AUTOMATIC HEADING CORRECTION FOR DIRECTIONAL GYROSCOPES

A navigation system (100) for vehicles, such as rotorcraft (10), includes a directional gyroscope (108) having a magnetic heading correction mode, a nonmagnetic manual heading correction mode and a nonmagnetic automatic heading correction mode. A magnetic field sensor (118) is operably coupled to th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HALVERSON, Aaron Thomas, OLTHETEN, Erik John
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AIRCRAFT ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT AVIATION COSMONAUTICS EQUIPMENT FOR FITTING IN OR TO AIRCRAFT FLYING SUITS GYROSCOPIC INSTRUMENTS MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PARACHUTES PERFORMING OPERATIONS PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING TRANSPORTING
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Beschreibung
Zusammenfassung:	A navigation system (100) for vehicles, such as rotorcraft (10), includes a directional gyroscope (108) having a magnetic heading correction mode, a nonmagnetic manual heading correction mode and a nonmagnetic automatic heading correction mode. A magnetic field sensor (118) is operably coupled to the directional gyroscope (108) and is operable to generate magnetic north-based signals. A heading correction input (120) is operably coupled to the directional gyroscope (108) and is operable to generate manual signals upon actuation thereof. A global positioning system sensor (122) is operably coupled to the directional gyroscope (108) and is operable to generate track-based signals. In the magnetic heading correction mode, the directional gyroscope (108) receives the magnetic north-based signals for heading corrections. In the nonmagnetic manual heading correction mode, the directional gyroscope (108) receives the manual signals for heading corrections. In the nonmagnetic automatic heading correction mode, the directional gyroscope (108) periodically receives the track-based signals for heading corrections.