BS ISO 13381-1-2015 Condition monitoring and diagnostics of machines Prognostics General guidelines《机器的工况监测和诊断 预诊断 总则》.pdf
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1、BSI Standards PublicationBS ISO 13381-1:2015Condition monitoring anddiagnostics of machines PrognosticsPart 1: General guidelinesBS ISO 13381-1:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 13381-1:2015.It supersedes BS ISO 13381-1:2004 which is withdraw
2、n.The UK participation in its preparation was entrusted to TechnicalCommittee GME/21/7, Mechanical vibration, shock and conditionmonitoring - Condition monitoring.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to inc
3、lude all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 80980 4ICS 17.160Compliance with a British Standard cannot confer immunity fromlegal obligations.This British
4、 Standard was published under the authority of theStandards Policy and Strategy Committee on 31 October 2015.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS ISO 13381-1:2015 ISO 2015Condition monitoring and diagnostics of machines Prognostics Part 1: General guidelinesSu
5、rveillance et diagnostic des machines Pronostic Partie 1: Lignes directrices gnralesINTERNATIONAL STANDARDISO13381-1Second edition2015-09-15Reference numberISO 13381-1:2015(E)BS ISO 13381-1:2015ISO 13381-1:2015(E)ii ISO 2015 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2015, Published in Swit
6、zerlandAll rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be re
7、quested from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCh. de Blandonnet 8 CP 401CH-1214 Vernier, Geneva, SwitzerlandTel. +41 22 749 01 11Fax +41 22 749 09 47copyrightiso.orgwww.iso.orgBS ISO 13381-1:2015ISO 13381-1:2015(E)Foreword ivIntr
8、oduction v1 Scope . 12 Normative references 13 Terms and definitions . 14 Data requirements . 35 Prognosis concepts. 45.1 Basic concepts . 45.2 Influence factors 55.3 Trending, setting alert, alarm, and trip (shutdown) limits . 75.4 Multiple parameter analysis 95.5 Initiation criteria 105.6 Prognosi
9、s of failure mode initiation 116 Failure and deterioration models used for prognostics .126.1 Failure mode behaviour modelling concepts 126.2 Modelling types . 137 Generic prognosis process 137.1 Prognosis confidence levels 137.2 Prognosis process 147.2.1 General. 147.2.2 Pre-processing 147.2.3 Exis
10、ting failure mode prognosis process 157.2.4 Future failure mode prognosis process 157.2.5 Post-action prognosis .157.3 Prognosis report . 16Annex A (normative) Condition monitoring flow chart .17Annex B (informative) Example prognosis confidence level determination .18Annex C (informative) Failure m
11、odelling techniques 19Bibliography .21 ISO 2015 All rights reserved iiiContents PageBS ISO 13381-1:2015ISO 13381-1:2015(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International S
12、tandards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, als
13、o take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. I
14、n particular the different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).Attention is drawn to the possibility that some of the element
15、s of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (
16、see www.iso.org/patents).Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence
17、 to the WTO principles in the Technical Barriers to Trade (TBT) see the following URL: Foreword - Supplementary informationThe committee responsible for this document is ISO/TC 108, Mechanical vibration, shock and condition monitoring, Subcommittee SC 5, Condition monitoring and diagnostics of machi
18、ne systems.This second edition cancels and replaces the first edition (ISO 13381-1:2004), which has been technically revised.ISO 13381 consists of the following parts, under the general title Condition monitoring and diagnostics of machines Prognostics: Part 1: General guidelinesThe following parts
19、are planned: Part 2: Performance based approaches Part 3: Cyclic-driven life usage techniques Part 4: Useful-life-remaining prediction modelsiv ISO 2015 All rights reservedBS ISO 13381-1:2015ISO 13381-1:2015(E)IntroductionThe complete process of machine condition monitoring consists of five distinct
20、 phases: detection of problems (deviations from normal conditions); diagnosis of the faults and their causes; prognosis of future fault progression; recommendation of actions; post-mortems.Machine health prognosis demands prediction of future machine integrity and deterioration so there can be no ex
21、actitude in the process. Instead, prognosis requires statistical or testimonial approaches to be adopted. Standardization in machine health prognosis therefore embodies guidelines, approaches, and concepts rather than strict procedures or standard methodologies.Prognosis of future fault progressions
22、 requires foreknowledge of the probable failure modes, future duties to which the machine will or might be subjected, and a thorough understanding of the relationships between failure modes and operating conditions. This may require an understanding of the physics underlying the fault modes and dema
23、nd the collection of previous duty and cumulative duty parameters, previous maintenance history, inspection results, run-to-failure data, trajectories and associated operational data, along with condition and performance parameters prior to extrapolations, projections and forecasts.Prognosis process
24、es need to be able to accommodate analytical damage models.As computing power increases, and data storage decreases in cost, multiple-parameter analysis becomes more complex and modelling becomes more sophisticated. Thus, the ability to predict the progression of damage accumulation is achievable if
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