Building Smart LEGO MINDSTORMS EV3 Robots电子书

Title Page

Copyright and Credits

Building Smart LEGO MINDSTORMS EV3 Robots

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Foreword

Contributors

About the author

About the reviewer

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Preface

Who this book is for

What this book covers

To get the most out of this book

Download the example code files

Download the color images

Robots in action

Conventions used

Get in touch

Reviews

Introduction to Smart Robots

What makes a robot smart?

Examples of smart robots in the real world

Robotic vacuum cleaners

Autonomous cars

Where does the EV3 fit in?

What will we build and why?

Summary

Security Tank – Object-Tracking Robot

Technical requirements

Mechanical design

Drivetrain

Turret

Firing projectiles

Ammo silos

Rotation

Spiked roller

Sensors

Programming

Setting up the program

Beacon check

Setting up the switch

Programming the false case

Change to tabbed view

Following the beacon

Proportional steering

Measuring distance to control speed

K values

Controlling the driving

Aiming the turret

Fire!

Using the compare switch

Program the switch cases

Keeping the beacon in sight

Set up the first switch (right side)

Program the return-to-center (right side)

Programming the left side

Putting it all together

Summary

Omnilander – Ultimate All-Terrain Vehicle

Technical requirements

Mechanical design

Drivetrain – tank tracks reapplied

Climbing mechanism

Hook submechanism

Jack submechanism

Proximity sensors

Ultrasonic sensor

Infrared sensor

Programming

RC

Setting up the loop

Setting up the switch

Configuring the switch cases

Autonomous mode

Setting up the loop and switches

Programming the false case

Programming the true case

Programming the obstacle avoidance sequence

Programming the climbing sequence

Putting it all together

Summary

Timmyton – Interactive Robotic Shark

Technical requirements

Mechanical design

Drivetrain

Cosmetics

Chassis

Pectoral fins

Jaws

Tail

Animating the jaws and tail

Chomping jaws

Wagging tail

Sensors

Infrared sensor

Color sensor

Programming

GUI

Creating the menu graphics

Programming the GUI

Operating modes

Remote control

Jaws

Hungry mode

Funky mode

Autonomous

Putting it all together

Summary

Grunt – Quirky Bipedal Robot

Technical requirements

Mechanical design

Walking mechanism

Cosmetic design

Motorized functions

Mouth

Arms

Sensors

Infrared sensor

Color sensor

Touch sensor

Programming

Setting up a simple AI

Initial code

Nesting the switches

Programming the modes

Hungry mode

Handshake

Remote control

Tantrum

Handshake – alternative trigger

Null case

Putting it all together

Summary

Falcon – Remote Control Race Car

Technical requirements

Mechanical design

Drivetrain

Drive motors

Gear ratios

Differential

Final drive ratio

Steering

Cosmetic design

Sensors

Infrared sensor

Rotation sensor

Programming

Control scheme

MyBlocks

Centering the steering

Saving code as a MyBlock

Steering left

Steering right

Returning the steering to center

Assembling the program

Accessing your MyBlocks

Getting started

Programming the cases

Putting it all together

Summary

GPS Car – Autonomous EV3 Navigation

Technical requirements

Hardware

Dexter Industries dGPS

Basic principles of GPS navigation

Using the dGPS

HiTechnic compass

Using the compass

Modifying the Falcon

Software

Preparing the EV3 software

GPS test program

Sensor blocks

Text blocks

Display blocks

Wait block

Putting it all together

Autonomous navigation

Acquiring target coordinates

MyBlocks for car steering

Importing/exporting MyBlocks

Steering left and right

getAngle MyBlock

Program

Save as MyBlock and create parameters

Define parameter inputs/outputs within the code

Writing the program

Putting it all together

Summary

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