ISO/TS TECHNICAL SPECIFICATION 18506 Firstedition Procedure to construct injury risk curves for the evaluation of occupant protection in crash tests Procedure de construction des courbes de risques pour I'évaluation de la protection des occupants dans les essais de choc Reference number IS0/TS 18506:2014(E) LSO @ IS0 2014 HS under ted without license from IHS Not for Resale IS0/TS 18506:2014(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2014 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form written permission. Permission can be requested from either ISO at the address below or ISO's member body 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 [email protected] Web www.iso.org Published in Switzerland @ IS0 2014 - All rights reserved No reproductic networking permited without license from IHS Not for Resale IS0/TS 18506:2014(E) Contents Page Foreword ..iv 1 Scope .1 2 Terms and definitions 3 Methodology .2 3.1 General 2 3.2 Collecttherelevantdata .2 3.3 Assign the censoring status 2 3.4 Check for single injury mechanism .2 3.5 Estimate the coefficients 3 3.6 Identify overly influential observations 3 3.7 Check the distribution assumption. 3 3.8 Choose the best distribution 3 3.9 Check the validity of the prediction 3 3.10 95 % confidence intervals and its relative size 4 3.11 Qualityindex 3.12 Recommendation of the injury risk curves 4 4 Related electronic documents. .5 Bibliography 6 iii ded by IHS under lic cense with ISC ed without license from IHS Not for Resale