Triaxial inertial navigation unit with several type of gyrometers

The invention discloses an inertial navigation unit for a vehicle with reduced dynamic angular motion about a first axis among the three roll, pitch and yaw axes, comprising three gyrometers. One of the gyrometers (10) is located along a second of three axes (Ygy) and another is located along an int...

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Bibliographic Details
Main Authors BECHERET, YVES, MAZZANTI, FREDERIC, GUEDON, JEAN-YVES
Format Patent
LanguageChinese
English
Published 11.06.1999
Subjects
GYROSCOPIC INSTRUMENTS
MEASURING
MEASURING DISTANCES, LEVELS OR BEARINGS
NAVIGATION
PHOTOGRAMMETRY OR VIDEOGRAMMETRY
PHYSICS
SURVEYING
TESTING
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Summary:The invention discloses an inertial navigation unit for a vehicle with reduced dynamic angular motion about a first axis among the three roll, pitch and yaw axes, comprising three gyrometers. One of the gyrometers (10) is located along a second of three axes (Ygy) and another is located along an intermediate direction (Xgy) between the first axis and the third axis. The third gyrometer, having an accuracy several orders of magnitude lower and a cost much lower than the other two, is substantially located on a plane defined by the first and the third axes (X, Z).
Bibliography:Application Number: TW199786107662