ISO INTERNATIONAL STANDARD 26684 First edition 2015-05-01 Intelligent transport systems (ITS) - Cooperative intersection signal information and violation warning systems (cIwS) Performance requirements and test procedures Systemes intelligents de transport (ITS) - Systemes d'avertissement d'information et de violation du signal d'intersection coopérative (CIwS) - Exigences de performance et modes opératoires d'essai Reference number ISO 26684:2015(E) SO International Organization for Standardization @ IS0 2015 dardization 5956617 ed without license from IHS IS0 26684:2015(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2015 All 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 requested from either ISO at the address below or ISO's member body in the country of the requester. ISOcopyrightoffice Case postale 56:CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland Prganizationfor Standardization Not for Resale, 2015/6/29 09:32:32 networking permitted without license from IHS IS0 26684:2015(E) Contents Page Foreword ..iv Introduction. ... 1 Scope. 2 Normative references 3 Terms and definitions 4 Symbols ..2 5 Classification .3 5.1 System configuration. .3 5.2 System configuration. .3 6 Functional requirements. .4 6.1 CIWwS state diagram. .4 CIWS states .5 6.1.1 6.2 Transition criteria .5 6.2.1 Criterion (1): RSE activation. 6.2.2 Criterion (2): RSE deactivation. 6 6.2.3 Criterion (3): OBE activation. ..6 6.2.4 Criterion (4): OBE deactivation 6 6.2.5 Class II criterion (5): Warning activation . 6 6.2.6 Class II criterion (6): Warning deactivation .6 6.3 Functional requirements of OBE .6 6.3.1 Acquisition of travel direction .6 6.3.2 Acquisition of vehicle position. ..6 6.3.3 Acquisition of vehicle speed 6.3.4 Identification of traffic signal information .6 6.3.5 Judgement of warning necessity and warning contents (Class II) 6.3.6 Timing of warning output. 7 6.3.7 Timing of warning termination. ..7 6.3.8 HMI display contents. 7 6.4 Functional requirements of RSE .7 6.4.1 Data sets.. .7 6.4.2 Communication range .7 6.4.3 Communication delay. .7 6.5 CIwS system performance. .7 6.5.1 System capabilities. 6.5.2 Provision of information 8 6.5.3 Warning threshold for signal violation 1.8 7 Test requirements .9 7.1 Test vehicle. .9 7.2 Test site. 1.9 7.2.1 Environmental conditions ..9 7.2.2 Geometric conditions. .10 7.2.3 RSE location for the systems providing communication only at XAL .10 7.3 Test procedure. .10 7.3.1 Test method. ..10 Bibliography .12 iii see=Zhejiang Institute of Standardization 5956617 ed without license from IHS