Adaptive gain and phase controller for autopilot for a hypersoni

Details Adaptive gain and phase controller for autopilot for a hypersoni Adaptive gain and phase controller for autopilot for a hypersoni

1990-11-19

1992-04-07

Basinger, Sherman

Aeronautics and astronautics

Aircraft control

Automatic

244 321, 244181, G05D 0108, F42B 1000, F42B 1501

Patent

active

051020726

ABSTRACT:
An adaptive gain and phase controller for an autopilot for a flight vehicle, such as a hypersonic glide vehicle, that includes applying a reference excitation signal to the control system of a flight vehicle, measuring the response of the vehicle to that excitation signal, namely the gain and phase losses through airframe, and making adjustments to the gain and phase inputs to the autopilot based on those measurements. A high gain narrow bandpass filter is incorporated so that the test signal can be extracted from the airframe of the flight vehicle.

REFERENCES:
patent: 3215374 (1965-11-01), Olshausen
patent: 3740002 (1973-06-01), Schaefer
patent: 4122448 (1978-10-01), Martin
patent: 4127248 (1978-11-01), Boone et al.
patent: 4129275 (1978-12-01), Gerstine et al.
patent: 4189116 (1980-02-01), Ehrich et al.
patent: 4791573 (1988-12-01), Zemany et al.

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