G - Physics – 01 – C
Patent
G - Physics
01
C
G01C 21/16 (2006.01)
Patent
CA 2226566
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 (14), 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).
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 (14), 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).
Becheret Yves
Guedon Jean-Yves
Mazzanti Frederic
Goudreau Gage Dubuc
Sagem Sa
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