IEC 60546-2-1987 工业过程控制系统用模拟信号控制器第2部分:检验和常规试验指南

作者:标准资料网 时间:2024-05-11 12:41:56   浏览:8891   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Controllerswithanaloguesignalsforuseinindustrial-processcontrolsystems.Part2:Guidanceforinspectionandroutinetesting.
【原文标准名称】:工业过程控制系统用模拟信号控制器第2部分:检验和常规试验指南
【标准号】:IEC60546-2-1987
【标准状态】:作废
【国别】:国际
【发布日期】:1987
【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/SC65B
【标准类型】:()
【标准水平】:()
【中文主题词】:电气工程;测量方法;检验;过程测量和控制技术;调查;试验;控制器;验收检验;应用;常规检验;过程控制;工作性能;说明书;试验报告;使用;模拟信号;工业流程测量;工业的;指导手册;公式;评定
【英文主题词】:Acceptance(approval);Acceptanceinspection;Analoguesignals;Applications;Controltechnology;Controllers;Electriccontrolequipment;Electricalengineering;Evaluations;Formulae;Guidebooks;Industrial;Industrialprocessmeasurement;Industries;Inspection;Instructions;Investigations;Methodsformeasuring;Operation;Performanceinservice;Pneumaticcontrolequipment;Processcontrol;Processmeasuringandcontroltechnology;Routinechecktests;Testing;Use
【摘要】:Appliestopneumaticandelectricindustrial-processcontrollersusinganaloguesignalswhichareinaccordancewithIECPublications381and382.Theprovisionsareapplicableinprincipletocontrollershavingdifferent,butcontinuoussignals.Provide
【中国标准分类号】:N10
【国际标准分类号】:25_040_40
【页数】:
【正文语种】:英语


下载地址: 点击此处下载
Product Code:SAE AS4807
Title:Fitting Assembly, Elbow, 90掳, Beam Seal, Retained Nut
Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Scope:Scope unavailable.【英文标准名称】:Equipmentreliabilitytesting-Part4:Statisticalproceduresforexponentialdistribution-Pointestimates,confidenceintervals,predictionintervalsandtoleranceintervals
【原文标准名称】:设备可靠性试验第4部分:指数分布的统计规程点估计,置信区间,预测区间,容差区间
【标准号】:IEC60605-4-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-08
【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/TC56
【标准类型】:()
【标准水平】:()
【中文主题词】:测量规程;统计学;统计方法分析;置信限;概率计算;可靠性试验;电气器具;估计;设备;定义;数学计算;电驱动装置;电气工程;;试验;可靠度;额定值
【英文主题词】:Confidenceintervals;Confidencelimits;Definitions;Determinationprocedures;Electricappliances;Electricalengineering;Electrically-operateddevices;Equipment;Estimate;Estimation;Failure;Failurefrequency;Failurerates;Mathematicalcalculations;Pointestimation;Probabilitycalculations;Ratings;Reliability;Reliabilitytesting;Statisticaldistribution;Statisticalmethodsofanalysis;Statistics;Statisticsoffailure;Testing;Tolerancelimit;Tolerances(measurement)
【摘要】:ThisInternationalStandardprovidesstatisticalmethodsforevaluatingpointestimates,confidenceintervals,predictionintervalsandtoleranceintervalsforthefailurerateofitems,whosetimetofailurefollowsanexponentialdistribution.Thisimpliesthatthefailurerate(seeIEV191-12-02)isconstantwithrespecttotime.Itshouldbenotedthatalthoughreferenceismadeabovetofailurerate,thenumericalmethodstobedescribedareequallyapplicabletoothereventratesprovidedthetimestotheoccurrenceoftheeventfollowanexponentialdistribution.Thus,withthisqualification,thenumericalmethodswillapply,forexample,toconstantfailureintensitiesandconstantrepairrates(seeIEV191-12-04andIEV191-13-02respectively).Forconvenience,however,andtoavoidunnecessaryrepetition,referencewillbemadeinwhatfollowsonlytofailuresandfailurerates.Useoftheproceduresinthisstandardshouldbesupportedbyteststoconfirmthevalidityoftheassumptionofconstantfailurerateorfailureintensity(seeIEC60605-6).Thisstandardisalsoapplicablewheneverarandomsampleofitemsissubjectedtoatestoftimestofailureforthepurposeofestimatingmeasuresofreliabilityperformance.
【中国标准分类号】:L05
【国际标准分类号】:03_120_10;29_020
【页数】:65P.;A4
【正文语种】:英语