B a t t e r y M a n a g e m e n t S y s t e m s o f E le c t r ic a n d H y b Battery r id E le c t r ic Management V e h ic le s • Systems of Electric N ic o la e T and Hybrid u d o r o iu Electric Vehicles Edited by Nicolae Tudoroiu Printed Edition of the Special Issue Published in Batteries www.mdpi.com/journal/batteries Battery Management Systems of Electric and Hybrid Electric Vehicles Battery Management Systems of Electric and Hybrid Electric Vehicles Editor NicolaeTudoroiu MDPI•Basel•Beijing•Wuhan•Barcelona•Belgrade•Manchester•Tokyo•Cluj•Tianjin Editor NicolaeTudoroiu JohnAbbottCollege Canada EditorialOffice MDPI St.Alban-Anlage66 4052Basel,Switzerland This is a reprint of articles from the Special Issue published online in the open access journal Batteries(ISSN2313-0105)(availableat: https://www.mdpi.com/journal/batteries/specialissues/ BatteryManagementSystemsElectricHybridElectricVehicles). 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Contents AbouttheEditor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii Roxana-Elena Tudoroiu, Mohammed Zaheeruddin, Nicolae Tudoroiu and Sorin-Mihai Radu SOC Estimation of a Rechargeable Li-Ion Battery Used in Fuel-Cell Hybrid Electric Vehicles— Comparative Study of Accuracy and Robustness Performance Based on Statistical Criteria. Part I: Equivalent Models Reprintedfrom:Batteries2020,6,42,doi:10.3390/batteries6030042 . . . . . . . . . . . . . . . . . . 1 Roxana-Elena Tudoroiu, Mohammed Zaheeruddin, Nicolae Tudoroiu and Sorin-Mihai Radu SOC Estimation of a Rechargeable Li-Ion Battery Used in Fuel Cell Hybrid Electric Vehicles—Comparative Study of Accuracy and Robustness Performance Based on Statistical Criteria. Part II: SOC Estimators Reprintedfrom:Batteries2020,6,41,doi:10.3390/batteries6030041 . . . . . . . . . . . . . . . . . . 39 FabioCignini,AntoninoGenovese,FernandoOrtenzi,AdrianoAlessandrini,LorenzoBerzi, LucaPugiandRiccardoBarbieri Experimental Data Comparison of an Electric Minibus Equipped with Different Energy StorageSystems Reprintedfrom:Batteries2020,6,26,doi:10.3390/batteries6020026 . . . . . . . . . . . . . . . . . . 75 AlexanderFill,TobiasMader,TobiasSchmidt,RaphaelLlorenteandKaiPeterBirke MeasuringTestBenchwithAdjustableThermalConnectionofCellstoTheirNeighborsanda NewModelApproachforParallel-ConnectedCells Reprintedfrom:Batteries2020,6,2,doi:10.3390/batteries6010002 . . . . . . . . . . . . . . . . . . 91 JanMeyer,AntonioNedjalkov,ElkePichler,ChristianKelbandWolfgangSchade Development of a Polymeric Arrayed Waveguide Grating Interrogator for Fast and Precise Lithium-IonBatteryStatusMonitoring Reprintedfrom:Batteries2019,5,66,doi:10.3390/batteries5040066 . . . . . . . . . . . . . . . . . . 107 Manh-KienTranandMichaelFowler SensorFaultDetectionandIsolationforDegradingLithium-IonBatteriesinElectricVehicles UsingParameterEstimationwithRecursiveLeastSquares Reprintedfrom:Batteries2020,6,1,doi:10.3390/batteries6010001 . . . . . . . . . . . . . . . . . . 