1. CS-EE 480 Fall 2005 1November, 2005 University of Portland School of Engineering Project Molalla Microprocessor-based Charge Controller Team Andrew Melton John Turner Antoinette Realica Advisor Dr. Lu Industry Representative Mr. Andrew Hui Intel Corp.

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 Build a microprocessor-based charge controller –Select between pre-existing charging source and solar-powered charging source Molalla Product

4. CS-EE 480 Fall 2005 4November, 2005 University of Portland School of Engineering Introduction

5. CS-EE 480 Fall 2005 5November, 2005 University of Portland School of Engineering Introduction Photo taken from: www.toyota.com Implemented in hybrid vehicles –Environmentally-friendly Flexibility in vehicle power source selection –Present and future technologies

6. CS-EE 480 Fall 2005 6November, 2005 University of Portland School of Engineering Scorecard Select boost topology [done] Acquire materials [done] –December milestone can be met Further PSpice Modeling [in progress] Research [in progress] Small scale model [dropped]

7. CS-EE 480 Fall 2005 7November, 2005 University of Portland School of Engineering Additional Accomplishments Plan Approved Budget Approved Batteries Acquired

8. CS-EE 480 Fall 2005 8November, 2005 University of Portland School of Engineering Milestones NumberDescriptionOriginal 10/28/05 Previous 10/28/05 Present 10/28/05 1Product Approval10/07/05 10/05/05 2Plan Approval11/11/05 3Design Release12/09/05 4Boost Converter Stage 1 Built12/15/05 5Parts Received01/27/06 6Voltage and Current Sensor Built02/10/06 7TOP’s Approval02/24/06 8Boost Converter Stage 2 Built03/03/06 9Prototype Release04/07/06 10Founder’s Day04/11/06 11Final Report04/13/06

9. CS-EE 480 Fall 2005 9November, 2005 University of Portland School of Engineering Concerns/Issues PIC Control of Boost converter –Hardware vs. software Creating effective PIC transfer function Physical layout of boost converter Staying on schedule and within budget Maintaining efficiency –large voltage gain = high component stresses

10. CS-EE 480 Fall 2005 10November, 2005 University of Portland School of Engineering Conclusions Progress –Paperwork and Milestones for December Important Design Concerns http://www.classickidstv.co.uk/captainplanet/rings.jpg

11. CS-EE 480 Fall 2005 11November, 2005 University of Portland School of Engineering http://www.wannawiki.com/wiki/index.php/Image:CaptainPlanet.jpg Questions ?