An object of the present invention is to provide an alertness maintaining device useful for suppressing variation of an alertness of a driver and for maintaining the alertness at a comparatively high level. The alertness maintaining device includes a driver state monitoring section that detects at least one of an actual alertness of a driver and predicted change of the alertness; a voice output section that applies, to the driver, stimulus information; and an interaction control section that changes an output content of the stimulus information output section in accordance with a level of the alertness based on an output of the driver state monitoring section. The strength of the stimulus is changed in accordance with the level of the alertness. When a simple running state is detected, a stimulus for maintaining the alertness is applied. An interaction scenario according with preference of the driver is selectively used.
ALERTNESS MAINTAINING DEVICE
2019-09-12
Patent
Elektronische Ressource
Englisch