Project Umpqua Electric Vehicle Drive System

Team Abdullah Binsaeed

Dustin Buscho

Steven Arlint

AdvisorDr. Albright

Industry RepresentativeMr. Menig

Freightliner

Overview

• Introduction

• Scorecard

• Plans

• Milestones

• Issues/Concerns

• Conclusions

Introduction

• Light electric vehicle drive system– Driver and vehicle weight of approximately 450

lbs.– Commuters will benefit.– Main emphasis on the motor control and feedback– Displays data analogous to cars RPM and fuel

gauge

Control Logic

Regenerative Control

Gate Drive

Speed Control Gate Drive

MOSFET70A 500V x1

MOSFET 70A 500V x2

Current Sensor

Free Wheeling

DiodeDC

Permanent Magnet Motor

Ground

High Voltage(DC)

Sensor Logic

LCD Display

Digital Tachometer

User Input

Scorecard (DEC 05 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

• (All of this has been completed)

Plans

• Finish PIC microcontroller programming for data acquisition

• Interface LCD display

• Complete Theory of Operations Document

• Test regenerative braking under load

MilestonesNumber Description Original

10/13/05Previous11/8/05

Present11/15/05

1 Product Pre-Approval 09/13/05 09/13/05 09/13/05

2 Functional Spec Approval (Product Approval)

10/4/05 11/3/05 11/10/05

3 Project Plan Approval 11/11/05 11/18/05 10/18/05

4 Completion of draft circuit design

10/31/05 10/31/05 10/31/05

5 Motor and chassis tested 10/31/05 10/31/05 10/31/05

6 Parts Ordered 11/15/05 11/15/05 11/15/05

7 Design Release 12/9/05 12/9/05 12/9/05

8 Power electronics module completed

12/9/05 12/9/05 12/9/05

9 Analog devices interfaced to digital system

1/16/05 1/16/05 1/16/05

10 Final circuits assembled 02/24/06 02/24/-6 02/24/06

11 TOP’s Approval 02/24/06 02/24/06 02/24/06

12 Testing under load 03/28/06 03/28/06 03/28/06

13 Prototype Release 04/07/06 04/07/06 04/07/06

Concerns/Issues

• Main issues: – Safety (real world)

• Solutions: – Product testing and documenting results– Using caution when operating with high

voltage, high current cases. Gloves, first aid, and a cell phone is always present.

Conclusions

• Introduction

• Scorecard

• Additional Accomplishments

• Plans

• Issues/Concerns

• Conclusions

Questions?