混合动力电动汽车传动系统匹配与优化

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摘要汽车发展的100年,是人类文明和经济发展迅猛的100年。如今,全世界汽车的保有量达到了6.7亿辆左右,汽车己与人们的日常生活和生产密不可分。然而,如此之多的燃油汽车排放所造成空气质量的日益恶化和石油资源的渐趋匾乏,使开发低排放、低油耗的新型汽车成为当今汽车工业界的紧迫任务,电动汽车(ElectricVehjcle简称EV)成为人们最主要的选择之一。使用电动汽车可实现无污染,并可利用煤炭、水利等其他非石油资源,但由于目前的技术和成本的限制,使其很难商品化,在这种条件下,同时具有电动汽车和内燃机汽车优点的混合动力电动汽车(HybridElectricVehicle简称HEV)异军突起,成为当前解决节能、环保等问题最具有现实意义的途径之一。近年来,虽然许多国家都投入大量资金人力研究电动汽车,但目前为止动力电池和其它一些关键性技术还没有取得有效地突破,动力电池的续驶里程和充电时间大大制约了电动汽车的发展和普及。因此,在电池问题解决之前,如何合理地选择这些部件及有关参数,使匹配达到最优,在相同蓄电池条件下,更好地满足动力性要求和最大地增加续驶里程,一直是研究者们追求的目标,也是本论文研究的主要目的。在本论文中,首先通过对混合动力系统工作原理的分析,选择了并联式结构作为混合动力汽车的驱动方式。并对所研究的混合动力汽车的总体方案进行了设计,据此对发动机、电机、传动系和电池的参数进行了匹配,初步确定了各部件的参数。动力系统的参数优化是提高混合动力汽车动力性、燃油经济性的关键。本文在MATLAB环境中,基于ADVISOR2002-Auto-Size对并联式混合动力汽车动力系统进行了参数优化,并与ADVISOR传统的仿真结果进行了比较,结果表明ADVISOR2002-Auto-Size应用于并联式混合动力汽车动力系统性能优化是合理的,并具有很强的实用性。该方法可以最大限度地模拟实际车辆在各种工况下的运行状态及整车的实际工程约束条件,在实验室条件下,实现并联式混合动力汽车动力系统的性能优化。关键词:并联式混合动力汽车,参数匹配,ADVISOR,动力系统优化AbstractThedevelopmentofautomobilesrepresentsforthedevelopmentofthehumancivilizationandeconomyforonehundredyear.Nowautomobileshavebeenclosely1inkedwithpeople’slife,anditsquantityhasbeenreachedabout67millions.However,somuchexhaustinducesdeteriorationoftheairqualityandtheresourceoftheoilgetpinchinereasingly.Itisanurgenttasktotheautomobileindustrytodevelopnewtypesofautomobilewithlowexhaustandlowoilwear.Naturally,ElectricVehicle(EV)becomeprimaryamongpeople’schoice.Recently,althoughtherearelotsofcountrieswhichhavelaunchedintolargefundandmanytalentstostudyelectricvehicle,dynamicbatteryandcertainkeytechniqueshavenotbroughtthrougheffectivelyuntilnow.Therangeandchargingtimeofbatterylimitedpopularizationanddevelopmentofelectricvehicle.ThereforehowtoselectthesepartsandrelationalParametersreasonablymakestheelectricvehiclemeettherequestofdynamicperformanceandrangewhichisthegoalpeoplestudied,thenwhichistheimportantcontentofthepapers.Inthepapers,Wefirstworkontheprincipleofhybridsystemsanalysis,selectionappliedtourbanvehicleparallelhybridsystemforthestudy.Andthestudyofhybridvehicledesigntheoverallprogram,accordingtotheengine,motor,drivesystemandsuper-capacitormatchingparameters,initiallysettheparametersofeachcomponent.Powersystemparameteroptimizationistoimprovethepowerofhybridvehicle,fueleconomythekey.ThisarticleintheMATLABenvironment,basedonADVISOR2002-Auto-Sizeparallelhybridvehiclepowertrainparameterswereoptimized,andwiththetraditionaloptimizationADVISORsimulationresultsarecompared,resultsshowedthatADVISOR2002-Auto-Sizeforparallelhybridvehiclepowertrainperformanceoptimizationisreasonable,andhasgoodpracticability.Themethodcansimulatethevehicletomaximizetheoperationalstatusofvariousoperatingconditionsandtheactualvehicleengineeringconstraints,underlaboratoryconditions,toachieveparallelhybridvehiclepowertrainperformanceoptimization.KEYWORDS:parallelhybridelectricvehicle,parametermatching,ADVISOR,powersystemoptimization第一章绪论.................................................................................................................................51.1课题的研究背景及意义....................................................................................................51.2国内外研究现状.................................................................................................................81.2.1国外HEV研究现状................................................................................................81.2.2国内HEV研究现状................................................................................................91.3HEV关键技术的研究.......................................................................................................91.3.1车身与结构设计.....................................................................................................91.3.2发动机技术概述...................................................................................................101.3.3电机及其控制技术...............................................................................................101.3.4储能元件...............................................................................................................101.3.5动力系统参数匹配...............................................................................................101.3.6多能源控制策略...................................................................................................101.3.7HEV的仿真技术..................................................................................................11第二章混合动力汽车驱动系统方案研究...................................................................................122.1混合动力汽车的驱动模式...............................................................................................122.1.1串联式混合动力汽车............................................................................................122.1.2并联式混合动力汽车............................................................................................142.1.3混联式混合动力汽车............................................................................................162.2动力系统选型...................................................................................................................182.2.1选型策略...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