Core inertial measurement unit

DC CAFC
  • US 6,516,283 B2
  • Filed: 06/11/2002
  • Issued: 02/04/2003
  • Est. Priority Date: 07/25/2000
  • Status: Expired due to Term
First Claim
Patent Images

1. A core inertial measurement unit, comprising:

  • an angular rate producer producing X axis, Y axis and Z axis angular rate electrical signals;

    an acceleration producer producing X axis, Y axis and Z axis acceleration electrical signals;

    an angular increment and velocity increment producer converting said X axis, Y axis and Z axis angular rate electrical signals into three-axis digital angular increments and converting said X axis, Y axis and Z axis acceleration electrical signals into three-axis digital velocity increments;

    an Earth'"'"'s magnetic field detector producing Earth'"'"'s magnetic field vector measurements; and

    a position, attitude and heading processor connected with said angular rate producer, said acceleration producer and said Earth'"'"'s magnetic field detector, so as to use said three-axis digital angular increments, said three-axis digital velocity increments and said position, attitude and heading angle measurements to compute motion measurements including position, attitude and heading angle measurements.

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