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《Journal of Chongqing University of Technology(Natural Science)》 2015-01
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Research on Real Time Estimation Method of New SOC Ampere Hours Integral for Lithium Ion Battery

DENG Tao;SUN Huan;School of Mechatronics & Automotive Engineering,Chongqing Jiaotong University;  
In order to accurately estimate the lithium-ion battery SOC,the SOC estimation real-time simulation model was established in consideration of comprehensive factors such as charging and discharging efficiency and temperature compensation measures with ampere-hour integral method,the open circuit voltage and load voltage method. The lithium-ion battery charging and discharging test platform was set up for SOC real-time verification. The simulation and experimental analysis results show that the SOC error values is controlled within 3%,and the new ampere-hour integral can provide real-time battery SOC estimation and detection of some important reference value.
【Fund】: 国家自然科学基金资助项目(51305473);; 中国博士后科学基金资助项目(2014M552317);; 重庆市基础与前沿研究计划项目(cstc2013jcyj A60007);; 重庆市教委科学技术研究项目(KJ120421)
【CateGory Index】: TM912
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