成果/Result
- An optimized total focusing method based on delay-multiply-and-sum for nondestructive testing被引量：42收藏
- 作者：Teng, Da Liu, Lishuai Xiang, Yanxun Xuan, Fu-Zhen
- 机构：East China Univ Sci & Technol
- 来源：ULTRASONICS 2023
- 关键词：Phased array Synthetic focusing Delay-multiply-and-sum Total focusing method
- Optimal Configuration Strategies for Multiple Active Infrared Thermography in Defect Detection of Silicone Rubber-Epoxy Bonded Composite Materials被引量：31收藏
- 作者：Tu, Yanxin Cao, Bin Jiang, Zhuojun Liu, Lishuai Mei, Hongwei Wang, Liming
- 机构： Tsinghua Shenzhen International Graduate School; Shanghai Key Laboratory of Intelligent Sensing and Detection Technology
- 来源：SSRN 2024
- 关键词：Defects - Excited states - Feature extraction - Frequency modulation - Rubber - Silicones - Thermography (imaging)
- Deep learning enables nonlinear Lamb waves for precise location of fatigue crack被引量：30收藏
- 作者：Xu, Haiming Liu, Lishuai Xu, Jichao Xiang, Yanxun Xuan, Fu-Zhen
- 机构：East China Univ Sci & Technol;East China Univ Sci & Technol;East China Univ Sci & Technol
- 来源：STRUCTURAL HEALTH MONITORING-AN INTERNATIONAL JOURNAL 2024
- 关键词：Fatigue crack localization nonlinear Lamb waves relative value label Attention layer convolutional neural network
- Nonlinear ultrasonic detection of closed cracks in metal plates with phase-velocity mismatching被引量：28收藏
- 作者：Sun, Di Zhu, Wujun Qiu, Xunlin Liu, Lishuai Xiang, Yanxun Xuan, Fu -Zhen
- 机构：East China Univ Sci & Technol
- 来源：NDT & E INTERNATIONAL 2023
- 关键词：Ultrasonic nonlinearity Lamb waves Phase-velocity mismatching Closed crack
- Concentric diversity entropy: A high flexible feature extraction tool for identifying fault types with different structures被引量：24收藏
- 作者：Wang, Xianzhi Liu, Lishuai
- 机构：Xian Univ Posts & Telecommun;Northwestern Polytech Univ;East China Univ Sci & Technol
- 来源：MECHANICAL SYSTEMS AND SIGNAL PROCESSING 2022
- 关键词：Fault diagnosis Rotating machinery Feature extraction Concentric diversity entropy Complexity
- Transient thermal pattern separation and detection of conductive defects in composite insulators using eddy current pulsed thermography被引量：24收藏
- 作者：Tu, Yanxin Mei, Hongwei Liu, Lishuai Shen, Zekai Guo, Chenjun Wang, Liming
- 机构：Tsinghua Univ;East China Univ Sci & Technol;Elect Power Res Inst Yunnan Power Grid Co Ltd
- 来源：NDT & E INTERNATIONAL 2022
- 关键词：Composite insulator Conductive defects Eddy current pulsed thermography Transient thermal patterns
- Nonlinear ultrasonic characterization of average grain size based on deep learning被引量：22收藏
- 作者：Wu, Peng Liu, Lishuai Xiang, Yanxun Xuan, Fu-Zhen
- 机构： East China University Of Science And Technology; China Southern Power Grid Co.; Shanghai Institute Of Aircraft Mechanics And Control
- 来源：Proceedings of 2024 IEEE Far East NDT New Technology and Application Forum, FENDT 2024 2024
- 关键词：Grain growth - Grain size and shape - Materials testing - Ultrasonic testing
- A Semisupervised Learning Framework for Recognition and Classification of Defects in Transient Thermography Detection被引量：22收藏
- 作者：Liu, Lishuai Guo, Chenjun Xiang, Yanxun Tu, Yanxin Wang, Liming Xuan, Fu-Zhen
- 机构：East China Univ Sci & Technol;Yunnan Power Grid Co Ltd;Tsinghua Univ
- 来源：IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS 2022
- 关键词：Transient analysis Testing Substrates Thermal conductivity Support vector machines Reflection coefficient Feature extraction Defect type classification multiclass Laplacian support vector machine (MCLSVM) semisupervised learning (SSL) transient thermography
