january 24 rd, 2013 additional concepts and communication
TRANSCRIPT
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January 24rd, 2013
Additional Concepts
and Communication
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Overview
• Concepts from Kumoh and Budapest• Flexible/expandable wheel concepts• Communication with International Teams
• SPECIFICATIONS– For current version of specifications sheet, see
Google Document
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Concepts from Kumoh and Budapest
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Quadrotor with Solar Charger
• Solar cell in center of quadrotor (enough current to power microprocessor?)
• Arms fold up to protect during landing
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Rolling Concept
• Motor powers inner ball, which rolls on inside of outer ball
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Guiding Principles #1• In order to avoid double effort on control design:
we should navigate on the ground or in the air but not both
• If we want to navigate in the air, wings are better than helicopter (rotor/propellers providing downward thrust) concept from the viewpoint of energy efficiency
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Guiding Principles #2
• To avoid getting blown away by wind, the parachute should be opened late in the descent
• If we make a flying robot, it should be naturally stable – flying robots can be very difficult to control if they are too reliant on fast/accurate feedback of pose (attitude)
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Rover with Inflatable Wheels
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Ornithopter
http://youtu.be/nn69_9X3aZ4
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Rover with Compressed Air Propulsion
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Falling Propeller-Driven Robot
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Flexible/Expanding
Wheel Concepts
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One-Piece Wheel/Suspension System
http://www.societyofrobots.com/mechanics_robot_suspension_system.shtml
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Flapped Grinding Wheel
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Dual Pod Transport
http://www.tuvie.com/dual-pod-transport-is-a-two-wheeler-with-off-road-capabilities/
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Segmented Wheel
http://www.apparatusgame.com/level.php?id=18366
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Flexible Tape
http://www.qrbiz.com/product/384464/flexible-tape-and-sprocket-wheel.html
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Beartex Polishing Wheel
http://www.jewelerstoystore.com/Beartex_Wheels_p/w556.htm
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Team Communication
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Time Differences (Relative to Atlanta)
• Budapest, Hungary:• Patras, Greece:• Madras, India:
• Gumi City, South Korea:
+ 6 hours+ 7 hours+ 11 hours+ 14 hours
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Communication
• RescueBot website• Online meeting software• Weekly meeting (Skype? Phone? Other?)
– Assuming one country at a time– Split each team of Tech students into two groups?
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File Sharing
• RescueBot Website• Dropbox account• Google account (use Drive)
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International Kickoff Meeting
• Describe RescueBot project in detail• Find out interests/abilities• How to split specialized teams?
– All EE (for example) from same country, or– Students from multiple countries?
• How to split robot production?– Two groups, each working on one design, or– Farm-out tasks from both designs to specialties?