ブレーキノイズに関する研究 : 第5報, 理論の体系化

概要

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Eliminating brake noise generated during brake application is an important issue in the improvement of comfort in a car. This noise can be caused by two different phenomena : high-frequency brake squeal (frequency 1-15 kHz) and low-frequency brake groan (200-500 Hz). We presented two studies on brake squeal in the 1st and the 2nd reports, and we presented a study on disc brake groan in the 3rd report. We considered the theoretical analysis on these brake noises. The equations of motion are represented by the same equation, and we obtained the equation which represents E, the increase of kinetic energy during 1 cycle. According to these analyses, drum brake squeal, disc brake squeal, and disc brake groan are generated by the same cause.
1990-07-25