Intelligence Reconnaissance Vehicle (IRV)

Team Members: Esteban Andrade & Juan Arana

EEL4924 – Design II

Project Overview

The IRV’s primary function is to search and locate the target. Most of the decision making will be in the user side based on the information provided by the vehicle The user can control the IRV, as long as it is within range The IVR will provide the user with statistics data about the image for tracking, sonar data for obstacle avoidance, and GPS coordinates for location The IRV will take pictures to perform on-board image processing

IRV board

GPS

Ultra-Sonic Ranger

CMUcam

Car

LCD

The LCD will display an up-to-date picture from the car upon user request. The user is also notified via LCD of the front and rear distance from nearby obstacles (up to 9ft away) as well as global coordinates.

H-Bridge

Designed using IRF640, IRF9540 and 110mil traces to provide up to 5-6A of current.

IVR Control

The IVR Controller features an XBee communication unit to provide the user complete control of the car. The user utilizes a joystick to maneuver the car, and has the joystick pushbutton to request a picture from CMUcam on the car.

Battery Charger The battery being charged is of 7.2V (7.8V under no load). The circuit to the left will charge the battery up to approximately 7.8V with a constant current of ~330mA. Once the battery has reached the desired voltage, the charger will shut off the current and stop the charging. This charger features a red LED to signify that charging is in progress and a green LED to notify when charging is complete.