and fast Fourier transform, [DFT, FFT]
    • 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
    • G06T2207/20—Special algorithmic details
    • G06T2207/20081—Training; Learning
    • 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
    • G06T2207/30108—Industrial image inspection
    • G06T2207/30164—Workpiece; Machine component
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Multimedia (AREA)
  • Electromagnetism (AREA)
  • Quality & Reliability (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Image Analysis (AREA)

Abstract

Procédé (P) de surveillance d’une structure par traitement d’images comprenant : (A) une phase d’apprentissage comprenant des étapes de : (A2) détermination pour des images d’apprentissage d’une surface de la structure d’un champ de déplacement d’apprentissage par une technique de corrélation d’images, (A3) construction d’une base de champs de déplacement modaux par une technique de réduction de modèle, (A4) détermination d’un seuil de résidu et d’une plage de valeurs attendues d’une amplitude modale, (S) une phase de surveillance comprenant des étapes de : (S1) acquisition d’une image courante de la portion, (S2) détermination d’un champ de déplacement courant, d’amplitudes modales courantes et d’un résidu courant, et (S3) génération d’une alerte lorsqu’une des amplitudes modales courantes prend une valeur à l’extérieur de la plage de valeurs attendues de l’amplitude modale ou lorsqu’une norme du résidu courant dépasse le seuil de résidu. Figure pour l’abrégé : Fig. 3Method (P) for monitoring a structure by image processing comprising: (A) a learning phase comprising steps of: (A2) determination for learning images of a surface of the structure of a learning displacement field by an image correlation technique, (A3) construction of a base of modal displacement fields by a model reduction technique, (A4) determination of a residual threshold and a range of expected values of a modal amplitude, (S) a monitoring phase comprising steps of: (S1) acquisition of a current image of the portion, (S2) determination of a current displacement field, of amplitudes current modal amplitudes and a current residual, and (S3) generating an alert when one of the current modal amplitudes takes a value outside the range of expected values of the modal amplitude or when a norm of the residual current exceeds the residual threshold. Figure for abstract: Fig. 3

FR1914894A 2019-12-19 2019-12-19 METHOD FOR MONITORING A STRUCTURE BY IMAGE PROCESSING Active FR3105527B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1914894A FR3105527B1 (en) 2019-12-19 2019-12-19 METHOD FOR MONITORING A STRUCTURE BY IMAGE PROCESSING

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1914894 2019-12-19
FR1914894A FR3105527B1 (en) 2019-12-19 2019-12-19 METHOD FOR MONITORING A STRUCTURE BY IMAGE PROCESSING

Publications (2)

Publication Number Publication Date
FR3105527A1 FR3105527A1 (en) 2021-06-25
FR3105527B1 true FR3105527B1 (en) 2022-01-07

Family

ID=72088162

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1914894A Active FR3105527B1 (en) 2019-12-19 2019-12-19 METHOD FOR MONITORING A STRUCTURE BY IMAGE PROCESSING

Country Status (1)

Country Link
FR (1) FR3105527B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117146727B (en) * 2023-10-30 2024-01-30 北京通泰恒盛科技有限责任公司 Tower tube welding seam monitoring method and system based on machine vision

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10845187B2 (en) * 2018-03-02 2020-11-24 Drexel University Multiscale deformation measurements leveraging tailorable and multispectral speckle patterns
CN109918614B (en) * 2019-03-14 2022-10-14 合肥工业大学 Global dynamic strain measurement method based on modal learning
CN109900712B (en) * 2019-04-17 2022-03-29 中国人民解放军国防科技大学 Wind power blade mechanical fault on-line detection system and method based on camera measurement
CN110146024B (en) * 2019-06-06 2023-03-14 重庆大学 Double-precision displacement measurement method based on self-adaptive search

Also Published As

Publication number Publication date
FR3105527A1 (en) 2021-06-25

Similar Documents

Publication Publication Date Title
Yoon et al. Target‐free approach for vision‐based structural system identification using consumer‐grade cameras
EP3379360A3 (en) Anomaly detection system and anomaly detection method
US20210263598A1 (en) Method and system for determining a correct reproduction of a movement
EP3267289A3 (en) Information processing apparatus, position information generation method, and information processing system
US10186042B2 (en) Object matching method and camera system with an object matching function
EP3029604A3 (en) Area information estimating device, area information estimating method, and air conditioning apparatus
WO2020240526A1 (en) Proximity-based model for indoor localization using wireless signals
JP2014151149A5 (en) Motion analysis device, motion analysis system, and motion analysis method
JP2017067666A5 (en)
EP3177040A3 (en) Information processing apparatus, information processing method, and program
EP4325384A3 (en) Anomalous access point detection
EP3236424A3 (en) Information processing apparatus and method of controlling the same
EP3540639A1 (en) Image processing apparatus, network camera system, image processing method, computer-readable medium, and program
GB2595192A (en) Systems and methods for weapon and destructive device detection based on electromagnetic field profile
US20170276549A1 (en) System and method for monitoring abnormal behavior
FR3105527B1 (en) METHOD FOR MONITORING A STRUCTURE BY IMAGE PROCESSING
JP2019159739A5 (en)
CN108629794A (en) Object method for tracing and system
JP2015216631A5 (en)
CN105513037A (en) Angular point detection method and angular point detection device
AU2018253963A1 (en) Detection system, detection device and method therefor
WO2016208173A1 (en) Signal detection device, signal detection method, and recording medium
EP4242630A3 (en) Trans-illumination imaging with use of interference fringes to enhance contrast and find focus
WO2019190492A8 (en) Systems and methods for adjusting a media consumption environment based on changes in status of an object
JP2020165950A (en) Device, method, and system for detecting state of exercise based on wireless signal

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 2

PLSC Publication of the preliminary search report

Effective date: 20210625

PLFP Fee payment

Year of fee payment: 3

PLFP Fee payment

Year of fee payment: 4

PLFP Fee payment

Year of fee payment: 5