- Wavefield imaging of nonlinear ultrasonic Lamb waves for visualizing fatigue micro-cracks被引量：21收藏
- 作者：Xu, Haiming Liu, Lishuai Li, Xuan Xiang, Yanxun Xuan, Fu-Zhen
- 机构：East China Univ Sci & Technol
- 来源：ULTRASONICS 2024
- 关键词：Closed fatigue crack Nonlinear Lamb waves Laser interferometer Wavefield data
- Nonlinear Lamb wave phased array for revealing micro-damage based on the second harmonic reconstruction被引量：19收藏
- 作者：Xu, Haiming Liu, Lishuai Li, Xuan Peng, Siyuan Xiang, Yanxun Xuan, Fu-Zhen
- 机构：East China Univ Sci & Technol
- 来源：MECHANICAL SYSTEMS AND SIGNAL PROCESSING 2024
- 关键词：Nonlinear phased array imaging Lamb waves Closed fatigue crack Second harmonic Sparse representation
- Comparative analysis of single- and multiple-frequency thermal wave radar imaging inspection of glass fiber reinforced polymer (GFRP)被引量：15收藏
- 作者：Liu, Lishuai Mandelis, Andreas Melnikov, Alexander Wang, Liming
- 机构：East China Univ Sci & Technol;Univ Toronto;Inst Adv Nondestruct & Noninvas Diagnost Technol;Tsinghua Univ
- 来源：INTERNATIONAL JOURNAL OF EXTREME MANUFACTURING 2022
- 关键词：GFRP thermal wave radar testing parameters nondestructive testing
- Data-driven time-frequency analysis of nonlinear Lamb waves for characterization of grain size distribution被引量：15收藏
- 作者：Wu, Peng Liu, Lishuai Xiang, Yanxun Xuan, Fu-Zhen
- 机构：East China Univ Sci & Technol
- 来源：APPLIED ACOUSTICS 2023
- 关键词：Nonlinear ultrasonic technique Grain size distribution CNN Time-frequency analysis
- Enhanced total focus method for imaging heterogeneous metal bonded structures被引量：15收藏
- 作者：Liu, Wen Liu, Lishuai Wu, Wangsong Xiang, Yanxun Xuan, Fu-Zhen
- 机构： East China University Of Science And Technology; China Southern Power Grid Co.
- 来源：Proceedings of 2024 IEEE Far East NDT New Technology and Application Forum, FENDT 2024 2024
- 关键词：Iterative methods - Medical imaging - Nondestructive examination - Refraction - Ultrasonic imaging - Virtual reality
- Autonomous characterization of grain size distribution using nonlinear Lamb waves based on deep learning被引量：13收藏
- 作者：Liu, Lishuai Wu, Peng Xiang, Yanxun Xuan, Fu-Zhen
- 机构：East China Univ Sci & Technol
- 来源：JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2022
- 关键词：Deep learning - Inverse problems - Microstructural evolution - Ultrasonic testing - Ultrasonic waves - Wavelet decomposition
- Application of coded excitation in the Rayleigh wave detection of aluminum plates with narrow-magnet EMAT被引量：12收藏
- 作者：Lin, Junjie Guo, Xinfeng Liu, Lishuai Xiang, Yanxun Xuan, Fu-Zhen
- 机构： Shanghai Key Laboratory of Intelligent Sensing and Detection Technology
- 来源：Journal of Physics: Conference Series 2024
- 关键词：Acoustic fields - Acoustic noise - Acoustic transducers - Aluminum sheet - Electric excitation - Lifting magnets - Ultrasonic testing - Ultrasonic waves
- Lamb wave phased array imaging based on phase-amplitude compounding algorithm被引量：12收藏
- 作者：Li, Xuan Liu, Lishuai Xu, Haiming Hu, Zheng Xiang, Yanxun Xuan, Fu-Zhen
- 机构：East China Univ Sci & Technol
- 来源：MECHANICAL SYSTEMS AND SIGNAL PROCESSING 2023
- 关键词：Lamb wave phased array Dispersion compensation Total focusing method Phase coherence factor Multiple defects imaging
- 绝缘子室温硫化硅橡胶涂层热波模型及其涂覆质量无损检测方法被引量：11收藏
- 作者：郭晨鋆 刘立帅 涂彦昕 梅红伟 王黎明
- 机构：云南电网有限责任公司电力科学研究院;华东理工大学承压系统与安全教育部重点实验室;清华大学深圳国际研究生院
- 来源：《电工技术学报》 2022
- 关键词：室温硫化硅橡胶 光热辐射热波检测 热波模型 最小相频二次方根倒数 厚度测量
- 摘要：绝缘子室温硫化硅橡胶(RTV)涂层的涂覆质量是评价其应用效果的重要指标,涂覆施工过程中引入破损、杂质、脱粘、厚度不均匀或不达标等,各种形式缺陷,将严重影响绝缘子外绝缘性能,给设备安全可靠运行带来隐患。该文提出一种基于光热...
