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Author:

Gao, Pu (Gao, Pu.) | Du, Yongchang (Du, Yongchang.) | Ruan, Jiageng (Ruan, Jiageng.) | Yan, Pengfei (Yan, Pengfei.) (Scholars:闫鹏飞)

Indexed by:

EI Scopus SCIE

Abstract:

In this paper, with the temperature-dependent contact coupling stiffness and friction coefficient, a modified closed-loop coupling disc braking model was established. Considering the effective temperature range during the actual braking process, the proposed modified coupling model could predict the high-frequency braking noise tendency with satisfied accuracy. Regarding above, the finite element models of main braking parts were firstly established, all the parts were integrated and connected with the friction coefficient and imaginary springs, and the complex eigenvalue analysis was applied on the closed-loop coupling model to calculate the braking noise tendency, etc. In consequence, the relationships between temperature and two key factors (coupling stiffness and friction coefficient) were investigated. The temperature-dependent contact coupling stiffness and friction coefficient were substituted into the proposed model to predict the noise tendencies, the noise tendencies in different frequency bands varying with temperature were obtained. Finally, the effective temperature range during the actual braking process was extracted from the thermodynamic simulation. Considering the effective temperature range, the modified closed-loop coupling model could accurately identify 87.5% braking noise tendencies, and reach a good consistency with test results. (c) 2020 Elsevier Ltd. All rights reserved.

Keyword:

Effective temperature range Braking noise tendency Friction coefficient Contact coupling stiffness Temperature-dependent

Author Community:

  • [ 1 ] [Gao, Pu]Beijing Inst Technol, Sch Mechatron Engn, Beijing 100081, Peoples R China
  • [ 2 ] [Yan, Pengfei]Beijing Inst Technol, Sch Mechatron Engn, Beijing 100081, Peoples R China
  • [ 3 ] [Du, Yongchang]Tsinghua Univ, State Key Lab Automot Safety & Energy, Beijing 100084, Peoples R China
  • [ 4 ] [Ruan, Jiageng]Beijing Univ Technol, Fac Mat & Mfg, Beijing 100124, Peoples R China

Reprint Author's Address:

  • [Ruan, Jiageng]Beijing Univ Technol, Fac Mat & Mfg, Beijing 100124, Peoples R China

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Source :

MECHANICAL SYSTEMS AND SIGNAL PROCESSING

ISSN: 0888-3270

Year: 2021

Volume: 149

8 . 4 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:87

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count: 14

SCOPUS Cited Count: 15

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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