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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
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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
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Carol Fairchild
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Toc

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

Controlling a real Baxter


The baxter_examples programs described in the subsections within the Launching Baxter Simulator in Gazebo section also work on a real Baxter robot. Some additional arm control programs that work on a real Baxter but not on Baxter Simulator are described in the following sections.

Commanding joint position waypoints

This program is another example of joint position control for Baxter's arms. Baxter's arm is moved using the Zero-G mode to freely configure the arm's joints to the desired position. When the desired position is attained, the corresponding navigator button on the arm is pressed to record the waypoint position. This baxter_examples program is executed with the following command, specifying either right or left for the arm that is to be moved:

$ rosrun baxter_examples joint_position_waypoints.py -l <right or left>

The output should be as follows:

...
Press Navigator 'OK/Wheel' button to record a new joint position waypoint.
Press Navigator 'Rethink...
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