By James J. Trobaugh
Successful layout! LEGO Mindstorms NXT layout styles for enjoyable and pageant is ready layout that works. It’s approximately development with LEGO MINDSTORMS NXT for enjoyable, for schooling, yet in particular for pageant. writer James Trobaugh is an skilled trainer and chief within the FIRST LEGO League. during this publication, he stocks his hard-won wisdom approximately layout rules and strategies that give a contribution to good fortune in robotics competitions.
Winning layout! unlocks the secrets and techniques of trustworthy layout utilizing LEGO MINDSTORMS NXT. You’ll study confirmed layout styles that you should hire for universal initiatives akin to turning, pushing, and pulling. You’ll lessen and catch up on version in functionality from battery cost degrees and motor calibration changes. You’ll produce designs that won’t frustrate you through now not operating, yet that may pride you with their trustworthy functionality within the warmth of competition.
Good layout is set greater than simply the undefined. software program counts for lots, and successful layout! has you coated. You’ll locate chapters on software layout and association with tips about powerful coding and documentation practices. You’ll know about grasp courses and the wanted flexibility they supply. There’s even a bit on providing your robotic and software program designs to the judges.
Winning layout! is the ebook you wish in the event that your occupied with competitions equivalent to FIRST LEGO League occasions. no matter if trainer, mum or dad, or pupil, you’ll locate a lot during this booklet to make your layout and pageant adventure enjoyable and noteworthy, and academic.
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Extra info for Winning Design!: LEGO MINDSTORMS NXT Design Patterns for Fun and Competition
Figure 1–12. An NXT Light Sensor Ultrasonic Sensor Like the Light Sensor, the Ultrasonic Sensor (see Figure 1–13) will also give the power of vision to your robot. Instead of detecting light, the Ultrasonic Sensor will send out sound waves to hit a surface and return. It will measure distance by calculating the time it takes for the sound wave to return after bouncing off the surface. Large flat surfaces are the easiest to detect with the Ultrasonic Sensor; round or thin objects are very difficult for the Ultrasonic sensor to detect.
You can reduce the gears more by meshing gears of even higher differences in teeth count, such as combining an eight-tooth gear with a 40-tooth gear to produce a 5:1 reduction. For even greater reductions, you can join pairs of gears together. Two sets of 3:1 gears would produce a 9:1 reduction, as shown in Figure 2–13. You can continue this concept to create extensive gear reduction to produce far more torque than you’d ever need for an FLL robot. Figure 2–13. A pair of 3:1 gears joined together to produce a 9:1 gear reduction 33 CHAPTER 2 ■ CHASSIS DESIGN As you can imagine, if you switched the input to the 24-tooth gear and the output to the eight-tooth gear, you would cause the gear ratio to switch as well.
It’s not easy for a big robot to go fast. Also with speed, the risk of mistakes can increase; it’s easy for a speedy robot to miss goals. Many times, it’s hard for a fast robot to be accurate, so it’s a good idea to start out slowly and then increase the speed as you practice your missions. Batteries Even though I didn’t list batteries as one of the design aspects, they do have an effect on all three of the principles—size, power, and speed. Obviously, the faster your robot runs, the more battery power it will consume.
Winning Design!: LEGO MINDSTORMS NXT Design Patterns for Fun and Competition by James J. Trobaugh