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http://dx.doi.org/10.5050/KSNVN.2003.13.12.903

The Effect of Damping of a Two-degree-of-freedom Model for the Disc Brake Squeal Noise  

Shin, Ki-Hong (한양대학교 대학원 자동차공학과)
Joe, Yong-Goo (한양대학교 기계공학부)
Oh, Jae-Eung (국립안동대학교 기계공학부)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.13, no.12, 2003 , pp. 903-910 More about this Journal
Abstract
A two-degree-of-freedom model is suggested to describe basic dynamical behaviors of the interaction between the pad and the disc of a disc brake system. Although a pad (and a disc) has many modes of vibration in practice, only one mode of each component Is considered. In this paper, a linear analysis is performed by means of the stability analysis to show various conditions for the system to become unstable, and is based on the assumption that the existence of limit cycle (this corresponds to an unstable equilibrium point inside the limit cycle) represents the squeal state of the disc brake system. The results of the stability analysis show that the damping of the disc is as much Important as that of the pad, whereas the damping of the pad only is considered In most practical situations.
Keywords
Stick-slip; Negative Damping; Phase Space(; Self-excited Vibration;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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