EN 60706-3-2006 en Maintainability of equipment Part 3 Verification and collection analysis and presentation of data《设备维修性 第3部分 数据验证 收集 分析和表示 IEC 60706-3-2006》.pdf

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1、BRITISH STANDARDBS EN 60706-3:2006Maintainability of equipment Part 3: Verification and collection, analysis and presentation of dataThe European Standard EN 60706-3:2006 has the status of a British StandardICS 03.120.01; 21.020g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g

2、53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 60706-3:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 October 2006 BSI 2006ISBN 0 580 49314 8Nation

3、al forewordThis British Standard was published by BSI. It is the UK implementation of EN 60706-3:2006. It is identical with IEC 60706-3:2006. It supersedes BS 6548-3:1992 which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee DS/1, Dependability and terotechn

4、ology.A list of organizations represented on DS/1 can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from lega

5、l obligations.Amendments issued since publicationAmd. No. Date CommentsEUROPEAN STANDARD EN 60706-3 NORME EUROPENNE EUROPISCHE NORM July 2006 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normu

6、ng Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2006 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60706-3:2006 E ICS 03.120.01; 21.020 English version Maintainability of equipment Part 3: Verification and collecti

7、on, analysis and presentation of data (IEC 60706-3:2006) Maintenabilit de matriel Partie 3: Vrification et recueil, analyse et prsentation de donnes (CEI 60706-3:2006) Instandhaltbarkeit von Gerten Teil 3: Verifizierung und Erfassung, Analyse und Darstellung von Daten (IEC 60706-3:2006) This Europea

8、n Standard was approved by CENELEC on 2006-07-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references c

9、oncerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member i

10、nto its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Ital

11、y, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Foreword The text of document 56/1094/FDIS, future edition 2 of IEC 60706-3, prepared by IEC TC 56, Dependability, was submitted to the

12、IEC-CENELEC parallel vote and was approved by CENELEC as EN 60706-3 on 2006-07-01. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2007-04-01 latest date by which the national

13、 standards conflicting with the EN have to be withdrawn (dow) 2009-07-01 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 60706-3:2006 was approved by CENELEC as a European Standard without any modification. _ EN 60706-3:2006 2 CONTENTS INTRODUCTION

14、.5 1 Scope 6 2 Normative references6 3 Terms and definitions .7 4 Introduction to maintainability verification7 4.1 Objective of verification .7 4.2 Maintenance support concepts influencing maintainability verification.8 4.3 Methods of verification.8 4.4 Verification process .8 4.5 Conditions and co

15、nstraints.9 4.6 Qualitative and quantitative verification procedures 10 5 Procedures for verification of qualitative maintainability.11 5.1 Design review11 5.2 Review of test experience11 5.3 Ease-of-maintenance studies.12 5.4 Review of maintenance task analysis .12 5.5 Review of operational experie

16、nce.12 6 Procedures for verification of quantitative maintainability.13 6.1 Maintainability predictions13 6.2 Verification based on demonstration tests 13 6.3 Verification based on field data 13 7 Demonstration procedures14 7.1 General .14 7.2 Demonstration process 14 7.3 Demonstration planning .14

17、7.4 Conditions and constraints.15 7.5 Demonstration after modification15 8 Elements of the verification procedure 16 8.1 Utilization of data sources16 8.2 Data acquisition and analysis.16 8.3 Evaluation .17 8.4 Comparison.18 9 Collection, analysis and presentation of maintainability data18 9.1 Gener

18、al .18 9.2 Maintenance concept.18 9.3 Data sources .19 9.4 Item demonstration and field data 20 9.5 Analysis procedures 20 9.6 Data presentation 21 Annex A (normative) Maintainability demonstration procedures24 Annex B (normative) Maintainability demonstration test methods .27 Annex C (normative) An

19、alysis of maintainability related data .35 EN 60706-3:2006 3 Annex ZA (normative) Normative references to international publications with theircorresponding European publications.38 Bibliography .37 Figure B.1 Test method 8: Sequential test plan 34 Table 1 Qualitative and quantitative maintainabilit

20、y verification procedures .11 Table 2 Active repair task data summary form 23 Table 3 Active repair time summary form23 Table 4 Preventive maintenance summary23 Table A.1 Test methods .24 Table B.1 Test method 7: Acceptance and rejection numbers33 Table B.2 Sampling plans for specified p0, p1, , (p0

21、Probability of acceptance, Pa: = 1aP for 0 = =aP for 1 = = type I risk, = type II risk, 01 Sample size, n: ()()+=1220121101euun where 2 is a prior estimate of the variance of the logarithms of active corrective maintenance times, and 11,uu are standardized normal deviates; 0is the minimum acceptable

22、 mean value of a maintainability measure, e.g. MACMT; 1is the mean of MACMT for rejection. NOTE Values of 0and 1are given in the contract or are derived from customer requirements. Minimum sample size: 30. EN 60706-3:2006 27 Decision procedure: From a random sample of n active corrective maintenance

23、 times nxxx ,.,21compute the sample mean =niixnx11and the sample variance: =niixnxns122211Accept H0ifnsux+10reject H0otherwise. B.3 Test method 2 Test index: Test on the mean, e.g. MACMT Assumptions: No specific assumption concerning the distribution of active corrective maintenance times, ACMT, is

24、made. The variance of ACMT, 2 , is known from prior information. Tested hypotheses: See test method 1 Probability of acceptance Pa: See test method 1 Sample size, n: 201112+=uunwhere 2 is a prior estimate of the variance of the active corrective maintenance times, and 11,uu are standardized normal d

25、eviates. Minimum sample size: 30. Decision procedure: See test method 1. B.4 Test method 3 Test index: Test on the mean, e.g. MACMT Assumptions: None Tested hypotheses: See test method 1 Probability of acceptance Pa: See test method 1 Sample size, n: 201112+=uunwhere 2 is the sample variance of a sample of active corrective maintenance times, and 11,uu are standardized normal deviates. Minimum sample size: 50. Decision procedure: See test method 1 EN 60706-3:2006 28