Template Item Definition.docx
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- 上传时间:2022-11-17
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- 页数:16
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Template Item Definition.docx
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TemplateItemDefinition
ItemDefinition
RELEASE/REVISION:
RELEASE/REVISIONDATE:
RELEASEDBY:
TBD
DD-MMM-YYYY
TBD
USINGTHISTEMPLATE
Tocreateaninstanceofthisdocument:
∙Insertrelevantinformationoncoversheetandinplaceholdersthroughout.
∙Insertrelevantinformationinheaderpageandtilepagebyupdatingthedocumentproperties,e.g.thekeywordfieldneedstocontaintherelevantprojectinformation
∙AyellowboxcontainingCONTENTSOFTHISSECTIONisprovidedatthebeginningofmostsectionsandsubsections.Afterdeterminingwhatspecificinformationwillbeincludedinyourdocument,youcanremovethisyellowboxorleaveittoserveasaquick-referencesectionoverviewforyourreaders.
∙Considerhyper-linkingkeywordsusedinthedocumentwiththeirentriesintheReferencesectionorotherlocationinwhichtheyaredefined.ChooseInsert>Hyperlink.
Note:
TheobjectiveofthetemplateistogiveguidanceincreatingthespecificworkproductbyprovidingapredefinedstructureandinformationoftheexpectedcontentforeachsectionwhicharederivedfromISO26262standards.Theprovidedstructuremaybetailoredtosuitspecifictools.
TableofContents
1DocumentManagementandConfigurationControlInformation3
2Purpose4
3Scope5
4Acronyms&Definitions5
4.1Acronyms5
4.2Definitions5
5FunctionalDescription5
5.1Function1:
5.2Function2:
5.3Functionn:
6NonFunctionalRequirements6
6.1EnvironmentalConditions6
6.2OperationalRequirements6
6.3Restrictions6
7LegalRequirements6
8AppliedSafetyStandardsandlegalSafetyRequirements6
8.1Behaviorachievedbysimilarfunctions7
8.2Behaviorexpectedfromitem7
8.3Potentialconsequencesofinsufficientbehaviorincl.Failuremodesandhazards7
9Boundaries8
9.1InternalBoundaries8
9.2ExternalBoundaries9
10Interfaces9
10.1MechanicalInterfaces10
10.2SensorInterface10
10.2.1InternalSensor-Interfaces10
10.2.2ExternalSensor-Interfaces11
10.3ActuatorInterface11
10.3.1InternalActuator-Interfaces12
10.3.2ExternalActuator-Interfaces12
10.4CommunicationwithotherECUs13
10.5Signal/BusCommunication13
10.6AdditionalControlInputs14
10.7AdditionalControlOutputs14
10.8FurtherSignals14
10.9Interactionwithotheritems14
10.10Requirementsfromotheritems14
10.11Requirementsonotheritems15
10.12Allocationanddistributionoffunctionsamongtheitemsandelementsinvolved15
11LIMITATIONS15
12References15
13Stakeholders15
14Approval15
15Distribution16
1DocumentManagementandConfigurationControlInformation
CONTENTSOFTHISSECTION:
Thissectionidentifiesthereleasenumber,releasedate,andotherrelevantmanagementandconfigurationcontrolinformationassociatedwiththecurrentversionofthedocument.Optionalitemsforthissectioninclude:
changehistoryandanoverviewofsignificantchangesfromversiontoversion.
Release
Date
PreparedBy
ReviewedBy
Remarks/Changes
N.M.
DD-MMM-YYYY
2
Purpose
Thedocument“ItemDefinition”hasthepurposetoidentifyanddescribeacore-orapplicationdevelopmentatitsinitialphasewhitfocusonfunctionalsafetyaspects.
ItshallcreateanadequateunderstandingofitwiththetaskthateachactivitydefinedinthesafetylifecycleoftheISO26262canbeperformedadequately.Accordingtothestandard,theitemdefinitionistodevelopadescriptionoftheitemwithregardtoitsfunctionality,interfaces,environmentalconditions,legalrequirements,knownhazardsetc.Theboundaryofthesystemanditsinterfaces,aswellasassumptionsconcerningotheritems,systemsandcomponentsaredetermined.
BasedontheItemDefinition,variousfunctionalsafetyworkproductssuchastheHazardAnalysisandRiskAssessment,safetyconceptsandsafetyanalysesshallbecarriedoutorderivedfrom(seefollowingfigure).
Fig.1:
FunctionalSafetyLifecycle(ISO26262)
Remark:
Ingeneralthesystemisdefinedasentireapplicationorfunctionwithinavehicle,includinginputsignals,controlfunctionandoutputdevices.Formostapplications/functionsthiscanonlybedonebytheVM(vehiclemanufacturer).
Furtherrelevantinformationoninputandoutputsignalsshouldbelistedinthisdocumentbuttheseareassumptionsregardingthedescribedelements.FortheseelementsaseparateItemDefinitionshouldcreatedbytherelevantsupplier(s)orVM(s).
3Scope
CONTENTSOFTHISSECTION:
Thissectionexplainstheoverallscopeofthisdocument.
Thisdocumentappliestothe
4Acronyms&Definitions
4.1Acronyms
Acronym/Term
FullForm/Definition
ASIL
AutomotiveSafetyIntegrityLevel(ISO26262)
VM
VehicleManufacturer(alsoOriginalEquipmentManufacturer(OEM)
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