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Evaluation and Test of a Battery Management Unit for Hybrid Electric Vehicles
KTH, School of Electrical Engineering (EES), Electrical Energy Conversion.
2011 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

In this thesis, the functions of a Battery Management Unit developed in house by Volvo Technology will be tested and evaluated in different aspects. The battery management system tested is a Kalman filter which uses measured cell voltage and current measurements to estimate the state of charge online. The system was tested against a Simulink model of a battery to verify its function in different conditions, and later on, the estimator was tested online with a battery pack consisting of 14 Li-ion cells. The cell balancing and state of power estimation was tested. Finally, a general test procedure to evaluate state of charge accuracy was proposed and tested.

Place, publisher, year, edition, pages
2011. , 39 p.
EES Examensarbete / Master Thesis, XR-EE-EME 2011:002
National Category
Engineering and Technology
URN: urn:nbn:se:kth:diva-53660OAI: diva2:470570
Educational program
Master of Science in Engineering - Electrical Engineering
Available from: 2012-01-19 Created: 2011-12-29 Last updated: 2012-03-16Bibliographically approved

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