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Automatic compass calibration systems and methods

  • US 10,215,564 B2
  • Filed: 11/13/2015
  • Issued: 02/26/2019
  • Est. Priority Date: 05/15/2013
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a logic device configured to receive one or more sensor signals and determine a corrected magnetic field based, at least in part, on a measured local magnetic field, wherein the logic device is adapted to;

    receive an angular velocity, an acceleration, the measured local magnetic field, and/or a speed of a mobile structure;

    generate stabilized roll and pitch components of an orientation of the mobile structure based, at least in part, on the acceleration and angular velocity; and

    determine the corrected magnetic field based, at least in part, on the local magnetic field and the stabilized roll and pitch components.

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