12x12mm IMU modules target smart farming equipment

September 11, 2018 // By Julien Happich
For its MTi 1-series Inertial Measurement Unit (IMU) modules, Xsens' improved on roll, pitch and yaw measurement accuracy and delivers higher tolerance of mechanical while sharing the same footprint, pin allocation and software interface as its first generation products.

The new modules integrate the latest, best-in-class accelerometer and gyroscope ICs alongside Xsens' high-performance sensor fusion algorithms. The modules synthesize at very high speed the inputs from multiple motion sensors, to provide synchronized data on an object’s heading, orientation, acceleration and position. This sensor fusion produces accurate measurements of high-frequency motion, ideal for stabilization of handheld laser scanners and of professional UAVs and drones.

The updated design of the MTi 1-series modules has produced improved performance, including static roll/pitch measurement accuracy of ±0.5°rms, dynamic roll/pitch measurement accuracy of ±0.8°rms, and dynamic yaw measurement accuracy of ±2°rms. The device's 12.1x12.1x2.6mm surface-mount package is less susceptible to the effects of torsional stress, and thus more robust and reliable in demanding applications that are subject to shock or vibration, yet it weighs under 1g.

The upgraded MTi 1-series modules is supported with a new, high-performance development kit including a shield board with an Arduino-compatible header for easy integration into shield-based prototype systems. The kit comes with Xsens’ intuitive MT Software Suite for Windows and Linux, and a software development kit with drivers and embedded software examples. It provides access to the module’s I2C, SPI and UART interfaces and a micro-USB connection. The MTi 1-series includes four products: the MTi-1 IMU, the MTi-2 a Vertical Reference Unit (VRU) providing inertial measurement data, roll/pitch measurements, and heading tracking, the MTi-3 Attitude Heading and Reference System (AHRS) providing inertial measurement data and roll/pitch/yaw measurements and the MTi-7 full-featured GNSS/INS module which accepts a GNSS input to provide full 3D orientation, position and velocity data as well as inertial measurement data.

Xsens - www.xsens.com


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