Results 1 to 10 of about 10,001 (195)

A Compact Thévenin Model for a Rectenna and Its Application to an RF Harvester with MPPT [PDF]

Sensors, 2019
This paper proposes a compact Thévenin model for a rectenna. This model is then applied to design a high-efficiency radio frequency harvester with a maximum power point tracker (MPPT). The rectenna under study consists of an L-matching network and a
Manel Gasulla, Edgar Ripoll-Vercellone, Ferran Reverter   +2 more
doaj   +2 more sources

Real time SOC estimation for Li-ion batteries in Electric vehicles using UKBF with online parameter identification [PDF]

Scientific Reports
In the recent era, Lithium ion batteries plays a significant role in EV industry due to their high specific energy density, power density, low self-discharge rate, and prolonged lifespan.
Selvarani Nachimuthu, Faisal Alsaif, Gunapriya Devarajan, Indragandhi Vairavasundaram   +3 more
doaj   +2 more sources

Optimizing state of charge estimation using thevenin models and extended Kalman filter

Discover Electronics
Precise battery modeling plays a critical role in enhancing State of Charge (SoC) estimation and optimizing Battery Management Systems (BMS) for electric vehicles and energy storage systems.
Hamza Benhammou, Kamal Anoune, Abdelali Tajmouati   +2 more
doaj   +2 more sources

Performance Analysis of a Single-Diode Photovoltaic Model Based on a Thevenin’s Equivalent Circuit

Journal of Engineering and Sustainable Development
This article proposes a linear Thevenin's equivalent circuit for a single-diode model. The Thevenin's equivalent circuit is derived based on the piecewise linearization for the nonlinear characteristic of the diode.
Ammar AL-GIZI, Abbas Hussien Miry, Hussein M. Hathal, Aurelian Craciunescu   +3 more
doaj   +2 more sources

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

International Journal of Electrochemical Science, 2020
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.
Xiong Xin, Shun-Li Wang, Chun-Mei Yu, Jiang Cong, James Coffie-Ken   +4 more
doaj   +1 more source

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
doaj   +1 more source

An Accurate Time Constant Parameter Determination Method for the Varying Condition Equivalent Circuit Model of Lithium Batteries

Energies, 2020
An accurate estimation of the state of charge for lithium battery depends on an accurate identification of the battery model parameters. In order to identify the polarization resistance and polarization capacitance in a Thevenin equivalent circuit model ...
Liang Zhang, Shunli Wang, Daniel-Ioan Stroe, Chuanyun Zou, Carlos Fernandez, Chunmei Yu   +5 more
doaj   +1 more source

A novel hybrid equivalent circuit model for lithium-ion battery considering nonlinear capacity effects

Energy Reports, 2021
In this paper, a novel hybrid equivalent circuit model for lithium-ion battery. The proposed equivalent circuit model of lithium-ion battery is based on Thevenin equivalent circuit model, and a state-of-charge (SOC) part is added into the model to ...
Dongdong Chen, Long Xiao, Wenduan Yan, Yinbiao Guo   +3 more
doaj   +1 more source

Assessing the Limits of Equivalent Circuit Models and Kalman Filters for Estimating the State of Charge: Case of Agricultural Robots

Energies, 2023
The battery State of Charge (SoC) is critical information to overcome agricultural robots’ limitations related to battery and energy management. Although several SoC estimation methods have been proposed in the literature, the performance of these ...
German Monsalve, Alben Cardenas, Diego Acevedo-Bueno, Wilmar Martinez   +3 more
doaj   +1 more source

State of Charge (SOC) Estimation of Lithium-ion Battery Based on Adaptive Square Root Unscented Kalman Filter

International Journal of Electrochemical Science, 2020
The improved battery management system (BMS) can give full play to the best performance of power battery, and the state of charge (SOC) estimation of power lithium-ion battery is the core and key technology of BMS. The Kalman filter method with the first-
Wang Kai, Feng Xiao, Pang Jinbo, Ren Jun, Duan Chongxiong, Li Liwei   +5 more
doaj   +1 more source