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眠気判定装置、プログラム
专利权人:
株式会社デンソー
发明人:
蜂須賀 知理,石田 健二
申请号:
JP2008295811
公开号:
JP5163440B2
申请日:
2008.11.19
申请国别(地区):
JP
年份:
2013
代理人:
摘要:

PROBLEM TO BE SOLVED: To improve detection accuracy in a drowsiness determination apparatus.

SOLUTION: The drowsiness determination apparatus compares a feature distance during driving that is a representative value while a driver drives with an arousal distance that is a representative value when the driver is regarded to be awake. Whether both left and right zygomatic majors are relaxed (S520 and 540), further determines whether the driver is opening his/her mouse (S560), and subsequently determines whether both a laughing muscle and a masseter muscle are relaxed (S580). Unless the driver is opening his/her mouse as a result of the determinations, it is determined that drowsiness of the driver is stronger as the number of relaxed muscles increases, and a drowsiness level is determined (S600 and 620). Then, in order to lower the drivers drowsiness, a warning and caution are output to the driver (S610 and 630).

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