ISO INTERNATIONAL STANDARD 14792 Second edition 2011-03-15 Road vehicles Heavy commercial vehicles and buses Steady-state circular tests Véhicules routiers Vehicules utilitaires lourds et autobus Essais sur trajectoire circulaire en regime permanent Reference number ISO 14792:2011(E) @ISO 2011 by IHS under lic itted without license from IHS Not for Resale ISO 14792:2011(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 shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In 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 parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by Iso member bodies. In COPYRIGHTPROTECTEDDOCUMENT @ ISO2011 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 memberbody in the country of the requester. ISO copyright office Case postale 56. CH-1211 Geneva 20 Tel. + 4122749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO 2011 - All rights reserved I without license from IHS Not for Resale ISO 14792:2011(E) Contents Page Foreword Introduction 1 Scope 2 Normative references.. 3 Test objectives.. 4 Variables and reference system 5 Measuring equipment . 6 Test conditions.. 7 Test procedures. 7.1 General 7.2 Constant radius test 7.3 Constant speed, variable-steer angle test.... 7.4 Common test conditions ... 8 Data analysis 8.1 General.. 8.2 Steering-wheel angle... 8.3 Centripetal acceleration.... 8.4 Curvature of trajectory. 9 Data evaluation and presentation of results . 9.1 General. 9.2 Other evaluations and presentation of results.... Annex A (normative) Test report Presentation of results. 13 Copyright Inteatinal organizaionfar Standardizalion ghts reserved ili Not for Resale