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Storing and reading sensor data from battery assisted passive RFID
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences.
2011 (English)Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

Radio Frequency Identification (RFID) technology is an electronic labeling technique.These electronic labels are called tags and read wirelessly. In this thesis a battery and amicroprocessor are connected to the tag. The work consisted of programming themicroprocessor to transfers sensor data into the tags memory. The tags are placed ontrains and data is collected from sensors at the train's axle. That way sensor data can betransmitted from a train to readers stationed along the railroad tracks.The aim of the project is to predict service intervals. There is currently no possibility tosee wear in real time and stop a train before it breaks. At present, there is a form of heatdetectors located along the railroad tracks to measure temperatures of wheels and axlesof passing trains. These are expensive and have the disadvantage of being able to detecterrors that have already occurred, they can not detect errors that do not radiate heat.The thesis aims to provide a solution for this. By programming a microprocessor totransmit sensor data to the tags memory it is possible for an RFID reader to read thesensor data from the tag. Ensuring that data and identity can be read from the tag atspeeds up to 250 km/h, you can get the status of a trains wagon before it breaks.

Place, publisher, year, edition, pages
2011. , 30 p.
Keyword [en]
RFID, BAP, Train, Tåg, Contiki, Wireless sensor network, Trådlösa sensornätverk
National Category
Engineering and Technology
URN: urn:nbn:se:uu:diva-162002ISRN: UTH-INGUTB-EX-E-2011/09-SEOAI: diva2:458154
Educational program
Bachelor Programme in Electrical Engineering
2011-11-17, 20:53 (Swedish)
Available from: 2011-11-24 Created: 2011-11-21 Last updated: 2011-11-24Bibliographically approved

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