Build Your Own Combat Robot

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Performance chart, typical motor, 65 Performance improvements, 297 Permanent magnet DC motors, 67 Personal data assistants (PDAs), 273 Pillow block bearing, 56 Pinball tournament, 10 PIR (passive infrared) sensor, 242 Pixels defined, 241 Plastics, high-strength, 184–185 Platforms, multi-wheel, 49 PMDC motors, brushless, 73 PMDC (permanent magnet direct current) motor, 62 Pneumatic systems, high-pressure, 37 Polaroid 6500 Ultrasonic Range Finder, 244 Poles and throws, 128–129 Pop rivets, 200–201 Popularity, robot sumo’s growing, 277 Ports, RC (radio control) servo, 267 Position sensitive detectors (PSDs), 245 Potentiometers, 143 Potting batteries, not, 83 Power electronics and computing, 22 getting to one’s wheels, 103–124 and heat, 68–72 input, 65 output, 65, 70 overall, 64 requirements, 26, 68 Power, it’s all about, 79–100 battery capacity basics, 83–91 battery power requirements, 80–83 battery types, 92–99 electrical wiring requirements, 91–92 installing batteries, 100 Power servo amplifiers, Bully, 152 Power to wheels, ways to provide, 59 Power transmission, 103–124 belt drive systems, 118–121 chain drive systems, 115–118 gearboxes, 122–124 getting power to wheels, 103–124 methods of, 114 power transmission basics, 106–115 Power transmission basics force, 109, 109–111 location of locomotion components, 112 methods of power transmission, 114 mounting motors, 112–113 thermal conditions for motors, 113 thermal consideration for motors, 113–114 torque, 109 Powered axles drives, 57–59 wheel permanently mounted to, 59 Practice driving, 34 Pre-cut slots, wheel assembly with, 59 Precipitating-hardening alloys, 187 Printed circuit boards (PCBs), 336–337 soldering, 338 Production equipment, old, 35 Programs Basic Stamp 1, 294–296 sample Basic Stamp 1, 289–290 Propulsion, providing to bots, 25 Propulsion system, efficiency of, 46 Prototyping boards, breadboarding and using, 336–337 Prototyping electronics, 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 Prototyping, wirewrapping, 337 Proximity Sensors Sharp GP2D05 Infrared, 245 Index 371
372 Build Your Own Combat Robot Sharp GP2D15 Infrared, 245 PSDs (position sensitive detectors), 245 PTC (makers of Pro/E CAD software), 28 Pulleys, V-belt, 121 Pulse Code Modulation (PCM), 168–170 available RC systems, 169 choosing radio systems, 169 received data is evaluated channel by channel, 168 Pulse width modulation (PWM), 140–142, 300 Pulverizers, 7 Purchasing batteries, 83–84 Pushing forces, 64, 111 Pushing robots, 207 PWM (pulse width modulation), 140–142, 300 Pyroelectric sensor, 242 Q Quadrupeds, 43 R R/C (radio-controlled) model race cars, 48 Race cars, R/C (radio controlled) model, 48 Radio control frequencies, 162 Radio control (RC), 158 Radio control system, 27 traditional, 154 Radio-controlled machine, 22 Radio frequency bands 50MHz, 163 75MHz, 163–164 72MHz, 163 27MHz, 162–163 United Kingdom, 164 Radio frequency crystals, 164–165 Radio interference overcoming, 170 and reliable control, 170–173 Radio interference, AM, FM, PCM and, 167–170 AM (amplitude modulation), 167 FM (frequency modulation), 167–168 PCM (Pulse Code Modulation), 168–170 Radio modems, 178–179 miscellaneous, 175–179 Radio systems allow changing transmitting frequencies, 165 with computerized receivers, 180 and loss of signal, 179 Radio to radio interference, 172–173 Radios computer, 169 RC (radio control), 307 Raisers, hell, 7 Ram bots, 205–207 ram design, 205–207 strategy, 207 Ram rods, 7 Range detectors, ultrasonic, 300–301 Range Finders Devantech SRF04 Ultrasonic, 243–244 Polaroid 6500 Ultrasonic, 244 Range Sensors Sharp GP2D02 Infrared, 245 Sharp GP2D12 Infrared, 245 Rare-earth magnets, 73 Rating, Ahr (amp-hour), 83 Ratings, current, 129–131 RC controller’s interface, 159 RC controls, traditional, 158–160 RC controller’s interface, 159 RC servo, 160 RC (radio control) gear, 158 radios, 307 system, 261 RC (radio-controlled) system receiver, 112 RC (remote-controlled) robots, 240 RC servo ports, 267 RC servos, 135, 136–137, 160 developing custom controls for driving, 154 modifying, 281–283 RC subsystems, 178 Real-life robots: lessons from veteran builders, 305–327 Pete Miles—building Live Wires, 316–327 Ronni Katz—building Chew Toy, 306–315 Receivers radio systems with computerized, 180 RC (radio-controlled) system, 112
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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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10 Build Your Own Combat Robot Pinb
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12 Build Your Own Combat Robot FIGU
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16 Build Your Own Combat Robot Robo
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18 Build Your Own Combat Robot In t
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22 S we said in Chapter 1, it’s g
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24 Build Your Own Combat Robot Even
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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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46 Build Your Own Combat Robot Bot
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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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104 NE of the most important consid
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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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248 Build Your Own Combat Robot tub
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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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278 Build Your Own Combat Robot In
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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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Final Words Chapter 14: Real-Life R
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Chapter 14: Real-Life Robots: Lesso
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Chapter 14: Real-Life Robots: Lesso
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Page 375 and 376: 356 OLLOWING are formulas that you
Page 377 and 378: 358 Index 1BDI, 272 1/4 wave antenn
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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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