- 下载全文在线阅读
- 复合支柱绝缘子界面热波模型及其界面缺陷无损检测方法被引量：11收藏
- 作者：郭晨鋆 涂彦昕 刘立帅 梅红伟 王黎明
- 机构：云南电网有限责任公司电力科学研究院;深圳复杂滨海环境电力装备可靠性工程实验室(清华大学深圳国际研究生院);承压系统与安全教育部重点实验室(华东理工大学)
- 来源：《中国电机工程学报》 2021
- 关键词：界面热波模型 复合支柱绝缘子 界面缺陷 红外热波 频率特征 统计特征
- 摘要：为实现在变电站等环境下对复合支柱绝缘子界面缺陷进行高效率的无接触检测,构建复合支柱绝缘子界面热波模型,并提出复合支柱绝缘子界面缺陷的无损检测方法。该方法是在红外热波技术的基础上,利用热波频域特征和统计特征重构热图,以实现...
- 下载全文在线阅读
- Ultrasonic guided wave phased array based on reconstructed pulse-echo signals from phase information被引量：10收藏
- 作者：Li, Xuan Xiang, Yanxun Liu, Lishuai Xuan, Fu-Zhen
- 机构： Shanghai Key Laboratory of Intelligent Sensing and Detection Technology
- 来源：Journal of Physics: Conference Series 2024
- 关键词：Dispersions - Echo suppression - Guided electromagnetic wave propagation - Image reconstruction - Ultrasonic imaging - Ultrasonic testing - Ultrasonic waves
- Nonlinear Ultrasonic Phased Array Imaging based on Amplitude Modulation被引量：10收藏
- 作者：Teng, Da Liu, Zhiyong Liu, Lishuai Xiang, Yanxun
- 机构： East China University of Science And Technology
- 来源：IEEE International Ultrasonics Symposium, IUS 2021
- 关键词：Aluminum alloys - Fatigue crack propagation - Ultrasonic testing - Nondestructive examination - Tensile testing - Damage detection
- Photothermal Radar Shearography: A Novel Transient-Based Speckle Pattern Interferometry for Depth-Tomographic Inspection被引量：9收藏
- 作者：Liu, Lishuai Guo, Chenjun Xiang, Yanxun Tu, Yanxin Wang, Liming Xuan, Fu-Zhen
- 机构：East China Univ Sci & Technol;Yunnan Power Grid Co Ltd;Tsinghua Univ;Tsinghua Univ
- 来源：IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS 2022
- 关键词：Optical interferometry Strain Speckle Adaptive optics Optical surface waves Optical sensors Transient analysis Depth-tomographic inspection dynamic surface deformation photothermal radar shearography (PTRS) three-dimensional (3-D) visualization transient-based interferometry
- Deep learning-based solvability of underdetermined inverse problems in nonlinear ultrasonic characterization of micro damages被引量：9收藏
- 作者：Liu, Lishuai Sun, Di Xiang, Yanxun Xuan, Fu-Zhen
- 机构：East China Univ Sci & Technol
- 来源：JOURNAL OF APPLIED PHYSICS 2022
- 关键词：Damage detection - Deep learning - Differential equations - Discrete wavelet transforms - Inverse problems - Surface waves - Ultrasonic testing - Ultrasonic waves
- A data augmentation approach for improving data-driven nonlinear ultrasonic characterization based on generative adversarial U-net被引量：8收藏
- 作者：Wu, Peng Liu, Lishuai Song, Ailing Xiang, Yanxun Xuan, Fu-Zhen
- 机构：East China Univ Sci & Technol
- 来源：APPLIED ACOUSTICS 2024
- 关键词：Nonlinear ultrasonic technology Deep learning Generative Adversarial Network
- Baseline-free damage localization in multilayer metallic spherical shell structures using guided wave tomography被引量：8收藏
- 作者：Liu, Wen Liu, Lishuai Wan, Qiang Xiang, Yanxun Xuan, Fu-Zhen
- 机构：East China Univ Sci & Technol;China Acad Engn Phys
- 来源：NDT & E INTERNATIONAL 2024
