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What are (High Accuracy) gyroscope sensors?
Gyroscope sensors are used to measure rotational motion, angular velocity or rotational speed (°/s) without requiring a fixed reference point. This distinguishes gyroscopes from all other instruments that measure tactile rotation - such as a rotation sensor or rotation potentiometer. Thanks to state-of-the-art silicon MEMS sensors, our high accuracy gyroscopes allow you to measure rotation speed even in harsh conditions and high temperatures. Gyroscopes are an integral part of systems for stabilizing platforms, robots, flying objects such as drones, etc.
In addition to high accuracy gyroscopes, we also offer:
- Standard Gyroscope Sensors: MEMS-based gyroscopes with 1, 2, 3, or 6 axes for industrial and OEM applications, accurate and cost-effective. Measuring range 100°/s and 200°/s.
- Inertial Measurement Systems: IMU measurement platforms (Inertial Measurement Unit) with three acceleration and three gyroscope sensors, for navigation applications. Measurement range between ±75 °/s and ±900 °/s.
- Embedded Gyroscope sensors: for direct system integration - space-saving, robust and cost-effective. Measurement range between ±25 °/s and ±900 °/s.
How do gyroscopes work?
Gyroscopes work according to the Coriolis effect: they detect rotational speed by the phenomenon called Coriolis force. In our gyroscope sensors, we use a vibrating or resonant ring manufactured using a DRIE (Deep Reactive Ion Etching) bulk silicon process. The ring is suspended on eight pairs of symmetrical spokes. The bulk-silicon etching process and unique, patented ring design provide specific geometric properties with close tolerances for precise balance and thermal stability.
How are they different from other MEMS gyroscopes?
Unlike other MEMS gyroscopes, our gyroscopes do not have narrow gaps that sometimes cause interference and static friction problems. This makes them more powerful: their bias and scale factor are more stable - and over a wider temperature range. In addition, they are more resistant to vibration and shock. Another advantage of this design: they are inherently insensitive to acceleration-induced velocity errors.