ISO/TR TECHNICAL REPORT 16250 First edition 2013-07-15 Road vehicles Objective rating metrics for dynamic systems Vehicules routiers - Mesures pour I'evaluation objective des systemes dynamiques Reference number ISO/TR 16250:2013(E) ISO @IS02013 No reproduction or networking permitted without license from IHS Not for Resale IS0/TR 16250:2013(E) COPYRIGHT PROTECTED DOCUMENT @IS02013 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 2013 - All rights reserved Not for Resale IS0/TR 16250:2013(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Terms and definitions 3 Symbols and abbreviated terms 3.1 General abbreviated terms. .1 3.2 General symbols and subscripts 3.3 CORA .2 3.4 EARTH and EEARTH. ..3 3.5 Model reliability metric 4 3.6 Bayesian confidence metric. ..5 3.7 Overall ISO rating. ..5 4 General requirements to the data ..5 5 CORA metric .6 5.1 Corridor rating 5.2 Cross-correlation rating 5.3 Step-by-step procedure .. 10 6 EARTH metric. ..11 6.1 EARTH phase score. .12 6.2 EARTH magnitude score .13 6.3 EARTH slope score. ..14 6.4 Overall EARTH score. .15 6.5 Step-by-step procedure ..15 7 Model reliability metric ..16 8 Bayesian confidence metric ..16 9 ISO metric ..18 9.1 CORA corridor method .18 9.2 EEARTH method .18 9.3 Calculation of the overall ISO rating .23 9.4 Meaning of the objective rating score .24 10 Pre-processing of the data. .24 10.1 Sampling rate. 25 10.2 Filtering 25 10.3 Interval of evaluation ..25 11 Limitations. .26 11.1 Type of signals. 26 11.2 Metrics validation. .26 11.3 Meaning of the results 26 11.4 Multiple responses. ..27 Annex A (informative) Child restraint example ..28 Annex B (informative) Sled test example .46 Annex C (informative) Case studies ..51 Bibliography .65 opyrtnematonalnadizarights reerved ii No reproduction or networking permitted without license from IHS ded by IHS under lic cense with ISt Not for Resale