Electrical and Computer Engineering Department

Senior Design Project 2012Team Xia

Ben Bromberg, Rodrigo Bismonte, Patrick Estabrook

Simple Awareness of Vehicles and Assorted

Night Traffic(SAVANT)

2Electrical and Computer Engineering Department

Problem Statement

We wish to reduce injury and death to pedestrians and bikers caused by lack of visibility.

3Electrical and Computer Engineering Department

System Overview

Users of the road wear GPS devices transmitting their location

Motor vehicles have receivers and transmitters

Displays the location of received GPS information on the windshield (Heads Up Display)

Simple

Awareness of

Vehicles and

Assorted

Night

Traffic

4Electrical and Computer Engineering Department

Block Diagram

The RF “Æther”

Helical GPS

Xbee RF Transmitter

Microcontroller

Helical GPS

Xbee RF Transmitter

Microcontroller

Car System Pedestrian/Cyclist System

Xbee RF Transciever

GPS

BeagleBoard on-board Computer

Display System

5Electrical and Computer Engineering Department

Pedestrian/Cyclist Module (PCM) MDR Prototype

6Electrical and Computer Engineering Department

Pedestrian/Cyclist Module (PCM) CDR Prototype

Insert updated image of PCM prototype here

7Electrical and Computer Engineering Department

Helical GPS Module – 50 Channel D2523T

8Electrical and Computer Engineering Department

ATMega328 Microcontroller

9Electrical and Computer Engineering Department

XBee Module

10Electrical and Computer Engineering Department

Xbee Mesh addressing scheme

11Electrical and Computer Engineering Department

Automobile Module (AMM) – MDR Prototype

12Electrical and Computer Engineering Department

Automobile Module (AMM) – CDR Prototype

13Electrical and Computer Engineering Department

BeagleBoard

14Electrical and Computer Engineering Department

Demonstration!Improvements!

• One more PCM (Pedestrian-Cyclist Module) unit• Installation of helical GPS units in the PCM• AMM (Automobile Module) unit receiving its coordinates using

its GPS receiver• AMM parsing its GPS location• PCM pre-parsing its GPS location before broadcasting

15Electrical and Computer Engineering Department

Budget

Cost BreakdownBeagleBoard Donated Donated

XBee modules Donated(2) Donated(3)

ATMega328 microcontroller Donated (1) Donated (2)

LS20031 GPS module for AMM Donated Donated

D2523T Helical GPS module for PCM

$79.95 (1) $159.90 (2)

Optoma EP-PK-101 10 lumen pico projector

$170.80 $170.80

8”x11” Clear Rear projection film

$20.00 $20.00

Total SpentRemaining Budget

$270.75$229.25

$350.70$149.30

16Electrical and Computer Engineering Department

FPR Goals

I. Pedestrian-Cyclist Module (PCM) final prototype• GPS, XBee, ATTiny

II. Automobile Module (AMM) final prototype• GPS, XBee, BeagleBoard• On-windshield user display

III. Chassis and PCB• Minimization of PCM footprint• Power management

• PCM mobility issues resolved IV. Testing/Experimentation

17Electrical and Computer Engineering Department

FPR Deliverables

Two working PCM units• Minimized and wearable

AMM unit installed and working in a car (or an approximation of a car)• User interface• Projector/display on car windshield• Video of the test

Demonstration of multiple (two real with several simulated) PCM units joining/leaving the dynamic network

Accuracy statistics

18Electrical and Computer Engineering Department

Questions?