Operating Principle, resonating frequency Coriolis forces | Products | Silicon Sensing Systems Japan - MEMS ring rate gyro
Operating Principle- MEMS Silicon Ring Gyro
- ・A vibration is exerted to the silicon ring at ring's resonating frequency (Mode 1).
- Rotational motion produces Coriolis forces which couple vibration to a point 45 degrees relative to the driven axis (Mode 2).
- ・Monitoring the mode-1 null point (node) in the mode-2 gives a direct measure of applied angular rate.
- ・The above vibratory modes are unlikely to occur by external shock/vibrations, hence the rate gyroscope can maintain consistent performance in harsh environments.