Book Image

ROS Robotics Projects - Second Edition

By : Ramkumar Gandhinathan
Book Image

ROS Robotics Projects - Second Edition

By: Ramkumar Gandhinathan

Overview of this book

Nowadays, heavy industrial robots placed in workcells are being replaced by new age robots called cobots, which don't need workcells. They are used in manufacturing, retail, banks, energy, and healthcare, among other domains. One of the major reasons for this rapid growth in the robotics market is the introduction of an open source robotics framework called the Robot Operating System (ROS). This book covers projects in the latest ROS distribution, ROS Melodic Morenia with Ubuntu Bionic (18.04). Starting with the fundamentals, this updated edition of ROS Robotics Projects introduces you to ROS-2 and helps you understand how it is different from ROS-1. You'll be able to model and build an industrial mobile manipulator in ROS and simulate it in Gazebo 9. You'll then gain insights into handling complex robot applications using state machines and working with multiple robots at a time. This ROS book also introduces you to new and popular hardware such as Nvidia's Jetson Nano, Asus Tinker Board, and Beaglebone Black, and allows you to explore interfacing with ROS. You'll learn as you build interesting ROS projects such as self-driving cars, making use of deep learning, reinforcement learning, and other key AI concepts. By the end of the book, you'll have gained the confidence to build interesting and intricate projects with ROS.
Table of Contents (14 chapters)

Creating a teleoperation node using the Leap Motion controller

In this section, we will demonstrate how to create a teleoperation node for a robot using Leap Motion data. The procedure is very simple. We can create a ROS package for this node using the following steps:

  1. The following is the command to create a new package. You can also find this package in chapter_11_ws/vr_leap_teleop:
$ catkin_create_pkg vr_leap_teleop roscpp rospy std_msgs visualization_msgs geometry_msgs message_generation visualization_msgs  

After creation, you could build the workspace using catkin_make command.

  1. Now, let's create the node to convert Leap Motion data to Twist. You can create a folder called scripts inside the vr_leap_teleop package.
  2. Now you can copy the node called vr_leap_teleop.py from our repository at https://github.com/PacktPublishing/ROS-Robotics-Projects-SecondEdition/blob/master...