シートベルトからの体圧変化情報に基づくドライバの運転姿勢推定

概要

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A traffic accident is a disturbing matter caused by a rise of the recent vehicle diffusion rate worldwide. Therefore, estimation of drivers action unrelated to driving may help to reduce traffic accidents. This paper proposes a novel method to estimating drivers action unrelated to driving by measuring signals from air mass flow sensor placed on the seat belt. A previous study tried to estimate drivers action by measuring signals from pressure distribution sensors placed on the driving seat. However, the previous study was concerned about a large difference of accuracy rate when the drivers reseat. We focus on the seat belt since there is very little change of wearing form via three stationary points. As a result, the accuracy rate when drivers reseat with our proposed method came over 90%. Consequently, proposed method is quite effective and useful to estimate drivers action.