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Redundant system for the indication of heading and attitude in an aircraft

  • US 6,782,742 B1
  • Filed: 08/31/2001
  • Issued: 08/31/2004
  • Est. Priority Date: 01/18/1999
  • Status: Expired due to Fees
First Claim
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1. Method for synthetically calculating redundant attitude for an aircraft when a heading of the aircraft is known, using data existing in the aircraft, including angular rates p, q, r around x-, y- and z-coordinates of an aircraft-fixed (body frame) coordinate system, air data information including speed, altitude and angle of attack of the aircraft, and the heading information, wherein the method includes the steps:

  • calculating the attitude based on the aircraft-fixed angular rates p, q, r; and

    correcting the calculated attitude using the air data and the heading information.

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