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Intelligent charging and control of portable battery packs
Linköping University, Department of Science and Technology. Linköping University, The Institute of Technology.
2008 (English)Independent thesis Advanced level (degree of Master (One Year)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This report describes thesis work performed at SAAB Aerotech in Link oping, Sweden. The task was to nd a way to have portable electronics' battery packs supervise their own charg- ing i.e. designing a charger that would t inside the battery pack itself. The work was started by identifying the demands that SAAB Aerotech and their customer have on portable bat- tery packs. A survey was done, forming the basis of a design specication that species what an implementation should aim at fullling. The resulting design specication closely matches what is known as a smart battery, but with dierent character- istics especially when it comes to driving high power loads and coping with rough conditions. Therefore, this report describes one possible way to implement \Smart Battery" functionality in a battery pack while at the same time adressing the special de- mands of the company. A Smart Battery is capable of measuring and logging data, and uses this data to predict performance. A communication inteface can then convey this information to host equipment and chargers.

A background to what smart batteries do dierently than dumb batteries is given in the beginning of the report. Following chapters discuss battery technology and smart batteries in more detail. The main portion of the report is the description of the design and implementation of a prototype smart battery pack. This section describes choice of hardware, circuit board design and coding in C. The report is concluded with results from the design and implementation. Recommendations on further work are also presented.

Place, publisher, year, edition, pages
2008. , 75 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-95261ISRN: LiU-ITN-TEK-A--08/061--SEOAI: oai:DiVA.org:liu-95261DiVA: diva2:640322
Subject / course
Electrical Engineering
Supervisors
Examiners
Available from: 2013-08-13 Created: 2013-07-03 Last updated: 2013-08-19Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
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
  • text
  • asciidoc
  • rtf