NHTSA-part 572 Requirements for WorldSID Onboard DAS
Transcript of NHTSA-part 572 Requirements for WorldSID Onboard DAS
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WorldSID 5th TEG: Status
Informal Dummy Working Group Washington D.C.
Sept. 19, 2012
Dan Rhule Bruce R. Donnelly, Ph.D. - Chair
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History
1st meeting - November 10, 2011, Dearborn, MI. 2nd meeting - January 11, 2012, web only meeting 3rd meeting - March 16, 2012, London, UK 3rd meeting - April 23, 2012, Plymouth, MI 5th meeting - June 14, 2012, Plymouth, MI 6th meeting – July 26, 2012, Plymouth, MI 7th meeting - August 30, 2012, Plymouth, MI 8th meeting – September 28, 2012, Plymouth, MI 9th meeting – TBD – October, Savannah, GA?
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Terms of Reference • Submitted to parent group
E-mail list constructed • 59 participants (approx. 1/4 are active)
Data archive • UVa Colab site (data & presentations)
Collaboration with ISO WG6 • Injury criteria development (CEESAR-Petitjean/Troiselle)
Collaboration with ISO 50th Group • Concurrent meetings
Organization
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Dummy Population
APROSYS 4 Prototype, 1 refurb. TRL Ford 1 SBL B, not updated Transport Canada 1 SBL B, several crash tests NHTSA/VRTC 3 SBL C, evaluation GM 1 SBL C, evaluation Unknown? 3 on order 3 SBL C Total 13 +3 on order
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Testing
Humanetics • certification testing
TC • crash testing
NHTSA/VRTC • Development of scaled biofidelity targets for 5th • biofidelity & certification pendulum testing • Trouble shooting pelvis contact
TRL (EC) • pendulum & sled testing in support of ISO WG 6 injury criteria • biofidelity & trouble shooting (IRTRACC, shoulder, pelvis, abdom./flesh)
OSRP testing - planned • Abdomen rib to pelvis flesh testing
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WorldSID 5th Issues
Durability? • Is 8.9 m/s reasonable?
– Yes, like SID IIs, survival but no measurement – TRL testing indicates IR-Traccs reached max. thorax displacement at
6.3 m/s in rigid, flat wall sled tests Non-reproducibility
• VRTC thorax certification responses among dummies Material changes
• Head, pelvis – ureol, hyperlast (5th & 50th dummies)
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WorldSID 5th Issues
Shoulder contact with neck bracket • Shoulder load cell contact with neck bracket
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WorldSID 5th Issues
Pelvis anterior flesh/abdomen rib #2 interaction • Reduced rib stroke - A problem? OSRP/MCW sled testing planned
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WorldSID 5th Issues
Iliac wing & S-I load cell contact • Redesign necessary
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Schedule
Most issues are manageable, except - Pelvis redesign by HIS expected to take more than
one year! • Little substantive work can be done without pelvis • Sled testing, R&R, pelvis biofidelity & cert. spec. on hold • Injury criteria on hold
TEG is searching for a shorter/better solution • VRTC modifying dummy and testing • Design revision necessary
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Thank you Questions?
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Hip Pocket Slides
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WorldSID 50th Male Shoulder Biofidelity
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Shoulder Response Summary
Shoulder External Response Summary
Test Condition Measurement Response Comparison
(√R) WorldSID ES-2re
NHTSA (Bolte) 4.4 m/s Lateral Pendulum Impact Pendulum Force (kN) 0.87 1.10
NHTSA (Bolte) 4.4 m/s 15º Pendulum Impact
Pendulum Y-axis Force (kN) 1.26 2.96
Pendulum X-axis Force (kN) 0.84 1.96
NHTSA (Bolte) 4.4 m/s 30º Pendulum Impact
Pendulum Y-axis Force (kN) 0.54 3.44
Pendulum X-axis Force (kN) 1.59 1.83
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Shoulder Response Summary
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Shoulder Response Summary
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Shoulder Response Summary
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Shoulder Response Summary
Shoulder Internal Response Summary
Test Condition Measurement Response Comparison
(√R) WorldSID ES-2re
ISO 9790 Shoulder Test 2 7.2 g Sled Test
Peak Horizontal Displacement of T1 Relative to Sled (mm) 0.24 1.47
NHTSA (Bolte) 4.4 m/s Lateral Pendulum Impact
Shoulder Y-axis Displacement (mm) 1.55 1.11
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Shoulder Response Summary
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Shoulder Response Summary