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Study of the Dynamic Characteristics of the Suspension as Related to Brake Judder Reduction

Article of Honda R&D Technical Review Vol.13 No.1


The reduction of brake judder requires refined tuning of the dynamic characteristics in the suspension, which as an oscillatory system has a great influence on brake judder. Here, a component model of the suspension is used to calculate its vibration mode and frequency characteristics. This makes it possible to conduct a comparative examination of the influence of the suspension geometry (the main factor in brake judder), bushing characteristics, parts weight, and other such factors by means of simulation. As a result, the values predicted by calculation have been found to correspond closely with the actual measurements, and compliance steer has been confirmed to play a significant role in reducing brake judder.

Author (organization or company)

Tetsuya YAMAGUCHI(Tochigi R&D Center)、Kiyoshi KOBAYASHI(Tochigi R&D Center)

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