Build Your Own Combat Robot

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most critical components in robots, 128 Electronics and computing power, 22 Electronics, prototyping, 335–340 breadboarding, 336–337 crimp style connectors, 339–340 soldering for robots, 337–339 static sensitivity, 340 using prototyping boards for electronic circuits, 336–337 wire-wrapping prototyping, 337 Electronics suppliers, 348–349 Energy to get motors to start turning, 63 Engines, internal combustion; See also Motors, 76–77 Equations, rule-of-thumb type, 91 Equipment, old production, 35 ESCs (electronic speed controllers), 73, 128, 172, 299, 300 commercial, 143–155 controlling heat with, 73 current capacity in hobby, 145 ESCs (electronic speed controllers), commercial, 143–155 hobby, 143–146 most critical components in robots, 128 Events annual robot sumo, 303 BattleBots is most popular robotics, 7 Gauntlet, 13 Maze, 13 robot sumo, 4 various robotic combat, 3 Extrusions, angle, 190 F Fads, 331 Fail, top ten reasons why robots, 34 Failsafe compliance, 179–180 defined, 155 shutdown feature known as, 155 Failures of combat robots, 195 Fast charging, 95 Fastener placement, structural design for, 195 Fasteners, screws, bolts and other, 197–200 Fastening, welding, joining and, 195 FCC (Federal Communications Commission), 162 Federal Communications Commission (FCC), 162 Feel, using sensors to allow robots to, 241–248 Felk, Stephen, 165–166 FETs (Field Effect Transistors), 142, 142–143, 160 Field Effect Transistors (FETs), 142, 142–143, 160 Fighting robots will draw lot of current, 81 FIRST competition, inaugural year of, 15 FIRST (For Inspiration and Recognition of Science and Technology), 14–15 robotics competition, 175 FIRST Robotics Competition, 14 First-time robot builders, 45 FIRST Web site, official, 15 Flat belts, 118 Flat-head machine screws, 198 Flatness, variations in floor, 55 Floor flatness, variations in, 55 Floors, traction on combat, 54 Flyback diodes, 137, 138 FM (frequency modulation), 162, 167–168 FM, PCM and radio interference, AM, 167–170 For Inspiration and Recognition of Science and Technology (FIRST), 14–15 Forces motor torque and frictional, 111 pushing, 64, 111 robot’s pushing, 109–111 Formulas, helpful, 355–357 chain drive centerline distances, 356 timing belt centerline distances, 357 Forward-going switches, 135 Frames building, 322–323 designing bot, 26 Free-machining brass, 188 Frequencies for IFI Robotics Isaac robot controllers, 178 radio control, 162 Index 365
366 Build Your Own Combat Robot radio systems allow changing transmitting, 165 Frequency crystals, 164–165 Frequency modulation (FM), 162, 167–168 Frictional forces, 110 motor torque and, 111 Frictional losses, 63 Full-face masks, 37 Fully autonomous robot, 240 Fun, building bots for, 24 Functions, automating bot, 27 Fuses, 138, 139 blowing, 82–83 Future of robot combat, 330–332 G Game of compromise, 29–30 Garden tools, 52 Gasoline engines and electrical noise, 172 Gauntlet event, 13 Gear assemblies, mounting, 122 Gear reduction defined, 104 Gear slop, 122 Gearboxes, 122–124 mounting gear assemblies, 122 securing gears to shafts, 122–124 Gearmotor, 104 Gears, reverse, 76 Gears, securing to shafts, 122–124 Gel-Cells, 92 Getting started, 21–38 Gladiators, American, 16 Glasses, safety, 36, 37 Go-kart wheels, 52 Gross, Bob, 256 Grudge Match, 10 H H-bridge, driving with, 134–135 Hammer bots, 228–231 hammer design, 228–231 strategy, 231 Handy Board, 268 Hear, using sensors to allow robots to, 241–248 Heat can destroy motors, 72 controlling, 73 physical sizes of motors and, 72 power and, 68–72 Heating, motor, 72 Hell raisers, 7 Hex-walkers, six-legged, 43 Hexapods are popular robot style, 43 High-current capacity, relays should have, 130 High-performance motors, 73 High powered robots, designing, 115 High-pressure air (HPA), 235 High-pressure pneumatic systems, 37 High-strength plastics, 184–185 History of robot combat, 7 Hobby controllers, cheaper, 145 Hobby ESCs, 143–146 in combat robotics, 145–146 current capacity in, 145 Homes, robots in, 332 Horn, servo, 136 Horsepower, peak, 69 Housings, adding motor, 317–319 HPA (high-pressure air), 235 I ICs (integrated circuits), 338 Idler sprockets, 117 IFI (Innovation First), 147 IFI (Innovation First Isaac ) robot controllers, 175–179 IFI Robotics Isaac operator interface, 176 IFI Robotics Isaac robot controllers, frequencies for, 178 IFI Robotics system, 175 IFI Robotics Victor controllers, 147 Imahara, Grant, 66–67, 105 Impact rivets, standard, 201 Improvements performance, 297 traction, 302 Improving sensor input, techniques for, 249–250 Infrared beacons, 253 Infrared detectors, 287 Infrared LEDs, 287 Infrared Proximity Sensors Sharp GP2D05, 245 Sharp GP2D15, 245 Infrared range detectors, 301 Infrared Range Sensors Sharp GP2D02, 245 Sharp GP2D12, 245 Input power, 65 Input, techniques for improving sensor, 249–250
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Build Your Own Combat Robot Pete Mi
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For more information about this boo
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Contents For more information about
