1. CS-EE 480 Fall 2005 1November, 2005 University of Portland School of Engineering Project Umpqua Electric Vehicle Drive System Team Abdullah Binsaeed Dustin Buscho Steven Arlint Advisor Dr. Albright Industry Representative Mr. Menig Freightliner

2. CS-EE 480 Fall 2005 2November, 2005 University of Portland School of Engineering Overview Introduction Scorecard Additional Accomplishments Plans Issues/Concerns Conclusions

3. CS-EE 480 Fall 2005 3November, 2005 University of Portland School of Engineering Introduction Light electric vehicle drive system –Driver and vehicle weight of approx 450 lbs. –Emulates moped. –Commuters will benefit. –Main emphasis on the motor control and feedback –Displays data analogous to cars RPM and fuel gauge

4. CS-EE 480 Fall 2005 4November, 2005 University of Portland School of Engineering Scorecard (Oct 05 plans) Order power electronics parts Build upper stage of functional block diagram Test motor at higher power ratings Work on design for lower stage of functional block diagram All of the above have been completed

5. CS-EE 480 Fall 2005 5November, 2005 University of Portland School of Engineering Additional Accomplishments Built power electronics module Built regulated power supply module Finished motor controller PIC microcontroller programming. All of the above have been tested as well.

6. CS-EE 480 Fall 2005 6November, 2005 University of Portland School of Engineering Plans Test regenerative braking Full load test the forward drive mode of the motor controller Construct current sensing system Program PIC microcontroller to recognize the current sensing system Complete design review process

7. CS-EE 480 Fall 2005 7November, 2005 University of Portland School of Engineering Milestones NumberDescriptionOriginal 10/13/05 Previous 11/8/05 Present 11/15/05 1Product Pre-Approval09/13/05 2Functional Spec Approval (Product Approval) 10/4/0511/3/0511/10/05 3Project Plan Approval11/11/0511/18/0510/18/05 4Completion of draft circuit design 10/31/05 5Motor and chassis tested10/31/05 6Parts Ordered11/15/05 7Design Release12/9/05 8Power electronics module completed 12/9/05 9Analog devices interfaced to digital system 1/16/05 10Final circuits assembled02/24/0602/24/-602/24/06 11TOP’s Approval02/24/06 12Testing under load03/28/06 13Prototype Release04/07/06

8. CS-EE 480 Fall 2005 8November, 2005 University of Portland School of Engineering Concerns/Issues Main issues: –Safety and stability. (real world) Solutions: –Product testing and documenting results –Software simulation to simulate “worst cases” –Employing auxiliary circuit designs when needed: ex. snubbers and crowbar circuits.

9. CS-EE 480 Fall 2005 9November, 2005 University of Portland School of Engineering Conclusions Introduction Scorecard Additional Accomplishments Plans Issues/Concerns Conclusions

10. CS-EE 480 Fall 2005 10November, 2005 University of Portland School of Engineering

11. CS-EE 480 Fall 2005 11November, 2005 University of Portland School of Engineering

12. CS-EE 480 Fall 2005 12November, 2005 University of Portland School of Engineering Video

13. CS-EE 480 Fall 2005 13November, 2005 University of Portland School of Engineering Questions?