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SYSTEMS AND METHODS FOR IN-MOTION GYROSCOPE CALIBRATION

  • US 20160231138A1
  • Filed: 02/05/2016
  • Published: 08/11/2016
  • Est. Priority Date: 02/05/2015
  • Status: Active Grant
First Claim
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1. A system, comprising:

  • at least one microprocessor; and

    memory coupled to the microprocessor and storing instructions that, when executed by the processor, cause the microprocessor to;

    store data representing signals generated by a plurality of gyro sensors of the gyroscope during a period of time;

    identify a portion of the period of time, during which portion the gyroscope is subjected to a motion of a predetermined characteristic;

    integrate, using the data, the signals with respect to time over the period of time to calculate orientation of the gyroscope as a function of time during the portion of the period of time;

    determine a deviation of a characteristic the orientation of the gyroscope as the function of time during the portion of the period of time for the motion of the predetermined characteristic;

    identify, from the deviation, a component of bias in the signals generated by the plurality of gyro sensors; and

    remove the component of bias from the data.

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