BS ISO 13379-1:2012 BSl Standards Publication Condition monitoring and diagnostics of machines - Data interpretation and diagnostics techniques Part 1: General guidelines bsi. ..making excellence a habit: BSISO 13379-1:2012 BRITISH STANDARD National foreword This British Standard is the UK implementation of IS0 13379-1:2012. Together with BS ISO 13379-2 and BS ISO 13379-3, it supersedes BS ISO 13379:2003, which will be withdrawn on publication of BS IS0 13379-2 and BS ISO 13379-3. The UK participation in its preparation was entrusted to Technical CommitteeGME/21/7,Mechanicalvibration,shock and condition monitoring - Condition monitoring. A list of organizations represented on this committee 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. @The British Standards Institution 2012.Published by BSI Standards Limited 2012 ISBN9780580660108 ICS 17.160 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 May 2012. Amendments issued sincepublication Date Textaffected BS ISO 13379-1:2012 INTERNATIONAL ISO STANDARD 13379-1 First edition 2012-05-01 Condition monitoring and diagnostics of machines Data interpretation and diagnostics techniques Part 1: General guidelines Surveillance et diagnostic d'etat des machines-Interpretation des donnees ettechniquesdediagnostic- Partie1:Lignes directrices générales Reference number ISO 13379-1:2012(E) @ ISO 2012 BS ISO 13379-1:2012 ISO13379-1:2012(E) COPYRIGHTPROTECTEDDOCUMENT ISO 2012 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56 : CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland ii @IsO2012-Allrightsreserved BS ISO13379-1:2012 ISO 13379-1:2012(E) Contents Page Foreword Introduction 1 Scope. 2 Normative references. 3 Terms and definitions. 4 Conditionmonitoringset-upand diagnostics requirements 4.1 Role ofdiagnostics in operation and maintenance 4.2 Establishingdiagnosticsneeds.. 4.3 Failuremodesymptomsanalysis 4.4 Diagnosticsrequirementsreport. 5 Elementsusedfordiagnostics 5.1 Condition monitoring data 6 5.2 Machine data.. 8 5.3 Machine history 6 Diagnosticapproaches. 9 6.1 Twotypesofapproaches 9 6.2 Generalguidelinesforthe selectionof appropriatediagnostic approaches 9 6.3 Data-driven approaches 10 6.4 Knowledge-basedapproaches.. 14 6.5 Confidencefactordetermination. .18 Annex A (informative) Failure modeand symptoms analysis (FMSA). 20 AnnexB (informative)Effectivenessof thediagnosticssystem.. .23 Annex C (informative)Comparativeanalysis ofdiagnosticmodels. ..25 AnnexD (informative)Most commonly used diagnostic modelsby monitoringtechnique ..26 Annex E(informative) Exampleof diagnostic report.. 27 AnnexF(informative)Example of causal tree modelling:bearing spalling. ..30 AnnexG (informative)Exampleofdiagnosisconfidenceleveldetermination. .32 Bibliography.. ii @ISO 2012-All rights reserved BS ISO13379-1:2012 ISO13379-1:2012(E) Foreword non-governmental, in liaison with isO, also take part in the work. IsO collaborates closely with the International Electrotechnical Commission (IEC)on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an I