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MTw Awinda

Wireless Motion Tracker

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.

  • Easy to integrate using extended API
  • Providing highly accurate, drift-free 3D orientation data
  • Data multiple MTw’s is time-synchronized to within 10µs using patented Awinda protocol

Overview

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Ergonomics

  • Workplace Ergonomics
  • Virtual Verification
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Health & Safety

  • Therapy
  • Prevention
  • Rehabilitation
  • Pedestrian Navigation
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Sports

  • Injury prevention
  • Performance science
overview-research

Research

  • Biomechanics
  • Gait Analysis
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Virtual Reality

  • Training & Simulation
  • Head tracking
  • Game
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Human Machine Interaction

  • Robot


System Integration

awinda-systemintegrationIntegration 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 Xsens APIEasy 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 EMG Systems
Synchronizing with Noraxon EMG
Synchronizing with Cometa Wave
Synchronizing with Delsys Trigno EMG
Synchronizing with BTS FREEEMG

Synchronization with Pressure Mats
Synchronize with GAITRite Pressure Mat

Synchronization with Optical Systems
Synchronize with Vicon

Specifications

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Tracker placement Easy fastening with Velcro straps
Internal sampling rate 1000 Hz
Latency 30 ms
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

 

Communication

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

 

Orientation

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

 

Tracker components

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.

Bundles

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.

MTw Awinda Development Kit
The MTw Awinda DK can be used as a starter kit for integration in your wearable project.
1-20 x MTw Awinda Wireless 3DOF Motion Tracker
1 x Awinda Receiving Dongle
1 x Charging cable MTw
1 x MTw Software Development Kit
1 x Protective Boxawinda-bundle-2Buy MTw Awinda Development Kit
MTw Awinda Research Kit
The MTw Awinda Research Kit is a complete research solution for measuring 3D human kinematics.
6 x MTw Awinda Wireless 3DOF Motion Tracker
1 x Awinda Recording and Docking Station
1 x Awinda Receiving Dongle
1 x Awinda Full Body Strap Set
1 x MTw Software Development Kit
1 x Suitcase MTw Awinda DKawinda-bundle-1Buy MTw Awinda Research Kit
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