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    BS EN 9300-003-2012 Aerospace series LOTAR Long term archiving and retrieval of digital technical product documentation such as 3D CAD and PDM data Fundamentals and concepts《航空航天系列.pdf

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    BS EN 9300-003-2012 Aerospace series LOTAR Long term archiving and retrieval of digital technical product documentation such as 3D CAD and PDM data Fundamentals and concepts《航空航天系列.pdf

    1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 9300-003:2012Aerospace series LOTAR Long term archiving andretrieval of digital technicalproduct documentation such as3D, CAD and PDM dataPart 003: Fundamentals and concept

    2、sBS EN 9300-003:2012 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 9300-003:2012.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/1, International and European Aerospace Policy andProcesses.A list of organizations represented on

    3、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 British Standards Institution 2012. Published by BSI StandardsLimited 2012ISBN 978 0 580 73887 6ICS

    4、01.110; 35.240.30; 49.020Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 October 2012.Amendments issued since publicationDate Text affectedBS EN 9300-003:2012EU

    5、ROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 9300-003 September 2012 ICS 01.110; 35.240.30; 49.020 English Version Aerospace series - LOTAR - Long term archiving and retrieval of digital technical product documentation such as 3D, CAD and PDM data - Part 003: Fundamentals and concepts Srie aro

    6、spatiale - LOTAR - Archivage long terme et rcupration des donnes techniques produits numriques, telles que CAD D et PMD - Partie 003: Fondamentaux et concepts Luft- und Raumfahrt - LOTAR - Langzeit-Archivierung und -Bereitstellung digitaler technischer Produktdokumentationen, wie zum Beispiel von 3D

    7、-, CAD- und PDM-Daten - Teil 003: Grundlagen und Konzepte This European Standard was approved by CEN on 10 March 2011. CEN 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

    8、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 member. This European Standard exists in three official versions (English, French, German). A version in any other lang

    9、uage made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmar

    10、k, Estonia, Finland, Former 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 United Kingdom. EUROPEAN COMMITTEE F

    11、OR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 9300-003:2012: EBS EN 9300-003:2012EN 9300-0

    12、03:2012 (E) 2 Contents Page Foreword 41 Scope 52 Normative references 53 Terms, definitions and abbreviations 64 Major differences of terms 64.1 Introduction 64.1.1 General 64.1.2 Invariance . 64.1.3 Objectives for keeping digital data 64.1.4 Length of time of keeping data. 74.1.5 Stored Form 74.2 T

    13、erminology . 84.2.1 General 84.2.2 Product information model . 84.2.3 Product model 94.2.4 Business Application 94.2.5 Retention 104.2.6 Long Term Archiving .104.3 Scope of EN 9300 .114.4 Relation to Legal Admissibility Standards 125 Applicability136 Overview of referenced standards .136.1 General 1

    14、36.2 Introduction to OAIS ISO 14721 .136.2.1 General 136.2.2 The OAIS Environment 146.2.3 The OAIS model .146.3 Introduction to ISO 10303 .156.3.1 General 156.3.2 ISO 10303-203:1994 and Edition 2 draft, Configuration controlled 3D designs of mechanical parts and assemblies176.3.3 ISO 10303-214:2001

    15、and ISO 10303-214:2003, Core Data for Automotive Mechanical Design Processes 176.3.4 ISO 10303-233, System engineering data representation .186.3.5 ISO 10303-209:2001, Composite and metal structural analysis and related design.186.3.6 ISO 10303-237, Computational fluid dynamics .186.3.7 ISO 10303-21

    16、0:2001 and Edition 2 draft, Electronic assembly, interconnect and packaging design .186.3.8 ISO 10303-212:2001, Electro technical design and installation 187 Fundamentals and concepts 187.1 Overview .187.2 Processes .207.3 Data .207.3.1 Archiving Product Models vs. Archiving Documents 207.3.2 Data c

    17、ontent .227.3.3 Data formats .247.3.4 Archiving approach for complex product models .257.3.5 Data quality assurance 25BS EN 9300-003:2012EN 9300-003:2012 (E) 3 7.3.6 Process phases and cycles 277.4 Mapping approach onto physical data representations 307.5 Fundamentals for testing the LOTAR process a

    18、nd components . 317.6 System Architecture Framework . 338 Description methods . 33BS EN 9300-003:2012EN 9300-003:2012 (E) 4 Foreword This document (EN 9300-003:2012) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and vote

    19、s carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of ASD, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, ei

    20、ther by publication of an identical text or by endorsement, at the latest by March 2013, and conflicting national standards shall be withdrawn at the latest by March 2013. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or

    21、 CENELEC shall not be held responsible for identifying any or all such patent rights. This standard was prepared jointly by ASD-STAN and the PROSTEP iViP Association. The PROSTEP iViP Association is an international non-profit association in Europe. For establishing leadership in IT-based engineerin

    22、g it offers a moderated platform to its nearly 200 members from leading industries, system vendors and research institutions. Its product and process data standardization activities at European and worldwide levels are well known and accepted. The PROSTEP iViP Association sees this standard and the

    23、related parts as a milestone of product data technology. Users should note that all standards undergo revision from time to time and that any reference made herein to any other standard implies its latest edition, unless otherwise stated. According to the CEN/CENELEC Internal Regulations, the nation

    24、al standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithu

    25、ania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 9300-003:2012EN 9300-003:2012 (E) 5 1 Scope This European Standard defines basic terms, e.g. Long Term Archiving and Retention and identifies

