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ROS Robotics Projects

ROS Robotics Projects

By : Lentin Joseph
4.1 (11)
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ROS Robotics Projects

ROS Robotics Projects

4.1 (11)
By: Lentin Joseph

Overview of this book

Robot Operating System is one of the most widely used software frameworks for robotic research and for companies to model, simulate, and prototype robots. Applying your knowledge of ROS to actual robotics is much more difficult than people realize, but this title will give you what you need to create your own robotics in no time! This book is packed with over 14 ROS robotics projects that can be prototyped without requiring a lot of hardware. The book starts with an introduction of ROS and its installation procedure. After discussing the basics, you’ll be taken through great projects, such as building a self-driving car, an autonomous mobile robot, and image recognition using deep learning and ROS. You can find ROS robotics applications for beginner, intermediate, and expert levels inside! This book will be the perfect companion for a robotics enthusiast who really wants to do something big in the field.
Table of Contents (13 chapters)
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Interfacing robot hardware with ROS

In this section, we will see how we can interface a robot's embedded controller with ROS. The embedded controller can send speed commands to the motors and obtain speed commands from robot controller nodes. The ROS robot controller nodes receive linear and angular Twist command from the ROS navigation stack. The Twist command will be subscribed to by the robot controller node and converted into equivalent motor velocity, that is Vl and Vr.

The robot controller nodes also receive encoder ticks from the embedded controller and calculate the distance traveled by each wheel. Let's take a look at the robot controller nodes.

The Chefbot robot controller nodes are placed in chefbot_bringup/scripts. You can check out each node; they're all written in Python.

  • launchpad_node.py: This is the ROS driver node for handling Launchpad boards. This node will receive serial data from Launchpad and also send data to the board. After running this node, we will...

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