Comparison of Pad Stiffness under Static Pressure and Vibration with Small Amplitude

Oura, Yasunori; Kurita, Yutaka; Nishizawa, Yukio; Kosaka, Kyoko

doi:10.4271/2012-01-1818

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Cited by 4 publications

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“…Giannini estimated the contact stiffness from the measure of the mode split of a constrained disc [15]. Oura found that dynamic contact stiffness is independent of loading frequency but increases with load magnitude [16]. Goto, et al measured the modal frequencies of a real disc brake under certain pressures and then identified the contact stiffness using finite element analysis (FEA).…”

Section: Introductionmentioning

confidence: 99%

Identification of Contact Stiffness between Brake Disc and Brake Pads Using Modal Frequency Analysis

Ding

Zhu

Lyu

2020

J. Eng. Technol. Sci.

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Contact stiffness increases with brake pressure, which leads to an increase of the mode frequency of the brake disc. As the disc mode order increases, the contact stiffness first increases and then almost stays invariant, which makes a mode frequency change correspondingly. The dependence of contact stiffness on brake pressure and disc mode order could be one of the possible reasons why the current research on prediction of brake noise and vibration is inaccurate and unsatisfactory.

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Section: Introductionmentioning

confidence: 99%