1 / 21

P14007: Wheelchair Assist

P14007: Wheelchair Assist. Che -An Lee – Industrial and System Engineer Dan Schuster – Mechanical Engineer Phil Medalie – Mechanical Engineer Tom Elliot – Electrical Engineer. Agenda. Functional Decomposition System Architecture Morphological Table Alternatives Considered

taran
Télécharger la présentation

P14007: Wheelchair Assist

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. P14007: Wheelchair Assist Che-An Lee – Industrial and System Engineer Dan Schuster – Mechanical Engineer Phil Medalie – Mechanical Engineer Tom Elliot – Electrical Engineer

  2. Agenda • Functional Decomposition • System Architecture • Morphological Table • Alternatives Considered • Selected Concept • Engineering Analysis • Risk Assessment • Test Plan • Project Schedule

  3. Functional Decomposition

  4. System Architecture

  5. Morphological Table

  6. Alternatives Considered

  7. Alternatives Considered Cont’d

  8. Alternatives Considered Cont’d

  9. Selected Concept • Sense Incline- User Input • Adjust Speed (Uphill)- User Control • Apply Energy (Uphill)- Gear System • Hold the Wheelchair (Uphill)- Ratchet • Brake the Chair- Brakes

  10. System Integration • Gear & lever and braking systems would be placed between wheel and chair frame • Planetary gearbox would be placed on outside of wheel • Secondary gear and levers would be placed either on side plate or where current wheel locks are

  11. Engineering Analysis • Torque Analysis • Motor Analysis • Spring Analysis • Ratchet Benchmarking • IR Benchmarking

  12. Free Body Diagram and Coordinates

  13. Equations of Motion and System Parameters

  14. MATLAB Results T = 42 Nm, = 21Nm per wheel

  15. Test Plan

  16. Test Plan Cont’d

  17. Risk Assessment

  18. Risk Assessment Cont’d

  19. Project Schedule

  20. Question/ Comments?

More Related