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An Adaptive Estimation Scheme for Open-Circuit Voltage of Power Lithium-Ion Battery

Yun Zhang, Chenghui Zhang, Naxin Cui
2013 Abstract and Applied Analysis  
for the battery is obtained based on the equivalent circuit model.  ...  Open-circuit voltage (OCV) is one of the most important parameters in determining state of charge (SoC) of power battery. The direct measurement of it is costly and time consuming.  ...  This work was supported by the National Natural Science Foundation of China (Grants numbers 61034007, 61273097, 61104034, and 61104087) and Research Fund for the Doctoral Programme of Higher Education  ... 
doi:10.1155/2013/481976 fatcat:du3nloncqngxrkv4xtiiqcwfjy

A Simplified Li-ion Battery SOC Estimating Method

Xiaoqiang Zhang, Xiaocheng Wang, Weiping Zhang, Geyang Lei
2016 Transactions on Electrical and Electronic Materials  
circuit voltage method for estimating battery SOC.  ...  The process noise covariance and the measurement noise covariance of the extended Kalman filter method are simplified based on the Thevenin equivalent circuit model, with a proposed simplified SOC estimating  ...  Experimental data from the designed parameter identification experiments of the Thevenin battery model are used as the basis for deducting the Thevenin battery model parameters at corresponding testing  ... 
doi:10.4313/teem.2016.17.1.13 fatcat:vwix6dy2rndsvjgylfpfaetnk4

An improved packing equivalent circuit modeling method with the cell-to-cell consistency state evaluation of the internal connected lithium-ion batteries

Shun-Li Wang, Jian-You Shi, Carlos Fernandez, Chuan-Yun Zou, De-Kui Bai, Jian-Chao Li
2019 Energy Science & Engineering  
The parameter correction treatment is carried out by comparing the estimated and experimental detected closed circuit voltages.  ...  An improved equivalent circuit model is constructed and reported in this manuscript for the first time, which can be used to characterize the working characteristics of the packing lithium-ion batteries  ...  | EXPERIMENTAL ANALYSIS The modeling effect on the experiments is completed to verify the proposed equivalent circuit model.  ... 
doi:10.1002/ese3.294 fatcat:m5qfpm6n5bcupff4zclspi32zu

A Simplified Fractional Order Equivalent Circuit Model and Adaptive Online Parameter Identification Method for Lithium-Ion Batteries

Jianlin Wang, Le Zhang, Dan Xu, Peng Zhang, Gairu Zhang
2019 Mathematical Problems in Engineering  
Taking into account the dynamic changes of lithium batteries, a parameter adaptive online estimation algorithm for fractional equivalent circuit model is proposed.  ...  In order to improve the battery management system performance and enhance the adaptability of the system, a fractional order equivalent circuit model of lithium-ion battery based on electrochemical test  ...  In [10] , GaoPeng and his partners designed an equivalent circuit model for lithium batteries based on electrochemical impedance spectroscopy, which is more accurate but still not simple enough.  ... 
doi:10.1155/2019/6019236 fatcat:suspokrwxfddrjtbtdjjuq6fqy

Study of SOC dynamic estimation method of power lithium battery

Yanan Gou, Xuezheng Han
2018 IOP Conference Series: Materials Science and Engineering  
The Partnership for a New Generation of Vehicles (PNGV) battery equivalent model is established on the basis of the existing charging state estimation method.  ...  Simulation and experiment show that the selected PNGV model has high precision and can simulate the charging and discharging characteristics of the battery truly, so that the SOC estimation value is controlled  ...  Acknowledgments This work was financially supported by Research on intelligent management system of power lithium battery fund, Project fund no, 63501071702.  ... 
doi:10.1088/1757-899x/452/3/032057 fatcat:c4tn7cvujzbinoo6nnzwvyfzoe

The parameter identification method study of the splice equivalent circuit model for the aerial lithium-ion battery pack

Shunli Wang, Carlos Fernandez, Xiaohan Liu, Jie Su, Yanxin Xie
2018 Measurement and control (London. 1968)  
Acknowledgements C.F. would like to express his gratitude to RGU for support. The authors would like to express their gratitude to the sponsors.  ...  The experimental results show that the battery equivalent design model can reflect the state changes of the aerial lithium-ion battery pack.  ...  The least square fitting curve of OCV-SOC that is based on the experimental data can be obtained and used for model parameter identification through the experiments and data analysis.  ... 
doi:10.1177/0020294018770930 fatcat:zeaxvkkkz5hdrhhj4oe4pe5nhu

Comparison of one and two time constant models for lithium ion battery

B. V. Rajanna, Malligunta Kiran Kumar
2020 International Journal of Electrical and Computer Engineering (IJECE)  
One series resistor, one voltage source and a single RC block form the proposed equivalent circuit model.  ...  The dynamic performance of the lithium ion battery is discussed here and a suitable electrical equivalent circuit is developed to study its response for sudden changes in the output.  ...  Creation of lookup tables with SOC and cell temperature as independent variables is done by estimating the parameters of an equivalent circuit model based on experimental data of discharge pulse.  ... 
doi:10.11591/ijece.v10i1.pp670-680 fatcat:k3kwfob6prde3ab3bohragu22u

A Novel Adaptive Particle Swarm Optimization Algorithm Based High Precision Parameter Identification and State Estimation of Lithium-Ion Battery

