Investigation of Frictional Stick-Slick Effect in Disk Brake NVH

Journal of Mechanical Engineering

Musil Miloš¹  Kraus Pavel¹  Bachratý Michal²  Úradníček Juraj² 

[1] Slovak University of Technology in Bratislava, Faculty of Mechanical Engineering, Institute of Applied Mechanics and Mechatronics, Nám. slobody 17, 812 31 Bratislava, Slovakia;Slovak University of Technology in Bratislava, Faculty of Mechanical Engineering, Institute of Manufacturing Systems, Environmental Technology and Quality Management, Nám. slobody 17, 812 31 Bratislava, Slovakia;

关键词: stick-slip;    nvh;    self-excited vibrations;    brake squeal;   

DOI  :  10.1515/scjme-2017-0010

来源: DOAJ

【 摘 要 】

Paper describes the mechanism of vibration of a minimal automotive disc brake model which can lead to unwanted effects known as brake Noise Vibrations and Harshness (NVH). Stick-slip frictional effects are mathematically described by simplification of physical assumptions. Self-excited vibrations due to stick-slip and also stability conditions are defined using a 1 degree of freedom mechanical system. Non-Coulomb nonlinear behavior of the friction force with negative slope is considered. Response is obtained by the numerical solution of ordinary differential equation.

【 授权许可】

Unknown