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Parameter Estimation for Model Validation of an Energy Storage System During Operation in a Series Hybrid Electric Vehicle

[+] Author Affiliations
Hasnaa Khalifi, Marc Compere, Patrick Currier

Embry-Riddle Aeronautical University, Daytona Beach, FL

Paper No. IMECE2015-52613, pp. V012T15A007; 8 pages
doi:10.1115/IMECE2015-52613
From:
  • ASME 2015 International Mechanical Engineering Congress and Exposition
  • Volume 12: Transportation Systems
  • Houston, Texas, USA, November 13–19, 2015
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5755-7
  • Copyright © 2015 by ASME

abstract

Battery models can be developed from first principles or from empirical methods. Simulink Parameter Estimation toolbox was used to identify the battery parameters and validate the battery model with test data. Experimental data was obtained by discharging the battery of a modified 2013 Chevrolet Malibu hybrid electric vehicle. The resulting battery model provided accurate simulation results over the validation data. For the constant current discharge, the mean squared error between measured and simulated data was 0.26 volts for the 298V terminal voltage, and 6.07E−4 (%) for state of charge. For the extended variable current discharge, the mean squared error between measured and simulated data was 0.21 volts for terminal voltage and 9.25E−4 (%) for state of charge.

Copyright © 2015 by ASME

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