Problem to be solved: to provide a driver state detecting device for accurately detecting the state of a driver such as fatigue or snooze.A driver status detection device according to the present invention comprisesAcceleration sensor mounted on vehicleAttached to parts constituting the vehicleA centroid moving amount detecting part for detecting the amount of movement of a center of gravity of a body of a driver boarding a vehicle andBased on the magnitude of the displacement of the vehicle's body moving distance detected by the acceleration sensor and the amount of shift of the center of gravity of the driver's body detected by the centroid moving amount detecting partDriver status judging unit for judging the state of driver.疲労や居眠り等の運転者の状態を精度良く検知する運転者状態検知装置を提供する。本発明の運転者状態検知装置は、車両に取り付けられた加速度センサと、車両を構成する部品に取り付けられ、車両に搭乗している運転者の体の重心移動量を検出する重心移動量検出部と、加速度センサで得られた車両の加速度と重心移動量検出部で検出された運転者の体の重心移動量とのずれ量の大きさに基づいて、運転者の状態を判定する運転者状態判定部と、を備える。
