EN50128 2011标准培训.ppt

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1、EN501282011SeminarSummaryYaoJunFeb.27,2012EN501282011Seminar北京英华经纶交通运输有限公司（劳氏北京）于2012年2月9日在北京举办了EN50128新版标准研讨会，会议由ProfessorAliHessami讲解（欧标修订工作组WG11主席，负责EN50128:2011的修订)。AliHessami教授介绍了系统安全保障的基本概念，并从标准制定者的角度介绍了新版的EN50128，同时还谈到了EN50126系列标准的整合和未来。下面的ppt文档是基于本次研讨会的总结，也加入了个人

2、的理解，并把我的提问和回答也都列出。如果有不正确的或者遗漏的地方，请及时指出，谢谢！MainDifferencesbetweenEN501282011andEN501282001MaindifferencesinNewEN50128arethefollowingcontents:OrganizationandrolePersonnelcompetenceSupporttoolsApplicationdataoralgorithmsDeploymentandmaintenanceOrganizationandRoleOrganizati

3、on,roleandindependencerequirements(section5.1)AddtheroleofRQM(requirementmanager),INT(Integritor)andTST(Tester)AddthedescriptionoftheserolesTheindependentrequirementsforrolesareclearlyexplained.Example:PersoncompetencePersonnelcompetenciesareaddedinAnnexBofEN501282011.A

4、nexampleisshown:SupportTools(1/2)SupportToolsandLanguages(Section6.7)Provideevidencethatpotentialfailuresoftoolsdonotadverselyaffecttheintegratedtoolsetoutputinasafetyrelatedmanner.ClassificationThreeclassesoftoolssofarasreliabilityandsafetyimpactisconcernedasT1,T2andT3

5、.EachclasswillplacedifferentrequirementsontherequiredassuranceSupportTools(2/2)T1class(section3.1.42)generatesnooutputswhichcandirectlyorindirectlycontributetotheexecutablecode(includingdata)ofthesoftwareExample：atexteditor,configurationcontroltools.T2class(section3.1.4

6、3)supportsthetestorverificationofthedesignorexecutablecode,whereerrorsinthetoolcanfailtorevealdefectsbutcannotdirectlycreateerrorsintheexecutablesoftware.Example：atestcoveragemeasurementtoolandastaticanalysistoolT3class(section3.1.44)generatesoutputswhichcandirectlyorin

7、directlycontributetotheexecutablecode(includingdata)ofthesafetyrelatedsystemExample：asourcecodecompilerAsimplewaytounderstandthethreetypesoftools:T1---SIL0T2---SIL1&2T3---SIL3&4ApplicationDataoralgorithmsThispartisemphasizedinthenewEN50128.(section8)“Therequirementsfort

8、hedevelopmentofapplicationalgorithmsarethesameasthedevelopmentofgenericsoftwareasdescribedinClauses1-7and9.“em