MEMS inertial sensors and systems

MEMS IMU AIST-321

MEMS IMU AIST-321

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:


 

Modification of the IMU

AIST-321-Ê

AIST-321

AIST-321-Ì

Parameter

Gyro

Accelerometer

Gyro

Accelerometer

Gyro

Accelerometer

Dynamic range

± 50 °/s

± 18 g

± 150°/s

± 18 g

± 300°/s

± 18 g

Bias stability*

4 °/h

2 mg

10 °/h

2 mg

20 °/h

2 mg

ARW*

0,15 °/sqrt(h)

0,2 ì/ñ/sqrt(h)

0,15 °/sqrt(h)

0,2 ì/ñ/sqrt(h)

0,15 °/sqrt(h)

0,2 ì/ñ/sqrt(h)

SF Stability*

0,1%

0,2%

0,1%

0,2%

0,1%

0,2%

Output non-linearity*

0,1%

0,2%

0,1%

0,2%

0,1%

0,2%

Bandwidth*;**

40 Hz

40 Hz

40 Hz

40 Hz

40 Hz

40 Hz

Weight

< 1,4 kg

Dimensions

diam. 89x89 mm (case, connectors extend out)

Power supply

27 V ± 10 %

Interface 

RS-232 , RS-485

Power consumption*

75 W at heating up (less than 10 mins);    5…20 W at steady-state

Operating tenperature

- 40 °Ñ - +55 °Ñ

Mechanical shock

10 g, 400 ms (single);   6 g, 20 ms, 3000 (repeating)

Random vibration 

(20 – 2000) Hz, 0,015 g**/Hz


 

* Parameters given for stable temperature environment (temperature stabilization mode.)

** Standard parameters - can be modified according to specific user requirements.

MEMS IMU AIST-321 files to download