| 摘要 |
A road surface profile measuring method is provided to utilize as base data by quantitatively measuring the state of road surface. A road surface profile measuring method is composed of steps of: removing the vibration of a vehicle body by blocking the low frequency component with a filter(ST20); and completing the optimum road surface profile by using the profile signal in which the low frequency is blocked(ST30). The low frequency component relates to the set particle and driving speed profile, and is blocked by limiting the profile signal to the fixed size. The road surface profile signal is measured by a displacement sensor.
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