IMU AIST-321 consists of 3 “AIST-100” gyros, 3 Analog Device ADXL-321 accelerometers, a temperature stabilization system and a passive vibration protection system. Main technical specs of the IMU are:
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Modification of the IMU
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AIST-321-Ê
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AIST-321
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AIST-321-Ì
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Parameter
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Gyro
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Accelerometer
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Gyro
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Accelerometer
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Gyro
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Accelerometer
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Dynamic range
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± 50 °/s
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± 18 g
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± 150°/s
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± 18 g
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± 300°/s
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± 18 g
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Bias stability*
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4 °/h
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2 mg
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10 °/h
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2 mg
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20 °/h
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2 mg
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ARW*
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0,15 °/sqrt(h)
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0,2 ì/ñ/sqrt(h)
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0,15 °/sqrt(h)
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0,2 ì/ñ/sqrt(h)
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0,15 °/sqrt(h)
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0,2 ì/ñ/sqrt(h)
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SF Stability*
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0,1%
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0,2%
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0,1%
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0,2%
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0,1%
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0,2%
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Output non-linearity*
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0,1%
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0,2%
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0,1%
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0,2%
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0,1%
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0,2%
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Bandwidth*;**
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40 Hz
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40 Hz
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40 Hz
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40 Hz
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40 Hz
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40 Hz
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Weight
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< 1,4 kg
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Dimensions
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diam. 89x89 mm (case, connectors extend out)
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Power supply
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27 V ± 10 %
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Interface
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RS-232 , RS-485
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Power consumption*
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75 W at heating up (less than 10 mins); 5…20 W at steady-state
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Operating tenperature
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- 40 °Ñ - +55 °Ñ
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Mechanical shock
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10 g, 400 ms (single); 6 g, 20 ms, 3000 (repeating)
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Random vibration
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(20 – 2000) Hz, 0,015 g**/Hz
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* Parameters given for stable temperature environment (temperature stabilization mode.)
** Standard parameters - can be modified according to specific user requirements.