Method and apparatus for tactile cueing of aircraft controls
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United States of America Patent
Stats
-
Aug 29, 2006
Grant Date -
Jul 14, 2005
app pub date -
Mar 21, 2003
filing date -
Mar 21, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method and apparatus for tactile cueing of aircraft controls (21) is disclosed. The apparatus of the present invention warns pilots of approaching limits on certain aircraft performance parameters. The most common warnings are for rotor speed exceeding a moving limit. The present invention uses tactile cueing through the collective stick (21). Tactile cueing means that the pilot does not need to scan the intruments to ascertain proximity to the aforementioned limits. Instead, the pilot can operate the aircraft within proper limits by touch, while maintaining situational awareness outside of the cockpit (20). The method and apparatus of the present invention provides customary friction resistance up to a limit position that is continuously updated. According to the present invention, continued motion of the collective (21) in a direction beyond that limit position results in a breakout force and an increasing resistive force.
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