Results 11 to 20 of about 417 (139)
Mathematics, 2021 In order to improve the estimation accuracy of the battery state of charge (SOC) based on the equivalent circuit model, a lithium-ion battery SOC estimation method based on adaptive forgetting factor least squares and unscented Kalman filtering is ...
Hao Wang, Yanping Zheng, Yang Yu
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Analysis of equivalent circuit models in lithium-ion batteries
AIP Advances, 2018 This study investigates lithium-ion (Li-ion) battery discharge at a constant current by comparing equivalent circuit simulation data with experimental data. The simulations employ Thévenin equivalent circuit models consisting of a resistance, capacitance,
Hyun Woo You +4 more
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Study on Thévenin Equivalent Circuit Modeling of Zinc-Nickel Single-Flow Battery
International Journal of Electrochemical Science, 2018 Based on the working principle of a zinc–nickel single-flow battery (ZNB), an improved Thévenin equivalent circuit model is proposed in this paper. According to the experimental data of a 100-A pulsed discharge of a ZNB, the parameters of the modified ...
Shouguang Yao +4 more
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Power Conservative Equivalent Circuit for DC Networks
IEEE Access, 2020 This paper introduces a new equivalent circuit for linear direct current networks containing independent voltage sources and resistors, which represents all internal losses and can be used for the power and efficiency analysis of the actual circuit.
Ivo Barbi
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Detailed quantitative comparison of half-bridge modular multilevel converter modelling methods
The Journal of Engineering, 2019 This paper presents a detailed comparison of different modelling methods of the half-bridge modular multilevel converter (HB-MMC), namely, switching function, Thevenin equivalent, and averaged, considering both MMC implementations (large and reduced ...
Deyang Guo +6 more
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A Self-Calibration SOC Estimation Method for Lithium-Ion Battery
IEEE Access, 2023 Accurate state of charge (SOC) estimation is essential for the battery management system (BMS). In engineering, inappropriate selection of equivalent circuit model (ECM) and model parameters is common for lithium-ion batteries.
Yueshuai Fu, Huimin Fu
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Energies, 2023 This paper studies the definition and calculation method of power grid strength in the environment of high-proportion nonsynchronous-machine sources, focusing on the effect of nonsynchronous-machine sources on voltage support strength and frequency ...
Zheng Xu +3 more
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Thévenin’s Battery Model Parameter Estimation Based on Simulink
Energies, 2022 Lithium-ion batteries (LIB) proved over time to be one of the best choices among rechargeable batteries. Their small size, high energy density, long life, and low maintenance need make them a prominent candidate for the role of the most widespread energy
Giulio Barletta +2 more
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IEEE Access, 2018 With the development of electric vehicles in recent years, lithium-ion batteries have been widely used. Accurate state of charge (SOC) estimation plays an important role in the safety of electric vehicles.
Xiaogang Wu, Xuefeng Li, Jiuyu Du
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Online Estimation of Li-ion Battery SOC for Electric Vehicles Based on An Improved AEKF [PDF]
E3S Web of Conferences, 2019 The purpose of this paper is to discuss how to eliminate the influence of noise time -varying characteristics on the accuracy of SOC estimation. Based on the matlab/simulink platform, the Thevenin equivalent circuit model of the battery is built, and an ...
Feng Kaihui +3 more
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