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NPACS Dummy Design

NPACS Dummy Design. N. Rangarajan, B. Seck GESAC, Inc H. Goerlitz Stiftung Warentest S. Kerbl ÖAMTC. Presentation Outline. Project organisation Project objectives Design of small 3-year old dummy. Project Organisation. Project Organisation. Project sponsored by NPACS committee

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NPACS Dummy Design

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  1. NPACS Dummy Design N. Rangarajan, B. Seck GESAC, Inc H. Goerlitz Stiftung Warentest S. Kerbl ÖAMTC GESAC, Inc

  2. Presentation Outline • Project organisation • Project objectives • Design of small 3-year old dummy GESAC, Inc

  3. Project Organisation GESAC, Inc

  4. Project Organisation • Project sponsored by NPACS committee • Development contract monitored by ÖAMTC • Funded by customers GESAC, Inc

  5. Project Objectives GESAC, Inc

  6. Project Objectives • NPACS needs to develop a unique and consistent methodology to test and report on child restraints • The prototypes initially designed by Kiel university need improvement in mass, and manageability • Henry, Stefan : please put in a couple of slides here GESAC, Inc

  7. Project Objectives • Design six sizes of child manikins for evaluating and testing child restraint systems • Meet European anthropometric shape requirements for each size GESAC, Inc

  8. Project Objectives • Deliver small 3-year old dummy in December, 2006 for comments by customers • Customer evaluation to be coordinated by ÖAMTC • Deliver all other dummies by 1st quarter, 2007 GESAC, Inc

  9. Dummy Sizes GESAC, Inc

  10. Family Photo GESAC, Inc

  11. Design Requirements • Use commercially available, standard fasteners • Design scalable dummies • Allow for simple assembly and disassembly • Dummies should be robust and easy to handle GESAC, Inc

  12. Design Requirements • Dummies to have anthropometrically correct shapes and masses, including segment masses • Dummies to have “human-like” range of motion • Weight of the 150 cm dummy to be limited to 20 kg GESAC, Inc

  13. Design Requirements • Allow for simple assembly and disassembly • Dummies should be robust and easy to handle GESAC, Inc

  14. Design of small 3-year old dummy GESAC, Inc

  15. Sources of Data • Biomechanical bases for CRABI and Hybrid III child dummies. 41st Stapp conference. • Anthropometry of US infants and children. SAE publication SP 394. GESAC, Inc

  16. Small 3 – Year Old Dummy anthropometry GESAC, Inc

  17. Small 3 – Year Old Dummy anthropometry - Head GESAC, Inc

  18. Small 3 – Year Old Dummy anthropometry - Torso GESAC, Inc

  19. Small 3 – Year Old Dummy anthropometry - Torso GESAC, Inc

  20. Small 3 – Year Old Dummy anthropometry - Torso GESAC, Inc

  21. Small 3 – Year Old Dummy anthropometry - Legs GESAC, Inc

  22. Small 3 – Year Old Dummy anthropometry - Arms GESAC, Inc

  23. Small 3 – Year Old Dummy anthropometry - Arms GESAC, Inc

  24. Small 3 – Year Old Dummy Range of Motion GESAC, Inc

  25. Assembled Dummy GESAC, Inc

  26. Skeletal Assembly GESAC, Inc

  27. Material Specifications • Vinyl and foam flesh. • Flesh feels “human like”. • Skeleton fabricated out of commercially available parts. GESAC, Inc

  28. Degrees of Freedom at Major Joints 3 • Shoulder joint (3 degrees of freedom). • Hinge: abduction, adduction. • Pivot: flexion, extension. • Pivot: lateral and medial rotations. 1 2 GESAC, Inc

  29. Degrees of Freedom at Major Joints (Continued) • Knee and elbow joints (1 degree of freedom). • Hinge: flexion, extension. GESAC, Inc

  30. Degrees of Freedom at Major Joints (Continued) • Hip joint (2 degrees of freedom). • Hinge: abduction, adduction. • Pivot: flexion, extension. 1 2 GESAC, Inc

  31. Head Insert GESAC, Inc

  32. Cervical Spine Assembly GESAC, Inc

  33. Clavicle shoulder assembly GESAC, Inc

  34. Shoulder Assembly GESAC, Inc

  35. Thoracic Spine Assembly GESAC, Inc

  36. Pelvis Assembly GESAC, Inc

  37. Hip Joint Assembly GESAC, Inc

  38. Shoulder Lateral and Medial Rotation Capability GESAC, Inc

  39. Shoulder Lateral and Medial Rotation Capability GESAC, Inc

  40. Upper Arm Bone Assembly GESAC, Inc

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