Book Image

Mastering ROS for Robotics Programming, Third edition - Third Edition

By : Lentin Joseph, Jonathan Cacace
Book Image

Mastering ROS for Robotics Programming, Third edition - Third Edition

By: Lentin Joseph, Jonathan Cacace

Overview of this book

The Robot Operating System (ROS) is a software framework used for programming complex robots. ROS enables you to develop software for building complex robots without writing code from scratch, saving valuable development time. Mastering ROS for Robotics Programming provides complete coverage of the advanced concepts using easy-to-understand, practical examples and step-by-step explanations of essential concepts that you can apply to your ROS robotics projects. The book begins by helping you get to grips with the basic concepts necessary for programming robots with ROS. You'll then discover how to develop a robot simulation, as well as an actual robot, and understand how to apply high-level capabilities such as navigation and manipulation from scratch. As you advance, you'll learn how to create ROS controllers and plugins and explore ROS's industrial applications and how it interacts with aerial robots. Finally, you'll discover best practices and methods for working with ROS efficiently. By the end of this ROS book, you'll have learned how to create various applications in ROS and build your first ROS robot.
Table of Contents (22 chapters)
1
Section 1 – ROS Programming Essentials
4
Section 2 – ROS Robot Simulation
11
Section 3 – ROS Robot Hardware Prototyping
15
Section 4 – Advanced ROS Programming

Simulating a robotic arm using CoppeliaSim and ROS

In the previous chapter, we used Gazebo to import and simulate the seven-degrees of freedom (DOF) arm designed in Chapter 3, Working with ROS for 3D Modeling. Here, we will do the same thing using CoppeliaSim. The first step to simulate our seven-DOF arm is to import it in the simulation scene. CoppeliaSim allows you to import new robots using URDF files; for this reason, we must convert the xacro model of the arm in a URDF file, saving the generated URDF file in the urdf folder of the csim_demo_pkg package, as follows:

rosrun xacro seven_dof_arm.xacro >  /path/to/csim_demo_pkg/urdf/seven_dof_arm.urdf

We can now import the robot model, using the URDF import plugin. Select from the main drop-down menu the Plugins | URDF import entry and press the Import button, choosing the default import options from the dialog window. Finally, select the desired file to import, and the seven-DOF arm will appear in the scene, as...