Team Members:Refined Model:Targets and Challenges:Top view

Front view

Design of a New Middleweight BattleBot

for the IUPUI Robotics Team

Side view

Weight – The weight limits are 40 to 120 lbs. Final weight was 118lbsChallenge: The plating on the chassis for armor was the heaviest part of

the robot and the chassis was continuously modified to minimize plating.Cost – Budget was set by IUPUI BattleBot team at $2500. The actual cost from BOM is close to $2300.

Challenge: Throughout the process the cost gradually climbed due to the need to chose lighter weight components without compromising quality.

Force of Attack – The ability to inflict damage is a BattleBot’s main function.Ram force – attack delivered by BattleBot ram provides approximately 5000 lb-force.Pneumatic Punch - delivers a force of 3000 lb behind a tool grade steel punch.

Challenge: Designing a robot that could inflict maximum damage without damaging itself.

# Attacks Per Round – BattleBot is built to run and ram for the entire match.The pneumatic punch is able to deliver 35 punches a match.

Challenge: As the chosen cylinder got bigger the force applied rose as well as weight. The larger the cylinder, the fewer punches could be achieved a match.

Current Draw – The BattleBot must run for the entire 6 minutes of the match. Onboard battery has 18amphour rating. Worst case - robot will run at stall torque (pushing against a wall the entire match) and pull 200+ amps constant current. At this rate the battery will die in 5.4 minutes. A realistic average of 40-75 amps over the entire match shows battery will be more than adequate for the 6 minute match.

Challenge: Each battery weights 18 lbs and therefore we must design the electrical system so only one is needed.

Project Consultants:

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3-D Model (Pro/ENGINEER)

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Prof. Dr. Jie ChenFaculty Advisor

Dept. of Mech. Engr.

Brian DeckardPresident

IUPUI Robotics Team

Daniel ReedVice President

IUPUI Robotics Team

BattleBot description:BattleBots is the sport of remote-controlled robotic combat. Contestants all over the world design robot warriors to compete in a fast-paced, ruthless competition to see who can destroy their opponent’s robot first.

Project purpose: -Assist IUPUI Robotics team.

-Gain experience dealing with design criteria.

-Learn integration of technologies and principles of systems design.

Project expectations: -Complete design of a BattleBot structure, armor, drive system and weapon.

-Design within competition parameters

- Must perform competitively

- Opponents of the IUPUI BattleBot must be pounded into Oblivion!!

Final Battlebot Design: - Battlebot weight: 118 lbs - Battlebot cost: $2300 - Ram Attack: 4800 lb force. Punch Attack: 3000 lb force - Adequate Ram Attacks per match, 35 Pneumatic Punch Attacks/Match - Battlebot Run Time: 20 minutes

Mechanical Design Process:

Jamin Baker Senior, Mechanical Engineering. Experience in assembly language and three-dimensional modeling; F.I.R.S.T. Robotics 2002.

Benjamin Burns Senior, Mechanical Engineering. Experience in three-dimensional modeling with specialty in I-DEAS; F.I.R.S.T. Robotics 2002.

Ginger Jessop Johnson Controls, Inc.Senior, Engineering Management. Experience in marketing, business law, operations management and project management.

Michael Long Rolls-RoyceSenior, Mechanical Engineering. Experience in three-dimensional modeling and finite element analysis; F.I.R.S.T. Robotics 1998-2004.

ME 462 Capstone Design: Spring 2004

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Colin CallahanStudent Designer

F.I.R.S.T. Robotics

PROJECTS ASSIGNED

SPLIT PROJECT?

DRIVE SYSTEM

QFD

WEAPON/ CHASSIS

QFD

SPLIT PROJECT?

YES

YES

CONCEPT GENERATION

CONCEPT EVALUATION

PRODUCT GENERATION

PRODUCT EVALUATION

ONLY OFF-SHELF

PARTS?

THE END