Redundant device of piloting sensors for a rotary-wing aircraft
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United States of America Patent
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Mar 2, 2021
Grant Date -
Nov 23, 2017
app pub date -
Dec 9, 2015
filing date -
Dec 11, 2014
priority date (Note) -
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Abstract
A device of piloting sensors for a rotary wing aircraft having at least two IMU inertial modules, at least two GNSS receivers having respective first fault detection and exclusion modules for detecting and excluding failures and covering distinct GNSS satellite navigation systems, at least two second FDE modules, at least two hybridizing platforms, and at least one third FDE module. The FDE modules enable signals that are of integrity and/or signals that are erroneous to be detected so as to exclude each GNSS system that is defective. In addition, each hybridizing platform makes it possible to determine a hybridized ground speed in order to delivering a ground speed for said aircraft that is accurate and of integrity.
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