A novel pseudo-open-circuit voltage modeling method for accurate state-of-charge estimation of LiFePO4 batteries

K Zhang, R Xiong, Q Li, C Chen, J Tian, W Shen - Applied Energy, 2023 - Elsevier
LiFePO 4 batteries are widely used in electric vehicles and energy storage due to their high
safety. However, their flat voltage characteristics in the middle state of charge (SOC) range …

An accurate state-of-charge estimation of lithium-ion batteries based on improved particle swarm optimization-adaptive square root cubature kalman filter

S Wang, S Zhang, S Wen, C Fernandez - Journal of Power Sources, 2024 - Elsevier
The state of charge (SOC) of lithium-ion batteries (LIBs) is regarded as the fundamental
parameter of the battery management system (BMS). In this paper, a parameter optimization …

State-of-charge estimation of lithium-ion batteries based on fractional-order modeling and adaptive square-root cubature Kalman filter

L Chen, W Yu, G Cheng, J Wang - Energy, 2023 - Elsevier
This paper mainly studies the state of charge (SOC) estimation of lithium batteries based on
a fractional-order adaptive square-root cubature Kalman filter (FO-ASRCKF). Firstly, a …

Neural network extended state-observer for energy system monitoring

Y Zhu, Z Dong, Z Cheng, X Huang, Y Dong, Z Zhang - Energy, 2023 - Elsevier
Due to the complexity of industrial energy systems such as the thermal power plants,
renewable plants and batteries, energy system monitoring is gaining more and more …

Online estimation of lithium-ion battery equivalent circuit model parameters and state of charge using time-domain assisted decoupled recursive least squares …

HY Pai, YH Liu, SP Ye - Journal of Energy Storage, 2023 - Elsevier
To ensure the battery management system (BMS) operates effectively, it is quite important to
accurately determine the model parameters of the equivalent circuit model (ECM) and the …

State of charge estimation under different temperatures using unscented Kalman filter algorithm based on fractional-order model with multi-innovation

Y Xu, H Zhang, J Zhang, F Yang, L Tong, D Yan… - Journal of Energy …, 2022 - Elsevier
In this study, a battery test platform is built to study and analyze the battery model. A
fractional-order model (FOM) of battery is developed by combining the second-order …

An improved adaptive square root cubature Kalman filter method for estimating state-of-charge of lithium-ion batteries

Z Shi, J Xu, M Wu, L Zeng, H Zhang, Y He… - Journal of Energy Storage, 2023 - Elsevier
As a crucial parameter in the battery management system, the accuracy estimation of state-
of-charge (SoC) significantly affects the safe operation of batteries system. To ameliorate the …

State of charge estimation for lithium-ion battery based on improved online parameters identification and adaptive square root unscented Kalman filter

J Wang, J Song, Y Li, T Ren, Z Yang - Journal of Energy Storage, 2024 - Elsevier
Accurate state of charge estimation is crucial for the safe and efficient operation of lithium-
ion batteries. The Kalman filtering algorithm has been widely used in state-of-charge (SOC) …

Accurate state of temperature estimation for Lithium-Ion batteries based on square root cubature Kalman filter

J Shen, Z Zhang, S Shen, Y Zhang, Z Chen… - Applied Thermal …, 2024 - Elsevier
Accurate state of temperature estimation for lithium-ion batteries is essential to ensure its
safe and efficient operations. In this study, a state of temperature estimation framework for …

An intelligent fusion estimation method for state of charge estimation of lithium-ion batteries

X Cheng, X Liu, X Li, Q Yu - Energy, 2024 - Elsevier
The state of charge estimation of lithium-ion batteries in electric vehicles is critical in battery
management systems. Using a single model and algorithm for state of charge estimation has …