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Flex PLI GTR Status 1-2 December 2011 Bernard Been Informal Group GTR9 PH2 GTR9-1-08r1.

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Presentation on theme: "Flex PLI GTR Status 1-2 December 2011 Bernard Been Informal Group GTR9 PH2 GTR9-1-08r1."— Presentation transcript:

1 Flex PLI GTR Status 1-2 December 2011 Bernard Been Informal Group GTR9 PH2 GTR9-1-08r1

2 Content ► Number of GTR legs manufactured ► Flex Status ► Leg availability GTR9-1-08r1

3 Number of GTR Legs Made ► 3 JARI prototypes ► 3 Humanetics for internal testing, demo and CAE ► 22 customer legs have been sold ► 12 legs are on order ► All customer legs have onboard DAS ► Some with optional addition channels up to 24 GTR9-1-08r1

4 Flex Status ► All production legs have Vinyl ester bones (more durable) Some prototypes have been updated to Vinyl ester ► All legs were build passing agreed GTR static component corridors ► All production legs pass GTR Pendulum corridors – T3 and T4 are usually high and MCL is generally low ► Production legs consistently fail some Inverse GTR corridors –some tibia moment channels are too low –failure very repeatable ► 4 different batches of Vinyl ester bone have been used ► From test experience Humanetics currently manufactures bones to be as close to GTR inverse corridors as possible GTR9-1-08r1

5 Example 2011 Production Pendulum Results Pendulum SN DH5646SN DG0726SN DG6304SN DH6791 Date 3/21/2011 4/1/20114/7/20114/29/20115/2/20115/16/20116/16/2011 6/17/20115/5/20115/6/2011 Test siteLowHighPlymouth Nagoya Plymouth BASTPlymouth Peak Moment @ T1235272243.29245.57246.97252.70251.00246.83248.30244.25244.33243.67247.76247.71248.41 Peak Moment @ T2185211198.12199.87199.64205.10207.98204.93199.50199.49199.54198.98204.72204.12204.63 Peak Moment @ T3135160152.92154.93151.24156.50159.07155.94150.30151.61151.77151.08156.46155.79153.01 Peak Moment @ T494108102.79103.89102.89107.00109.33106.83101.50102.39102.45101.50106.91106.50106.52 Peak ACL Elongation91110.029.9910.0310.209.239.079.909.239.249.259.559.909.68 Peak MCL Elongation232622.8723.0823.1723.6023.1422.9622.9022.6722.7022.7223.1423.0823.18 Peak LCL Elongation24.53.243.183.194.303.663.543.102.86 4.103.933.97 Peak PCL Elongation45.44.094.184.272.004.945.064.204.934.954.964.764.454.53 Femur stiffness mid High MID Low Femur thickness 10.44mm 10.38mm ? ~10.3 Femur Batch B2 Tibia stiffness mid-high High MID Medium Tibia thickness 10.36mm 10.67mm ? 10.4 Tibia Batch B2 B3 B2 B3 Tibia Assembly Pass Femur Assembly Pass Knee Assembly Pass 1/2 turn to springs With SLICE GTR9-1-08r1

6 Example 2011 Production Inverse Results Inverse SN DH5646SN DG0726SN DG6304DH6791DI6014 Date 4/19/20114/20/20114/29/20115/16/2011 6/17/20118/4/20114/20/20116/2/2011 Test site Plymouth BASTPlymouthBASTPlymouth Pre Impact velocity10.911.311.0511.34 11.0911.2411.1511.24 Peak Moment @ T12372770.00257.14237.73250.30241.32246.8231.48241.01 Peak Moment @ T2223269228.26232.05221.94229.50222.27224.1216.31217.43 Peak Moment @ T3176204173.37180.00169.13177.70170.39170.5171.09167.68 Peak Moment @ T49812098.19101.2693.4297.4097.0697.399.4097.11 Peak ACL Elongation8.510.58.288.759.278.709.269.78.229.55 Peak MCL Elongation182319.7719.7319.5919.1019.3320.316.2419.42 Peak PCL Elongation4.560.015.835.345.105.625.44.386.27 Femur stiffness mid High MID LowHigh Femur thickness 10.44mm 10.38mm ? ~10.3? Femur Batch B2 B3 Tibia stiffness mid-high High MID MediumHigh Tibia thickness 10.36mm 10.67mm ? 10.4? Tibia Batch B2 B3 B2 B3B2 Tibia Assembly Pass Femur Assembly Pass Knee Assembly Pass GTR9-1-08r1

7 Leg Availability for Testing ► Humanetics proposes at least 6 legs should be tested for corridor definition at 6 labs minimum after they have been checked and certified ► Availability of legs for testing would depend on customer co-operation ► Humanetics would make their internal leg available for testing GTR9-1-08r1

8 Thank you for your attention! GTR9-1-08r1


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