ISO-16333-2004.pdf
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1、 Reference number ISO 16333:2004(E) ISO 2004 INTERNATIONAL STANDARD ISO 16333 First edition 2004-08-15 Heavy commercial vehicles and buses Steady-state rollover threshold Tilt-table test method Vhicules utilitaires lourds et autobus Seuil statique de renversement Mthode dessai du plateau inclin ISO
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5、 below. ISO 2004 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 ISOs member b
6、ody 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 copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2004 All rights reserved ISO 16333:2004(E) ISO 2004 All rights reserved iii Contents Page F
7、orewordiv Introduction v 1 Scope1 2 Normative references .1 3 Terms and definitions.1 4 Principle.3 5 Variables 4 6 Measuring equipment.5 7 Test conditions5 8 Test procedure 6 9 Data analysis .9 Annex A (normative) Test report Additional test conditions 13 Annex B (informative) Error sources14 ISO 1
8、6333:2004(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 is normally carried out through ISO technical committees. Each memb
9、er 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 part in the work. ISO collaborates closely with the International Ele
10、ctrotechnical 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 prepare International Standards. Draft International Standards adop
11、ted 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 that some of the elements of this document may be the subject of pate
12、nt rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 16333 was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 9, Vehicle dynamics and road-holding ability. ISO 16333:2004(E) ISO 2004 All rights reserved v Introduction The dynamic
13、behaviour of heavy road vehicles is a most important part of active vehicle safety. Any given heavy commercial vehicle or bus, together with its driver and the prevailing environment, forms a unique closed-loop system. The task of evaluating the dynamic behaviour is therefore very difficult since th
14、ere is a significant interaction between these drivervehicleenvironment elements, each of which is complex in itself. Moreover, insufficient knowledge is available concerning the relationship between overall vehicle-dynamic properties and accident avoidance. Since the number of variants of heavy veh
15、icles is tremendously large, each vehicle is unique. Accordingly, results obtained using this test method apply only to the individual test vehicle and not to other vehicles, regardless of how similar they may appear to be. Test conditions also have a strong influence on test results. Therefore, onl
16、y vehicle-dynamic properties obtained under virtually identical test conditions are comparable to one another. Additionally, this International Standard is limited to the specification of a method for estimating the steady- state rollover threshold of heavy commercial vehicles and buses. While this
17、property is known to be an important component of the dynamic roll stability, it is not the only component. In particular, this document in no way accounts for the advantages that can result from the use of dynamic roll-stability control systems, and cannot alone be considered sufficient to establis
18、h a complete overview of the roll stability of a heavy commercial vehicle or bus. -,-,- INTERNATIONAL STANDARD ISO 16333:2004(E) ISO 2004 All rights reserved 1 Heavy commercial vehicles and buses Steady-state rollover threshold Tilt-table test method 1 Scope This International Standard specifies a t
19、ilt-table test method for estimating the steady-state rollover threshold of a heavy commercial vehicle or bus, i.e. the maximum lateral acceleration that the test vehicle could sustain in steady-state turning without rolling over. It is applicable to complete roll units/combinations of roll-coupled
20、vehicle units e.g. single-unit vehicles, tractorsemitrailer combinations, articulated buses, full trailers, B-train combinations of commercial vehicles, commercial vehicle combinations, buses or articulated buses as defined in ISO 3833, and under Categories M3, N2, N3, O3 and O4 of ECE and EC vehicl
21、e regulations (trucks and trailers with maximum weights above 3,5 t and buses and articulated buses with maximum weights above 5 t). It does not cover transient, vibratory or dynamic rollover situations; nor does it consider the influences of dynamic stability control systems. Furthermore, the quali
22、ty of the estimate of the steady-state rollover threshold provided by the test method decreases as the tilt angle required to produce rollover increases. Even so, the results for heavy vehicles with high rollover thresholds can be used for comparing their relative steady- state roll stability. NOTE
23、For further limitations of the specified test method, see Annex B. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced docu
24、ment (including any amendments) applies. ISO 3833, Road vehicles Types Terms and definitions ISO 8855, Road vehicles Vehicle dynamics and road-holding ability Vocabulary ISO 15037-2:2002, Road vehicles Vehicle dynamics test methods Part 2: General conditions for heavy vehicles and buses 3 Terms and
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