Hemispherical resonator gyro control

Details Hemispherical resonator gyro control Hemispherical resonator gyro control

2008-01-15

2008-01-15

Kwok, Helen C. (Department: 2856)

Measuring and testing

Speed, velocity, or acceleration

Angular rate using gyroscopic or coriolis effect

Reexamination Certificate

active

07318347

ABSTRACT:
Embodiments of the present system encompass: a hemispherical resonator gyro (HRG); digital control loop algorithms which operate in two, distinct modes, Force to Rebalance (FTR) and Whole Angle (WA); and a closed-loop slewing-voltage phase control that reduces quadrature error when the hemispherical resonator gyro transitions from WA to FTR.

REFERENCES:
patent: 4157041 (1979-06-01), Loper et al.
patent: 4951508 (1990-08-01), Loper et al.
patent: 5712427 (1998-01-01), Matthews
patent: 5983719 (1999-11-01), Matthews et al.
patent: 6357296 (2002-03-01), Baker et al.

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