BS EN 16602-20-10-2014 Space product assurance Off-the-shelf items utilization in space systems《航天产品保证 现用物品在航天系统中的应用》.pdf

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1、BSI Standards PublicationBS EN 16602-20-10:2014Space product assurance Off-the-shelf items utilizationin space systemsBS EN 16602-20-10:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN16602-20-10:2014.The UK participation in its preparation was entrusted to

2、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 Briti

3、sh Standards Institution 2014. Published by BSI StandardsLimited 2014ISBN 978 0 580 84237 5ICS 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 2

4、014.Amendments issued since publicationDate Text affectedBS EN 16602-20-10:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 16602-20-10 September 2014 ICS 49.140 English version Space product assurance - Off-the-shelf items utilization in space systems Assurance produit des projets spatiaux

5、- Utilisation dlments sur tagres dans les systemes spatiaux Raumfahrtproduktsicherung - Nutzung von off-the-shelf Produkten in Raumfahrtsystemen This European Standard was approved by CEN on 6 March 2014. CEN and CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which sti

6、pulate 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 CENELEC member. T

7、his 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 the official vers

8、ions. 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, Italy, Latvia

9、, 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 any means reserve

10、d worldwide for CEN national Members and for CENELEC Members. Ref. No. EN 16602-20-10:2014 EBS EN 16602-20-10:2014EN 16602-20-10:2014 (E) 2 Table of contents Foreword 4 1 Scope . 5 2 Normative references . 6 3 Terms, definitions and abbreviated terms 7 3.1 Terms from other standards 7 3.2 Terms spec

11、ific to the present standard . 7 3.3 Abbreviated terms. 7 4 Principles 9 4.1 Structure and organization of OTS item selection process 9 4.1.1 Market investigation and OTS items identification . 9 4.1.2 OTS item characterization and selection . 9 4.1.3 OTS item procurement and qualification . 10 5 Re

12、quirements 12 5.1 Documentation . 12 5.1.1 OTS plan . 12 5.1.2 Equipment specification 12 5.1.3 OTS item evaluation dossier . 12 5.2 Market investigation and OTS item identification 13 5.2.1 OTS item identification 13 5.2.2 Preliminary Make-or-Buy decision point 14 5.3 OTS characterization 15 5.3.1

13、General . 15 5.3.2 Product assurance evaluation for OTS item characterization 16 5.4 Performance evaluation - Engineering related activities 20 5.4.1 Structural and mechanical evaluation 20 5.4.2 Thermal evaluation 20 5.4.3 Electrical . 21 5.4.4 Maintenance . 23 BS EN 16602-20-10:2014EN 16602-20-10:

14、2014 (E) 3 5.5 Final Make or Buy Decision 23 5.6 OTS item procurement and qualification . 23 5.6.1 OTS item procurement 23 5.6.2 Qualification 24 Annex A (normative) OTS plan - DRD 25 Annex B (normative) OTS item evaluation dossier - DRD 27 Annex C (informative) ECSS-DRD Informational Reference 33 B

15、ibliography . 34 Figures Figure 4-1: OTS items selection process flow . 11 Figure B-1 : Example of an OTS item status evaluation matrix . 30 Figure B-2 : Example of an comparison of existing OTS item qualification vs project requirements 31 Figure B-3 : Example of OTS item dedicated data summary 32

16、BS EN 16602-20-10:2014EN 16602-20-10:2014 (E) 4 Foreword This document (EN 16602-20-10:2014) has been prepared by Technical Committee CEN/CLC/TC 5 “Space”, the secretariat of which is held by DIN. This standard (EN 16602-20-10:2014) originates from ECSS-Q-ST-20-10C. This European Standard shall be g

17、iven the status of a national standard, either by publication of an identical text or by endorsement, at 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 b

18、e the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or 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 s

19、pecifically space systems and has therefore precedence over any EN covering the same scope but with a wider 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 Europ