    26、the context and scope of EN 9300. The section Fundamentals describes the basic concepts and approaches of EN 9300 and referenced related standards. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its applicati

    27、on. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 9103, Aerospace series Quality management systems Variation management of key characteristics EN 9300-007*, Aerospace series LOTAR Lo

    28、ng Term Archiving and Retrieval of digital technical product documentation such as 3D, CAD and PDM data Part 007: Terms and references 1)ISO 10303-203:1994 and Edition 2 draft, Industrial automation systems and integration Product data representation and exchange Part 203: Application protocol: Conf

    29、iguration controlled 3D designs of mechanical parts and assemblies ISO 10303-209:2001, Industrial automation systems and integration Product data representation and exchange Part 209: Application protocol: Composite and metallic structural analysis and related design ISO 10303-210:2001, Industrial a

    30、utomation systems and integration Product data representation and exchange Part 210: Application protocol: Electronic assembly, interconnection, and packaging design ISO 10303-212:2001, Industrial automation systems and integration Product data representation and exchange Part 212: Application proto

    31、col: Electrotechnical design and installation ISO 10303-214:2001 and ISO 10303-214:2003, Industrial automation systems and integration Product data representation and exchange Part 214: Application protocol: Core data for automotive mechanical design processes ISO/DIS 10303-233, Industrial automatio

    32、n systems and integration Product data representation and exchange Part 233: Systems engineering data representation1)ISO 10303-237, Industrial automation systems and integration Product data representation and exchange Part 237, Application protocol: Fluid dynamics1)ISO 14721, Space data and inform

    33、ation transfer systems Open archival information system Reference model ARP9034, A Process Standard for the Storage, Retrieval and Use of Three-Dimensional Type Design Data BP 0008, Code of Practice for Legal Admissibility and Evidential Weight of Information Stored electronically *And all parts quo

    34、ted in this standard. 1) In preparation at the date of publication of this standard. BS EN 9300-003:2012EN 9300-003:2012 (E) 6 3 Terms, definitions and abbreviations For the purposes of this document, the terms, definitions and abbreviations given in EN 9300-007 apply. 4 Major differences of terms 4

    35、.1 Introduction 4.1.1 General Different user communities have different definitions for long term archiving and retention. This clause explains the major differences of both terms and their relation to the scope of EN 9300. Companies within the aerospace industry need to keep data to fulfil business

    36、, certification and legal requirements. For modern definitions this data is usually digital. These requirements lead to four main areas of consideration regarding the retention of digital data. Invariance: how important is it to ensure that digital data is not altered Objectives: why keeping of digi

    37、tal data is required Length of time: the required length of time for retaining digital data Stored Form: the stored format of the digital data The following subchapters consider these questions for long term archiving and retention and are the basis for the scope definition of EN 9300. The scope of

    38、EN 9300 is a combination of aspects from long term archiving and retention. 4.1.2 Invariance Invariance covers the need to ensure that the information has not changed and so provide evidential weight that the design intent has not changed, see Figure 13. Three categories can be distinguished: Audita

    39、ble where validation methods and test suites ensure that information cannot be changed without the change being detected. Implicit where the system is designed to prevent changes. The system must supervise activities which would result in changes of the digital data. The supervision, for example, co

    40、uld be realized within a separate write-protected vault. The proof of “no change“ is shown by an absence of change having been recorded AND that by showing that the system itself is reliable. Not required where changes to data are not explicitly controlled. Of the three, auditable invariance is the

    41、strongest, and is likely to be the most suitable where the information is used in legal proceedings. 4.1.3 Objectives for keeping digital data For digital data, the challenge is that the data are often stored in a proprietary, native format and will most likely become not interpretable after a time.

    42、 The use of a neutral archiving data format safeguards the interpretability of the stored data for a much longer time, perhaps for the entire retention period. EN 9300 recommends the use of standard formats for long term archiving rather than native formats, accompanied by regular and frequent migra

    43、tions of storage media and, if necessary, of data format. Because a data migration may lead to data loss, usually time stamps and digital signatures (which are used ensuring the integrity and immutability of archived data/ data packages) have to be renewed. The use of auditable archiving and retriev

    44、al processes ensures the data readability and integrity within current and future systems. BS EN 9300-003:2012EN 9300-003:2012 (E) 7 The objectives for keeping the data are distinguished into two major subcategories: Legal requirements/certification requirements, such as for proof of technical docum

    45、entation for actions in law. Business requirements, such as keeping knowledge. Within the two subcategories EN 9300-003 offers four characteristics which describe the objectives in more detail: To preserve the original data (generated by a source system) so that it can be used as evidence of what da

    46、ta was at a particular date. This characteristic fits with the subcategory legal requirement To keep data available to new users over the period for which it is kept. This characteristic fits with the subcategories legal requirement and business requirement. To be able to preserve the source of the

    47、kept data. This characteristic fits with the subcategory business requirement. To be able to reuse the data, for example, by modifying design data to meet new requirements. This characteristic fits with the subcategory business requirement. 4.1.4 Length of time of keeping data The life cycle of soft

    48、ware and hardware is relatively short compared to the life cycle of aircraft. The life cycle of digital data can be described in terms of software versions and generations. The release of a new software version within a generation general alters only a small part of the functionalities of the softwa

    49、re without affecting the data format. A generation change occurs when the software used changes substantially, for example, to a new architecture. The change of a generation may result in new data formats. Currently, for CAD software, the period between versions is of the order of 6 months to 12 months, while between generations is of the order of 3 years to10 years. This should be compared


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