A concept for designing automatic checkout systems to prevent drivers from falling asleep is presented. It is shown that such systems should use the frequency of electrodermal reactions (EDR), which is govemed by changes in skin resistance. Such changes have a time constant of several seconds. To detect these reactions, a special technique was developed. Experimental investigations yielded the quantitative characteristics of EDR changes associated with decreased vigilance. It was found that, when a person started to fall asleep, the EDR frequency diminished. An EDR-based system was developed to assess the alertness level. Such a system may be employed to prevent drivers from falling asleep.


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    Title :

    Automatic checkout systems to monitor driver's vigilance


    Additional title:

    Automatisches System zur Überwachung von Schlafzuständen bei Autofahrern


    Contributors:

    Published in:

    Publication date :

    2001


    Size :

    15 Seiten, 6 Bilder, 25 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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