Mingfang He, School of Information Engineering, Southwest University of Science and Technology, Mianyang 621010, China
2021 International Journal of Electrochemical Science  
for lithium batteries was built, and relevant experiments were designed according to the actual working conditions to obtain experimental data.  ...  In order to verify the parameter estimation effect of APSO algorithm for different models, the second-order RC equivalent circuit model is identified by the same method, and the model parameters are used  ... 
doi:10.20964/2021.05.55 fatcat:icipidhchnfmvn5at3fneog2ke

A Review of Li-ion Battery Equivalent Circuit Models

Xiaoqiang Zhang, Weiping Zhang, Geyang Lei
2016 Transactions on Electrical and Electronic Materials  
Therefore, an accurate and easy-to-observe battery model should be established to achieve systematic design, simulation, and SOC (state of charge) estimations.  ...  Numerous commonly used model parameter identification principles are summarized as well, and basic model verification methods are briefly introduced for the convenient use of such models.  ...  ACKNOWLEDGMENTS This work is supported by the Natural Science foundation of China (No.51277004) and the Beijing Municipal Natural Science Foundation (No. KZ201510009008).  ... 
doi:10.4313/teem.2016.17.6.311 fatcat:olbrjqilufdk5acm5e3litm4tu

A novel safety assurance method based on the compound equivalent modeling and iterate reduce particle‐adaptive Kalman filtering for the unmanned aerial vehicle lithium ion batteries

Shunli Wang, Carlos Fernandez, Yongcun Fan, Juqiang Feng, Chunmei Yu, Kaifeng Huang, Wei Xie
2020 Energy Science & Engineering  
A novel safety assurance method based on the compound equivalent modeling and iterate reduce particle-adaptive Kalman filtering for the unmanned aerial vehicle lithium ion batteries.  ...  An improved reduce particle-adaptive Kalman filtering algorithm is put forward based on the compound equivalent circuit model for the state of charge estimation of the lithium ion batteries, the experimental  ...  experiments and its equivalent model parameters are identified based on the improved characterization of the power state and its output parameters.  ... 
doi:10.1002/ese3.606 fatcat:d6ak2ld3ozeevl2du33rf6bhne

State of charge estimation by using extended Kalman filter based on improved open circuit voltage model

Maamar Souaihia, Bachir Belmadani, Rachid Taleb, Kamel Tounsi
2021 International Journal of Applied Power Engineering (IJAPE)  
This paper focuses on the state of charge estimation (SOC) for battery Li-ion.  ...  By modeling a battery based on the equivalent circuit model, the extended Kalman filter approach can be applied to estimate the battery SOC.  ...  The second-order Thevenin battery model was designed and the parameters of the battery model determination from experimental data.  ... 
doi:10.11591/ijape.v10.i1.pp1-10 fatcat:xjedkh7y2vd3va7bhxbj57kfn4

Comparison of the First Order and the Second Order Equivalent Circuit Model Applied in State of Charge Estimation for Battery Used in Electric Vehicles

Guoliang Wu, Chunbo Zhu, C. C. Chan
2010 Journal of Asian Electric Vehicles  
Different parameters for equivalent circuit models were explained.  ...  In this study, the first order model and the second order equivalent circuit models of NiMH battery for electric vehicle were used to determinate the battery state of charge.  ...  SOC, the battery terminal Voltage and parameters of equivalent circuit by experiments.  ... 
doi:10.4130/jaev.8.1357 fatcat:jgfa5lv7k5hsbhk3n2bcdoosjy

Model identification and parameter estimation of lithium ion batteries for diagnostic purposes

Anna I. Pozna, Attila Magyar, Katalin M. Hangos
2017 2017 International Symposium on Power Electronics (Ee)  
A simple equivalent electrical circuit model was used for this purpose that is nonlinear both in its variables and in its parameters.  ...  A parameter estimation study is reported here to estimate the temperature-dependent internal resistance of a lithium ion battery that is connected to the state of its health.  ...  Further experiments will be designed based on the results of the preliminary experiments.  ... 
doi:10.1109/pee.2017.8171673 fatcat:ykszfchawvepvbea2qjjs7xp54

A Novel State of Charge Estimation Method for Ternary Lithium Batteries Based on System Function and Extended Kalman Filter

Xiong Xin, School of Information Engineering, Southwest University of Science and Technology, Mianyang 621010, China;
2020 International Journal of Electrochemical Science  
The Equivalent Thevenin model is establish to describe the external performance of ternary lithium ion battery base on Hybrid Pulse Power Characteristic experiment by identifying and verifying model parameters  ...  Based on the Thevenin model, the state of charge estimation result shows a better performance in accuracy and robustness compare with traditional coulomb counting method.  ...  ACKNOWLEDGMENTS The work was supported by National Natural Science Foundation of China (No. 61801407).  ... 
doi:10.20964/2020.03.47 fatcat:emjzgha6kzfw3jrojsfk4k3ji4

Prediction of Lead-Acid Battery Performance Parameter: An Neural Network Approach

E. Jensimiriam, P. Seenichamy, S. Ambalavanan
2013 Bulletin of Electrical Engineering and Informatics  
A validation result shows that this model can accurately simulate the dynamic behavior of the lead-acid battery for any different experimental data sets.  ...  Hence, in this communication a valve regulated lead-acid batteries (VRLA) electrical behavior are modeled using MATLAB/SIMULINK and the performance parameters related to the battery such as internal resistance  ...  For performance study, common modeling approach is to develop an electrical circuit that is designed to be functionally equivalent to the battery.  ... 
doi:10.12928/eei.v2i1.263 fatcat:knva7jeupbfr5lkr47ykozr56m
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