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Development and Evaluation of an Inertial Sensor for Gait Analysis
Linköping University, Department of Electrical Engineering.
2006 (English)Independent thesis Basic level (professional degree), 20 points / 30 hpStudent thesis
Abstract [en]

Hasomed GmbH, a German company in the Field of medicine technology, intends to introduce a gait analysis system on the market. The system includes an inertial sensor which collects data used for generating movement patterns of the feet. This thesis describes the development and evaluation of a new version of the sensor, aimed at minimizing costs, maximizing performance and facilitating production.

Algorithms used in the gait analysis system are sensitive to noise. Noise sources and precautions taken in order to minimize noise levels are described and discussed. By minimizing the physical size of analogue electronics blocks, static noise and occasional high frequency components were substantially reduced.

New features including internal temperature sensors, firmware update via serial interface, self-test functions and a wireless link were implemented. Additional improvements are e.g. lower power consumption and an extension of the interface from 2 to 256 (theoretical limit) attached devices. By reducing the number of included components and PCB (Printed Circuit Board) layers, together with use of components that do not require advanced soldering techniques, easier and cheaper production was obtained.

Research and development presented in this thesis resulted in a sensor with overall good performance and new features.

Place, publisher, year, edition, pages
Institutionen för systemteknik , 2006. , 48 p.
Keyword [en]
Inertial Sensor, Inertial Measurement Unit, MEMS, Motion Capture
National Category
Biomedical Laboratory Science/Technology
Identifiers
URN: urn:nbn:se:liu:diva-7404ISRN: LITH-ISY-EX--06/3940--SEOAI: oai:DiVA.org:liu-7404DiVA: diva2:22409
Presentation
2006-09-20, Nollstället, B, Campus Valla, Linköping, 10:15
Uppsok
medicin
Supervisors
Examiners
Available from: 2006-09-20 Created: 2006-09-20

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Biomedical Laboratory Science/Technology

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
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  • asciidoc
  • rtf