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  • Book Overview & Buying Effective Robotics Programming with ROS
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Effective Robotics Programming with ROS

Effective Robotics Programming with ROS - Third Edition

By : Sánchez, Fernandez Perdomo, Mahtani
3.6 (5)
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Effective Robotics Programming with ROS

Effective Robotics Programming with ROS

3.6 (5)
By: Sánchez, Fernandez Perdomo, Mahtani

Overview of this book

Building and programming a robot can be cumbersome and time-consuming, but not when you have the right collection of tools, libraries, and more importantly expert collaboration. ROS enables collaborative software development and offers an unmatched simulated environment that simplifies the entire robot building process. This book is packed with hands-on examples that will help you program your robot and give you complete solutions using open source ROS libraries and tools. It also shows you how to use virtual machines and Docker containers to simplify the installation of Ubuntu and the ROS framework, so you can start working in an isolated and control environment without changing your regular computer setup. It starts with the installation and basic concepts, then continues with more complex modules available in ROS such as sensors and actuators integration (drivers), navigation and mapping (so you can create an autonomous mobile robot), manipulation, Computer Vision, perception in 3D with PCL, and more. By the end of the book, you’ll be able to leverage all the ROS Kinetic features to build a fully fledged robot for all your needs.
Table of Contents (12 chapters)
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11
Index

Configuring the costmaps – global_costmap and local_costmap


Okay, now we are going to start configuring the navigation stack and all the necessary files to start it. To start with the configuration, first we will learn what costmaps are and what they are used for. Our robot will move through the map using two types of navigation: global and local:

  • The global navigation is used to create paths for a goal in the map or at a far-off distance

  • The local navigation is used to create paths in the nearby distances and avoid obstacles, for example, a square window of 4 x 4 meters around the robot

These modules use costmaps to keep all the information of our map. The global costmap is used for global navigation and the local costmap for local navigation.

The costmaps have parameters to configure the behaviors, and they have common parameters as well, which are configured in a shared file.

The configuration basically consists of three files where we can set up different parameters. The files are as follows...

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