1. ECE 477 Design Review Team 13  Spring 2007
Greg Futia
Greg VonFange
Anirudha Bhende
Phil Kasper
Paste a photo of team members here, annotated with names of team members.

2. Outline Project overview Project-specific success criteria
Block diagram
Component selection rationale
Packaging design
Schematic and theory of operation
PCB layout
Software design/development status
Project completion timeline
Questions / discussion

3. Project Overview Waypoint Navigation Control System Automated Roadway
Equivalent to visual systems
User programmed GPS waypoints and route information
Demonstrate Feasibility by building system for R/C car

4. Project-Specific Success Criteria
An ability to
determine position and heading of the vehicle
enter and follow user programmable route
control the steer angle and speed of the vehicle
display heading and position information on a local lcd
stop and resume motion of the vehicle, if an obstacle blocks its path

5. Block Diagram

6. Component Selection Rationale GPS Selection
Selected Part: Garmin GPS 18
Accuracy WASS Capable
OEM Solution
Built in Antenna
Refresh Rate 5 Hz
Cost - $200
Competing Parts: SiRF III, U-Blox & Atmel, Magellan Engine

7. Component Selection Rationale Microcontroller
Selected Part: PIC18F2410
Low Pin Count
Built In Oscillator
C Development Tools
Availability of Development Tools in Laboratory
Competing Parts: Freescale MC9S12UF32, TI MSP430F167

8. Component Selection Rationale Ultrasonic Sensor & Digital Compass
Ping Ultrasonic Sensor
Simple one 1 Interface
Availability & Cost
Hitachi Digital Compass
Cost
Minimal Accuracy
Competing Parts: I2C Ultrasonic Sensor TBD

9. Packaging Design Considerations
Mounting
Protecting the PCB
Connectivity for the Motor Controller, Steering Servo, and GPS Unit
Port Holes for the Ultrasonic sensor
Mounting of the GPS Receiver
Opening for the LCD
Size

10. PCB Enclosure CAD Model
Packaging Design
PCB Enclosure CAD Model

11. Autocar Schematic Page 1

12. Autocar Schematic Page 2

14. Software Design/Development Status
Motor Control Signals Complete
Center/Stopped
Right/Forward
Left/Reverse

15. Software Design/Development Status

16. Project Completion Timeline
2/25-3/3
3/4-3/10
3/11-3/24
3/25-3/31
4/1-4/7
4/8-4/14
4/15-4/21
4/22-4/28
4/29-4/30
Week 8
Week 9
Week 10
Week 11
Week 12
Week 13
Week 14
Week 15
Week 16
Motor Control (done)
Ultrasonic Sensor (done)
PCB Layout
LCD module
GPS module
Compass module
Route Navigation
User Programability
User Manual
Final Report
Poster

17. Questions / Discussion