208 マルチボディダイナミクスを用いた自転車の運動解析

概要

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In this paper, we discuss the dynamic performance of a compact size bicycle using a developed multibody simulation model. In this study, a three-dimensional multibody bicycle model is developed to account for the large rotational motion of the bicycle. The equations of motion for the constrained multibody system are obtained using the D'Alembert's principle. The dynamic performance of a compact size bicycle is discussed using the developed simulation model for several different conditions. In particular, the effect of the following parameters on the dynamic performance of bicycles is discussed: the diameter of a tire which becomes smaller when downsizing a bicycle; the offset and trail which are affected by the change in the diameter of a tire. The effect of such parameters on the dynamics characteristics of compact size bicycle is discussed for developing a compact and high-performance bicycle.
一般社団法人日本機械学会の論文
2006-08-06