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

摘要

A traffic accident is a disturbing matter caused by a rise of the recent vehicle diffusion rate worldwide. Therefore, estimation of driver's action unrelated to driving may help to reduce traffic accidents. This paper proposes a novel method to estimating driver's action unrelated to driving by measuring signals from air mass flow sensor placed on the seat belt. A previous study tried to estimate driver's 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 driver's action.%近年，交通事故による死亡者数は減少傾向にあるが，事rn故発生件数は依然高い水準を推移している。これはエアバrnック等の衝突安全装置によってドライバの致命傷を回避でrnきるようになったものの，事故を未然に防ぐ予防安全技術rnの進歩が遅れているためである。