LEGO MINDSTORMS - Building Robots part 5 pptx

... some exam- ples of what can be done with them, our assumption being that you continue to use LEGO parts to build your robots, and the RCX to run them; thus, we’ll dis- cuss the use of non -LEGO sensors ... plat- form again and resumes a straight motion. ■ Tri-Star Wheel Drive The Tri-Star configuration has been designed for high-mobility, all-terrain vehicles. Each “wheel” is actually an e...

Ngày tải lên: 10/08/2014, 04:22

... Sprinkler ■ Designing Other Useful Robots Chapter 25 493 174 _LEGO_ 25 10/29/01 4:49 PM Page 493 Contests Part III 174 _LEGO_ 26PIII 10/29/01 4 :52 PM Page 51 1 51 8 Chapter 26 • Racing Against Time ■ Acceleration ... example. Dividing by 1 25 instead of 1 250 , the result is: – 650 / 1 25 = 5. 2 As acceleration is negative.The code performs the rounding by subtracting 5, then div...

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... with Precision 51 8 Line Following 51 9 Wall Following 52 0 Other Races 52 2 Summary 52 3 Chapter 27 Hand-to-Hand Combat 52 5 Introduction 52 6 Building a Robotic Sumo 52 6 Setting the Rules 52 7 Design Other ... Other Useful Robots 50 8 Summary 50 9 Part III Contests 51 1 Chapter 26 Racing Against Time 51 3 Introduction 51 4 Hosting and Participating in Contests 51 4 Opt...

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... (Base) B (Height) A 2 B 2 A 2 + B 2 Comments 5 6 25 36 61 This doesn’t work. 3 8 9 64 73 This doesn’t work. 3 4 9 16 25 This works! 25 is 5 x 5. 15 8 2 25 64 289 This works too, though 289 is 17 ... triad 3-4 -5 (see the third line in Table 1.1). If you multiply each side of the triangle by a whole number, you still get a valid triad. By 2: 6-8 -1 0 (the one of our first ex...

Ngày tải lên: 10/08/2014, 04:22

... the LUGNET LEGO Parts Reference (see Appendix A for the URL to the site). Building Strategies • Chapter 5 85 Figure 5. 2 Alternating Plates and Beams 174 _LEGO_ 05 10/ 25/ 01 3: 15 PM Page 85 Reading ... first motor con- verts the mechanical energy coming from your fingers into electric cur- rent, which makes the second motor turn. Bricks & Chips… 174 _LEGO_ 03 10/ 25/ 01 3:12 PM...

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... Figure 5. 5 shows three examples: a being the worst case, with c the best. www.syngress.com Figure 5. 5 Keep a Wheel as Close as Possible to Its Supporting Beam 174 _LEGO_ 05 10/ 25/ 01 3: 15 PM Page 88 Building ... the robot instead of the www.syngress.com Figure 5. 6 Two Supporting Beams Are Better than One 174 _LEGO_ 05 10/ 25/ 01 3: 15 PM Page 89 90 Chapter 5 • Building Strat...

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... discontinued the pro- duction of air-powered models. Fortunately, LEGO pneumatic devices have been recently reissued in a specific service pack ( #52 18) available through Shop-At- Home or at the LEGO Internet ... not have LEGO pneumatic parts, or you don’t have room on your robot to fit a pneumatic compressor plus a pressure switch and some motor-driven valve switches.We’ve seen that RCX...

Ngày tải lên: 10/08/2014, 04:22

... 50 0 converting to 100 percent, and this is what you get from the interpolation formula: m = (0 – 100) / (900 – 50 0) = –0. 25 b = 100 + 0. 25 x 50 0 = 2 25 Y= –0. 25 x X+ 2 25 www.syngress.com 174 _LEGO_ 12 ... of 55 0 to 850 . In the event you had to multiply them with other numbers, you could subtract 50 0 from all your readings to move them down into the range of 50 to 350 . ww...

Ngày tải lên: 10/08/2014, 04:22

... (Figure 15. 33). www.syngress.com Figure 15. 32 The Left Leg Figure 15. 33 Bottom View 174 _LEGO_ 15 10/29/01 4:16 PM Page 301 290 Chapter 15 • Building Robots That Walk www.syngress.com Figure 15. 15 Our ... is stable. www.syngress.com Figure 15. 4 The COG of an Object May Lie Outside It 174 _LEGO_ 15 10/29/01 4: 15 PM Page 283 Building Robots That Walk • Chapter 15 3 05 In th...

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... connectors in the LEGO line, num- bered 1 to 6. In case you’re wondering how the numbers relate to angles, here are the correspondences: 1 = 0°, 2 = 180°, 3 = 157 .5 , 4 = 1 35 , 5 = 112 .5 , 6 = 90°. ... Replicating Renowned Droids Solutions in this chapter: ■ Building an R2-D2-Style Droid ■ Building a Johnny Five-Style Droid Chapter 18 349 174 _LEGO_ 18 10/29/01 4:28 PM Page 349 Unc...

Ngày tải lên: 10/08/2014, 04:22