フレーム剛性が二輪車のウィーブモードに及ぼす影響の解析(機械力学,計測,自動制御)

概要

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This study analyzes the mechanism how structural flexibility gives the effect on weave mode using the two-wheeled vehicle model considering structural flexibility. In general, the effects of structural flexibility on weave mode depend on the traveling speed of vehicle. At high speed condition, lateral bending flexibility of front fork and torsional flexibility of rear swing arm give more significant effect on weave mode. These are mainly due to change of the external force by yaw rate in lateral motion freedom. The consideration of lateral bending of front fork advances the phase of the external force by yaw rate in lateral motion. 0n the other hand, the phase is delayed in the case of torsion of rear swing arm. The phase change of the external force by yaw rate in lateral motion affects the stability of lateral motion, and it affects the stability of weave mode as the result.
社団法人日本機械学会の論文
2003-08-25