Results 61 to 70 of about 417 (139)

Online Parameter Identification and State of Charge Estimation of Lithium-Ion Batteries Based on Forgetting Factor Recursive Least Squares and Nonlinear Kalman Filter

Energies, 2017
State of charge (SOC) estimation is the core of any battery management system. Most closed-loop SOC estimation algorithms are based on the equivalent circuit model with fixed parameters. However, the parameters of the equivalent circuit model will change
Bizhong Xia, Zizhou Lao, Ruifeng Zhang, Yong Tian, Guanghao Chen, Zhen Sun, Wei Wang, Wei Sun, Yongzhi Lai, Mingwang Wang, Huawen Wang   +10 more
doaj   +1 more source

Experimental demonstration of an atomtronic battery

New Journal of Physics, 2017
Operation of an atomtronic battery is demonstrated where a finite-temperature Bose–Einstein condensate stored in one half of a double-well potential is coupled to an initially empty load well that is impedance matched by a resonant terminator beam.
Seth C Caliga, Cameron J E Straatsma, Dana Z Anderson   +2 more
doaj   +1 more source

A Comparative Study Based on the Least Square Parameter Identification Method for State of Charge Estimation of a LiFePO4 Battery Pack Using Three Model-Based Algorithms for Electric Vehicles

Energies, 2016
Battery energy storage management for electric vehicles (EV) and hybrid EV is the most critical and enabling technology since the dawn of electric vehicle commercialization.
Taimoor Zahid, Weimin Li
doaj   +1 more source

Coupling Short-Circuit Ratio Calculation Method Based on the Source Network Load Correlation Thevenin Equivalent

Energies
The short-circuit ratio is a key index used to measure the voltage support capability of new energy grid-connected systems, which contradicts its accuracy and practicability.
Li Sun, Lingwei Kong
doaj   +1 more source

Linearization of Photovoltaic Cell Single Diode Equivalent Circuit Model Using Piecewise Linear Parallel Branches Model and Findin Fill Factor

Düzce Üniversitesi Bilim ve Teknoloji Dergisi
In this article, the linearization and analysis of the Photovoltaic (PV) cell single diode equivalent circuit model have been performed. The diode element in the PV cell equivalent circuit model is a nonlinear component.
Suleyman Adak
doaj   +1 more source

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   +1 more source

Electrical Characterization and Modeling of a Gelatin/Graphene System

Advances in Condensed Matter Physics, 2015
A gelatin/graphene composite has been analyzed by means of current density-voltage and the electrical impedance measurements. The DC electrical behavior has been interpreted in terms of an equivalent Thévenin model taking into account the open circuit ...
Giovanni Landi, Andrea Sorrentino, Salvatore Iannace, Heinrich C. Neitzert   +3 more
doaj   +1 more source

Active short-circuit capacity identification method for LCC-HVDC system considering the integration of renewable energy

Frontiers in Electronics
For LCC-HVDC system with renewable energy integration, the randomness and variability of renewable energy will cause wide variations in the short-circuit capacity provided by the AC system. To effectively assess the supporting capability of the AC system,
Maolan Peng, Xiaopeng He, Jiachen Xiao, Lei Feng, Fangqun Liao, Wen Jiang   +5 more
doaj   +1 more source

Assessment of Parameter Estimation Methods for Nonintrusive Loss Estimation of Induction Motors

IET Electric Power Applications
The equivalent circuit method is an accurate and versatile tool to estimate the losses and efficiency of induction motors during energy audits. However, determining the circuit parameters of in‐service motors usually involves disrupting their operation ...
Carlos A. C. Wengerkievicz, Nelson J. Batistela, Nelson Sadowski, Cristhian Becker, Humberto Verdejo   +4 more
doaj   +1 more source

Simulation and optimization of rectenna systems. [PDF]

Sci Rep, 2023
Olaimat MM, Nayyeri V, Ramahi OM.
europepmc   +1 more source