Uncertainty propagation and its mechanism of friction-induced brake squeal based on perturbation method

Dejian Meng, Jiaming Liang, Wenbo Li, Lijun Zhang, Birui Li, School of Automotive Engineering, Tongji University, Collaborative Innovation Center for Intelligent New Energy Vehicle, Tongji University

Journal of Vibration and Control

Published online on January 29, 2026

Abstract

Journal of Vibration and Control, Ahead of Print.
The instability study of the friction-induced vibration (FIV) system with uncertain parameters has gained increasing attention in automotive engineering. The perturbation method (PM) provides analytical insights into brake squeal uncertainty propagation ...