NONLINEAR DYNAMIC-MODEL AND ITS SOLUTION FOR A HIGH-SPEED CAM MECHANISM WITH COULOMB-FRICTION

被引:17
作者
UNLUSOY, YS
TUMER, ST
机构
[1] Mechanical Engineering Department, Middle East Technical University
关键词
D O I
10.1006/jsvi.1994.1025
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
The dynamic behavior of overhead cam mechanisms, commonly used in automotive applications, is strongly influenced by the Coulomb friction at the rocker arm pivot. In this study, a non-linear one-degree-of-freedom model of such a mechanism including Coulomb friction has been developed. An exact quasi-linear solution to the equations representing the non-linear behavior has been obtained. The effects of Coulomb friction at different cam speeds are investigated using typical parameter values. A critical examination of the simulation of the dynamic behavior of the cam mechanism by using an equivalent viscous damper to replace the Coulomb friction is made. © 1993 Academic Press Limited.
引用
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页码:395 / 407
页数:13
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