LAB PMHS Data : test matrix overview

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1 LAB PMHS Data : test matrix overview

2 LAB PMHS Data : test matrix overview Serie Type Config. Distance Reference LAB_ SLED kn AB SL_1 LAB_ SLED kn AB SL_ LAB_ SLED 6kN SL6_1 LAB_ SLED 6kN SL6_ membrane 13 M13_1 membrane 13 M13_ membrane 78 M78_1 membrane 78 M78_ membrane 18 M18_1 punch-out 5 P5_1 punch-out 5 P5_ Combined 5 C5_1 Combined 5 C5_ LAB_8 Belt load 1 BLT_1 LAB_8 Belt load BLT_ LAB_8 Harness load 1 HRN_1 LAB_8 Harness load HRN_ LAB_8 Impactor IMP_1 LAB_8 airbag Membrane 78 AB_1 LAB_8 airbag Membrane 13 AB_

3 LAB PMHS Data : Sled Tests Serie Type Config. Distance Reference Realistic sled configuration LAB_ LAB_ LAB_ LAB_ SLED SLED SLED SLED kn AB kn AB 6kN 6kN membrane 13 SL_1 SL_ SL6_1 SL6_ M13_1 Comparison of : kn belt load limiting + airbag vs 6kN belt load limiting membrane membrane M13_ M78_1 Duplicated PMHS test membrane 78 M78_ membrane 18 M18_1 punch-out 5 P5_1 punch-out 5 P5_ Combined 5 C5_1 Combined 5 C5_ LAB_8 Belt load 1 BLT_1 LAB_8 Belt load BLT_ LAB_8 Harness load 1 HRN_1 LAB_8 Harness load HRN_ LAB_8 Impactor IMP_1 LAB_8 airbag Membrane 78 AB_1 LAB_8 airbag Membrane 13 AB_

4 LAB PMHS Data : Airbag Tests Serie Type Config. Distance Reference Airbag loading LAB_ LAB_ LAB_ LAB_ SLED SLED SLED SLED kn AB kn AB 6kN 6kN SL_1 SL_ SL6_1 SL6_ Influence of the different phases of the loading (membrane vs punch out vs combined) membrane membrane membrane membrane M13_1 M13_ M78_1 M78_ Influence of the airbag / thorax distance (18, 78, 13 mm) membrane punch-out punch-out M18_1 P5_1 P5_ Duplicated PMHS test Combined 5 C5_1 Combined 5 C5_ LAB_8 Belt load 1 BLT_1 LAB_8 Belt load BLT_ LAB_8 Harness load 1 HRN_1 LAB_8 Harness load HRN_ LAB_8 Impactor IMP_1 LAB_8 airbag Membrane 78 AB_1 LAB_8 airbag Membrane 13 AB_

5 LAB PMHS Data : Gages Tests Serie LAB_ Type SLED Config. kn AB Distance Reference SL_1 Various loading type (belt, harness, impactor, airbag ) LAB_ LAB_ LAB_ SLED SLED SLED kn AB 6kN 6kN SL_ SL6_1 SL6_ Extensive use and analysis of rib gauges membrane 13 M13_1 membrane 13 M13_ membrane 78 M78_1 membrane 78 M78_ membrane 18 M18_1 punch-out 5 P5_1 punch-out 5 P5_ Combined 5 C5_1 Combined 5 C5_ LAB_8 Belt load 1 BLT_1 LAB_8 Belt load BLT_ LAB_8 Harness load 1 HRN_1 LAB_8 Harness load HRN_ LAB_8 Impactor IMP_1 LAB_8 airbag Membrane 78 AB_1 LAB_8 airbag Membrane 13 AB_

6 LAB PMHS Data : test outcomes

7 Sled test Realistic sled configuration Serie Type Config. Distance Reference Comparison of : kn belt load limiting + airbag vs 6kN belt load limiting LAB_ SLED kn AB SL_1 LAB_ SLED kn AB SL_ LAB_ SLED 6kN SL6_1 LAB_ SLED 6kN SL6_

8 Sled test PMHS time histories 6kN kn AB

9 Sled test injury details kn AB 6kN

10 Sled test HIII sternal deflection HIII sternum deflection kN kn+ab 5 6kN kn AB 1

11 Sled test THOR crux deflection 6kN kn AB Upp left right diff. Upper Left Upper Right Lower Left Lower Right Low left right diff

