| 摘要 |
PROBLEM TO BE SOLVED: To provide a tire supporting-surface analyzer by which the braking state and the driving state of a tire for a large automobile can be reproduced on a base with a small-scale, simple and safe constitution. SOLUTION: The tire supporting-surface analyzer comprises the tire 1 mounted on a tire shaft 2, a first torque motor 7 used to turn and drive the tire 1, a tire grounding base 3 which is reciprocatively movable in the horizontal direction and a second torque motor 8 used to horizontally move the base 3 to a direction opposite to the turning and driving direction R of the tire 1. The magnitude of the movement driving force Ps of the base 3 by the motor 8 and that of the rotation driving force Pr of the tire 1 by the motor 7 are changed.
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