Book Image

Hands-On ROS for Robotics Programming

By : Bernardo Ronquillo Japón
Book Image

Hands-On ROS for Robotics Programming

By: Bernardo Ronquillo Japón

Overview of this book

Connecting a physical robot to a robot simulation using the Robot Operating System (ROS) infrastructure is one of the most common challenges faced by ROS engineers. With this book, you'll learn how to simulate a robot in a virtual environment and achieve desired behavior in equivalent real-world scenarios. This book starts with an introduction to GoPiGo3 and the sensors and actuators with which it is equipped. You'll then work with GoPiGo3's digital twin by creating a 3D model from scratch and running a simulation in ROS using Gazebo. Next, the book will show you how to use GoPiGo3 to build and run an autonomous mobile robot that is aware of its surroundings. Finally, you'll find out how a robot can learn tasks that have not been programmed in the code but are acquired by observing its environment. You'll even cover topics such as deep learning and reinforcement learning. By the end of this robot programming book, you'll be well-versed with the basics of building specific-purpose applications in robotics and developing highly intelligent autonomous robots from scratch.
Table of Contents (19 chapters)
1
Section 1: Physical Robot Assembly and Testing
5
Section 2: Robot Simulation with Gazebo
8
Section 3: Autonomous Navigation Using SLAM
13
Section 4: Adaptive Robot Behavior Using Machine Learning

Programming in ROS - Commands and Tools

This chapter focuses on running ROS within GoPiGo3. In the previous chapter, we did the same for a remote laptop, and in the next chapter, we will teach you how to make both a robot and your laptop work together as a single ROS environment.

In this chapter, you will finally learn how to use ROS in the depth required for the advanced chapters later on, which deal with robot navigation and machine learning. ROS can be hard to use at the beginning due to the following factors:

  • It is command-line-based.
  • It handles asynchronous events.
  • It is a distributed computing environment.

Paradoxically, these are the three features that make it really powerful for programming robots. The effort you've invested will be worth it, as you will soon discover.

By working through this chapter, you will become familiar with ROS's command-line interaction...