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Hybrid GPS/inertially aided platform stabilization system

  • US 6,122,595 A
  • Filed: 06/17/1999
  • Issued: 09/19/2000
  • Est. Priority Date: 05/20/1996
  • Status: Expired due to Term
First Claim
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1. A system for stably positioning the attitude of an instrument relative to a platform upon which the instrument is mounted, said platform having an orientation that is subject to dynamic variations, comprising:

  • a platform orientation sensor coupled to said platform and being operative to generate a first signal representative of the orientation of said platform;

    at least one angular rate sensor coupled to said platform and being operative to generate a second signal representative of a rate of change of orientation of said platform; and

    a signal processor which is operative to adjust said second signal in accordance with said first signal.

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