Aluminum sheath corrosion detection method and system based on variational self-coding network, and medium

• Main Authors: LING YING, ZHANG TAO, LI HANRU, LI MENG, SHI YINXIA, HUANG JIASHENG, ZHANG FEI, HAN ZHUOZHAN
• Format: Patent
• Language: Chinese; English
• Published: 09.05.2023
• Subjects: CALCULATING; COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS; COMPUTING; COUNTING; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention relates to the technical field of nondestructive testing, in particular to an aluminum sheath corrosion detection method and system based on a variational self-encoding network and a medium. According to the method provided by the invention, axial and circumferential guide wave signals are obtained, discrete wavelet transform is utilized to obtain time-frequency diagrams of the axial and circumferential guide wave signals, a cable aluminum sheath corrosion detection variational self-encoding network model is constructed, and the cable aluminum sheath corrosion detection variational self-encoding network model is utilized to perform axial and circumferential positioning of defects. And high-precision cable aluminum sheath corrosion detection is realized. 本发明涉及无损检测技术领域，特别涉及一种基于变分自编码网络的铝护套腐蚀检测方法、系统及介质。本发明提供的方法，通过获取轴向和周向导波信号，利用离散小波变换获取轴向和周向导波信号的时频图，构建电缆铝护套腐蚀检测变分自编码网络模型并利用电缆铝护套腐蚀检测变分自编码网络模型进行缺陷的轴向和周向定位，实现高精度的电缆铝护套腐蚀检测。