【英文标准名称】:Railwayapplications-Rollingstockequipment-Shockandvibrationtests
【原文标准名称】:铁路设施.铁路车辆设备.撞击和振动试验
【标准号】:IEC61373-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-05
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC9
【标准类型】:()
【标准水平】:()
【中文主题词】:认证;电力牵引;电气设备;电驱动装置;设备;铁路设施;铁道车辆;铁路;随机变量;铁路车辆;冲击试验;冲击;试验;交通车辆;运载工具;振动;振动试验
【英文主题词】:Certification;Electrictraction;Electricalequipment;Electrically-operateddevices;Equipment;Railwayapplications;Railwayvehicles;Railways;Randomvariable;Rollingstocks;Shocktests;Shocks;Testing;Trafficvehicles;Vehicles;Vibration;Vibrationtests
【摘要】:ThisInternationalStandardspecifiestherequirementsfortestingitemsofequipmentintendedforuseonrailwayvehicleswhicharesubsequentlysubjectedtovibrationsandshockowingtothenatureofrailwayoperationalenvironment.Togainassurancethatthequalityoftheequipmentisacceptable,ithastowithstandtestsofreasonabledurationthatsimulatetheserviceconditionsseenthroughoutitsexpectedlife.Simulatedlong-lifetestingcanbeachievedinanumberofwayseachhavingtheirassociatedadvantagesanddisadvantages,thefollowingbeingthemostcommon:a)amplification:wheretheamplitudesareincreasedandthetimebasedecreased;b)timecompression:wheretheamplitudehistoryisretainedandthetimebaseisdecreased(increaseofthefrequency);c)decimation:wheretimeslicesofthehistoricaldataareremovedwhentheamplitudesarebelowaspecifiedthresholdvalue.Theamplificationmethodasstatedina)above,isusedinthisstandardandtogetherwiththepublicationsreferredtoinClause2;itdefinesthedefaulttestproceduretobefollowedwhenvibrationtestingitemsforuseonrailwayvehicles.However,otherstandardsexistandmaybeusedwithprioragreementbetweenthemanufacturerandthecustomer.Insuchcasestestcertificationagainstthisstandardwillnotapply.WhereserviceinformationisavailabletestscanbeperformedusingthemethodoutlinedinAnnexA.Ifthelevelsarelowerthanthosequotedinthisstandard,equipmentispartiallycertifiedagainstthisstandard(onlyforserviceconditionsgivingfunctionaltestvalueslowerthanorequaltothosespecifiedinthetestreport).Whilstthisstandardisprimarilyconcernedwithrailwayvehiclesonfixedrailsystems,itswideruseisnotprecluded.Forsystemsoperatingonpneumatictyres,orothertransportationsystemssuchastrolleybuses,wherethelevelofshockandvibrationclearlydifferfromthoseobtainedonfixedrailsystems,thesupplierandcustomercanagreeonthetestlevelsatthetenderstage.Itisrecommendedthatthefrequencyspectraandtheshockduration/amplitudebedeterminedusingtheguidelinesinAnnexA.Equipmenttestedatlevelslowerthanthosequotedinthisstandardcannotbefullycertifiedagainsttherequirementsofthisstandard.Anexampleofthisistrolleybuses,wherebybody-mountedtrolleybusequipmentcouldbetestedinaccordancewithcategory1equipmentreferredtointhestandard.Thisstandardappliestosingleaxistesting.Howevermulti-axistestingmaybeusedwithprioragreementbetweenthemanufacturerandthecustomer.Thetestvaluesquotedinthisstandardhavebeendividedintothreecategoriesdependentonlyupontheequipment’slocationwithinthevehicle.
【中国标准分类号】:S30
【国际标准分类号】:17_160;45_060_01
【页数】:74P.;A4
【正文语种】:英语


【英文标准名称】:Informationtechnology-AbstractSyntaxNotationOne(ASN.1):Informationobjectspecification
【原文标准名称】:信息技术抽象语法记法1(ASN.1):信息客体规范
【标准号】:ISO/IEC8824-2-1998
【标准状态】:作废
【国别】:国际
【发布日期】:1998-12
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/IEC/JTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:代码表示;表示层;开放系统互连;网络互连;抽象语法符号1;定义;标记;信息技术;信息目标;规范;信息交换;信息交流;数据处理
【英文主题词】:
【摘要】:
【中国标准分类号】:L70
【国际标准分类号】:35_100_60
【页数】:30P;A4
【正文语种】:英语