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Inertia-Link®
Inertial Measurement Unit/IMU and Vertical Gyro
Features and Benefits
- small, light-weight, low-power design ideal for size-sensitive applications including wearable devices
- fully temperature compensated over entire operational range
- calibrated for sensor misalignment, gyro G-sensitivity, and gyro scale factor non-linearity
- simultaneous sampling for improved time integration performance
- available with wireless and USB communication interfaces
- user adjustable data rate (1 to 250Hz) and sensor bandwith (1 to 100Hz)
- outputs include Euler angles, rotation matrix, deltaAngle & deltaVelocity, acceleration and angular rate vectors
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Description
Inertia-Link® is a high-performance Inertial Measurement Unit and Vertical Gyro
utilizing miniature MEMS sensor technology. It combines a triaxial accelerometer,
triaxial gyro, temperature sensors, and an on-board processor running a sophisticated
sensor fusion algorithm.
Inertia-Link® offers a range of output data quantities from fully calibrated
inertial measurements (acceleration & angular rate or deltaAngle & deltaVelocity
vectors) to computed orientation estimates (pitch & roll or rotation matrix). All
quantities are fully temperature compensated and corrected for sensor misalignment.
The angular rate quantities are further corrected for G-sensitivity and scale factor
non-linearity to third order.
Inertia-Link's communications interface hardware is contained in a separable module,
and can therefore be easily customized. Currently available interface modules include
a wireless transceiver, USB 2.0, RS232 and RS422. An OEM version is available without
the communications interface enabling the sensor to be integrated directly into
a host system's circuitboard, providing a very compact sensing solution.
The 3DM-GX2® Software Development Kit (SDK) provides application builders with
robust protocols and source code samples to operate the Inertia-Link® and 3DM-GX2®
orientation sensors. The SDK includes a complete Data Communications Protocol manual,
a detailed Users manual, ANSI C Implementation and API. Sample applications demonstrating
many protocol commands are provided with fully-commented source code for Microsoft®
Visual Studio C++ 2003/2008 Express, LabVIEW® 7.1.1, Microsoft® Visual Studio
Visual Basic 2005 and Microsoft® Visual Basic 6.0.
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Applications
- inertial aiding INS and GPS, location tracking
- unmanned vehicles, robotics - navigation, artificial horizon
- computer science, biomedical - animation, linkage free tracking/control
- platform stabilization
- antenna and camera pointing
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Specifications
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Orientation Range (pitch, roll, yaw) |
360˚ about all axes |
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Accelerometer range |
Accelerometers: ± 5 g standard, 10 g and ± 2 g
also available |
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Accelerometer bias stability |
± 0.010 g for ± 10 g range ± 0.005 g for
± 5 g range
± 0.003 g for ± 2 g range |
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Accelerometer nonlinearity |
0.2% |
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Gyro range |
gyros: ± 300˚/sec standard, ± 1200˚/sec, ± 600˚/
sec,
± 150˚/sec, ± 75˚/sec also available |
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Gyro bias stability |
± 0.2˚/sec for ± 300˚/sec |
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RF Output Power |
0dBm (1 mW) |
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Gyro nonlinearity |
0.2% |
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A/D resolution |
16 bits |
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Orientation Accuracy |
± 0.5˚ typical for static test conditions ± 2.0˚ typical
for dynamic (cyclic) test conditions and for arbitrary orientation angles |
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Orientation Resolution |
<0.1˚ minimum |
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Repeatability |
0.20˚ |
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Output modes |
Acceleration and angular rate, deltaAngle and deltaVelocity, Euler angles, rotation
matrix |
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Interface options |
RS232, RS422, USB 2.0 and wireless - 2.45 GHz IEEE 802.15.4 direct sequence spread
spectrum, license free worldwide (2.450 to 2.490 GHz) - 16 channels |
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Wireless communication range |
70 m |
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Digital output rates |
Standard RS-232, USB or RS-422 interface: Up to 237Hz Wireless interface: Up to
100Hz OEM or custom interface: Up to 1000Hz |
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Serial data rate |
115200 bps |
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Supply voltage |
+4.5 to +16 volts DC
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Power consumption |
90 mA |
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Connectors |
micro DB9 |
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Operating temperature |
-40 to +70˚C with enclosure
-40 to +85˚C without enclosure |
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Dimensions |
41 mm x 63 mm x 24 mm with enclosure 32 mm x 36 mm
x 15 mm without enclosure |
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Weight |
39 grams with enclosure, 16 grams without enclosure |
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Shock limit |
1000 g (unpowered), 500 g (powered) |
*Accuracy and stability specifications obtained over operating temperatures of -40
to 70˚C with known sine and step inputs, including angular rates of ±
300˚ per second.
Patents pending.
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General Documentation
Software Development Kit
Technical Notes
Mechanical Prints
Code Samples
FAQ's
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Inertia-Link® Starter Kits
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Inertial Measurement Unit
and Vertical Gyro
INERTIA-LINK-2400-SK1
Includes
(1) Inertia-Link-2400-M Wireless IMU, (1) USB Base Station, (1) power supply, Windows XP compatible software
Part Number: 6211-2351
Online price: $2795.00
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MicroStrain has identified your location as
United States. If this is incorrect please contact
sales at 802-862-6629 or sales@microstrain.com
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Inertial Measurement Unit
and Vertical Gyro
INERTIA-LINK-USB-SK1
Includes
(1) Inertia-Link-USB-M, (1) Communication Cable, Windows XP compatible software
Part Number: 6211-2341
Online price: $1395.00
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MicroStrain has identified your location as
United States. If this is incorrect please contact
sales at 802-862-6629 or sales@microstrain.com
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