Simulation Study on State of Charge of Battery for Electric Vehicle

Abstract:

The accurate estimation for state of charge (SOC) of battery is an important basis on the charging and discharging control and power optimization management of battery for electric vehicle, it affects life of the battery and the dynamic performance of vehicle directly, but the SOC of battery can not be measured directly, in order to obtain SOC of battery. A simple way of SOC calculation is proposed. Ampere time algorithm is taken as the foundation of SOC estimation and other factors affecting capacity of battery are compensated. Simulation on calculation method of SOC of battery is conducted using Matlab/Simulinks; Simulation results show that the calculation method SOC of battery is feasible.

• Periodical: Advanced Materials Research (Volumes 912-914)
• Pages: 1006-1009
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.912-914.1006
• Online since: April 2014
• Authors: Guang Qian Zhu, Chao Wang, Bing Yin Feng
• Keywords: Battery, Electric Vehicle (EV), Simulation, State of Charge (SOC)

References

[1] Chengtao Lin, Junping Wang, Quanshi Chen, in: Methods for state of charge estimation of EV batteries and their application edited by volume 34 of BATTTERY (2004).

[2] Yuan Zhu，Xiaodong Han, in: Research on estimation technology of traction battery SOC for electric vehicle, edited by volume 24 of Power technology (2000).

[3] Antoni Szumanowski: The basis of Hybrid electric vehicle (Beijing Institute of Technology Press, China 2011).

[4] Weihua Huang, in: A Study on SOC Estimation Algorithm and Battery Managanent System for Electric Vehic1e edited by volume 29 of Automotive Engineering (2007).