HELICOPTER ATTITUDE AND AIRSPEED ACQUISITION AND RETENTION SYSTEM

The description is substantially identical to that of Patent Specification GB 2081474A but the claims are directed to a helicopter pitch axis autopilot system with provision for manual override when the cyclic pitch control stick is moved away from its trim position, the system memorising the trim p...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	DOUGLAS HAROLD CLELFORD, RICHARD DENNIS MURPHY
Format:	Patent
Sprache:	eng
Schlagworte:	CONTROLLING INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT MEASURING MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK PHYSICS REGULATING SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES TESTING
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Beschreibung
Zusammenfassung:	The description is substantially identical to that of Patent Specification GB 2081474A but the claims are directed to a helicopter pitch axis autopilot system with provision for manual override when the cyclic pitch control stick is moved away from its trim position, the system memorising the trim position so that the autopilot can subsequently be re-engaged. When the autopilot is re-engaged an airspeed error limiter ensures a smooth transition.