盘式制动器噪声、振动与声振粗糙度特性的复模态评价

doi:10.3969/j.issn.1000-1093.2016.07.016

兵工学报 ›› 2016, Vol. 37 ›› Issue (7): 1275-1281.doi: 10.3969/j.issn.1000-1093.2016.07.016

盘式制动器噪声、振动与声振粗糙度特性的复模态评价

黄泽好¹，刘通¹，雷伟^1,2，万鑫¹

（1.重庆理工大学车辆工程学院，重庆 400054； 2.南方天合底盘系统有限公司，重庆 402760）

收稿日期:2015-07-10 修回日期:2015-07-10 上线日期:2016-09-05
作者简介:黄泽好（1966—），男，教授，博士生导师
基金资助:
2013年重庆高校创新团队建设计划项目（KJTD201319）

Complex Modal Evaluation of NVH Characteristics of Disc Brake

HUANG Ze-hao¹, LIU Tong¹, LEI Wei^1,2, WAN Xin¹

(1.Chongqing University of Technology, Vehicle Engineering Institute, Chongqing 400054, China;2.CSG TRW Chassis Systems Co., Ltd, Chongqing 402760, China)

Received:2015-07-10 Revised:2015-07-10 Online:2016-09-05

摘要/Abstract

摘要： 建立了盘式制动器非线性有限元模型，分析了复模态，从振型、频率、负阻尼比、模态耦合、模态应变能等多维度评价其噪声、振动与声振粗糙度特性。结果表明：不同参数从不同角度都能反映模型模态的不稳定性；模型在1~15 kHz范围所有频段存在不稳定模态，且在1~3 kHz和12~13 kHz频段复特征值实部大，负阻尼比高，模态稳定性差；不稳定模态容易与相邻模态发生耦合，发生制动噪声概率大。

关键词: 机械学, 盘式制动器, 制动噪声, 复模态, 噪声、振动与声振粗糙度评价

Abstract: A disc brake nonlinear finite element model is established. Noise vibration and harshness (NVH) characteristics of disc brake are evaluated by the complex mode analysis from the multiple dimensions of negative mode, frequency, damping ratio, modal coupling, modal strain energy and so on. The results show that the different parameters can reflect the instability of modal model. The model exists an instability mode in the range of 1~15 kHz frequencies. Big complex eigenvalue real part, high negative damping ratio, and poor modal stability exist in the ranges of 1~3 kHz and 12~13 kHz. Unstable modal could couple with adjacent modal easily, which increases the incidence of brake noise.

Key words: mechanics, disc brake, brake noise, complex mode, NVH evaluation

中图分类号:

U463.51

黄泽好，刘通，雷伟，万鑫. 盘式制动器噪声、振动与声振粗糙度特性的复模态评价[J]. 兵工学报, 2016, 37(7): 1275-1281.

HUANG Ze-hao, LIU Tong, LEI Wei, WAN Xin. Complex Modal Evaluation of NVH Characteristics of Disc Brake[J]. Acta Armamentarii, 2016, 37(7): 1275-1281.

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盘式制动器噪声、振动与声振粗糙度特性的复模态评价

Complex Modal Evaluation of NVH Characteristics of Disc Brake

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