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Device and method for combining samples from an inertial measurement sensor cluster

  • US 8,756,995 B2
  • Filed: 06/24/2013
  • Issued: 06/24/2014
  • Est. Priority Date: 11/04/2008
  • Status: Active Grant
First Claim
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1. An inertial measurement device comprising:

  • at least one sensor cluster, each of said at least one sensor cluster comprising a plurality of micro inertial sensors being oriented substantially along same respective axis, for sampling movement of said inertial measurement device with respect to each of said respective axis of a plurality of axes of a reference frame, each of said plurality of micro inertial sensors exhibits a respective random error; and

    a summing unit to receive individual respective samples from at least some of said plurality of micro inertial sensors indicative of said movement with respect to said respective axis and to reduce a total random error in an equivalent vector that is calculated by summing said individual respective samples by said summing unit, wherein said equivalent vector is indicative of sampled said movement.

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