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박주표(Ju-Pyo Park),최연선(Yeon-Sun Choi) 대한기계학회 2003 대한기계학회 춘추학술대회 Vol.2003 No.11
In order to investigate the machanism of brake squeal noise, the sound and vibration of an actual brake system were measured using a brake dynamometer. The experimental results show that disc nin-out varies with brake line pressure and the factor squeal generation is the run-out to the misalignment of brake disk. A three drgrees of freedom friction madel is developed is developed for the disk brake system where the run-out effect and ninlinear friction characterstic are considered, The results of numerical analysis of the model agree well with the experimental results. Also, the stability analysis or the model was performed to predict the generation of brake squeal due to the desige parameter modification of brake systems. The results show that the squeal heneration depends on the run-out rather than the friction characteristic between the and the disk of brake.