Communications: electrical – Aircraft alarm or indicating systems – Flight alarm
Reexamination Certificate
2006-07-11
2006-07-11
Trieu, Van T. (Department: 2612)
Communications: electrical
Aircraft alarm or indicating systems
Flight alarm
C340S945000, C340S946000, C340S969000, C340S970000
Reexamination Certificate
active
07075457
ABSTRACT:
Method and system for analyzing, separately or in combination, kinetic energy and potential energy and/or their time derivatives, measured or estimated or computed, for an aircraft in approach phase or in takeoff phase, to determine if the aircraft is or will be put in an anomalous configuration in order to join a stable approach path or takeoff path. A reference value of kinetic energy and/or potential energy (or time derivatives thereof) is provided, and a comparison index for the estimated energy and reference energy is computed and compared with a normal range of index values for a corresponding aircraft maneuver. If the computed energy index lies outside the normal index range, this phase of the aircraft is identified as anomalous, non-normal or potentially unstable.
REFERENCES:
patent: 4667196 (1987-05-01), Kaul
patent: 5053767 (1991-10-01), Zweifel et al.
patent: 5079711 (1992-01-01), Lambregts et al.
Ainsworth Robert J.
Amidan Brett G.
Bloch Laurent
Chidester Thomas R.
Craine William L.
Padilla Robert M.
Schipper John F.
The United States of America as represented by the Administrator
Trieu Van T.
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