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ROS Robotics By Example, Second Edition

You're reading from   ROS Robotics By Example, Second Edition Learning to control wheeled, limbed, and flying robots using ROS Kinetic Kame

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Product type Paperback
Published in Nov 2017
Publisher Packt
ISBN-13 9781788479592
Length 484 pages
Edition 2nd Edition
Languages
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Concepts
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Authors (3):
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Dr. Thomas L. Harman Dr. Thomas L. Harman
Author Profile Icon Dr. Thomas L. Harman
Dr. Thomas L. Harman
Lentin Joseph Lentin Joseph
Author Profile Icon Lentin Joseph
Lentin Joseph
Carol Fairchild Carol Fairchild
Author Profile Icon Carol Fairchild
Carol Fairchild
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Table of Contents (12) Chapters Close

Preface 1. Getting Started with ROS 2. Creating Your First Two-Wheeled ROS Robot (in Simulation) FREE CHAPTER 3. Driving Around with TurtleBot 4. Navigating the World with TurtleBot 5. Creating Your First Robot Arm (in Simulation) 6. Wobbling Robot Arms Using Joint Control 7. Making a Robot Fly 8. Controlling Your Robots with External Devices 9. Flying a Mission with Crazyflie 10. Controlling Baxter with MATLAB© Index

Using MATLAB Robotics System Toolbox and Baxter Simulator

In these next sections, we will explore using MATLAB to publish and subscribe to the Baxter Simulator and control some primary functions of his arms and grippers.

Installing Baxter messages in MATLAB

Baxter has a unique set of ROS messages that are used to communicate with a real Baxter and Baxter Simulator in Gazebo. MATLAB requires that these custom Baxter message and service definitions be processed into ROS custom messages understood by MATLAB.

Locate the ROS packages for Baxter on your computer. If you followed the installation instructions in Chapter 6, Wobbling Robot Arms Using Joint Control, these packages will be located in your Baxter workspace, ~/baxter_ws.

In the MATLAB command window, type the following command:

>> rosgenmsg('~/baxter_ws/src/baxter_common')

This is the location of Baxter's message files. If your Baxter workspace is in another location, use the absolute path name to the baxter_common package...

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