Results 31 to 40 of about 127,688,493 (212)

A Fuzzy State-of-Charge Estimation Algorithm Combining Ampere-Hour and an Extended Kalman Filter for Li-Ion Batteries Based on Multi-Model Global Identification

open access: yesApplied Sciences, 2018
The popular and widely reported lithium-ion battery model is the equivalent circuit model (ECM). The suitable ECM structure and matched model parameters are equally important for the state-of-charge (SOC) estimation algorithm.
Xin Lai   +3 more
doaj   +1 more source

State-of-charge estimation for Lithium-Ion batteries using Kalman filters based on fractional-order models

open access: yesConnection Science, 2022
The accuracy of state of charge estimation results will directly affect the performance of battery management system. Due to such, we focus in this article on the SOC estimation of Lithium-Ion batteries based on a fractional second-order RC model with ...
Likun Xing   +3 more
doaj   +1 more source

An evaluation method of Li-ion batteries state of charge based on IRVM and verified by simulation

open access: yesDianzi Jishu Yingyong, 2018
Aiming at the problems of low multi-step prediction accuracy and poor online prediction adaptability for the algorithm of relevance vector machine,an improved incremental relevance vector machine model is proposed to predict the state-of-charge of Li-ion
Wang Chao   +4 more
doaj   +1 more source

Parameter Identification and State-of-Charge Estimation for Lithium-Ion Batteries Using Separated Time Scales and Extended Kalman Filter

open access: yesEnergies, 2021
With the development of new energy vehicle technology, battery management systems used to monitor the state of the battery have been widely researched. The accuracy of the battery status assessment to a great extent depends on the accuracy of the battery
Kuo Yang, Yugui Tang, Zhen Zhang
doaj   +1 more source

State Estimation Approach of Lithium-Ion Batteries by Simplified Ultrasonic Time-of-Flight Measurement

open access: yesIEEE Access, 2019
This work presents an approach to monitoring the State-Of-Charge of Lithium-Ion battery cells via piezo disc-based ultrasonic Time-Of-Flight measurement by measuring the traveling time of a mechanical pulse through the cell between two surface-mounted ...
Hartmut Popp   +5 more
doaj   +1 more source

A State of Charge Estimation Method of Lithium-Ion Battery Based on Fused Open Circuit Voltage Curve

open access: yesApplied Sciences, 2020
The open circuit voltage (OCV) and model parameters are critical reference variables for a lithium-ion battery management system estimating the state of charge (SOC) accurately.
Yipeng Wang   +4 more
doaj   +1 more source

Vehicle lead-acid battery state-of-charge meter

open access: yes, 2011
We describe a state-of-charge, or “residual-capacity” meter for lead-acid batteries that intelligently synthesizes coulometric and terminal-voltage methods in a new algorithm to provide reliable, continuous readout of remaining capacity. Novel electronic
Jonathan Scott   +7 more
core   +1 more source

Droop control method in power converter system for balancing state-of-charge of energy storage units in EV

open access: yesThe Journal of Engineering, 2019
A proficient power management between proposed multiple battery units in an EV is entailed to achieve the prolonged lifespan of batteries and to impede these from overcharging and overburdening during operation.
Priyanka Jangir   +3 more
doaj   +1 more source

Optimal State-of-Charge Value for Charge-Sustaining Mode of Plug-In Hybrid Electric Vehicles

open access: yesIEEE Access, 2020
For plug-in hybrid electric vehicles or extended range electric vehicles, battery stored energy often cannot fully meet the travel needs, and the battery needs to stay in a charge-sustaining mode to allow for backup sources such as gasoline or diesel to ...
Shenrun Zhang, Jiangfeng Zhang
doaj   +1 more source

Hybrid VARMA and LSTM Method for Lithium-ion Battery State-of-Charge and Output Voltage Forecasting in Electric Motorcycle Applications

open access: yesIEEE Access, 2019
Electric vehicles (EVs) have gained attention owing to their effectiveness in reducing oil demands and gas emissions. Of the electric components of an EV, a battery is considered as the major bottleneck.
Angela C. Caliwag, Wansu Lim
doaj   +1 more source

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