MTi-G

MTi-G

The MTi-G is a GPS aided MEMS based Inertial Measurement Unit (IMU) and static pressure sensor. It delivers unprecedented performance for its size, weight, cost and low complexity in use. The MTi-G overcomes typical IMU and AHRS challenges faced in e.g. aerospace and automotive applications.

The design of the MTi-G is flexible, providing a wide range of output modes and advanced settings for specific usage scenarios, optimizing the sensor fusion algorithm routine for different applications.

The MTi-G has an onboard Attitude and Heading Reference System (AHRS) and Navigation processor. This low-power Digital Signal Processor runs a real-time Xsens sensor fusion algorithm, providing drift-free, GPS-enhanced, 3D orientation data.

Additionally the MTi-G provides inertial and barometric enhanced 3D position and velocity data at a higher update rate than possible with a typical GPS receiver.

MT Development Kit

First-time users should acquire the MTi-G Development Kit. This kit includes an MTi-G measurement unit, a calibration certificate, a user manual, a RS232 (USB Cable), a GPS antenna for MTi-G and our user friendly MT Software Development Kit (SDK).  The Development Kit allows users to fully explore the possibilities of the MTi-G, 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 GPS-enhanced attitude/heading and inertial enhanced position/velocity data
• GPS integration overcomes typical IMU challenges
• Integrated AHRS, GPS and static pressure sensor
• On board DSP, running sensor fusion algorithm
• High update rate (120 Hz)
• Individually calibrated for temperature, 3D misalignment and sensor cross-sensitivity
• UTC referenced output

Compact design

• Compact and robust design
• Easy integration in any system (OEM) application
• Low weight, ultra-low power consumption

High performance

The MTi-G is a combination of a MEMS IMU, GPS and barometer. Yet, the MTi-G is more than just a sensor assembly. The IMU, GPS and barometric information is blended together in Xsens’ sensor fusion algorithm to estimate the most accurate orientation and position possible. Because of this fusion, the output is more accurate than the output from the IMU or GPS receiver only. For example, the MTi-G copes with transient accelerations; a typical error source for any AHRS using the gravity as its reference estimating roll and pitch. The loose coupling works both sides: double-integrating the accelerometers for short periods, the MTi-G is able to calculate position and velocity even during short GPS outages. There are several more corrections realized to aid the IMU functionality and to enhance the GPS measurements.

User friendliness

The MTi-G is a sensor which can be used in a wide range of applications. Because of the specific requirements for all these applications, the MTi-G uses different filter settings and constraints, implemented in scenarios. Among others, there are scenarios for use in automotive and aerospace applications. The accompanied MT manager software enables.

Output

• 3D Orientation (360°)
• 3D Position and Velocity (aided and unaided by inertial sensors)
• 3D acceleration, 3D rate of turn, 3D magnetic field

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