Build Your Own Combat Robot

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FIGURE 12-5 Robo-Goose, a robotic goose that is controlled by a traditional R/C system and a BrainStem microcontroller to perform a servo mixing function. (courtesy of Acroname) FIGURE 12-6 The underwater thruster system used with the Robo-Goose. (courtesy of Acroname) Chapter 12: Robot Brains 269 The mechanics for the Robo-Goose are two thruster motors lying below the surface in the water that can run to create forward or reverse thrust in the goose, as shown in Figure 12-6.
270 Build Your Own Combat Robot FIGURE 12-7 BrainStem bug, a six-legged walking robot that uses three BrainStems to interpret two R/C input signals to control 12 different servos. (courtesy of Acroname) The Robo-Goose demonstrates an important concept in robotics control that we will call microcontroller assisted control. The inputs coming from the operator are translated into commands that affect certain motions on the robot. In mathematics, this is called a mapping; and in the case of the goose, two inputs (steering and forward motion) are translated, or mapped, into forward and reverse commands for the right and left thruster motors on the goose. The BrainStem Bug The BrainStem bug also uses microcontroller-assisted control to manipulate many different outputs from two simple inputs. The two outputs from the R/C receiver are fed into a small parallel microcontroller core consisting of three networked BrainStem controllers. Each BrainStem controls two legs, one for the front pair, one for the middle, and one for the back pair of legs. Figure 12-7 shows a photograph of the walking robot. Simple forward and backward commands from the transmitter are translated into complex walking patterns with six servo actuators controlling the left legs and six more controlling the right legs of the robot. In this case, the assistance of the computer becomes crucial to the operation of the robot. Twelve servo actuators control the robot, and complex patterns are used to make the robot walk forward and backward, turn right and left, and even spin right or left while stepping in place.
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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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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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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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56 Build Your Own Combat Robot Thro
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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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100 Build Your Own Combat Robot Ins
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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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154 Build Your Own Combat Robot At
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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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Page 259 and 260: 240 HE robots described in the book
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Page 280 and 281: FIGURE 12-1 From top left to bottom
Page 282 and 283: Chapter 12: Robot Brains 263 space
Page 284 and 285: FIGURE 12-2 The BoeBot from Paralla
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Page 292: S ummary Chapter 12: Robot Brains 2
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Chapter 14: Real-Life Robots: Lesso
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design all the parts, and Dave did
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FIGURE 14-12 The 4-inch-tall alumin
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FIGURE 14-15 Internal view of Live
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Chapter 14: Real-Life Robots: Lesso
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330 The Future of Robot Combat The
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336 NLESS you’re building an exac
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344 S promised, following are some
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350 Build Your Own Combat Robot Mic
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356 OLLOWING are formulas that you
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358 Index 1BDI, 272 1/4 wave antenn
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sources of robot parts, 35 top ten
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INTERNATIONAL CONTACT INFORMATION A
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