PROBLEM TO BE SOLVED: To detect a degree of tiredness of a driver quickly and accurately.SOLUTION: A tiredness detection device 10 includes: a heartbeat detection unit 12 for detecting the fluctuation of heartbeat intervals of a driver of a vehicle a reference waveform storage unit 15 for storing a reference waveform of the fluctuation of the heartbeat intervals of the driver a tiredness determination unit 14 for determining a degree of tiredness of the driver based on a partial amount of change in the waveform of the fluctuation of the heartbeat intervals detected by the heartbeat detection unit 12 and a partial amount of change in the reference waveform stored by the reference waveform storage unit 15 a notification control unit 16 for notifying the driver according to the degree of tiredness of the driver determined by the tiredness determination unit 14 an indicator 20 and a loudspeaker 21.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】運転者の疲労度合いを迅速かつ精度良く検出する。【解決手段】疲労検出装置10は、車両の運転者の心拍間隔のゆらぎを検出する心拍検出部12と、運転者の心拍間隔のゆらぎの基準波形を記憶する基準波形記憶部15と、心拍検出部12によって検出される心拍間隔のゆらぎの波形における一部の変化量と、基準波形記憶部15に記憶される基準波形の一部の変化量とに基づいて、運転者の疲労度合いを判定する疲労判定部14と、疲労判定部14によって判定される運転者の疲労度合いに応じて運転者に報知を行う報知制御部16、表示器20、およびスピーカ21と、を備える。【選択図】図1
