ISO/TS TECHNICAL SPECIFICATION 20458 First edition 2023-07 Road vehicles Design and performance specifications for advanced Pedestrian Legform Impactor (aPLI) Vehicules routiers - Spécifications de conception et de performance pour I'impacteur en forme de jambe de piéton (aPLI) Reference number IS0/TS 20458:2023(E) so @ IS0 2023 IS0/TS20458:2023(E) COPYRIGHT PROTECTED DOCUMENT @IS02023 All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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. ISO copyright office CP 401 · Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +4122 749 0111 Email: [email protected] Website: www.iso.org Published in Switzerland ii @IS0 2023 - All rights reserved IS0/TS 20458:2023(E) @ Contents Page Foreword ..V Introduction. .. vi 1 Scope. 2 Normative references 3 Terms and definitions 4 Abbreviated terms 5 Mechanical requirements for an aPLI .7 5.1 Uppermass .7 5.1.1 General description. ..7 5.1.2 Drawings and specifications 1 5.1.3 Compliant material specifications 5.1.4 Certification. .9 5.2 Lowerlimb ..9 5.2.1 General description. .9 5.2.2 Drawings and specifications 10 5.2.3 Compliant material specifications .12 5.2.4 Certification ..13 5.3 Flesh and skin assembly .14 5.3.1 General description. 14 5.3.2 Drawings and specifications 5.3.3 Compliant material specifications .14 5.3.4 Certification.. .18 5.4 Full assembly .18 5.4.1 Generaldescription .18 5.4.2 Drawings and specifications ..18 5.4.3 Certification. 19 6 Certification test procedure ..19 6.1 Uppermass .. 19 6.1.1 Hip joint 19 6.2 Lowerlimb 23 6.2.1 Femur bone assembly 23 6.2.2 Tibia bone assembly 26 6.2.3 Femur assembly 29 6.2.4 Knee assembly 32 6.2.5 Tibia assembly .36 6.3 Full assembly... 40 6.3.1 Full-assembly test setup .40 6.4 Certification timing.. ..44 6.5 Assessment interval for vehicle tests .44 7 Electronic subsystems requirements .45 7.1 Required sensors. .45 7.1.1 General 45 7.1.2 Locations and specifications .45 7.1.3 Sensor specifications and mass .45 7.2 Permissible sensors. .49 7.2.1 General ..49 7.2.2 Locations and specifications .49 7.2.3 Sensor specifications and mass 50 7.3 Required internal data acquisition system (DAS) 52 7.3.1 General 52 7.3.2 Data acquisition system characteristics. 52 7.3.3 DAS mass and location. 52 @ IS0 2023 - All rights reserved iii IS0/TS20458:2023(E) 8 User's manual. .52 8.1 Requirements .52 8.1.1Disassembly and assembly 52 Annex A (informative) Rationale regarding background and goals for aPLI .54 Annex B (informative) Rationale regarding performance of aPLI 108 Annex C (informative) Assessment interval for vehicle tests. 121 Annex D (informative) Outer contour of the struck side of the bony structure 135 Annex E (informative) Biofidelity and injury assessment capability evaluation data .138 Annex F (informative) Repeatability and reproducibility data 203 Annex G (informative) Durability assessment data .205 Annex H (informative) Parts list .208 Annex I (normative) Drawings and specifications, PDF and/or STP files .213 AnnexJ (informative) Information regarding sensor output polarities .214 Annex K (normative) Procedures for disassembling and assembling aPLI .218 Annex L (normative) Fastener torque values. .228 Annex M (informative) Overview of an exemplar required internal DAs .229 Annex N (informative) Recommended aPLI general practices. 232 Annex O (informative) Assessment procedure for dynamic test equipment .234 Annex P (informative) Validation results of aPLI models (A, C, E, F) against hardware 236 Annex Q (informative) Exemplar of aPLI hip joint certification test rig .246 Bibliography 247 iv @ IS0 2023 - All rights reserved IS0/TS20458:2023(E) Forewor