Build Your Own Combat Robot

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top ten reasons why robots fail, 34 Builders beginning-level robot, 43 first-time robot, 45 help new robot, 17 rookie bot, 174 Builders, lessons from veteran builders, 305–327 Pete Miles—building Live Wires, 316–327 Ronni Katz—building Chew Toy, 306–315 Building bots, 310–311 bots for fun, 24 combat robots, 18 frames, 322–323 mini sumo, 284 robots, 17 tank treads for robots, 46–47 Building Chew Toy, 306–315 building bots, 310–311 conception, 308–310 creating armor, 311–314 creating weapons, 311–314 final words, 315 research, 306–308 Building Live Wires, 316–327 adding controllers, 317–319 adding motor housings, 317–319 adding weapons, 324–325 adding wheels, 317 building frames, 322–323 finally the show, 325–327 layout and modeling, 319–321 making sketches, 316 scrambling, 321–322 securing motors, 316–317 Building now, start, 33 Bully power servo amplifiers, 152 Bump sensors, 248 Buying chains, 115–116 C CAD (computer aided design), 24, 28, 110 designing robots on paper or, 30 software, 110, 308 Cap screws, 198 Capacities comparing amp hour, 86–87 comparing SLA, NiCad, and NiMH run-time, 86 relays should have high-current, 130 Carlberg, Christian, 44, 191–192 Carrier, RF (radio frequency), 167 Cars, R/C (radio controlled) model race, 48 Caterpillar bulldozers, power of in robots, 45–47 CCDs (charged coupled devices), 242, 272 Center of gravity (CG), 212 Centerline distances chain drive, 356 timing belt, 357 CG (center of gravity), 212 Chain drive centerline distances, 356 Chain drive systems, 115–118 buying chains, 115–116 chain sprockets, 117–118 Chain sprockets, 117–118 Chain system, implementing sprocket and, 117 Chains buying, 115–116 single strand roller, 115 Channel numbers defined, 162 Channels control, 160–166 defined, 160 Characteristics, battery performance, 90 Charge-coupled device (CCD), 272 Charged coupled device (CCD), 242 Charger combinations, drill/battery/, 99 Chargers, battery, 99 Charging, fast, 95 Chart, typical motor performance, 65 Cheap ventures, building combat robots not, 36 Cheaper hobby controllers, 145 Checksum signal, data, 168 Chew Toy, building, 306–315 building bots, 310–311 conception, 308–310 creating armor, 311–314 creating weapons, 311–314 Index 361
362 Build Your Own Combat Robot final words, 315 research, 306–308 Children, presence of, 37 Chirps defined, 180 Chrome steel, 187 Circuits servo mixing, 154 using prototyping boards for electronic, 336–337 Clamp bots, 215–217 clamp design, 215–216 strategy, 216–217 Classes Botbash walking robot weight, 12 Botbash wheeled robot weight, 12 fully autonomous robot, 253–256 international robot sumo, 299–303 Coils of relays, 131 Cold-rolled steel, 188 Combat future of robot, 330–332 history of robot, 7 Combat events, various robotic, 3 Combat floors, traction on, 54 Combat robot competitions, 5–17 Combat robotics hobby ESCs, 145–146 world of, 2 Combat robots autonomous, 4 building, 18 building not cheap ventures, 36 failures of, 195 implementing sensors in, 248–250 selecting wheels for, 51–52 Combat robots are remote controlled, most, 4 Combating radio interference, 171 Combinations drill/battery/charger, 99 wheel/tire, 53 Combustion engines, internal, 76–77 Combustion motors, internal, 62 Commands, movement, 158 Commercial electronic speed controllers, 4QD speed controller, 152–153 Commercial ESCs (electronic speed controllers), 143–155 Commercial speed reducers, 123 Common sense, using, 38 Comparing amp hour capacities, 86–87 batteries with similar 6-minute capacities, 89 SLA, NiCad, and NiMH run-time capacities, 86 Competing in contests six months away, 33 Competition automated, 331 divisions, 4 FIRST (for inspiration and recognition of science and technology) robotics, 175 FIRST Robotics, 14 inaugural year of FIRST, 15 Competition robots, 24 Competition robots, welcome to, 1–18 combat robot competitions, 5–17 robots defined, 5 scope of this book, 17–18 Competitions, combat robot, 5–17 Compliance, failsafe, 179–180 Compromise game of, 29–30 level of, 29 Computer aided design (CAD), 24, 28, 110, 308 designing robots on paper or, 30 software, 110, 308 Computer radios, 169 Computerized receivers, radio systems with, 180 Computing power, electronics and, 22 Conception, 308–310 Conductive liquid switches, 247 Configurations ideal antenna, 173 wheel, 50–51 Connectors crimp style, 339–340 soldering, 339 Constant standoff distances, 252–253 Constants determining motor, 67–68 motor-speed, 63 motor-torque, 63 Construct robots, tools needed to, 193–194
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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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4 Build Your Own Combat Robot FIGUR
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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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36 Build Your Own Combat Robot S af
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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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52 Build Your Own Combat Robot You
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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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128 F batteries are the source of p
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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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Page 375 and 376: 356 OLLOWING are formulas that you
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Page 395 and 396: sources of robot parts, 35 top ten
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Page 401: INTERNATIONAL CONTACT INFORMATION A
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