Analysis of Non-Linear Impact Dynamics in Automotive Transmissions: Gear Rattle

被引：0
|
作者：
de la Cruz, M. [1 ]
Theodossiades, S. [1 ]
Rahnejat, H. [1 ]
Kelly, P. [2 ]
机构：
[1] Univ Loughborough, Wolfson Sch Mech & Mfg Engn, Loughborough, Leics, England
[2] Ford Werke AG, Cologne, Germany
来源：
PROCEEDINGS OF THE SEVENTH INTERNATIONAL CONFERENCE ON ENGINEERING COMPUTATIONAL TECHNOLOGY | 2010年 / 94卷
基金：
英国工程与自然科学研究理事会;
关键词：
automotive transmission rattle; gear dynamics; NVH;
D O I：
暂无
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
Manual transmission gear rattle is the result of repetitive impacts of gear teeth within the limit of their backlash. This Noise, Vibration and Harshness (NVH) phenomenon is a major concern in the automotive industry and can occur under various loaded or lightly loaded conditions. It induces no mechanical malfunction but drastically affects customer quality perception. This paper presents an impact dynamics' model, capable of replicating the contribution of the transmission's gear wheels to the overall vibration of the system. The results, analysed in the frequency and time domains, can objectively identify the sources of rattle and distinguish between the effect of loose and engaged gears on the structure-borne vibrations.
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页数：9
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