Miniature Wireless Inertial Sensor for Measuring Human Motions

A sensor system for measuring human motions is presented. The system consists of a number of miniature wireless inertial sensors that are attached to limbs of a person, and a PC with a wireless receiver that interprets and presents the measurement data. Each of the sensors measures 3D- acceleration,...

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Veröffentlicht in:	2007 29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society 2007-01, Vol.2007, p.6278-6281
Hauptverfasser:	van Acht, V., Bongers, E., Lambert, N., Verberne, R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Acceleration Accelerometers Anthropometry Arm - physiology Equipment Design Equipment Failure Analysis Humans Magnetic field measurement Magnetic sensors Miniaturization Monitoring, Ambulatory - instrumentation Motor Activity - physiology Movement - physiology Receivers Sensor systems Telemetry - instrumentation Transducers Velocity measurement Wireless sensor networks
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Beschreibung
Zusammenfassung:	A sensor system for measuring human motions is presented. The system consists of a number of miniature wireless inertial sensors that are attached to limbs of a person, and a PC with a wireless receiver that interprets and presents the measurement data. Each of the sensors measures 3D- acceleration, 3D-magnetization (earth magnetic field) and 3D- angular speed (gyroscopes). The data is transmitted via a proprietary protocol on an 802.15.4 radio. The angular accuracy of the calibrated system was found to be better than 3 degrees. The system is currently being applied in a pilot trial for motor rehabilitation of stroke patients.
ISSN:	1094-687X 1557-170X 1558-4615
DOI:	10.1109/IEMBS.2007.4353790