SG11202009457UA - Method and apparatus for detecting condition of a bolt on a bolted structure - Google Patents

Method and apparatus for detecting condition of a bolt on a bolted structure

Info

Publication number
SG11202009457UA
SG11202009457UA SG11202009457UA SG11202009457UA SG11202009457UA SG 11202009457U A SG11202009457U A SG 11202009457UA SG 11202009457U A SG11202009457U A SG 11202009457UA SG 11202009457U A SG11202009457U A SG 11202009457UA SG 11202009457U A SG11202009457U A SG 11202009457UA
Authority
SG
Singapore
Prior art keywords
bolt
detecting condition
bolted structure
bolted
detecting
Prior art date
Application number
SG11202009457UA
Inventor
Jierong Cheng
Wei Xiong
Jia Du
Wenyu Chen
Original Assignee
Agency Science Tech & Res
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 Agency Science Tech & Res filed Critical Agency Science Tech & Res
Publication of SG11202009457UA publication Critical patent/SG11202009457UA/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/12—Edge-based segmentation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N20/00—Machine learning
    • G06N20/10—Machine learning using kernel methods, e.g. support vector machines [SVM]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N3/00—Computing arrangements based on biological models
    • G06N3/02—Neural networks
    • G06N3/08—Learning methods
    • 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
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/32—Normalisation of the pattern dimensions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/44—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/46—Descriptors for shape, contour or point-related descriptors, e.g. scale invariant feature transform [SIFT] or bags of words [BoW]; Salient regional features
    • G06V10/462—Salient features, e.g. scale invariant feature transforms [SIFT]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
    • F16B2200/95—Constructional details of connections not covered for in other groups of this subclass with markings, colours, indicators or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B31/00—Screwed connections specially modified in view of tensile load; Break-bolts
    • F16B31/04—Screwed connections specially modified in view of tensile load; Break-bolts for maintaining a tensile load
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
    • F16B39/20—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of steel wire or the like
    • 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
    • G06T2207/10024—Color image
    • 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
    • G06T2207/20061—Hough transform
    • 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
    • G06T2207/20—Special algorithmic details
    • G06T2207/20084—Artificial neural networks [ANN]
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Multimedia (AREA)
  • Software Systems (AREA)
  • Mathematical Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Data Mining & Analysis (AREA)
  • Computing Systems (AREA)
  • Evolutionary Computation (AREA)
  • Biomedical Technology (AREA)
  • Computational Linguistics (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Quality & Reliability (AREA)
  • Medical Informatics (AREA)
  • Image Analysis (AREA)
SG11202009457UA 2018-03-29 2019-03-29 Method and apparatus for detecting condition of a bolt on a bolted structure SG11202009457UA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SG10201802681S 2018-03-29
PCT/SG2019/050177 WO2019190405A1 (en) 2018-03-29 2019-03-29 Method and apparatus for detecting condition of a bolt on a bolted structure

Publications (1)

Publication Number Publication Date
SG11202009457UA true SG11202009457UA (en) 2020-10-29

Family

ID=68062630

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202009457UA SG11202009457UA (en) 2018-03-29 2019-03-29 Method and apparatus for detecting condition of a bolt on a bolted structure

Country Status (2)

Country Link
SG (1) SG11202009457UA (en)
WO (1) WO2019190405A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016214705B4 (en) * 2016-08-08 2022-05-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Device for monitoring the mechanical connection points of a system
CN110992361A (en) * 2019-12-25 2020-04-10 创新奇智(成都)科技有限公司 Engine fastener detection system and detection method based on cost balance
JP7200955B2 (en) * 2020-01-20 2023-01-10 Ｊｆｅエンジニアリング株式会社 BOLT INSPECTION DEVICE, BOLT INSPECTION SYSTEM, BOLT INSPECTION METHOD AND PROGRAM
CN112084588A (en) * 2020-08-31 2020-12-15 东风商用车有限公司 Support bolt arrangement method using simulation optimization
CN112365481B (en) * 2020-11-13 2021-06-18 哈尔滨市科佳通用机电股份有限公司 Method for detecting bolt loss of cross beam assembly based on image processing
CN112419297B (en) * 2020-12-04 2024-06-04 中冶建筑研究总院（深圳）有限公司 Bolt loosening detection method, device, equipment and storage medium
CN112967252B (en) * 2021-03-05 2021-10-22 哈尔滨市科佳通用机电股份有限公司 Rail vehicle machine sense hanger assembly bolt loss detection method
CN114820620B (en) * 2022-06-29 2022-09-13 中冶建筑研究总院（深圳）有限公司 Bolt loosening defect detection method, system and device
CN117635520A (en) * 2023-03-20 2024-03-01 南昌工程学院 Elastic strip fastener tightness detection method by fusing two-dimensional image and three-dimensional point cloud
CN117029733B (en) * 2023-10-08 2024-01-26 中冶建筑研究总院有限公司 Bolt loosening detection method, system and device based on computer vision
CN117036360B (en) * 2023-10-10 2024-01-16 深圳市磐锋精密技术有限公司 Screw visual positioning method and system based on image analysis

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106485694B (en) * 2016-09-11 2019-04-16 西南交通大学 A kind of high iron catenary double-jacket tube connector six-sided nut based on cascade classifier falls off defective mode detection method
CN106778740A (en) * 2016-12-06 2017-05-31 北京航空航天大学 A kind of TFDS non-faulting image detecting methods based on deep learning

Also Published As

Publication number Publication date
WO2019190405A1 (en) 2019-10-03

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