Windshear flight recovery command system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jun 20, 1989
Grant Date -
N/A
app pub date -
Sep 1, 1987
filing date -
Sep 1, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention constitutes a system for generating an elevator command signal for directing a pilot in guiding his aircraft along a path effective for recovering from hazardous windshear conditions. The system includes a descending mode guidance subsystem (10), an ascending mode guidance subsystem (12) and a switching mechanism (14) for shifting between the two subsystems. The descending mode subsystem includes an acceleration generator (20), a flight path command generator (22), a flight path error generator (24), a descending mode pitch error generator (26), an airspeed control device (28) and a descending mode signal controller (30). These components are connected serially together and operate to form an elevator command signal corresponding to the acceleration required to halt the descent of the aircraft by a fixed altitude level. They also function to control and condition this signal with respect to important flight parameters such as the aircraft's maximum safe angle of attack and the response capabilities of the pilot and aircraft.
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