SAE J 2868-2010 Pedestrian Dummy Full Scale Test Results and Resource Materials《行人仿制品全尺寸试验结果资源材料》.pdf
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1、_ SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising there
2、from, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. Copyright 2010 SAE International All rights reserved. No part of this publication m
3、ay be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: +1 724-776-4970 (outside U
4、SA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/j2868_201010SURFACEVEHICLEINFORMATIONREPORTJ2868 OCT2010 Issued 2010-10 Pedestrian Dummy Full S
5、cale Test Results and Resource Materials RATIONALE Not applicable. FOREWORD Worldwide, vehicle impacts with pedestrians constitute the most frequent cause of traffic-related fatalities. With this background, the SAE Human Biomechanics and Simulations Standards Steering Committee formed the Pedestria
6、n Dummy Task Force with the goal of developing initial performance specifications for a pedestrian research crash-test dummy which could be used to study the motions and sequence of body component impacts which lead to pedestrian trauma. Additional uses for such a dummy could also include the: - Stu
7、dy of pedestrian kinematics - Facilitation of crash reconstruction techniques including pedestrian kinematics - Assessment of injury probabilities for given vehicle, crash, and countermeasure combinations - Design of countermeasures - Evaluation of active systems (pop-up hoods, airbags, etc.) - Refi
8、nement of component test parameters and procedures - Validation of computer simulations The primary result of the Pedestrian Dummy Task Force was the preparation of SAE J2782 “Performance Specifications for a Midsize Pedestrian Research Dummy”. During the preparation of SAE J2782, the Task Force int
9、eracted with several key technical reports which, although not included in J2782, can provide helpful background and test and analysis examples for those working with SAE J2782 or otherwise studying pedestrian safety. These documents and information were collected into this SAE Information Report (S
10、AE J2868) by the SAE Pedestrian Dummy Task Force.SAE J2868 Issued OCT2010 Page 2 of 57TABLE OF CONTENTS 1. SCOPE 42. REFERENCES 42.1 Applicable Documents 42.1.1 SAE and Stapp Publications . 42.1.2 ESV Publications . 42.1.3 ISO Publications 52.1.4 SAFE Publication 52.1.5 UMTRI Publication 52.1.6 Othe
11、r Publications . 52.2 Related Publications . 52.2.1 SAE and Stapp Publications . 52.2.2 Government Publications 62.2.3 ESV Publications . 72.2.4 IRCOBI Publications . 72.2.5 Other Publications . 72.3 Definitions . 82.3.1 ARM 82.3.2 FOOT 82.3.3 FOREARM 82.3.4 HAND 82.3.5 IMPACT POINT . 82.3.6 LEG . 8
12、2.3.7 STUB ARM 82.3.8 THIGH . 82.3.9 VALGUS BENDING 82.3.10 VULNERABLE ROAD USERS . 82.4 Symbols, Subscripts and Abbreviations 92.4.1 Abbreviations 92.4.2 Symbols 93. WHOLE BODY KINIMATIC BIOFIDELITY COMPARISONS BETWEEN DUMMY AND PMHS TEST RESULTS . 103.1 Test Procedures 103.1.1 General Test Setup .
13、 103.1.2 Impact Buck Details 103.1.3 Impact Speed 133.1.4 PMHS Pre-Test Position . 133.1.5 High Speed Cameras and Targets . 133.2 Motion Analysis Procedures . 143.2.1 PMHS Phototarget Tracking . 143.2.2 Data Scaling Analysis . 143.2.3 Motion Analysis . 153.3 Corridor Development . 183.3.1 Trajectory
