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HUMAN FATIGUE ASSESSMENT DEVICE AND HUMAN FATIGUE ASSESSMENT METHOD

  • US 20110288424A1
  • Filed: 10/26/2010
  • Published: 11/24/2011
  • Est. Priority Date: 10/29/2009
  • Status: Active Grant
First Claim
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1. A human fatigue assessment device comprising:

  • a physiological signal measuring unit configured to measure a pulse wave signal of a user;

    a feature value extracting unit configured to extract first feature values each of which is obtained from a systolic posterior component of the pulse wave signal measured by said physiological signal measuring unit;

    a storage unit in which the first feature values extracted by said feature value extracting unit are stored; and

    a fatigue determining unit configured to determine whether or not the user is fatigued, using the first feature values extracted by said feature value extracting unit,wherein said fatigue determining unit is configured to compare a first feature value among the first feature values extracted by said feature value extracting unit and at least one of the first feature values stored in said storage unit, to determine whether or not the user is fatigued.

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