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Apparatus and method for correcting error of gyro sensor in mobile robot

  • US 9,222,801 B2
  • Filed: 06/26/2009
  • Issued: 12/29/2015
  • Est. Priority Date: 07/01/2008
  • Status: Active Grant
First Claim
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1. An apparatus for calibrating a gyro sensor output, the apparatus comprising:

  • a state determination unit configured to select from successive gyro sensor outputs a set of sensor outputs whose deviation is equal to or less than a predetermined threshold;

    a bias estimation unit configured to estimate a bias value using the selected set of sensor outputs; and

    a gyro sensor output calibration unit configured to calibrate a new gyro sensor output using the estimated bias value.

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