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当前位置:首页 > 机械/制造/汽车 > 汽车理论 > 混合动力车辆制动能量回收系统性能研究及试验台设计
工学硕士学位论文混合动力车辆制动能量回收系统性能研究及试验台设计THERESEARCHOFREGENERATIVEBRAKINGSYSTEMANDTEST-BEDDESIGNFORHYBRIDELECTRICVEHICLE程志刚哈尔滨工业大学2007年7月国内图书分类号:U463.5国际图书分类号:629工学硕士学位论文混合动力车辆制动能量回收系统性能研究及试验台设计硕士研究生:程志刚导师:张京明副教授申请学位:工学硕士学科、专业:车辆工程所在单位:汽车工程学院答辩日期:2007年7月授予学位单位:哈尔滨工业大学ClassifiedIndex:U463.5U.D.C:629DissertationfortheMasterDegreeinEngineeringTHERESEARCHOFREGENERATIVEBRAKINGSYSTEMANDTEST-BEDDESIGNFORHYBRIDELECTRICVEHICLECandidate:ChengZhigangSupervisor:AssociateProf.ZhangJingmingAcademicDegreeAppliedfor:MasterofEngineeringSpecialty:AutomotiveEngineeringDateofDefence:July,2007Degree-Conferring-Institution:HarbinInstituteofTechnology哈尔滨工业大学工学硕士学位论文摘要混合动力汽车(HEV)是传统内燃机汽车到电动汽车的过渡产品,它不仅具有传统内燃机汽车优良的动力性和较长的续驶里程,还具有纯电动汽车高效率、低排放的性能,因此混合动力汽车得到了各个汽车生产厂家和科研单位的青睐。制动能量回收系统是混动力汽车的重要组成部分,它对汽车的燃油经济性、排放性和行驶安全性有着直接的影响。它能在汽车减速和制动过程中,在保证汽车的制动性能的前提下实现制动能量的回收。装有制动能量回收系统的混合动力汽车,在制动时由机械制动和再生(电机)制动两个子系统共同完成对整车的制动,因此一个比较好的控制策略来协调两个系统的工作显得尤为重要。本文中通过比较定比例控制策略和线控制动策略,依照策略实施的可行性和性价比,选择了比例控制策略作为系统的控制策略。文章在充分研究了并联混合动力汽车传动系统的基础上,基于Matlab/Simulink以及ADVISOR软件以夏利N3三厢1.3为基础建立了汽车动力传动系统的模型。在加入定比例控制策略之后,对汽车在典型制动工况和城市循环工况下仿真。分别得到了汽车在不同的制动初速度和制动强度下的制动性能和能量回收率,仿真结果满足汽车对制动安全性能要求。在分析仿真结果后得到制动强度和制动时车速以及循环工况对能量回收系统性能的影响,结果表明在低制动强度下回收的能量多,在频繁加减速的城市工况下回收的能量比较多。在仿真的基础之上,基于dSPACE软件设计和布置了混合动力汽车制动能量回收系统硬件在环仿真试验台的结构;对试验的硬件系统组成和传感器进行分析和选择;选定仿真的工况和评价仿真的指标,对影响仿真结果的因素进行了分析。本文所研究的内容对以后制动能量回收系统的硬件设计具有重要的意义,为以后夏利汽车的混合动力改造奠定了基础。关键词混合动力;制动能量回收;dSPACE;仿真--I哈尔滨工业大学工学硕士学位论文AbstractHybridelectricvehicle(HEV)asthetransitionproductoftraditionalvehicletoelectricvehicle,whichnotonlycombinestheexcellentpoweranddistanceperformanceofconventionalvehiclebutalsowithlowmissionandhighefficiencyofElectricvehicle,sohybridelectricvehicleisfavoredbymanyvehiclemanufacturesandresearchinstitutionsinrecentyears.Regenerativebraking(energyrecoverybraking)isoneofkeytechniquesforHEV,whichhasadirectimpactonfueleconomy,emissionandvehiclesecurity.WhenHEVisbraking,regenerativebrakingsystemwillmakesurethebrakingsecurityandrecoversthekineticenergy.Regenerativebrakingandmechanicalbrakingworktogetherproduceforceduringhybridelectricvehiclethatequippedwiththeregenerativebrakingsystembraking.Soneedagoodcontrolstrategytocoordinatethetwosystems.InthethesisweproposetwokindsofstrategiesforthebrakingforcedistributionandcontrolofHEV,parallelbrakecontrolstrategyandBrake-by-wirecontrolstrategy.Aftercomparedthetwocontrolstrategywechooseparallelbrakecontrolstrategyasourstrategy,becauseit’seasycometrueinthevehicleandhavebetterreclaimrateofenergy.Afterdeeplyresearchedthepowertrainofparallelhybridelectricvehicle,weuseMatlab/SimulinkandADVISORtobuildthepowertrainmodelbasedonXialiN31.3L,andaddourparallelbrakecontrolstrategytocontrolthebrakingforcedistribute.Thenwesimulatethepowertrainmodel,thesimulationresultisaccordwiththebrakingperformance,wealsohadthebrakingperformanceandenergyreclaimrateunderthelowspeedlowbrakingforceandhighspeedhighbrakingforce.Speedandbrakingforcealsoaffecttheenergyreclaimrateunderurbancondition.Lowspeedlowbrakingforcereclaimedmoreenergyhighspeedhighbrakingforcereclaimedless,frequentlydecelerateandbrakingwillreclaimmoreenergy.WebuilttheRegenerativebrakingsystemHardware-In-the-LoopSimulationtest-bedbasedondSPACE,designthehardwaresystemanddemarcatethesensor,choosesimulationenvironmentandconfirmsimulation--II哈尔滨工业大学工学硕士学位论文targets,atlastanalyzetheimpactionofthesimulationresult.TheresearchresultisusefulfordesigningregenerativebrakingsystemhardwareandalsofordesigningXialihybridelectricvehicle.Keywordshybridelectricvehicle,regenerativebraking,dSPACE,simulation--III哈尔滨工业大学工学硕士学位论文目录摘要····················································································································IAbstract··············································································································II第1章绪论·····································································································11.1课题研究的目的和意义·········································································11.2制动能量回收系统发展概况·································································21.2.1系统概况·························································································21.2.2国外研究现状·················································································41.2.3国内研究现状·················································································61.3本文的主要研究工作·············································································7第2章混合动力汽车制动能量回收系统理论分析·······································82.1制动能量回收系统的结构和组成·························································82.2汽车制动过程动力学分析·····································································92.2.1汽车行驶动力学分析······································································92.2.2汽车制动过程动力学分析····························································112.3制动力分配控制策略···········································································122.3.1传统汽车制动力分配控制策略·····················································122.3.2混合动力汽车制动力分配控制策略············
本文标题:混合动力车辆制动能量回收系统性能研究及试验台设计
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