On Criteria for the Robust Design of Squeal Free Brakes

Paper #:
  • 2012-01-1816

Published:
  • 2012-09-17
Citation:
Wagner, A., Schönecker, M., Spelsberg-Korspeter, G., and Hagedorn, P., "On Criteria for the Robust Design of Squeal Free Brakes," SAE Technical Paper 2012-01-1816, 2012, https://doi.org/10.4271/2012-01-1816.
Pages:
4
Abstract:
The goal of constructing squeal free brakes is still difficult to achieve for design engineers. There are many measures that are beneficial to avoid or decrease brake squeal, examples are the increase in damping and the introduction of asymmetries in the brake rotor. For an efficient design process these measures have to be quantified. This is difficult due to the high complexity of the system which is caused by the contact conditions and the complicated properties of the pad material which consists of a vast amount of different components. The attempt presented in this paper is to use fundamental models of the excitation mechanism for brake squeal in order to quantify the rate of asymmetry and damping required to get far away from the squeal boundary. The relation can be helpful to generate adequate objective functions for a systematic structural optimization of brake rotors against squeal and can be used as a design guideline.
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