Qi Lin received his bachelor's degree in automobile service engineering from Chang’an University in 2022 and is now pursuing a master's degree in automotive engineering at the Hebei University of Technology. He researched as a master's degree candidate at the School of Mechanical Engineering, Hebei University of Technology (2022–present). His research topics mainly include nonlinear ultrasonic nondestructive testing, microcrack group identification, and information fusion.

Xiaoyang Bi received her doctoral degree in mechanics from the Tianjin University in 2019. She worked as a lecturer at the School of Mechanical Engineering, Hebei University of Technology (2024–present). Her research topics mainly include nonlinear ultrasonic nondestructive testing, intelligent operation and maintenance, and data analysis.

Xiangyan Ding received her doctoral degree in mechanics from Chongqing University in 2019. She worked as a professor at the School of Mechanical Engineering, Hebei University of Technology (2023–present). Her research topics mainly include nonlinear ultrasonic nondestructive testing, structural health monitoring, and intelligent automatic detection.

Bo Yang received his doctoral degree in mechanical engineering from Chongqing University in 2020. He worked as a professor at the School of Mechanical Engineering, Hebei University of Technology (2022–present). His research topics mainly include defect detection, advanced material damage, and intelligent protective equipment.

Bingxi Liu received her doctoral degree in mechanical engineering from Tianjin University in 2023. She worked as a researcher at the Tianjin Fire Science and Technology Research Institute of the Ministry of Emergency Management (2024–present). Her research topics mainly include unmanned sailboats, arc sail, and navigation performance.

Xiao Yang received her doctoral degree in material processing engineering from Sichuan University in 2019. She worked as a lecturer at the School of Mechanical Engineering, Hebei University of Technology (2023–present). Her research topics mainly include nonlinear ultrasonic nondestructive testing, laser additive manufacturing technology, and shape memory alloy.

Jie Xue received her doctoral degree in instrument science and technology from Tianjin University in 2021. She worked as a lecturer at the School of Mechanical Engineering, Hebei University of Technology (2021–present). Her research topics mainly include ultrasonic nondestructive testing, precision testing theory, and digital twins.

Mingxi Deng received his doctoral degree in acoustics from Tongji University in 2002. He worked as a professor at the College of Aerospace Engineering, Chongqing University (2000–present). His research topics mainly include nonlinear ultrasonic nondestructive testing, fatigue damage, transducers, and ultrasonics.

Ning Hu received his doctoral degree in mechanics from the Chongqing University in 1991. He worked as a professor at the School of Mechanical Engineering, Hebei University of Technology (2019–present). His research topics mainly include nonlinear ultrasonic nondestructive testing, computational solid mechanics, and structural damage diagnosis.