1. CS-EE 481 Spring 2006 1January, 2006 University of Portland School of Engineering Project Lost Intelligent Leg Prosthesis Team Eric Iversen Kathryn Lowe Eric Paugh (Lead Egr.) Advisor Dr. Lillevik (EE) Dr. Chamberlain (ME) Industry Representative Jonathan Fant Future Robotics Company

2. CS-EE 481 Spring 2006 2January, 2006 University of Portland School of Engineering Overview Introduction Accomplishments Unfinished Business Plans Issues/Concerns Conclusions

3. CS-EE 481 Spring 2006 3January, 2006 University of Portland School of Engineering Introduction Transfemoral (Above-Knee/AK) prosthesis solutions: –Single axis/polycentric –Friction lock –Hydraulic/pneumatic –Computerized The pneumatic control valve only adjusts when the user’s pace changes Project goal: To reduce fatigue by simulating a normal gait Final product functions as replacement knee, lower leg, and foot

4. CS-EE 481 Spring 2006 4January, 2006 University of Portland School of Engineering Accomplishments EE Design Review: Conditionally Approved ME Report and Presentation Trip to Artisan Orthotic Prosthetic: Warren Mays Mock-up 1 Completed

5. CS-EE 481 Spring 2006 5January, 2006 University of Portland School of Engineering Unfinished Business Motion Capture Lab –No longer necessary Trip to Seattle Systems –Substituted with Artisan Orthotic Prosthetic Design Review –Scheduled for Feb. 8 th

6. CS-EE 481 Spring 2006 6January, 2006 University of Portland School of Engineering Plans Order parts Theory of Operations Test with mock-up 1 Complete algorithms

7. CS-EE 481 Spring 2006 7January, 2006 University of Portland School of Engineering Milestones NumberDescriptionOriginal 10/30/05 Previous 11/28/05 Present 01/30/06 1Product Approval10/04/05 2Plan Approval11/18/0511/21/05 3Mock-Up 1 Built11/25/0512/02/0502/02/06 4Parts Chosen11/25/0512/02/0502/02/06 5Design Review12/09/05 2/08/06 6Mock-Up 2 Built01/25/06 02/28/06 7TOP’s Approval02/24/06 8Knee, Leg and Foot Manufactured02/15/06 03/05/06 9 Parts Integrated & Functional03/15/06 03/25/06 10Founder’s Day04/11/06 11Final Report04/28/06

8. CS-EE 481 Spring 2006 8January, 2006 University of Portland School of Engineering Concerns/Issues Shipping delay Behind schedule Smaller pneumatic

9. CS-EE 481 Spring 2006 9January, 2006 University of Portland School of Engineering Conclusions Intelligent leg prosthesis Excellent trip to Artisan Design review 2 Time to order parts Behind schedule

10. CS-EE 481 Spring 2006 10January, 2006 University of Portland School of Engineering Questions?