Showing 361 - 380 results of 813 for search 'detection cracking', query time: 0.09s Refine Results
  1. 361

    Multiaxial fatigue of in-service aluminium longerons for helicopter rotor-blades by A. Shanyavskiy, A. Toushentsov

    Published 2018-07-01
    “…It is not above the designed equivalent stress level. Crack growth period estimation in longerons based on fatigue striation spacing or meso-beach-marks measurements has shown that monitoring system introduced designer in longerons can be effectively used for in-time crack detecting independently on the failed section when can appeared because of various type of material faults or in-service damages.…”
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  2. 362

    Multiaxial fatigue of in-service aluminium longerons for helicopter rotor-blades by A. Shanyavskiy, A. Toushentsov

    Published 2016-06-01
    “…It is not above the designed equivalent stress level. Crack growth period estimation in longerons based on fatigue striation spacing or meso-beach-marks measurements has shown that monitoring system introduced designer in longerons can be effectively used for in-time crack detecting independently on the failed section when can appeared because of various type of material faults or in-service damages.…”
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    Article
  3. 363

    THE APPLICATION OF FRACTURE MECHANICS TO PREDICT THE FRANCIS HYDRAULIC TURBINES LIFETIME by E. V. Georgievskaia

    Published 2019-01-01
    “…Models take into account the size and position of detected or possible defects. Crack growth is determined by the combination of low- and high-frequency loads. …”
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  4. 364

    Thermal deformations and brightness temperature of the ice cover of freshwater bodies by S. V. Tsyrenzhapov, A. A. Gurulev

    Published 2020-08-01
    “…Interest in these structural changes had been arisen in connection with possible variations in the electromagnetic properties of the ice cover, which can be detected by non-contact radio wave measurements. These variations result from the presence of a quasiliquid layer on the surfaces of dry cracks (together with hoar-frost and snow in them), which can exist down to a temperature of −90 °C. …”
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  5. 365
  6. 366

    Simultaneous Wood Defect and Species Detection with 3D Laser Scanning Scheme by Zhao Peng, Li Yue, Ning Xiao

    Published 2016-01-01
    “…In this paper, a wood defect quantitative detection scheme and a wood species qualitative identification scheme are proposed simultaneously based on 3D laser scanning point cloud. …”
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    Article
  7. 367

    UAV-based inspection of wind turbine blade surface defects detection technology by TAN Xingguo, ZHANG Gaoming

    Published 2025-03-01
    “…The experimental results show that the detection accuracy of the proposed method for typical blade defects such as trachoma, scratch and crack is above 90%, especially the detection accuracy of crack defects can reach 95%, which verifies the effectiveness and accuracy of the algorithm in blade detection.…”
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  8. 368

    Analysis of Superresolution Methods in the Application to the Subsurface Sounding Radar for Detecting Hidden Objects by A. V. Grinkevich, V. V. Ivanets, M. S. Orabei, A. A. Denis

    Published 2024-06-01
    “…Their use makes it possible to develop a subsurface sensing radar capable of effectively identifying hidden objects in concrete walls, as well as detecting cracks, voids and defects in the walls of buildings and structures, snow debris and avalanches, underground communications and organic bodies in the ground.…”
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  9. 369

    Computer Vision-Based Detection and Classification of Road Obstacles: Systematic Literature Review by Hamza Assemlali, Soukaina Bouhsissin, Nawal Sael

    Published 2025-01-01
    “…This paper presents a systematic literature review (SLR) of 95 peer-reviewed studies published between 2015 and 2024, specifically focusing on computer vision-based approaches for detecting and classifying road anomalies, including potholes, cracks, manhole covers, and speed bumps. …”
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    Article
  10. 370

    Wavelet-Enhanced YOLO for Intelligent Detection of Welding Defects in X-Ray Films by Wenyong Wu, Hongyu Cheng, Jiancheng Pan, Lili Zhong, Qican Zhang

    Published 2025-04-01
    “…This study integrates wavelet transform convolutions (WTConv) into YOLOv11n, creating WT-YOLO, to enhance defect detection in X-ray films. Wavelet transforms enable multi-resolution analysis, extracting both high-frequency and low-frequency features critical for detecting various welding defects. …”
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    Article
  11. 371

    Intelligent Detection of Underwater Defects in Concrete Dams Based on YOLOv8s-UEC by Chenxi Liang, Yang Zhao, Fei Kang

