基于整车功能的电控单体泵柴油机控制策略研究

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1、上海交通大学硕士学位论文基于整车功能的电控单体泵柴油机控制策略研究姓名：韦雄申请学位级别：硕士专业：动力机械及工程指导教师：冒晓建20090201上海交通大学硕士学位论文摘要到85km/h连续换档的加速时间缩短了9秒。5、根据车速传感器信号的特点以及整车功能扩展的要求，分别就传感器信号盘周期的采样、故障分析判断、车速换算以及行驶里程累计着重进行了分析，设计了最高车速控制算法。该策略的采用使车速有效地限制在目标车速附近，提高了YC4D柴油车驾乘的安全性。6、以上控制策略通过基于MAtlab/Simulink的HIL仿真测试，并经过高温、高寒和高原地区整车试验被证明是有效和成功的。目前研

2、究成果已经得到推广和实际应用。关键词：柴油机，整车功能，电控单体泵系统，控制策略.第II页上海交通大学硕士学位论文ABSTRACTStudyandDevelopmentofControlStrategyforElectronicallyControlledUnitPumpDieselEngineBasedonCalibrationofVehicleABSTRACTInresentyear,dieselelectroniccontroltechnologybecametheinvestigationhotpotanddirectionoffuturedieselfortheproduc

3、er.Withthedeeplydevelopmentandexpansionofelectronicallycontrolleddieselengine,theaimofdevelopmentisnotlimittothedieselfuelinjectionsystem,butitisneededtofacetovehiclecontrolinordertomeettotheoptimumcontrolofvehicle.ThethesisresearchedonthecontrolstrategyforEUPdieselenginebasedonvehiclefunction.

4、Theresearchmainlyincludedthefollow:1、Basedontheinvestigationoftheoryandhistoryfortheforeignelectronicallycontrolleddieselengine,thecontrolfunction、designtarget、technologicalmeasureandthebasicinputandoutputmanagementfortheEUPdieselmanagementsystemhadbeenconfirmedaccordingtocharacteristicofYC4Del

5、ectronicallycontrolleddieselengineandthedemandofvehicleclient.2、Takingnavigationofvehiclesystemintoaccount,theidlecontrolledstrategyofEUPdieselenginebasedonvehiclefunctionhadbeenbroughtforward.,theworksdependonthecalculationofidletargetspeed,theclose-loopcontrolofidlefuel,themodulationofidlespe

6、edandidletimeout.ThestrategyimprovedthestabilityanddynamicrespondforYC4Ddieselvehicle.3、Againsttothehardshipofcoldstartfordieselengine,thepreheatcontrolledstrategyincoldstarthadbeenresearched.Theworksmainlydependonthecalculationofpreheatduration、thejudgingforthepreheat第III页上海交通大学硕士学位论文ABSTRACTe

7、nableandthecontrolforindicatedlight,Thestrategyimprovedtheperformanceofvehiclecoldstart,makingthecoldstartingtimearrivedat6.125secondforYC4Ddieselvehiclein-22℃environment.4、Accordingtotheair-conditionfunctionandrunningmodeforcomme