GMN 5216TP-2002 Knockback Evaluation Procedure - DPG (BBS-016)

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1、NorthAmericanENGINEERINGTestProcedureGMN5216TPSTANDARDSKnockbackEvaluationProcedure-DPG(BBS-016)1Introduction2ReferenceNote:NothinginthisproceduresupersedesNote:Onlythelatestapprovedstandardsareapplicablelawsandregulationsunlessaapplicableunlessotherwisespecified

2、.specificexemptionhasbeenobtained.2.1Normative.Note:IfthereisaconflictbetweentheEnglishanddomesticlanguage,theEnglishlanguage2.2GM.shalltakeprecedence.2.3Additional.1.1Purpose.Toevaluatethebrakepedaltravel2.3.1M.D.Dighe,“MPG-DPGKnockbackincreasewhenthevehicleissu

3、bjectedComparison,”PG57697,December17,toroughroaddrivingconditionsonthe1991,BBSFileF-0808.DesertProvingGroundBelgianBlockRoad.3Resources1.2Foreword.Thisprocedureisintendedtoquantify3.1Facilities.theincreaseinbrakepedaltravelwhichoccurswhenthebrakecaliper3.1.1TheB

4、elgianBlockRoadlocatedinthepistonchangeslocationintheboredueDurabilityTestLoopattheGeneraltodeflectionand/orinertiaofthebrakeMotorsProvingGround,MesaArizona.componentsandtheirmountings.3.1.2AnystraightandlevelasphaltorAsimilarknockbacktestcanbeconcretetestroadway

5、.conductedattheMilfordProvingGround.Atthistime,nocorrelation3.2Equipment.existsbetweentestresultsperformedatDesertProvingGroundandthe3.2.1BrakepedalforcetransducercapableMilfordProvingGroundfacilities.ofmeasuringto890N(200lb).ResultsfromvehiclestestedattheMilford

6、ProvingGroundcannotbe3.2.2Brakepedaltraveltransducermeasuringcomparedtoresultsfromvehiclesto152mm(6inch).testedattheDesertProvingGround[1].3.2.3Driverreadablevacuumgagewitharangeof102kPa(30inchHg)anda1.3Applicability.minimumresolutionof0.8kPa(0.25Thistestappliest

7、oallpassengercarsinchHg).andlighttrucks..3.2.4Digitaldataacquisitionsystem.1.4Definitions.3.2.5Appropriatesignalconditioningequipmentandcabling.©CopyrightDateGeneralMotorsCorporationAllRightsReserved-GMConfidential-OriginatedDate:May,1993GMN5216TPRevisedDate:June

8、,2002ApprovalDate:June,2002Page1of5GMNorthAmericanENGINEERINGSTANDARDGMN5216TP3.2.6Allinstrumentationmustbecalibratedaccordingtodepartmentpolicy.4.1.1.5Calibra