Georgia Tech RescueBot

ARLISS Comeback Competition 2013

ARLISS Competition 2012

• See website for videos

Agenda

• Contest overview and rules

• Previous projects• This year’s

international project

General “Stuff”

• Mid September in Black Rock Desert, NV

• Two competition classes– CanSat– Open

• Ninth year Georgia Tech has been involved

To Win …

1. Survive launch2. Survive landing3. Autonomously move

toward target4. Stop within 50m

of target5. Prove the device moved

autonomously towards the target

Class Requirements

• CanSat Class– Size and weight of Coke can

• Open Class– Fit in 5.75” diameter,

9.57” deep cylinder– Weigh less than 1050g

Year One

• Only CanSat entry• Finished closest to target• Outside of 100m

(1350m)• Unable to prove

autonomous control

During Launch … Year 2

CanSat did not survive, and the parachute was lost

Year Two - Rover

• CanSat entry• Open-Class entry– Wheeled rover– PIC18F452 microchip– Servomotors for drive

and steering

Year Three

• CanSat entry• Open-Class entry– Tracked rover

• Rover did not move upon landing

• GPS antenna had shorted, drained battery

Year Four

• Only Open Class entry

• Only one tire inflated, did not move upon landing

• Finished 3,000m from target

Year Five

• Only Open-Class entry

• Two-wheeled rover

Year Five Overview

Year Five Circuit

GPS

BS2sx

USB Datalogger

GPS Testing on La Playa

0.26

mil

es

Year Five Results

• Landed 1.2km from target

• Did not move much due to bent axle

Year Six

Year Eight Results

• Survived impact without physical damage (encased wheels and shock absorbers)

• Did not move after landing

• Microprocessor appeared functional, but GPS not functional

Year Nine Results

• Survived landing without major structural damage

• First launch, GPS unit broke• Second launch,

microprocessor battery depleted

Year 10

• Boeing-sponsored expansion to Georgia-Tech-based club.

• Collaboration with international students– Hungary (Budapest University of Technology and Economics)– Greece (University of Patras)– South Korea (Kumoh National Institute of Technology)– India (Indian Institute of Technology Madras)

Potential Concepts• Hopping rotochute• Glider• Blimp• Fanboat• Rolling propeller car• Wheeled rover• Tracked rover • …

Team Subgroups• Electronic circuit design and construction• Hardware design and construction• Software – system integration• Software – guidance and control• Team coordination• Contest logistics

Questions?