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APPARATUS AND METHOD FOR CORRECTING ERROR OF GYRO SENSOR IN MOBILE ROBOT

  • US 20110172820A1
  • Filed: 06/26/2009
  • Published: 07/14/2011
  • Est. Priority Date: 07/01/2008
  • Status: Active Grant
First Claim
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1. An apparatus for correcting an error of a gyro sensor in a mobile robot, the apparatus comprising:

  • a control unit stopping or moving the mobile robot; and

    a correction unit determining whether the mobile robot is stationary and correcting an error of the gyro sensor using output values obtained from the gyro sensor when the mobile robot is stationary,wherein the correction unit comprises;

    a state determination unit determining whether the mobile robot is stationary using a deviation of output values of the gyro sensor; and

    a bias calculation unit calculating a bias value using output values of the gyro sensor when it is determined that the mobile robot is stationary.

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