However, the widely applied equivalent circuit model (ECM) has limitations at low SOC range. In this paper, an optimized equivalent model is proposed combining the lithium-ion battery internal electrochemical processes with the ECM. For one thing, the proposed model is able to offer high accuracy...
In this article, the equivalent circuit model of lithium-ion battery and the variable forgetting factor (VFF) least squares model identification method are proposed. This parameter identification method can improve the accuracy of the lithium-ion battery model, thereby ensuring the accuracy of the ...
State-of-charge estimation technique for lithium-ion batteries by means of second-order extended Kalman filter and equivalent circuit model: Great temperat... The present work focuses on the state-of-charge (SOC) estimation of a lithium-ion battery in terms of a second-order extended Kalman fi...
An equivalent circuit model (ECM) is one of the representative models in the field [24]. The ECM is easy to realize and can describe dynamic characteristics of a battery [25], however, its accuracy is known to be poor at low SOC and low temperatures. In [26], the hysteresis effects ...
42 proposed a battery neural network (BattNN) for discharge voltage prediction based on the equivalent circuit model (ECM). Hofmann et al.43 used the pseudo-two-dimensional (P2D) Newman model to generate data at different health status points and combined it with experimental data and field ...
State-of-Charge Estimation for Lithium-Ion Battery Base on Adaptive Extended Sliding Innovation Filter In order to enhance the precision of SoC estimation, this study introduces the 2RC equivalent circuit model for lithium batteries. The Adaptive Extended ... Z Wang,J Shen,Y Xu - 《Energies》 ...
This study investigates battery state-of-charge (SOC) estimation under different temperature conditions. A battery modeling approach is developed aiming to improve the accuracy of the SOC estimation when ambient temperature is taken into account. Firstly, a widely used equivalent circuit model with the...
Comparison Study of Equivalent Circuit Model of Li-ion Battery for Electrical Vehicles Advanced Anode Materials for Li-Ion Batteries(锂离子电池的高级阳极材料) electrolytes for lithium and lithium-ion batteries 低速电动车用锂离子电池系统 Equivalent circuit models for optical amplifiers 锂离子电池、车辆、...
Finally, we use the estimated result of the sequence data to predict the SOC of the lithium-ion battery. ConvlGRU combined with MHA for state of charge prediction model General model structure In this study, we propose a model that combines the advantages of Convolutional layers, Gated ...
In addition, after optimizing the parameters of the battery models by a Genetic Algorithm (GA), four typical battery models including a combined model, two RC Equivalent Circuit Model (ECM), a Single Particle Model (SPM), and a Support Vector Machine (SVM) battery model are compared in ...