EN 16602-40-12-2014 en Space product assurance - Fault tree analysis - Adoption notice ECSS IEC 61025《航空产品质量保证 故障树分析法 采用注意ECSS IEC 61025》.pdf

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1、BSI Standards PublicationBS EN 16602-40-12:2014Space product assurance Fault tree analysis Adoptionnotice ECSS/IEC 61025BS EN 16602-40-12:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN16602-40-12:2014.The UK participation in its preparation was entrusted t

2、o TechnicalCommittee ACE/68, Space systems and operations.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The Bri

3、tish Standards Institution 2014. Published by BSI StandardsLimited 2014ISBN 978 0 580 84274 0ICS 49.140Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 September

4、 2014.Amendments issued since publicationDate Text affectedBS EN 16602-40-12:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 16602-40-12 September 2014 ICS 49.140 English version Space product assurance - Fault tree analysis - Adoption notice ECSS/IEC 61025 Assurance produit des projets spa

5、tiaux - Analyse par arbre de panne - Notice dadoption de la norme ECSS/CEI 61025Raumfahrtproduktsicherung - Fehlerbaumanalyse - Adoption notice ECSS/IEC 61025 This European Standard was approved by CEN on 13 March 2014. CEN and CENELEC members are bound to comply with the CEN/CENELEC Internal Regula

6、tions 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 concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN and CE

7、NELEC 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 CEN and CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as th

8、e official versions. CEN and CENELEC members are the national standards bodies and national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland

9、, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CEN/CENELEC All rights of exploitation in any form and by an

10、y means reserved worldwide for CEN national Members and for CENELEC Members. Ref. No. EN 16602-40-12:2014 EBS EN 16602-40-12:2014EN 16602-40-12:2014 (E) 2 Table of contents Foreword 3 1 Scope . 4 2 Normative references . 5 3 Terms, definitions and abbreviated terms 6 3.1 Terms defined in other stand

11、ards . 6 3.2 Abbreviated terms. 6 4 Principles 7 5 Requirements 8 5.1 ECSS usage restriction . 8 5.1.1 Applicability . 8 5.1.2 Procedure . 8 5.1.3 Software tools supporting FTA 9 Bibliography . 10 BS EN 16602-40-12:2014EN 16602-40-12:2014 (E) 3 Foreword This document (EN 16602-40-12:2014) has been p

12、repared by Technical Committee CEN/CLC/TC 5 “Space”, the secretariat of which is held by DIN. This standard (EN 16602-40-12:2014) originates from ECSS-Q-ST-40-12C. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, a

13、t the latest by March 2015, and conflicting national standards shall be withdrawn at the latest by March 2015. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or

14、 all such patent rights. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association. This document has been developed to cover specifically space systems and has therefore precedence over any EN covering the same scope but with a w

15、ider domain of applicability (e.g. : aerospace). According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, F

16、ormer Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 16602-40-12:2014EN 16602-40-12:2

17、014 (E) 4 1 Scope This Standard defines requirements for the performance of Fault Tree Analysis (FTA) on space projects and incorporates the IEC 61025 standard into the ECSS system. With effect from the date of approval, this Standard announces the adoption of the external document on a restricted b

18、asis for use in the European Cooperation for Space Standardization (ECSS) system. This standard may be tailored for the specific characteristic and constraints of a space project in conformance with ECSS-S-ST-00. BS EN 16602-40-12:2014EN 16602-40-12:2014 (E) 5 2 Normative references The following no

19、rmative documents contain provisions which, through reference in this text, constitute provisions of this ECSS Standard. For dated references, subsequent amendments to, or revisions of any of these publications do not apply. However, parties to agreements based on this ECSS Standard are encouraged t

20、o investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references the latest edition of the publication referred to applies. EN reference Reference in text Title EN 16601-00-01 ECSS-S-ST-00-01 ECSS system Glossary of terms EN 16602-

21、30 ECSS-Q-ST-30 Space product assurance Dependability EN 16602-40 ECSS-Q-ST-40 Space product assurance Safety IEC 61025 (1990-10) Fault tree analysis (FTA) BS EN 16602-40-12:2014EN 16602-40-12:2014 (E) 6 3 Terms, definitions and abbreviated terms 3.1 Terms defined in other standards For the purpose

22、of this Standard, the terms and definitions from ECSS-S-ST-00-01 apply, in particular for the following terms: dependability 3.2 Abbreviated terms For the purpose of this Standard, the abbreviated terms from ECSS-S-ST-00-01 and the following apply: Abbreviation Meaning ECSS European Cooperation for

23、Space Standardization IEC International Electrotechnical Commission FT fault tree FTA fault tree analysis NUREG U.S. Nuclear Regulatory Commission, Washington, DC BS EN 16602-40-12:2014EN 16602-40-12:2014 (E) 7 4 Principles The standard IEC 61025 (1990-10) titled “Fault tree analysis (FTA)” defines

24、basic principles, provides the steps necessary to perform an analysis, identifies appropriate assumptions, events and failure modes, and provides identification rules and symbols. BS EN 16602-40-12:2014EN 16602-40-12:2014 (E) 8 5 Requirements 5.1 ECSS usage restriction 5.1.1 Applicability a. The sup

25、plier shall use the FTA as defined in ECSS-Q-ST-30 and ECSS-Q-ST-40. b. The supplier shall perform a FTA for: 1. selected undesirable events which could have catastrophic, critical or major consequences; NOTE For definition for the scale of severity, refer to ECSS-Q-ST-30. 2. support of failure; 3.

26、accident investigations. NOTE This is to limit the amount of effort in performing the analysis. c. The supplier shall agree with the customer on the content of the FTA. d. The supplier shall provide the FTA for customer review. e. Where FTA is used in failure or accident investigations, the supplier

27、 shall agree with the relevant Review Board on the depth of the FTA. 5.1.2 Procedure a. The supplier shall perform the FTA in conformance with the methodology and symbols described in IEC 61025. NOTE 1 IEC 61025 uses general terms to describe the FTA process, including preparations for the FTA, the

28、procedure itself and the output report. NOTE 2 Users are encouraged to make sure that they have a clear understanding and interpretation of these general terms when taken in the context of the space system under analysis. NOTE 3 The informative reference, NUREG 0492 (1991) “Fault Tree Handbook” can

29、be used as a comprehensive reference work to complement this ECSS Standard. BS EN 16602-40-12:2014EN 16602-40-12:2014 (E) 9 5.1.3 Software tools supporting FTA a. When using a computer program to support the FTA, the supplier shall use a computer program which fulfils the following criteria: 1. it s

30、upports the functionality which is necessary to perform the FTA; 2. it is compatible with project requirements for electronic data transfer and the interchange of data between interacting programs or tools. NOTE Although there are several proprietary software programs available for various platforms

31、 designed to assist the FT analyst, this ECSS Standard does not endorse any particular product. BS EN 16602-40-12:2014EN 16602-40-12:2014 (E) 10 Bibliography EN reference Reference in text Title EN 16601-00 ECSS-S-ST-00 ECSS system Description, implementation and general requirements NUREG 0492 (199

32、1) Fault Tree Handbook - Reliability and Risk Analysis, Norman J McCormick, Academic Press This page deliberately left blankBSI is the national body responsible for preparing British Standards and other standards-related publications, information and services.BSI is incorporated by Royal Charter. Br

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