Dr. Anil Kumar is an associate professor at the College of Mechanical and Electrical Engineering, Wenzhou University, Wenzhou, China. Kumar’s research interests include defect identification, measurement, and prognosis of complex mechanical systems such as transmission systems, rotors, and hydraulic machinery, including centrifugal and axial pumps. Kumar’s publication topics cover classification accuracy, fault diagnosis, permutation entropy, rolling bearings, simulated signals, time series, types of defects, vibration signals, accurate methods, actual scenes, artificial intelligence models, and aspect ratio. Kumar’s work focuses on developing accurate methods for fault diagnosis and defect identification using vibration signals and artificial intelligence models, with applications in real-world scenarios.