Misalignment fault detection of magnetic suspension multi-span rotors based on improved adaptive notch filter

Xudong Guan, Hui Li, Song Zhu, Zhiwei Lu, Shigang She, Tong Liu, School of Mathematics, China University of Mining and Technology, School of Mechanical Engineering and Rail Transit, Changzhou University, Research and Development Department, Zhejiang Motorbacs Technology Co

Journal of Vibration and Control

Published online on November 11, 2025

Abstract

Journal of Vibration and Control, Ahead of Print.
Aiming at misalignment vibration of magnetic suspension multi-span rotors coupling, a rotor misalignment fault detection method based on improved adaptive notch filter is proposed. First, a coupling misalignment dynamic model and a magnetic suspension ...