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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