Abstract
Nowadays, several manufacturers have marketed ultra-compact electric vehicles. We suggest active seat suspension to improve the ride comfort by the bad road run as a high value-added product. Ultra-compact electric vehicles can install the actuator of the active seat suspension with a voice coil motor. A purpose of this study is to inspect utility and the effectiveness of the active seat suspension. The ultra-compact vehicles are different from a normal vehicle and the frequent riding into to the narrow way and bad road occurs. There are a lot of step and ultra-compact obstacles in the bad road on a road surface, and the aggravation of the ride comfort of the vehicle is expected by the comparatively low-speed run. hi this paper, we focused on the driver's head and seat acceleration when fall from the bump.
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