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Volleyball & Wumpus World. CSCE 488 By Cody Boettcher and Jason Williams. Introduction. Volleyball Wumpus World Costs and Components Summary Questions. Volleyball. Rules 2 robots blocker, striker Sonar, IR, and light sensors 10 inch walls 4 inch high net (optional).
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Volleyball & Wumpus World CSCE 488 By Cody Boettcher and Jason Williams
Introduction • Volleyball • Wumpus World • Costs and Components • Summary • Questions
Volleyball • Rules • 2 robots • blocker, striker • Sonar, IR, and light sensors • 10 inch walls • 4 inch high net (optional)
Robot A (Attack Robot) • Striker • Sensors • Launch tools • Light sensors • Opposite side • Foul line • Basic HandyBoard • Battery Life
Robot B (Blocker Robot) • Sweeper • Sensors • Sonar, Light sensors • Blocking wall • Basic HandyBoard
Products • SONAR Sensor • $58.00 -- Polaroid 6500 Sonar Module • The kit contains one driving board with one transducer. Cable and socket for HandyBoard Expansion Board included. • http://www.robotstorehk.com/exp1.html • $3.00 – Polaroid Thrift Store Camera • www.members.tripod.com
Wumpus World • Early AI game • Man (robot) eating Wumpus, bottomless pits, a single arrow, and a treasure • Can smell a stench, fell a breeze, see glitter • Identifies location of Wumpus, pit, treasure in an adjacent square
Wumpus World • Let’s play the game!! • http://www.cs.ucla.edu/~apulliam/wumpus/ • http://sunset.backbone.olemiss.edu/~mbai/java/wumpus/Wumpus.html
Wireless Wumpus World • Fixed game board size and Start/Exit point • Determine rules about location of Wumpus, pits, and treasure • Avoid all being in same location • Determine where inputs about each position will come from (robot or computer) • Determine where brunt of algorithm will be handled
Wireless ImplementationOption 1 • Use wireless HandyBoard • Use robot to travel the game board with appropriate sensors to determine its position • Use IR wireless communication from PC (or manual remote control) to let robot know current state of each position • Robot would then determine next move with algorithm on board
Wireless ImplementationOption 2 • Use robot to travel the board with appropriate sensors to determine its position • Use enough sensors to determine current state (breeze, gold, stench,etc.) by different color squares • Use IR to send state information to PC • PC has algorithm to determine next move and sends next move to robot
Wireless ImplementationObstacles • 32k on HandyBoard – should be enough to handle algorithm • Online upgrade to 64k but could be tricky • May have to let computer use algorithm to determine next position and simply give the robot the instructions for where to go next • May need to download software for using IR transceivers for the HandyBoard
Cost • Buy a PC to IR Linc kit for $99 • Buy IR kit $29 • IR transmitter and receiver $1 each • Several online instructions for building a Parallel Port IR receiver and transmitter • Although we could just use any remote control to manually send signals • HandyBoard downloads for sending and receiving signals with most TV/VCR remote controls (pre-configured for NEC)
Potential Project? • This could be possible with a little cost if we built our own IR transceiver for a PC or if we purchased an IR kit and used a single PC for communication • Not sure of reliability or difficulty in building the IR transmitter/receiver • Need to build a game board (once we determine size) with or without outside walls
Summary • Volleyball • Wumpus World • Costs and Components
References • http://www.robotstorehk.com • http://www.rtjcom.com • http://www.handyboard.com • http://sunset.backbone.olemiss.edu • http://www.cs.ucla.edu • http://www.cs.tcd.ie/research_groups/cvrg/lego/index.html • http://www.robotstorehk.com/exp1.html • http://www.rpi.edu
