1 / 12

Solid-State Smart Material Based Prosthetic Arm Status Update 2 : April 3, 2014

Advisor: Dr. Onur Bilgen (MAE) Mechanical Subgroup Members : Gordon Clark Megan Guzman Paul Jelenek Can Karaoz Electrical Subgroup Members: Jared Gongloff Brett Lefebvre. Brad Ketterer Mark Levenstein Daniel Park Stephanie Vasquez. Solid-State Smart Material Based Prosthetic Arm

heaton
Download Presentation

Solid-State Smart Material Based Prosthetic Arm Status Update 2 : April 3, 2014

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Advisor: Dr. Onur Bilgen (MAE) Mechanical Subgroup Members: • Gordon Clark • Megan Guzman • Paul Jelenek • Can Karaoz • Electrical Subgroup Members: • Jared Gongloff • Brett Lefebvre • Brad Ketterer • Mark Levenstein • Daniel Park • Stephanie Vasquez Solid-State Smart Material Based Prosthetic Arm Status Update 2 : April 3, 2014 • Michael Pollard • Theodore Teates SOLID STATE PROSTHETIC SENIOR DESIGN TEAM 2013-2014

  2. Simplified Arm Model Top View (Arm straight) Artificial muscle in resting position Side View (Arm bent) Artificial muscle contracted SOLID STATE PROSTHETIC SENIOR DESIGN TEAM 2013-2014

  3. SMA Artificial Muscles Shoulder Screw End Caps End Cap SMA/Silicone Muscle Weld Nut

  4. Composite layups of Anchor Points Modified weld nuts Original weld nut Composite layups with the 3 modified weld nuts SOLID STATE PROSTHETIC SENIOR DESIGN TEAM 2013-2014

  5. Composite layups of Actuation Points Composite layups of varying thicknesses. 2 Layers 3 Layers 4 Layers 5 Layers SOLID STATE PROSTHETIC SENIOR DESIGN TEAM 2013-2014

  6. Updated Wire Framing Rig Previous Design for End-Cap Placement New Wire Frame (longer & slimmer than first frame) Modified Frame Design for End-Caps

  7. SMA Ribbon Fabrication Posts Loop configuration for equal pre-tension SMA wire wound from loops through both end-caps and around posts Mold for SMA wires and Silicon SOLID STATE PROSTHETIC SENIOR DESIGN TEAM 2013-2014

  8. Fabrication 1st Layer of structural epoxy Machined end-cap Conductive epoxy layer over SMA wires 16 holes for SMA wires to go through

  9. Finite-Element-Analysis Model 15 lb Force Location of Constraints • Elbow Joint • Graphite Swatch • Modulus of Elasticity: 198 ksi • Poisson’s Ratio: 0.3 • Density: 0.0491 lb/in^3 Max Displacement SOLID STATE PROSTHETIC SENIOR DESIGN TEAM 2013-2014

  10. Finite-Element-Analysis Model • Elbow Joint • Carbon Fabric • Modulus of Elasticity: • 246.5 ksi • Poisson’s Ratio: 0.1 • Density: 0.0578 lb/in^3 Max Stress SOLID STATE PROSTHETIC SENIOR DESIGN TEAM 2013-2014

  11. Gantt chart SOLID STATE PROSTHETIC SENIOR DESIGN TEAM 2013-2014

  12. Thank You For Your time Questions or Comments? SOLID STATE PROSTHETIC SENIOR DESIGN TEAM 2013-2014

More Related