NDLI: Real-time arm movement recognition using FPGA

Content Provider	IEEE Xplore Digital Library
Author	Biswas, D. Ajiwibawa, G.J. Maharatna, K. Cranny, A. Achner, J. Klemke, J. Jobges, M.
Copyright Year	2015
Description	Author affiliation: Fac. of Phys. Sci. & Eng., Univ. of Southampton, Southampton, UK (Biswas, D.; Ajiwibawa, G.J.; Maharatna, K.; Cranny, A.) \|\| Brandenburg Klinik, Berlin, Germany (Achner, J.; Klemke, J.; Jobges, M.)
Abstract	In this paper we present a FPGA-based system to detect three elementary arm movements in real-time (reach and retrieve, lift cup to mouth, rotation of the arm) using data from a wrist-worn accelerometer. Recognition is carried out by accurately mapping transitions of predefined, standard orientations of an accelerometer to the corresponding arm movements. The algorithm is coded in HDL and synthesized on the Altera DE2-115 FPGA board. For real-time operation, interfacing between the streaming sensor unit, host PC and the FPGA was achieved through a combination of Bluetooth, RS232 and an application software developed in C# using the .NET framework to facilitate serial port controls. The synthesized design used 1804 logic elements and recognised the performed arm movement in 41.2 μs, @50 MHz clock on the FPGA. Our experimental results show that the system can recognise all three arm movements with accuracies ranging 85%-96% for healthy subjects and 63%-75% for stroke survivors involved in `making-a-cup-of-tea', typical of an activity of daily living (ADL).
Starting Page	766
Ending Page	769
File Size	683171
Page Count	4
File Format	PDF
ISBN	9781479983919
DOI	10.1109/ISCAS.2015.7168746
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-05-24
Publisher Place	Portugal
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Field programmable gate arrays Real-time systems Accelerometers Acceleration Wireless sensor networks Boards Bluetooth FPGA Accelerometer activity recognition remote health monitoring wireless sensor network (WSN) synthesis
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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