20、ean Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slov

21、enia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 16602-20-10:2014EN 16602-20-10:2014 (E) 5 1 Scope This Standard applies to all parties involved at all levels in the utilization of OTS items into space segment hardware and launchers. For the purpose of this Standard, Off-the-Sh

22、elf (OTS) Items are those that, even if not necessarily developed for space applications, can be procured from the market and utilized in a space system. This Standard contains the requirements for the utilization of OTS Items, in terms of their selection, characterization and procurement for space

23、system use. This Standard considers complex OTS items, as for example: motherboards, cards, data storage units/items, optical equipments, photo cameras and video units, LANs, mechanical/electrical and electromechanical devices, batteries, sensors, monitoring support units, medical equipments and ite

24、ms, laptops. This Standard does not cover: software OTS, re-use of OTS items already qualified for space applications, NOTE However, items not belonging to the same lot of the OTS item already evaluated using this standard, can be subjected to partial re-evaluation and re-qualification since, on the

25、 commercial market, fast evolution of the design occurs. Pieces, parts and materials, such as electrical, electronic and electromechanical (EEE) parts, thermocouples, rivets, fasteners, connectors, fittings, adhesives, insulation, wiring and plumbing. This standard is not specifically addressing the

26、 re-use of OTS items for the same space application for which they were initially qualified. This standard may be tailored for the specific characteristic and constrains of a space project in conformance with ECSS-S-ST-00. BS EN 16602-20-10:2014EN 16602-20-10:2014 (E) 6 2 Normative references The fo

27、llowing normative documents contain provisions which, through reference in this text, constitute provisions of this ECSS Standard. For dated references, subsequent amendments to, or revision of any of these publications do not apply. However, parties to agreements based on this ECSS Standard are enc

28、ouraged to investigate the possibility of applying the more 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 ter

29、ms EN 16603-10 ECSS-E-ST-10 Space engineering - System engineering general requirements EN 16603-10-02 ECSS-E-ST-10-02 Space engineering - Verification EN 16603-10-12 ECSS-E-ST-10-12 Space engineering - Methods for the calculation of radiation received and its effects, and a policy for design margin

30、s EN 16603-20 ECSS-E-ST-20 Space engineering - Electrical and electronic EN 16603-31 ECSS-E-ST-31 Space engineering - Thermal control general requirements EN 16603-32 ECSS-E-ST-32 Space engineering - Structural general requirements EN 16603-50-05 ECSS-E-ST-50-05 Space engineering - Radio frequency a

31、nd modulation EN 16603-50-14 ECSS-E-ST-50-14 Space engineering - Spacecraft discrete interfaces EN 16602-20 ECSS-Q-ST-20 Space product assurance - Quality assurance EN 16602-60 ECSS-Q-ST-60 Space product assurance - Electrical, electronic and electromechanical (EEE) components EN 16602-70 ECSS-Q-ST-

32、70 Space product assurance - Materials, mechanical parts and processes EN 16602-70-28 ECSS-Q-ST-70-28 Space product assurance - Repair and modification of printed circuit board assemblies for space use BS EN 16602-20-10:2014EN 16602-20-10:2014 (E) 7 3 Terms, definitions and abbreviated terms 3.1 Ter

33、ms from other standards For the purpose of this Standard, the terms and definitions from ECSS-S-ST-00-01 apply. 3.2 Terms specific to the present standard 3.2.1 manufacturer industrial subject that has developed and produced the OTS item and makes it available on the market 3.3 Abbreviated terms For

34、 the purpose of this Standard, the abbreviated terms from ECSS-S-ST-00-01 and the following apply: Abbreviation Meaning CIDL configuration item data list CoC certificate of conformance DML declared material list DPL declared process list DRD document requirements definition EEE electronic, electrica

35、l, electromechanical EMC electromagnetic compatibility EMI electromagnetic interference ESD electrostatic discharge EQSR equipment qualification status review FMEA FMECA failure modes effects analysis failure modes effects and criticality analysis ISO International Organization for Standardization B

