BS ISO BRITISH STANDARD 11012:2009 Heavy commercial vehicles and buses Open-loop test methods for the quantification of on-centre handling - Weave test and transition test ICS 43.080.01; 43.080.20 BSi NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards BSISO11012:2009 National foreword This British Standardis theUK implementation ofIS011012:2009 The UK participation in its preparation was entrusted to Technical CommitteeAUE/15, Safetyrelated tovehicles. Alist 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. Compliance with a British Standard cannot confer immunity fromlegal obligations. This British Standard Amendments/corrigendaissuedsincepublication was published under the authority of the Standards Policy and Date Comments Strategy Committee on 30 November 2009 BSI 2009 ISBN9780 580 64528 0 BS IS0 11012:2009 ISO INTERNATIONAL STANDARD 11012 First edition 2009-09-15 Heavy commercial vehicles and buses Open-loop test methods for the quantification of on-centre handling - Weave test and transition test Vehicules utilitaires lourds et autobus-Methode d'essai en boucle ouvertepourmesurerlatenuederouteen ligne-Essaide changement detrajectoire etessai transitoire Reference number ISO 11012:2009(E) @ISO 2009 BSISO11012:2009 ISO11012:2009(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHTPROTECTED DOCUMENT ISO 2009 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 so at the address below or ISO copyright office Case postale 56.CH-1211Geneva 20 Tel. + 41 22 749 0111 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland ii @ ISO 2009All rights reserved BSISO11012:2009 ISO11012:2009(E) Contents Page Foreword. iv Introduction. 1 Scope. 2 Normative references.. 3 Terms,definitionsandsymbols 3.1 Terms and definitions. 3.2 Symbols.... 4 Principle . 5 Variables. 5.1 Referencesystem 5.2 Variables.. 6 Measuring equipment. 7 Test conditions 8 8.1 General, 8.2 Warm-up. 8.3 Initial driving condition. 8.4 Weavetest procedure 8.5 Transitiontestprocedure. 9 Data evaluation and presentation of results.... 9.1 9.2 Time histories ... 9.3 Characteristicvaluesfortheweavetest 9.4 Characteristicvaluesforthetransitiontest.. Annex A (normative)Test reportGeneral data and test conditions... Annex B (informative) Calculating the time delay from sinusoidal data. 2 Bibliography. @ ISO 2009 -All rights reserved ili BSISO11012:2009 ISO11012:2009(E) 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 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 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 avote. rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO11012waspreparedbyTechnicalComm