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World Electric Vehicle Journal is published by MDPI from Volume 9 issue 1 (2018). Articles in this Issue were published by The World Electric Vehicle Association (WEVA) and its member the European Association for e-Mobility (AVERE), the Electric Drive Transportation Association (EDTA), and the Electric Vehicle Association of Asia Pacific (EVAAP). They are hosted by MDPI on mdpi.com as a courtesy and upon agreement with AVERE.
Open AccessArticle

SOC Estimation Based on the Model of Ni-MH Battery Dynamic Hysteresis Characteristic

Harbin Institute of Technology, Harbin, China, 150001
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World Electr. Veh. J. 2010, 4(2), 259-265; https://doi.org/10.3390/wevj4020259
Published: 25 June 2010
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Abstract

Accurate estimation of battery State of Charge (SOC) is essential for battery control and effective energy management of Hybrid Electric Vehicles (HEV). Taking the dynamic hysteresis characteristic of battery into account, an equivalent circuit model is built. Based on the Hybrid Pulse Power Characterization (HPPC) test data, the parameters was adopt by means of on-line least-square regression. The accuracy of SOC estimation algorithm was verified by the energy balance test, the energy consumption test, New Europe Driving Cycle (NEDC) test and real vehicle driving cycle test, respectively. The experimental results show that this method is with high accuracy and reliability.
Keywords: Ni-MH battery; State of charge; Dynamic hysteresis characteristic; Equivalent circuit Ni-MH battery; State of charge; Dynamic hysteresis characteristic; Equivalent circuit
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Lu, R.; Wang, T.; Feng, F.; Zhu, C. SOC Estimation Based on the Model of Ni-MH Battery Dynamic Hysteresis Characteristic. World Electr. Veh. J. 2010, 4, 259-265.

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