- 关键词：RAPID Multi-layer spherical shell structure Virtual time reversal Damage location Damage index
- Health Monitoring of RTV Silicone Rubber Coating on Insulators Based on Multimode Features of Active Infrared Thermography被引量：8收藏
- 作者：Liu, Lishuai Guo, Chenjun Xiang, Yanxun Tu, Yanxin Mei, Hongwei Wang, Liming Xuan, Fu-Zhen
- 机构：East China Univ Sci & Technol;Yunnan Power Grid Co Ltd;Tsinghua Univ
- 来源：IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT 2022
- 关键词：Coatings Photothermal effects Surface treatment Thickness measurement Inspection Frequency-domain analysis Transient analysis Active infrared thermography (AIT) electrical insulator frequency aliasing multimode features room-temperature vulcanized (RTV) coating thickness measurement
- Discretized tensor-based model of total focusing method: A sparse regularization approach for enhanced ultrasonic phased array imaging被引量：8收藏
- 作者：Zhao, Zhiyuan Liu, Lishuai Liu, Wen Teng, Da Xiang, Yanxun Xuan, Fu-Zhen
- 机构：East China Univ Sci & Technol
- 来源：NDT & E INTERNATIONAL 2024
- 关键词：TFM FMC Discretized tensor-based model Sparse regularization ReLU-FISTA
- Review of Non-Destructive Testing Methods for Defects in Insulating Polymers被引量：7收藏
- 作者：Wang, Liming Tu, Yanxin Cao, Bin Liu, Yuhao Mei, Hongwei Liu, Lishuai Yin, Fanghui
- 机构：Tsinghua Univ;Fuzhou Univ;East China Univ Sci & Technol
- 来源：CSEE JOURNAL OF POWER AND ENERGY SYSTEMS 2025
- 关键词：Defect generation electrical testing insulating polymers insulating polymers non-electrical testing non-electrical testing nondestructive testing nondestructive testing nondestructive testing
- DEFECT IMAGING TECHNIQUE FOR ELECTRICAL PORCELAIN BUSHINGS UTILIZING LASER-EXCITED THERMAL DIFFUSION WAVES被引量：7收藏
- 作者：Wu, Wangsong Liu, Lishuai
- 机构： Electric Power Research Institute; Shanghai Key Laboratory of Intelligent Sensing and Detection Technology
- 来源：Proceedings of the 2024 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications, SPAWDA 2024 2024
- 关键词：Bushings - Infrared transmission - Laser excitation - Laser power transmission - Luminescence - Thermography (imaging)
- A multiscale residual U-net architecture for super-resolution ultrasonic phased array imaging from full matrix capture data被引量：6收藏
- 作者：Liu, Lishuai Liu, Wen Teng, Da Xiang, Yanxun Xuan, Fu-Zhen
- 机构：East China Univ Sci & Technol
- 来源：JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2023
- 关键词：Deep learning - Matrix algebra - Ultrasonic imaging - Ultrasonic testing
- Distance Effect in Transient Thermography for Internal Defects Detection in Composites被引量：5收藏
- 作者：Tu, Yanxin Mei, Hongwei Liu, Lishuai Sun, Rui Guo, Chenjun Shen, Zekai Wang, Liming
- 机构：Tsinghua Univ;East China Univ Sci & Technol;China Southern Power Grid Co
- 来源：IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT 2022
- 关键词：Transient analysis Temperature measurement Cameras Heating systems Safety Inspection Feature extraction Composites detection effect transient thermography various distance
