A spread spectrum and compensation method for magnetoelectric velocity sensors applied to measurement in ultra-low frequency magnetic levitation vibration isolation systems

Zhaoyuan Li, Chenglong Yu, Dehai Li, Bo Zhao, Jiubin Tan, Center of Ultra-precision Optoelectronic Instrument Engineering, Harbin Institute of Technology, Key Lab of Ultra-precision Intelligent Instrumentation , Harbin Institute of Technology, Ministry of Industry and Information Technology

Journal of Vibration and Control

Published online on March 02, 2026

Abstract

Journal of Vibration and Control, Ahead of Print.
This paper presents a spectrum expansion and bias compensation method for a magnetoelectric velocity sensor used in low-frequency magnetic levitation vibration isolation systems. To enable accurate measurement in the low-frequency range, a compensation ...