Inertial Measurement Unit

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Inertial Measurement Unit
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1 Introduction to Inertial Measurement Units (IMUs)

2 Inertial Measurement Unit Modeling Parameters

  • Note: Use the tables below for an initial examination. See data sheet before making final decision.
  • Note: + means the damping is assumed to LaTeX: \frac{1}{\sqrt{2}}

2.1 IMU Manufacturer: MEMSense

Table 1: MEMSense Nano Inertial Measurment Units
Model Accel/Rate Bandwidth (Hz) Damping (%) Noise Resolution

NA02

Accel

50

+

0.6 mg

9.16E-5 g/bit

NA05

Accel

50

+

1.1 mg

4.56E-4 g/bit

NA10

Accel

50

+

2.1 mg

2.29E-4 g/bit

-0150F050

Rate

50

+

0.36 °/s

6.867E-3 (°/s)/bit

-0300F050

Rate

50

+

0.56 °/s

1.3733E-2 (°/s)/bit

-0600F050

Rate

50

+

0.56 °/s

2.7465E-2 (°/s)/bit

-1200F050

Rate

50

+

0.56 °/s

5.4932E-2 (°/s)/bit


Table 2: MEMSense Micro Inertial Measurment Units
Model Accel/Rate Bandwidth (Hz) Damping (%) Noise Resolution

IM02

Accel

50

+

0.6 mg

9.16E-5 g/bit

IM05

Accel

50

+

1.1 mg

4.58E-4 g/bit

IM10

Accel

50

+

2.1 mg

2.29E-4 g/bit

-0150C050

Rate

50

+

0.36 °/s

6.867E-3 (°/s)/bit

-0300C050

Rate

50

+

0.56 °/s

1.3733E-2 (°/s)/bit

-0600C050

Rate

50

+

0.56 °/s

2.7465E-2 (°/s)/bit

-1200C050

Rate

50

+

0.56 °/s

5.4932E-2 (°/s)/bit


Table 3: MEMSense MAG3 Analog Inertial Measurment Sensors
Model Accel/Rate Bandwidth (Hz) Damping (%) Noise X & Z Noise Y

MAG02

Accel

50

+

92 μg/Hz1/2

110 μg/Hz1/2

MAG05

Accel

50

+

167 μg/Hz1/2

191 μg/Hz1/2

MAG10

Accel

50

+

316 μg/Hz1/2

343 μg/Hz1/2

-0150S050

Rate

50

+

0.1 (°/s)/Hz1/2

0.1 (°/s)/Hz1/2

-0300S050

Rate

50

+

0.15 (°/s)/Hz1/2

0.15 (°/s)/Hz1/2

-0600S050

Rate

50

+

0.15 (°/s)/Hz1/2

0.15 (°/s)/Hz1/2

-1200S050

Rate

50

+

0.15 (°/s)/Hz1/2

0.15 (°/s)/Hz1/2


Table 4: MEMSense AccelRate3D Analog Inertial Measurment Sensors
Model Accel/Rate Bandwidth (Hz) Damping (%) Noise X & Z Noise Y

AR02

Accel

50

+

92 μg/Hz1/2

110 μg/Hz1/2

AR05

Accel

50

+

167 μg/Hz1/2

191 μg/Hz1/2

AR10

Accel

50

+

316 μg/Hz1/2

343 μg/Hz1/2

-0150S050

Rate

50

+

0.1 (°/s)/Hz1/2

0.1 (°/s)/Hz1/2

-0300S050

Rate

50

+

0.15 (°/s)/Hz1/2

0.15 (°/s)/Hz1/2

-0600S050

Rate

50

+

0.15 (°/s)/Hz1/2

0.15 (°/s)/Hz1/2

-1200S050

Rate

50

+

0.15 (°/s)/Hz1/2

0.15 (°/s)/Hz1/2

3 References

3.1 MEMSense Data Sheets