Hemispherical Resonator Gyroscope
HRG
Gyroscope
High-precision gyroscopic sensor based on a quartz hemispherical resonator, designed for aerospace, aviation, industrial and inertial navigation applications.
Quality Factor
10 mln+
Resonator quality factor
Q-Factor Mismatch
< 10%
High resonator symmetry
Frequency Split
≤ 0.001 Гц
High manufacturing precision
Sensor Design
Sensor Architecture
The hemispherical resonator gyroscope is based on a high-Q quartz hemispherical resonator located inside an excitation and signal pickoff assembly.
- Hemispherical Resonator
Primary sensing element of the gyroscope. - Forcer Electrodes
Generate and maintain resonator oscillations. - Pickoff Electrodes
Detect oscillations and measure angular motion. - Precision Assembly
Ensures long-term stability and reliability.
Overview
The hemispherical resonator gyroscope (HRG) is a high-precision angular rate sensor based on standing wave oscillations within a quartz hemispherical resonator.
The technology provides exceptional long-term stability, environmental robustness and enables deployment in high-accuracy navigation systems.
Applications
- • Aviation Navigation Systems
- • Spacecraft and Satellites
- • Unmanned Aerial Vehicles
- • Marine Navigation Systems
- • Attitude and Stabilization Systems
- • High-Precision Inertial Navigation Systems