12 Airbag tests

13 Airbag test Airbag loading Serie Type Config. Distance Reference Influence of the different phases of the loading (membrane vs punch out vs combined) membrane membrane membrane membrane M13_1 M13_ M78_1 M78_ Influence of the airbag / thorax distance (18, 78, 13 mm) membrane 18 M18_1 punch-out 5 P5_1 punch-out 5 P5_ Combined 5 C5_1 Combined 5 C5_

14 Airbag test loading phase effect COMPLETE Folded & PUNCH OUT MEMBRANE Unfolded Fabric holes

15 Airbag test distance effect Airbag force = f(distance) 1 (N) (mm)

16 Airbag test Force plate balance right / left upp / low Fz / Fx

17 Airbag test injury details : Membrane configuration Membrane 13mm Membrane 78mm M18_1 No injurie

18 Airbag test injury details : Punch out and complete configuration Punch out Complete

19 Airbag test 1 gage/rib = non censored data!

20 Gages test time histories : Impactor and airbag Various loading type (belt, harness, impactor, airbag ) Extensive use and analysis of rib gauges Serie Type Config. Distance Reference LAB_8 Belt load 1 BLT_1 LAB_8 Belt load BLT_ LAB_8 Harness load 1 HRN_1 LAB_8 Harness load HRN_ LAB_8 Impactor IMP_1 LAB_8 airbag Membrane 78 AB_1 LAB_8 airbag Membrane 13 AB_

21 Gages analysis, methodology Strain values considered regarding two aspects (stapp paper,trosseille & al 8) Space repartition 9% 11% Time evolution milli strain 7% 55% 35% % 1% milli second

22 Gages analysis, space repartition Positive strain = extension = rib cage closing Negative strain = compression = rib cage opening

23 Gages analysis, time evolution Strain profile at various times 1 ms ms 3 ms (Strain) 1% % 1% Mean strain vs space Strain magnitude vs time (Strain) (Strain) 1% % 1% 1 3 (ms)

24 Gages analysis Airbag test subject 1 vs subject AB rib AB rib

25 Gages analysis Airbag test subject 1 vs subject AB rib AB rib...6.8

26 Gages analysis Airbag test subject 1 vs subject AB rib AB rib

27 Gages analysis Airbag test subject 1 vs subject AB rib AB rib

28 Gages analysis Airbag test subject 1 vs subject AB rib AB rib

29 Gages analysis Airbag test subject 1 vs subject AB rib AB rib

30 Gages analysis Airbag test subject 1 vs subject AB rib AB rib

31 Impactor test gages analysis

32 Airbag test gages analysis 59 D ND PI Rib # Left Side CCJ CTJs PE Vert. Right Side CCJ Rib length (mm)

33 Airbag test rib level influence Subject 1 Subject Upper ribs: Rib cage closing AB rib AB rib Lower ribs: Rib cage opening AB rib AB rib

34 Airbag / impactor loading type influence

35 Airbag / impactor loading type influence rib rib

36 Airbag / impactor loading type influence rib rib

37 Airbag / impactor loading type influence rib 5 1 rib

38 Airbag / impactor loading type influence rib 6 1 rib

39 Airbag / impactor loading type influence rib AB rib

40 Airbag / impactor loading type influence rib rib

41 Airbag / impactor loading type influence rib rib

42 Airbag / impactor loading type influence rib 5 Upper ribs Different profiles Loading type? rib 9 Lower ribs Comparable profiles Inertial loading?

43 Impactor test: PMHS vs THOR

44 Impactor test: PMHS vs THOR

45 Impactor test: PMHS vs THOR

46 Impactor test: PMHS vs THOR

47 Impactor test: PMHS vs THOR

48 Impactor test: PMHS vs THOR

49 Impactor test: PMHS vs THOR

50 Impactor test: PMHS vs THOR

51 Impactor test: PMHS vs THOR

52 Impactor test: PMHS vs THOR

53 Impactor test: PMHS vs THOR

54 Impactor test: PMHS vs THOR

55 Impactor test: PMHS vs THOR

56 Impactor test: PMHS vs THOR

57 Impactor test: PMHS vs THOR

58 Impactor test: PMHS vs THOR

59 Impactor test: PMHS vs THOR

60 Impactor test: THOR max strain vs severity

61 Impactor test: THOR max strain vs severity max deflection max strain mm mdef impactor speed impactor speed

62 Ongoing «strain gaged»thor tests Full rib instrumented Static airbag deployment Low severity 3 point belt Low severity point belt

63 Thanks for your attention

64

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