14、 Corridors 183.3.2 Head Velocity Corridor 274. COMPARISONS BETWEEN EXISTING DUMMY TECHNOLOGY PERFORMANCEAND THE SPECIFICATIONS OF SAE J2782 314.1 Anthropometry Performance . 314.2 Biofidelity Performance . 334.2.1 Whole Dummy Response Performance 334.2.2 Body Segment Responses Performance 364.3 Inst
15、rumentation Availability . 394.4 Repeatability and Reproducibility Performance 394.5 Durability Performance 39SAE J2868 Issued OCT2010 Page 3 of 575. NOTES 395.1 Marginal Indicia . 39APPENDIX A TERMS OF REFERENCE OF THE SAE PEDESTRIAN DUMMY TASK FORCE . 40APPENDIX B EXPERT RANKINGS OF BODY REGION PR
16、IORITIES 41APPENDIX C MINUTES OF THE 4TH SUB-GROUP MEETINGS OF THE SAE PEDESTRIAN DUMMY TASK FORCE . 43APPENDIX D POLAR II 50 KM/HR TEST RESULTS . 45APPENDIX E ASYMMETRIC CORRIDOR JUSTIFICATION 46FIGURE 1 GENERAL TEST SETUP 10FIGURE 2 HONDA DETAILS . 12FIGURE 3 VEHICLE BUCK 13FIGURE 4 PMHS HEAD CENT
17、ROID TRAJECTORY AND CORRIDOR 20FIGURE 5 PMHS UPPER SPINE TRAJECTORY AND CORRIDOR 20FIGURE 6 PMHS MID THORAX TRAJECTORY AND CORRIDOR 21FIGURE 7 PMHS PELVIS TRAJECTORY AND CORRIDOR 21FIGURE 8 HEAD CENTROID TRAJECTORY AVERAGE CORRIDOR VS PIECEWISE LINEAR . 22FIGURE 9 UPPER SPINE TRAJECTORY AVERAGE CORR
18、IDOR VS PIECEWISE LINEAR . 22FIGURE 10 MID THORAX TRAJECTORY AVERAGE CORRIDOR VS PIECEWISE LINEAR 23FIGURE 11 PELVIS TRAJECTORY AVERAGE CORRIDOR VS LINEAR . 23FIGURE 12 HEAD CENTROID TRAJECTORY CORRIDOR (IN VEHICLE REFERENCE FRAME) 24FIGURE 13 UPPER SPINE REFERENCE POINT TRAJECTORY CORRIDOR (IN VEHI
19、CLE REFERENCE FRAME) . 25FIGURE 14 MID-THORAX REFERENCE POINT TRAJECTORY CORRIDOR (IN VEHICLE REFERENCE FRAME) . 26FIGURE 15 PELVIS REFERENCE POINT TRAJECTORY CORRIDOR (IN VEHICLE REFERENCE FRAME) 27FIGURE 16 PMHS HEAD VELOCITY 1 SD CORRIDOR 28FIGURE 17 VIRTUAL HEAD WITH RIGID NECK 29FIGURE 18 PMHS
20、VIRTUAL HEAD VELOCITY 1 SD CORRIDOR 29FIGURE 19 FINAL HEAD VELOCITY CORRIDOR AND PIECEWISE LINEAR CORRIDOR . 30FIGURE 20 HEAD CENTROID XZ RESULTANT VELOCITY CORRIDOR (IN VEHICLE REFERENCE FRAME) . 30FIGURE 21 POLAR HEAD TRAJECTORY VS PMHS-BASED CORRIDOR 33FIGURE 22 POLAR UPPER SPINE TRAJECTORY VS PM
21、HS-BASED CORRIDOR 34FIGURE 23 POLAR MID THORAX TRAJECTORY VS PMHS-BASED CORRIDOR 34FIGURE 24 POLAR PELVIS TRAJECTORY VS PMHS-BASED CORRIDOR 35FIGURE 25 POLAR HEAD CENTROID VELOCITY VS PMHS-BASED CORRIDOR . 35FIGURE 26 BASELINE POLAR-II THORACIC RESPONSE IN THE 4.3 M/S LATERAL PENDULUM IMPACT 36FIGUR
22、E 27 MODIFIED POLAR-II THORACIC RESPONSE IN THE 4.3 M/S LATERAL PENDULUM IMPACT 37FIGURE 28 MODIFIED POLAR-II KNEE STIFFNESS 38FIGURE 29 POLAR-II LEG STIFFNESS 38TABLE 1 2004 CIVIC CENTERLINE PROFILE . 11TABLE 2 TEST TYPE, TIME OF HEAD STRIKE, DIGITIZED FRAME CLOSEST TO THE TIME OF HEAD STRIKE AND L
23、AST FRAME DIGITIZED FOR EACH TEST IN THE STUDY . 14TABLE 3 MIDSIZE MALE MOTION REFERENCE LOCATION1)IN THE TEST STRIDING POSITION WITH SHOES (SEE J2782 4.8.4.1.1.1) 16TABLE 4 SCALE FACTORS USED TO SCALE BODY SEGMENT TRAJECTORIES . 16TABLE 5 UNSCALED AND SCALED HEAD STRIKE TIMES FOR EACH BODY REGION I
24、N EACH PMHS TEST AT HEAD STRIKE . 18TABLE 6 HEAD CENTROID TRAJECTORY CORRIDOR 24TABLE 7 UPPER SPINE REFERENCE POINT DISPLACMENT CORRIDOR . 25TABLE 8 MID-THORAX REFERENCE POINT TRAJECTORY CORRIDOR 26TABLE 9 PELVIS REFERENCE POINT TRAJECTORY CORRIDOR 27TABLE 10 HEAD CENTROID XZ RESULTANT VELOCITY CORR
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