    Published 2024-09-01
    “…Due to the scarcity of existing images of underwater concrete defects, this study establishes a dataset of underwater defect images by manually constructing defective concrete walls for the training of defect detection networks. For the defect feature ambiguity that exists in underwater defects, the ConvNeXt Block module and Efficient-RepGFPN structure are introduced to enhance the feature extraction capability of the network, and the P2 detection layer is fused to enhance the detection capability of small-size defects such as cracks. …”
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  12. 372

    Detecting subsurface diseases on airport road surface based on an improved SSD algorithm. by Mengmeng Pan, Huiguang Chen, Lipeng Yang, XianRong Jiang

    Published 2025-01-01
    “…Compared with the existing classical target detection algorithms, EFA-SSD has the highest mean average precision (mAP) in detecting four types of subsurface diseases, which provides a new idea for subsurface disease detection and contributes to the protection of aviation safety.…”
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  13. 373

    A Detection Method for Conveyor Belt Damage with Small Size and Low Contrast by HAN Yajie, HAO Xiaoli, NIU Baoning, XUE Jindong

    Published 2025-01-01
    “…[Findings] Experimental results demonstrate that the mean average precision of this model is increased by 3.92% compared with that of YOLOv4, and the detection accuracy of small-size crack damage and low-contrast wear damage is improved by 4.32% and 4.24%, respectively, which effectively solves the problems of missed detection and false detection.…”
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  14. 374

    DCW-YOLO: An Improved Method for Surface Damage Detection of Wind Turbine Blades by Li Zou, Anqi Chen, Chunzi Li, Xinhua Yang, Yibo Sun

    Published 2024-09-01
    “…Wind turbine blades (WTBs) are prone to damage from their working environment, including surface peeling and cracks. Early and effective detection of surface defects on WTBs can avoid complex and costly repairs and serious safety hazards. …”
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    Article
  15. 375

    Accidental Detection of Cocaine in Urine in Pediatric Patients: Case Series and Literature Review by Martina Focardi, Ilenia Bianchi, Marta Romanelli, Valentina Gori, Laura Nanni, Fabio Vaiano, Stefania Losi

    Published 2024-10-01
    “…The probable mode of intake was mostly through breastfeeding and continuous environmental exposure due to domestic contamination or inhalation of “crack”. In the case of a 12-hour-old infant, there was probable prenatal in utero exposure. …”
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  16. 376

    CT-Scans: Game-Changer in the Maintenance of PVC Drinking-Water Mains by Karel van Laarhoven, Amitosh Dash

    Published 2024-08-01
    “…CT-scans were successfully used to—for the first time—detect inclusions of foreign material in the pipe walls of PVC pipes. …”
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    Article
  17. 377

    Replica attack detection method for vehicular ad hoc networks with sequential trajectory segment by Yan Xin, Xia Feng

    Published 2019-02-01
    “…In vehicular ad hoc networks, attackers can disguise as replicas of legitimate vehicles by cracking or colluding and then use the identity replicas in a malicious way. …”
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  18. 378

    Application of Electrical Resistivity Tomography (ERT) in Detecting Abandoned Mining Tunnels Along Expressway by Mengyu Sun, Jian Ou, Tongsheng Li, Chuanghua Cao, Rong Liu

    Published 2025-02-01
    “…The settlement and deformation of abandoned mining tunnels can lead to cracking, deformation, or even the collapse of surface structures. …”
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  19. 379

    The use of probability models for simplified estimates of required reserves reliability control by Yu. V. Feshkin

    Published 2016-11-01
    “…The article discusses the use of a probabilistic model for simplified assessments required reserves reliability control (crack detection probability). Ratios and charts for estimating reliability coefficients of the probability of detection of a fatigue crack are given. …”
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  20. 380

    Real-Time Batch Detection System for Defects in Highly Curved Spiral Cylindrical Coils by Qinghang Zhuo, Linghua Kong, Jishi Zheng, Zhigang Ding, Wenguang Li, Dingrong Yi, Guofu Lian

    Published 2024-01-01
    “…Firstly, in order to solve the problem of difficulty, high cost, and low efficiency in manual detection caused by small and random surface cracks on tungsten coils, this paper proposes a surface crack detection method based on deep learning technology. …”
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    Article