121 v About the Editor NicolaeTudoroiuIn1976hereceivedhisB.Eng.degreeinElectricalandComputerEngineering from the University of Craiova, Romania, and in 1981 received his B.Sc. in Mathematics from the West University of Timisoara, Romania. In 1990 obtained his Ph.D. degree in Automation in Romaniaandin,2001,healsoreceivedaPh.D.degreeinElectricalandComputerEngineering,from ConcordiaUniversity,Montreal,Canada. Duringtheperiod1979–1994,hejoinedthedepartments ofAutomationandControloftheUniversityofCraiova,Romania(1979–1990),andWestUniversity “Politehnica”Timisoara,Romania(1991–1994),asanassistantandassociateprofessor,respectively. Intheperiod2001–presenthejoinedastenureprofessortheEngineeringTechnologiesdepartmentof JohnAbbottCollege,Sainte-Anne-de-Bellevue,Canada. Hepresentlyservesontheeditorialboard asGuesteditoroftheInternationalJournal‘AdvanceinScience,TechnologyandEngineeringSystems’ (ASTESJ).Hisinterestinacademicresearchincludessystemmodellingandidentification, process control, stateandparameterestimationtechniques, faultdetectionandisolation, neuralnetworks, adaptiveandoptimalcontrolsystems. vii batteries Article SOC Estimation of a Rechargeable Li-Ion Battery Used in Fuel-Cell Hybrid Electric Vehicles—Comparative Study of Accuracy and Robustness Performance Based on Statistical Criteria. Part I: Equivalent Models Roxana-ElenaTudoroiu1,MohammedZaheeruddin2,NicolaeTudoroiu3,*and Sorin-MihaiRadu4 1 DepartmentofMathematicsandInformatics,UniversityofPetrosani,332006Petrosani,Romania; [email protected] 2 DepartmentofBuilding,CivilandEnvironmentalEngineering,UniversityConcordiafromMontreal, Montreal,QCH3G1M8,Canada;[email protected] 3 DepartmentofEngineeringTechnologies,JohnAbbottCollege, Saint-Anne-de-Bellevue,QCH9X3L9,Canada 4 DepartmentofElectricalandPowerEngineering,UniversityofPetrosani,332006Petrosani,Romania; [email protected] * Correspondence:[email protected]@johnabbott.qc.ca;Tel.:+1-514-966-5637 Received:15July2020;Accepted:13August2020;Published:14August2020 Abstract:Batterystateofcharge(SOC)accuracyplaysavitalroleinahybridelectricvehicle(HEV), asitensuresbatterysafetyinaharshoperatingenvironment,prolongslife,lowersthecostofenergy consumption,andimprovesdrivingmileage.Therefore,accurateSOCbatteryestimationisthecentral ideaoftheapproachinthisresearch,whichisofgreatinteresttoreadersandincreasesthevalueofits application.Moreover,anaccurateSOCbatteryestimatereliesontheaccuracyofthebatterymodel parametersanditscapacity. Thus,thepurposeofthispaperistodesign,implementandanalyze theSOCestimationaccuracyoftwobatterymodels,whichcapturethedynamicsofarechargeable SAFTLi-ionbattery.Thefirstisaresistorcapacitor(RC)equivalentcircuitmodel,andthesecond isagenericSimscapemodel. Themodelvalidationisbasedonthegenerationandevaluationof theSOCresidualerror. TheSOCreferencevaluerequiredforthecalculationofresidualerrorsis thevalueestimatedbyanADVISOR3.2simulator,oneofthesoftwaretoolsmostusedinautomotive applications.BothbatterymodelsareofrealinterestasavaluablesupportforSOCbatteryestimation byusingthreemodelbasedKalmanstateestimatorsdevelopedinPart2. MATLABsimulations resultsprovetheeffectivenessofbothmodelsandrevealanexcellentaccuracy. Keywords: SAFTlithium-ionbattery;Simscapemodel;3RCECMLi-ionbatterymodel;stateof charge;ADVISORestimate 1.Introduction 1.1.LiteratureReview Nowadaysthenewtechnologiesappliedinbatteriesmanufacturingindustry“oftendemand morecompact,highercapacity,safeandrechargeablebatteries”[1]. Thebatteriesvarybydifferent chemistriesand“generatethebasiccellvoltagestypicallyinthe1.0to3.6Vrange”[1].Therequired voltagesandthecurrentsofabatterypackareobtainedbyaddingupthenumberofthecellsinaseries connectiontoincreasethevoltageandparallelconnectiontoenhancethecurrent.Itisimportantto Batteries2020,6,42;doi:10.3390/batteries6030042 1 www.mdpi.com/journal/batteries