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5. Gyrometers
Inertial guidance and stabilization are two fundamental functions in the autonomous control of mobile systems. The trajectory and orientation in space of a mobile system can be calculated from rotational velocity and acceleration measurements, without any direct external reference (other than initial position and velocity). In inertial navigation, the speed of rotation of an object, relative to an observation frame of reference, is measured from a signal proportional to this speed of rotation, delivered by an inertial sensor called a gyrometer. The most widely used gyrometers today - spinning top gyrometers (the oldest) and optical gyrometers (laser gyrometers) - meet the essential requirements of navigation devices (aircraft, rockets, etc.). However, new techniques are being sought and have been the subject of numerous studies over the last few decades, with a view to improving reliability,...
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Gyrometers
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References
Websites
Analog Devices http://www.analog.com/
PCB Piezotronics http://www.pcb.com/
EIB Technologies http://www.bei-tech.com/
Standards
French Standards Association (AFNOR) http://www.afnor.org/
- Étalonnage des accéléromètres ou chaînes accélérométriques dans la gamme des moyennes fréquences. - E90-150 - 06-81
- Accelerometer calibration – Continuous calibration. - E90-151 - 06-81
- Methods for calibrating vibration and shock sensors – Part 1: primary vibration calibration with laser interferometer. - E90-350-1 - 07-94
- Methods for calibrating...
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Institut FEMTO-ST (Franche-Comté Électronique Mécanique Thermique et Optique – Sciences et Technologies)/Laboratoire de Physique et Métrologie des Oscillateurs, Besançon
ESIEE École supérieure d'ingénieurs des sciences et technologies de l'information et de la communication, Noisy Champs, France
Patents
US5567880: YOKOTA YOSHIHIRO (JP), NAITO SHOTARO (JP). – Semiconductor accelerometer. HITACHI LTD (JP).
US5392651: SUZUKI SEIKO (JP), TSUCHITANI SHIGEKI (JP). – Capacitance type accelerometer. HITACHI LTD (JP).
US5243861: KLOECK BENJAMIN (JP), SUZUKI SEIKO (JP). – Capacitive type semiconductor accelerometer. HITACHI LTD (JP), HITACHI AUTOMOTIVE ENG (JP).
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