Easy to integrate wireless human motion tracker for real-time applications. Used in a body area network, these portable and unobtrusive wireless trackers are ideal for developing customized wearable solutions.
The Awinda radio protocol ensures time-synchronization better than 10 µs between each MTw on a wireless body area network.
Health & Safety
Human Machine Interaction
Integration with the MTw is very straightforward with the Xsens MT Software Suite. The MT Software Suite is an easy-to-use API which can be interfaced with via a COM, C and C++ interface with support for Windows and Linux. The components of the MT Software Suite are:
|Xsens Device API||Easy to use Xsens Device API to communicate with the MTw Awinda interfaces for common programming languages.|
|Example code||Example code To make starting with the MTw even easier, example code is provided for various platforms, amongst others Matlab and Linux.|
|MT Manager||An intuitive GUI for Windows, including configuration and recording tools, graphs and a wireless configuration setup to help understand the Xsens Awinda System.|
|Magnetic Field Mapper||Magnetic Field Mapper An algorithm and tool to calibrate the MTw for hard and soft iron effects. The calibration can be done during normal operation; there are no restrictions on the trajectories or rotations.|
|Documentation||Documentation Full (HTML)-documentation on the MTw, API, SDK and application notes.|
|Synchronization||Tried and tested synchronization of data acquisition systems with Xsens:
Synchronization with Optical Systems
Synchronization with Pressure Mats
Synchronization with EEG systems
|The MTw Awinda includes the MT Software Suite containing:
MT Manager Software
An easy-to-use graphical user interface allowing real-time view of 3D orientation and sensor data, recording of data streamed from the MTw’s through the Awinda Station and export to ASCII files for further analysis.
Software Development Kit
The SDK gives direct and real-time access to the output of the MTw motion trackers, allowing users to configure and easily integrate the MTw’s in their own applications.
It includes drivers for various operating systems, documentation and various other useful tools. Communication is made easy with the Xsens Device API (XDA) which is completely in C-code. The MT SDK includes the following development tools:
|Tracker placement||Easy fastening with Velcro straps|
|Internal sampling rate||1000 Hz|
|Buffer time (retransmissions)||10 s|
|Battery life (continuous use)||6 Hours|
|Dimensions Tracker||47 x 30 x 13 mm (1.85 x 1.18 x 0.51 in)|
|Weight||16 g (0.56 oz.)|
|Operating temperature range||0°C – 50°C|
Wireless update rates
|1 MTw||120 Hz|
|5 MTw||120 Hz|
|9 MTw||100 Hz|
|10 MTw||80 Hz|
|20 MTw (maximum)||60 Hz|
|Range||Awinda station||Awinda dongle|
|Open space||Up to 50 m (165 ft.)||Up to 20 m (65 ft.)|
|Office space||Up to 20 m (65 ft.)||Up to 10 m (33 ft.)|
|Wireless protocol||Xsens patented Awinda protocol 1|
|Receiver||Awinda Station / Awinda Dongle|
|Static Accuracy (Roll/Pitch)||0.5 deg RMS|
|Static Accuracy (Heading)||1 deg RMS|
|Dynamic Accuracy (Roll/Pitch)||0.75 deg RMS|
|Dynamic Accuracy (Heading)||1.5 deg RMS|
|Dimensions||3 axes||3 axes||3 axes|
|Full scale||± 2000 deg/s||± 160 m/s2||± 1.9 Gauss|
1 The patented Awinda protocol ensures highly accurate time synchronized data sampling
(within 10 μs) in all connected MTw’s, which is essential for accurate joint angles.
First-time users are advised to start with an MTw Awinda Bundle containing all components to get your project up and running as quick as possible.
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