ISO-13381-1-2004.pdf
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1、 Reference number ISO 13381-1:2004(E) ISO 2004 INTERNATIONAL STANDARD ISO 13381-1 First edition 2004-11-01 Condition monitoring and diagnostics of machines Prognostics Part 1: General guidelines Surveillance et diagnostic des machines Pronostic Partie 1: Lignes directrices gnrales Copyright Internat
2、ional Organization for Standardization Provided by IHS under license with ISO Licensee=Hong Kong Polytechnic Univ/9976803100 Not for Resale, 04/17/2007 10:07:50 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 13381-1:2004(E) PDF disclaimer This PDF file may contain embe
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5、were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. ISO 2004 All rights reserved. Unless otherwise spec
6、ified, 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 ISOs member body in the country of the requester. ISO copyright office C
7、ase postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2004 All rights reserved Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Hong Kong Polytechni
8、c Univ/9976803100 Not for Resale, 04/17/2007 10:07:50 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 13381-1:2004(E) ISO 2004 All rights reserved iii Contents Page Forewordiv Introduction v 1 Scope1 2 Normative references .1 3 Terms and definitions.1 4 Pre-requisite da
9、ta required 2 5 Prognosis concepts3 5.1 Basic concepts3 5.2 Influence factors .5 5.3 Setting alert, alarm and trip (shut-down) limits .6 5.4 Multiple parameter analysis.8 5.5 Initiation criteria 10 5.6 Prognosis of failure mode initiation11 6 Failure and deterioration models used for prognostics .12
10、 6.1 Modelling concepts for failure mode behaviour12 6.2 Modelling types.13 7 Generic prognosis process13 7.1 Prognosis confidence levels .13 7.2 Prognosis process13 8 Prognosis report .15 Annex A (normative) Condition monitoring flowchart .16 Annex B (normative) Example of the determination of the
11、confidence level of a prognosis.17 Annex C (informative) Failure modelling techniques .18 Bibliography .20 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Hong Kong Polytechnic Univ/9976803100 Not for Resale, 04/17/2007 10:07:50 MDTNo reproduc
12、tion or networking permitted without license from IHS -,-,- ISO 13381-1:2004(E) iv ISO 2004 All rights reserved Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards
13、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, also take pa
14、rt 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/IEC Directives, Part 2. The main task of technical committees is to
15、prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility th
16、at some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 13381-1 was prepared by Technical Committee ISO/TC 108, Mechanical vibration and shock, Subcommittee SC 5, Condition monitoring and diagn
17、ostics of machines. ISO 13381 consists of the following parts, under the general title Condition monitoring and diagnostics of machines Prognostics: Part 1: General guidelines Future parts are under preparation and are intended to outline modelling methods and techniques applicable to prognostics. C
18、opyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Hong Kong Polytechnic Univ/9976803100 Not for Resale, 04/17/2007 10:07:50 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 13381-1:2004(E) ISO 2004 All rights reserved
19、 v Introduction The complete process of machine condition monitoring consists of five distinct phases, as follows: detection of problems (deviations from normal conditions); diagnosis of the faults and their causes; prognosis of future fault progression; recommendation of actions; post-mortems. As f
20、ar as the prognosis of machine health is concerned (which demands prophecies of future machine integrity and deterioration), there can be no exactitude in the process requiring statistical or testimonial approaches to be adopted. Standardization in prognosis of machine health therefore embodies guid
21、elines, approaches and concepts rather than procedures or standard methodologies. Prognosis of future fault progressions requires foreknowledge of the probable failure modes, future duties to which the machine will/might be subjected, and a thorough understanding of the relationships between failure
22、 modes and operating conditions. This can demand the collection of previous duty and cumulative duty parameters, along with condition and performance parameters, prior to extrapolations, projections and forecasts. Also, there are a growing number of models for damage initiation and damage progressio
23、n. Prognosis processes need to accommodate these and future analytical damage models. As computing power increases and multiple parameter analysis becomes a reality, the ability to predict the initiation of a failure mode is not inconceivable if the initiation criteria, expressed as a set of paramet
24、er values for a given mode, are known as well as their future behaviour for a given set of conditions. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Hong Kong Polytechnic Univ/9976803100 Not for Resale, 04/17/2007 10:07:50 MDTNo reproduction
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