La description
MTi-AHRS
The MTi is a miniature,
gyro-enhanced Attitude and Heading Reference
System (AHRS).Its internal low-power signal processor
provides drift-free 3D orientation as well as calibrated 3D
acceleration, 3D rate of turn and 3D earth-magnetic field
data.
The MTi is an excellent measurement
unit (IMU) for stabilization and control of cameras, robots,
vehicles and other (un)manned equipment.
The standard MTi version contains
accelerometers with a full scale of 5g and gyroscopes with a full
scale of **0°/s. Optional are accelerometers with a full scale of
*8g, and gyroscopes with a full scale of **0°/s and ***0°/s (for
more information view "specs" section).
A number of pre-set user scenarios
are available optimizing the Extended Kalman Filter routine for
different applications. These pre-set user scenarios replace the
manual filter settings used in previous versions of the Xsens
sensor fusion algorithm . Based on the chosen scenario the sensor
fusion algorithm will apply optimised filter settings recommended
for the application.
MT Development Kit
First-time users should acquire the
MTi Development Kit. This kit includes an MTi measurement unit, a
calibration certificate, a user manual, a RS**2 (USB Cable) and our
user friendly MT Software Development Kit (SDK). The Development
Kit allows users to fully explore the possibilities of the MTi, and
the integration possibilities of the MT with your own system. With
the Development Kit you have will have your measurement unit up and
running in just a few minutes to start your first R&D.
Highlights
- Real-time computed attitude/heading
and inertial dynamic data
- **0º orientation referenced by gravity
and Earth Magnetic Field
- Integrated 3D gyroscopes,
accelerometers and magnetometers
- On board DSP, running sensor fusion
algorithm
- Gyroscopes enable high-frequency
orientation tracking
- High update rate (**0 Hz), inertial
data processing at max **2 Hz
- Individually calibrated for
temperature, 3D misalignment and sensor cross-sensitivity
- Accepts and generates synchronization
pulses
Compact Design
- Compact and robust design
- Easy integration in any system (OEM)
application
- Low weight, ultra-low power
consumption
High Performance
The MTi uses inertial sensors in
order to estimate the orientation. The gyroscopes are used to
calculate orientation. Integration drift is inevitable whilst using
gyroscopes. To compensate for drift completely, the MTi corrects
its orientation every sample using the gravity and the earth
magnetic field as reference vectors.The sophisticated Xsens sensor
fusion algorithm can cope with short-term magnetic disturbances and
lateral accelerations, resulting in a reliable orientation
estimate. Additionally, the MTi incorporates a magnetic field
mapping routine to correct for hard and soft iron effects.
User scenarios
The MTi is a sensor which can be used
in a wide range of applications. To accommodate application
specific requirements, the fusion algorithm supports different
filter settings and constraints, implemented in scenarios.
Output
- 3D Orientation (**0°)
- 3D acceleration
- 3D rate of turn
- 3D magnetic field
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