2308 周期操舵走行における砂とタイヤの相互作用に関する研究(OS4-1 接触問題とトライボロジ(その2),OS4 接触問題とトライボロジ,オーガナイズド・セッション)

概要

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The effect of right-and-left periodic steering was investigated for vehicles traveling on dry sand. Model size single wheel equipment was constructed to measure the interaction between the driving tire and sand. Conducting experiment on dry uniformly flatten Toyoura standard sand, the sinkage and the tread pressure of the tire were measured. The experimental data showed that periodic steering drive has an effect to reduce the sinkage of tire and to heighten the pressure on the tire tread compared to the wheel driving in straight. A tentative analysis of wheel sinkage imitated by the count on the grids of sand surface where the contact patch of tire passed through, demonstrated the possibility of explaining the reduction of wheel sinkage by cyclic steering.
2008-12-09