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. 2016 Mar 4;16(3):321. doi: 10.3390/s16030321
Symbol Nomenclature Symbol Nomenclature
Kideal Ideal Stiffness matrix τ0 Feedback section output vector
θ Z axis rotation angle τ Total drive signal matrix
q Displacement vector τr Rotation elimination signal vector
x Drive mode displacement mp Gyroscope proof mass
y Sense mode displacement mx Drive mode vibration mass
F Feedback force matrix my Sense mode vibration mass
Fx Drive mode feedback force Qx Drive mode quality factor
Fy Sense mode feedback force Qy Sense mode quality factor
D Damping matrix γΩ Angular rate integral coefficient
K Stiffness matrix γD Damping integral coefficient
R Stiffness estimation error matrix γR Stiffness error integral coefficient
Ω Angular rate matrix γ0 Feedback gain
e Displacement estimation error vector V Lyapunov function