On-line multi-time scale adaptive parameter identification based on improved lithium-ion batteries hysteresis characteristic-electrical equivalent circuit modeling

C Qi, S Wang, W Cao, Y Xie, M Lei�- Journal of the�…, 2023 - iopscience.iop.org
Accurate identification of model parameters is a key aspect of lithium battery state estimation.
To accurately identify battery model parameters, this paper establishes Hysteresis …

Improved joint prediction strategy for state of charge and peak power of lithium-ion batteries by considering hysteresis characteristics-current measurement deviation�…

C Qi, S Wang, W Cao, Y Wang, D Liu…�- Journal of Energy�…, 2024 - Elsevier
The peak power and state of charge of lithium-ion batteries are closely related to the safety
of electric vehicles. Accurate peak power and state of charge prediction can extend battery …

A novel multi-constraint peak power prediction method combined with online model parameter identification and state-of-charge co-estimation of lithium-ion batteries

C Qi, S Wang, W Cao, H Shi, Y Xie�- Journal of the�…, 2022 - iopscience.iop.org
The accuracy of the peak power is influenced by the accurate battery model, the results of the
parameter identification, and the state of charge (SOC). First, to accurately predict the peak …

An improved adaptive spherical unscented Kalman filtering method for the accurate state‐of‐charge estimation of lithium‐ion batteries

C Qi, S Wang, W Cao, P Yu…�- International Journal of�…, 2022 - Wiley Online Library
The state of charge (SOC) of lithium‐ion batteries is the main parameter of the battery
management system. To improve the accuracy of lithium‐ion battery SOC estimation, this paper …

Multiple layer kernel extreme learning machine modeling and eugenics genetic sparrow search algorithm for the state of health estimation of lithium-ion batteries

Y Li, S Wang, L Chen, C Qi, C Fernandez�- Energy, 2023 - Elsevier
High precision state of health (SOH) estimation of lithium-ion batteries (LIBs) is a research
hotspot in battery management system (BMS). To achieve this goal, an improved integrated …

Improved electric-thermal-aging multi-physics domain coupling modeling and identification decoupling of complex kinetic processes based on timescale quantification�…

…, Q Huang, C Fernandez, J Liang, M Zhang, C Qi…�- Applied Energy, 2024 - Elsevier
Unraveling the kinetic behavior inside the battery is essential to break through the limitations
of mechanistic studies and to optimize the control of the integrated management system. …

A hybrid algorithm based on beluga whale optimization-forgetting factor recursive least square and improved particle filter for the state of charge estimation of lithium�…

X Shen, S Wang, C Yu, C Qi, Z Li, C Fernandez�- Ionics, 2023 - Springer
Battery state of charge (SOC) is crucial in power battery management systems for improving
the efficiency of battery use and its safety performance. In this paper, we propose a forgotten …

Improved Feature Decoupling Transfer Network Modeling based on Singular Value Decomposition for SOC Estimation in Energy-Storage Lithium-ion Batteries

…, C Yu, K Zhou, X Gong, G Yuan, C Qi�- Journal of The�…, 2023 - iopscience.iop.org
Deep learning (DL) methods is applied extensively in the field of state of charge (SOC)
estimation, which require training data and test data to have similar distribution. Discrepancies in …

An Improved Comprehensive Learning-Particle Swarm Optimization-Extended Kalman Filtering Method for the Online High-Precision State of Charge and Model�…

X Shen, S Wang, C Yu, C Qi, Z Li…�- Journal of The�…, 2023 - iopscience.iop.org
The precise assessment of the state of charge (SOC) of lithium-ion batteries (LIBs) is critical
in battery management systems. This work offers a comprehensive learning particle swarm …

An improved adaptive weights correction-particle swarm optimization-unscented particle filter method for high-precision online state of charge estimation of lithium-ion�…

Z Li, S Wang, C Yu, C Qi, X Shen, C Fernandez�- Ionics, 2024 - Springer
In the battery management system (BMS), the state of charge (SOC) of lithium-ion batteries
is an indispensable part, and the accuracy of SOC estimation has attracted wide attention. …