A Review on Different State of Battery Charge Estimation Techniques and Management Systems for EV Applications

Electric vehicles (EVs) have acquired significant popularity in recent decades due to their performance and efficiency. EVs are already largely acknowledged as the most promising solutions to global environmental challenges and CO<sub>2</sub> emissions. Li-ion batteries are most frequent...

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Main Authors: Girijaprasanna T, Dhanamjayulu C
Format: Article
Language:English
Published: MDPI AG 2022-06-01
Series:Electronics
Subjects:
Online Access:https://www.mdpi.com/2079-9292/11/11/1795
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author Girijaprasanna T
Dhanamjayulu C
author_facet Girijaprasanna T
Dhanamjayulu C
author_sort Girijaprasanna T
collection DOAJ
description Electric vehicles (EVs) have acquired significant popularity in recent decades due to their performance and efficiency. EVs are already largely acknowledged as the most promising solutions to global environmental challenges and CO<sub>2</sub> emissions. Li-ion batteries are most frequently employed in EVs due to their various benefits. An effective Battery Management System (BMS) is essential to improve the battery performance, including charging–discharging control, precise monitoring, heat management, battery safety, and protection, and also an accurate estimation of the State of Charge (SOC). The SOC is required to provide the driver with a precise indication of the remaining range. At present, different types of estimation algorithms are available, but they still have several challenges due to their performance degradation, complex electrochemical reactions, and inaccuracy. The estimating techniques, average error, advantages, and disadvantages were examined methodically and independently for this paper. The article presents advanced SOC estimating techniques, such as LSTM, GRU, and CNN-LSMT, and hybrid techniques to estimate the average error of the SOC. A detailed comparison is presented with merits and demerits, which helped the researchers in the implementation of EV applications. This research also identified several factors, challenges, and potential recommendations for an enhanced BMS and efficient estimating approaches for future sustainable EV applications.
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spelling doaj.art-c69c4d35745543f2a00d95cc0cda6a012023-11-23T13:56:03ZengMDPI AGElectronics2079-92922022-06-011111179510.3390/electronics11111795A Review on Different State of Battery Charge Estimation Techniques and Management Systems for EV ApplicationsGirijaprasanna T0Dhanamjayulu C1School of Electrical Engineering, Vellore Institute of Technology, Vellore 632014, IndiaSchool of Electrical Engineering, Vellore Institute of Technology, Vellore 632014, IndiaElectric vehicles (EVs) have acquired significant popularity in recent decades due to their performance and efficiency. EVs are already largely acknowledged as the most promising solutions to global environmental challenges and CO<sub>2</sub> emissions. Li-ion batteries are most frequently employed in EVs due to their various benefits. An effective Battery Management System (BMS) is essential to improve the battery performance, including charging–discharging control, precise monitoring, heat management, battery safety, and protection, and also an accurate estimation of the State of Charge (SOC). The SOC is required to provide the driver with a precise indication of the remaining range. At present, different types of estimation algorithms are available, but they still have several challenges due to their performance degradation, complex electrochemical reactions, and inaccuracy. The estimating techniques, average error, advantages, and disadvantages were examined methodically and independently for this paper. The article presents advanced SOC estimating techniques, such as LSTM, GRU, and CNN-LSMT, and hybrid techniques to estimate the average error of the SOC. A detailed comparison is presented with merits and demerits, which helped the researchers in the implementation of EV applications. This research also identified several factors, challenges, and potential recommendations for an enhanced BMS and efficient estimating approaches for future sustainable EV applications.https://www.mdpi.com/2079-9292/11/11/1795electric vehiclesbattery management systemLi-ion batteriesalgorithmsSOC estimation of batteryaccuracy
spellingShingle Girijaprasanna T
Dhanamjayulu C
A Review on Different State of Battery Charge Estimation Techniques and Management Systems for EV Applications
Electronics
electric vehicles
battery management system
Li-ion batteries
algorithms
SOC estimation of battery
accuracy
title A Review on Different State of Battery Charge Estimation Techniques and Management Systems for EV Applications
title_full A Review on Different State of Battery Charge Estimation Techniques and Management Systems for EV Applications
title_fullStr A Review on Different State of Battery Charge Estimation Techniques and Management Systems for EV Applications
title_full_unstemmed A Review on Different State of Battery Charge Estimation Techniques and Management Systems for EV Applications
title_short A Review on Different State of Battery Charge Estimation Techniques and Management Systems for EV Applications
title_sort review on different state of battery charge estimation techniques and management systems for ev applications
topic electric vehicles
battery management system
Li-ion batteries
algorithms
SOC estimation of battery
accuracy
url https://www.mdpi.com/2079-9292/11/11/1795
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