针对液压混合动力技术及其研究现状分析

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1、机床与液压Dee．2013HydromechatronicsEngineeringV0l_41No．24DOI：10．3969／j．issn．1001-3881．2013．24．004HydraulicHybridTechnologyandItsResearchProgressLUONianning，ZHNAGJian，JIANGJihai，ZHANGQingrunJ．SchoolofAutomotiveEngineering，HarbinInstituteofTechnology，Weihai264209

2、，China；2．SchoolofMechatronicsEngineering，HarbinInstituteofTechnology，Harbin150001，ChinaAbstract：Hydraulichybridtechnologyanditstechnicalcharacteristicsarebrieflyintroducedinthispaper．Itsresearchprogressaswelastheexistingproblemsandshortagesarediscussed．The

3、keytechnologiesthatconstrainthecommercializationofthetechnologyarepointedoutinthispa。per．Keywords：hydraulichybrid，secondaryregulation，hydrostatictransmission1．Introduction2．TheadvantagesofhydraulichybridtechnologyContinuousdeteriorationoftheenergyandenvi—r

4、onmentproblemovertheworldhasbecomeacriticalHydraulichybridtechnologyintegratessecondaryfactorthatrestrictsthesustainabledevelopmentoftheregulationhydrostatictransmissiontechnology，hy—society．Beforefindingasafe，stable，andcheapnewdraulicenergystoragetechnolo

5、gyandtraditionalauto—energy，hybridtechnologythatreducesenergycon—mobiletechnology．Hydraulichybridtechnologytakessumptionandemissionsisthemostrealisticchoiceadvantagesofthehighpowerdensityofhydrostaticbasedonthecurrentleveloftechnology．transmissionandfastch

6、arge-dischargeperformanceofHydraulichybridtechnologyisasignificanthydraulicaccumulatorthatcanrecoverthebrakingbranchofhybridtechnology．Hydraulichybridtech-energyofvehicleeficiently，andcoordinatetheinter—nologycombinesmainpowerunit(internaleombus—nalconsump

7、tionengineandhydraulicassistantunittionengine，MPUforshort)withhighenergydensitytoseparatelyorsimultaneouslydrivethevehicleinandhydraulicassistantpowerunit(APUforshort)subsequentdrivingunderthecontrolofcomputer．withhighpowerdensity，whichcanachievebrakingThi

8、sisessentiallytheprocessofmakinguseofhy—energyregenerationandimprovingoutputcharacteris-draulicaccumulatorandhydraulicpump／motortore—ticsoftheengine．Hydraulichybridtechnology’sad—alizebrakingenergyconversiona