Results 91 to 100 of about 1,256,437 (255)

Enhancing Energy Storage Efficiency: Advances in Battery Management Systems in Electric Vehicles

open access: yesEnergy Technology, Volume 13, Issue 8, August 2025.
The rapid adoption of electric vehicles (EVs) underscores the urgent need for advanced battery management systems (BMS) to ensure safety, efficiency, and reliability. This article delves into the core functionalities of BMS, including state estimation, thermal management, and cell balancing, which are pivotal for optimizing battery performance ...
Hamid Naseem   +3 more
wiley   +1 more source

Evaluation of Lithium-Ion Battery Equivalent Circuit Models for State of Charge Estimation by an Experimental Approach

open access: yesEnergies, 2011
To improve the use of lithium-ion batteries in electric vehicle (EV) applications, evaluations and comparisons of different equivalent circuit models are presented in this paper.
Jinxin Fan, Hongwen He, Rui Xiong
doaj   +1 more source

SOC Battery Energy Storage Systems Management and Power Quality Enhancement in Mexican Microgrids Evaluated by Wind Resources: A Case Study

open access: yesEnergy Storage, Volume 7, Issue 5, August 2025.
ABSTRACT In this paper, a microgrid based on a battery energy storage system (BESS) and a wind energy conversion system (WECS) is presented; its potential is evaluated by wind fluctuations from San Fernando, Tamaulipas, Mexico, at coordinates 25.02° N and 98.09° W.
Robenson Jean   +5 more
wiley   +1 more source

Acoustic radiation stress measurement [PDF]

open access: yes, 1987
Ultrasonic radio frequency tone-bursts are launched into a sample of material tested. The amplitude of the tone-bursts and the slope of the resulting static displacement pulses are measured.
Cantrell, John H., Jr., Yost, William T.
core   +1 more source

Dynamic Electrochemical Impedance Spectroscopy: A Forward Application Approach for Lithium‐Ion Battery Status Assessment

open access: yesEcoMat, Volume 7, Issue 7, July 2025.
Focusing on the black‐box problem in the battery field, this review provides an introduction to dynamic electrochemical impedance spectroscopy (DEIS), an emerging nondestructive testing technique. It first systematically explains the fundamental principles of DEIS and its analytical methods. Then, it explores its applications across four key areas: (1)
Xinyi Zhang   +5 more
wiley   +1 more source

A High-Efficiency RF Harvester with Maximum Power Point Tracking

open access: yesProceedings, 2018
This paper presents the implementation of a high-efficiency radiofrequency (RF) harvester, which consists of a rectenna and a maximum power point tracker (MPPT).
Manel Gasulla   +5 more
doaj   +1 more source

Modelling of DFIG-based wind turbine for low-frequency oscillation analysis of power system with high penetration of distributed energy

open access: yesThe Journal of Engineering, 2019
This study investigates modelling of doubly-fed induction generator (DFIG)-based wind turbines for low-frequency oscillation analysis of power systems with high penetration of distributed energy.
Yunhui Huang   +5 more
doaj   +1 more source

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

open access: yesDiscover 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   +2 more
doaj   +1 more source

Performance Improvement in Passive Backscatter Based RFID System with Low DCR Modulations [PDF]

open access: yes, 2014
This paper presents application of the low Duty Cycle Ratio (DCR) modulations: isochronous Digital Pulse Position Modulation (DPPM) and anisochronous Digital Pulse Interval Modulation (DPIM) in backscatter based passive RFID communication system.
Svedek, T., Vinko, D., Zagar, D.
core   +1 more source

A rapid simulation method for full-bridge sub-module MMC based on bridge arm equivalent capacitance

open access: yesZhejiang dianli
MMC (modular multilevel converter) contains a large number of switching elements, which brings a huge computational burden to the electromagnetic transient simulation.
LU Yi   +6 more
doaj   +1 more source

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