Zeroshift 技术原理详细介绍.pdf

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1、Howwillithelpyouwin?RichardThompsonSeniorDesignEngineer(Motorsport)PRESENTATIONOVERVIEW•Concept•Considerationsforaninstantgearshift•Development•Managinga‘Zeroshift’•Datacollectionandanalysis•BenefitsCONCEPTSynchromeshengagementtransmissionClutchGear1-2S

2、ynchronisationtimeGear1Gear2euqrClutchre-engagementtimeo/tl.eccaleicheVtime0TorquereversalduetoclutchopeningCONCEPTDogengagementtransmissionClutch/CutDogringshifttimeGear1Gear2euqroDogengagementinertiatorquespike/tl.eccaleicheVtime0Dogengagementbreakint

3、orquethroughneutralpositionCONCEPTSynchromesh/DogenvelopeCONCEPTBulletRingGearHubGearBulletRingPLAYANIMATIONPRESENTATIONOVERVIEW•Concept•Considerationsforaninstantgearshift•Development•Managinga‘Zeroshift’•Datacollectionandanalysis•BenefitsCONSIDERATION

4、SFORANINSTANTGEARSHIFT•ShifteventUnmanagedZeroshifteuqrPost-conditioned(managed)shifto/tl.eccaleicheVGear1Gear20timeshift•Engineinertiatorque•DriveabilityandshiftqualityPRESENTATIONOVERVIEW•Concept•Considerationsforaninstantgearshift•Development•Managin

5、ga‘Zeroshift’•Datacollectionandanalysis•BenefitsDEVELOPMENTDevelopmentcarFordMustangV64.0LConfigurationV6Output210bhp@5300rpm.7355=154kWTorque240lb.ft@3500rpmx1.356=325NmKerbweight1500kgHP/Kerbweight140bhppertonneLength4765mmHeight1384mmWidth1877mmNewZe

6、roshiftTransmissionZS016-speedsequentialAMTSingle-platedryclutchClosedloopelectro-mechanicalclutchcontrolDEVELOPMENTControlsandElectronics•ZeroshiftTCU(Zeroshifthardwareandsoftware)•In-housetransmissioncontrolalgorithms•Electro-pneumatic,Electro-hydraul

7、icandElectric-mechanicalshiftsystems.•High-speed(kHz)dataloggingoftransmissioninternalspeeds,drivelinetorquesandvehicleCANdataPRESENTATIONOVERVIEW•Concept•Considerationsforaninstantgearshift•Development•Managinga‘Zeroshift’•Datacollectionandanalysis•Ben

8、efitsMANAGINGA‘ZEROSHIFT’DogvsZeroshift(unmanaged)Gear1Gear2Gear1Gear2euqro/tl.eccZeroshifta(Unmanaged)leichDogeVtime0MANAGINGA‘ZEROSHIFT’DogvsZeroshift(managed)Gear1Gear2Gear2Gear1euZeroshiftqr(managed)o/tDogl.eccaleicheVtime0MA