36、S EN 16602-20-10:2014EN 16602-20-10:2014 (E) 8 Abbreviation Meaning ITAR International Traffic in Arms Regulation LCC life cycle cost LET linear energy transfer LU latch up MTTF mean time to failure NIEL non-ionising energy loss OTS off-the-shelf PAD part approval documents PDR preliminary design re

37、view PCB printed circuit board QSL qualification status list RAM reliability, availability, maintainability RFD request for deviation RFW request for waiver SEE single level effect SEU single event upset SRR system requirements review STD standard TID total ionising dose VCD verification control doc

38、ument BS EN 16602-20-10:2014EN 16602-20-10:2014 (E) 9 4 Principles 4.1 Structure and organization of OTS item selection process 4.1.1 Market investigation and OTS items identification When a supplier decides upon the possibility of using OTS items, it is necessary that from the very beginning a prel

39、iminary equipment specification be issued. In parallel to this an OTS Plan is prepared. At this point, the relevant market survey can be started. For each OTS item candidate an evaluation dossier is initiated and all these OTS item candidates are compared to the project requirements in order to have

40、 a preliminary make or buy decision. As an input to the System SRR, a preliminary OTS make/buy decision milestone identifies a restricted number (maximum three) of OTS item candidates for which the buy approach is viable. Refer to Figure 4-1 first sector. NOTE The liability for introducing an OTS It

41、em into the Project remains always with the design authority which is in charge of the make-or-buy decision. 4.1.2 OTS item characterization and selection After the System SRR, the updated equipment specification and OTS Plan is used as input to the characterization of each OTS item candidate. Durin

42、g the characterization the OTS item candidates are deeply investigated in order to assess their performance and qualification status and to identify any possible modification to be introduced in the OTS item or in the system hosting it and any delta qualification activity. The OTS item evaluation do

43、ssiers are incrementally updated to reflect the results of these investigations; at the end the best suitable OTS item candidate is selected, and all related modifications and delta qualification activities are identified thus confirming that the OTS item is qualifiable. The OTS item evaluation doss

44、ier of the selected candidate, together with the equipment specification and the OTS Plan, both updated for PDR, are used to support the final make-or-buy decision milestone at the System PDR. Refer to Figure 4-1 second sector. BS EN 16602-20-10:2014EN 16602-20-10:2014 (E) 10 4.1.3 OTS item procurem

45、ent and qualification After the final make-or-buy decision milestone at the System PDR, if the “Buy“ decision has been taken, the procurement activities can start. Since this ECSS is not dealing with the simple re-procurement of already space qualified OTS Items, two options for procurement can be e

46、nvisaged: OTS Items for qualification and OTS Items for flight are procured at different times; Both OTS Items for qualification and for flight are procured at the same time. The supplier selects which option is the best based on the relevant Project programmatic needs. Regardless of the procurement

47、 option selected, the Supplier then performs the necessary qualification and acceptance related activities as per the Project applicable requirements, detailed inside the OTS plan and the equipment specification. The qualification phase ends when the selected OTS Item has reached the Qualification s

48、tatus requested by the Project. The output of this phase is the completed OTS Item Evaluation Dossier that is used to support the OTS Item Qualification status assessment. Procurement of flight units, when the flight hardware is procured separately from the one used for qualification, is then initia

49、ted. BS EN 16602-20-10:2014EN 16602-20-10:2014 (E) 11 Market Investigation 2. OTS item compliance with the PA and Safety applicable project requirements; 3. OTS item compliance versus the function criticality at system level; 4. OTS item testability; 5. OTS item compliance with the interface requirements; 6. OTS item ability to be procured and used without special restrictions; 7. ITAR, exportability, and copyright; 8. Short and long term cost impacts of using the OTS item; 9. Technical, cost and schedule risks in using the OTS item; 10. Availability of OTS item cer

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