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Current Ratings, 129 How It All Wor
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Object Detector, 290 Sensor Integra
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Acknowledgments We would like to th
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Introduction Some kids spend their
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About the Authors xv About the Auth
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2 ELCOME to the world of combat rob
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6 Build Your Own Combat Robot aroun
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22 S we said in Chapter 1, it’s g
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30 Build Your Own Combat Robot Befo
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32 Build Your Own Combat Robot What
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34 Build Your Own Combat Robot Test
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38 Build Your Own Combat Robot Ther
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42 OVING is what many might call a
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chapter Motor Selection and Perform
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Chapter 4: Motor Selection and Perf
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FIGURE 4-1 Typical motor performanc
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Determining the Motor Constants Cha
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FIGURE 4-2 Heat generated in an ele
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FIGURE 4-4 Motor power changes by d
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Chapter 4: Motor Selection and Perf
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FIGURE 4-7 24-volt, 185 rpm, 896 in
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the robot. If the engine is used to
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80 LECTRICALLY powered competition
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chapter Remotely Controlling Your R
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FIGURE 8-1 Wiring and rotational po
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FIGURE 8-2 Futaba’s top of-the-li
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Chapter 8: Remotely Controlling You
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FIGURE 8-4 Typical radio frequency
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FIGURE 8-5 Motor with three capacit
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Innovation First Isaac Robot Contro
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FIGURE 8-6 Block diagram of Isaac o
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chapter 9 Robot Material and Constr
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Metals Aluminum Chapter 9: Robot Ma
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Stainless Steel Chapter 9: Robot Ma
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Titanium used to solder small brass
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Chapter 9: Robot Material and Const
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Welding, Joining, and Fastening We
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place, or some liquid may have ente
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vibration and bounce around the ins
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204 ECAUSE robot combat has evolved
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240 HE robots described in the book
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250 Build Your Own Combat Robot One
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chapter 12 Robot Brains Copyright 2
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FIGURE 12-1 From top left to bottom
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Chapter 12: Robot Brains 263 space
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FIGURE 12-2 The BoeBot from Paralla
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Handy Board BotBoard Chapter 12: Ro
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FIGURE 12-5 Robo-Goose, a robotic g
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FIGURE 12-8 A fully autonomous robo
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S ummary Chapter 12: Robot Brains 2
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276 HE referee signals, and my hear
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chapter 14 Real-Life Robots: Lesson
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FIGURE 14-1 Chew Toy Chapter 14: Re
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FIGURE 14-2 Chew Toy with protectiv
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FIGURE 14-3 Wheel shown bolted to d
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FIGURE 14-5 Front view with arm dow
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Page 401: INTERNATIONAL CONTACT INFORMATION A
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