2013 Fiscal Year Final Research Report
Study of Traffic Accidents with Micro Mobility: Mini-car
| Project/Area Number |
24760424
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Civil engineering project/Traffic engineering
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| Research Institution | National Research Institute of Police Science |
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Principal Investigator |
OGA Ryo 科学警察研究所, 交通科学部, 主任研究官 (50392262)
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| Project Period (FY) |
2012-04-01 – 2014-03-31
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| Keywords | 超小型モビリティ / 交通事故解析 / 交通事故分析 / 交通工学 / 機械力学 / 衝突安全 / インパクトバイオメカニクス / ミニカー |
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| Research Abstract |
This study reports on a study of micro mobility, which is seen as a highly promising new way of supporting mobility among elderly people. In Japan, personal mobility is associated with the use of mini-cars. In the study reported here, mini-car accidents were analyzed using traffic accident data and crash tests involving mini-cars.
In Japan, there are about 180 traffic accidents involving mini-cars every year. The seatbelt usage ratio is just 44%. Seatbelts are effective in reducing the incidence of injuries,especially those to arms and legs. However, seatbelt users tend to suffer more upper-body injuries, especially of the neck.
In the crash tests, it was found that the cabin, which was mounted on a platform, had enough space for passenger safety after a frontal crash. However, the upper body was thrown forward and the chest area hit the steering wheel because the shoulder anchor of the seatbelt moved forward due to center-pillar deformation.
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