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Xsens MTw Awinda
Highly accurate, small and lightweight 3D human wireless motion tracker. Easy to integrate wireless human motion tracker for...
Xsens MTw Awinda
Xsens MTw Awinda – Highly accurate, small and lightweight 3D human 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.
Overview
Ergonomics
- Workplace Ergonomics
- Virtual Verification
Health & Safety
- Therapy
- Prevention
- Rehabilitation
- Pedestrian Navigation
Sports
- Injury prevention
- Performance science
Research
- Biomechanics
- Gait Analysis
Virtual Reality
- Training & Simulation
- Head tracking
- Game
Human Machine Interaction
- Robot
System Integration
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 EMG Systems
Synchronization with Optical Systems
Synchronization with Pressure Mats
Synchronization with EEG systems
|
Specifications
| 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.
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