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[ROS Q&A] 144 – What is the difference between ROS topics and messages?

by Marco Arruda | Jul 30, 2018 | ROS Q&A

In this video we are going to explain and show in a practical way the difference between ROS topics and messages. We show two nodes running, one publishing to a given topic and another subscribing to this same topic. RQT graph is used to see the big picture of the...

ROS Developers LIVE-Class #28: Robot Behavior Design using the FlexBe Engine | Round 3

by The Construct | Jul 30, 2018 | ROS LIVE-Class

The 3rd of three(3) live classes on Robot Behavior Design using the FlexBe Engine. The FlexBe Engine allows you to string together various states easily, make changes at runtime and create simple behaviors using Drag & Drop interface equipped with many...

[ROS Projects] – Use OpenAI_ROS with TurtleBot2 Step-by-Step #Part 2

by Miguel Angel | Jul 30, 2018 | ROS Q&A

In this second part, you will continue by creating your own TaskEnvironment for a different TurtleBot simulation environment with a wall. You will create this Task Env that allows the robot to learn how to reach a certain position in the map without running...

[ROS Q&A] 143 – How to connect MoveIt to the Robot

by Alberto Ezquerro | Jul 26, 2018 | ROS Q&A

In this tutorial of ROS Q&A Series, we're going to see how to connect movit to the (simulated, in this case) robot. This is a video trying to answer the following question posted at the ROS answers forum:...

ROS Developers LIVE-Class #27: Robot Behavior Design using the FlexBe Engine | Round 2

by The Construct | Jul 23, 2018 | ROS LIVE-Class

The 2nd of three(3) live classes on Robot Behavior Design using the FlexBe Engine. The FlexBe Engine allows you to string together various states easily, make changes at runtime and create simple behaviors using Drag & Drop interface equipped with many...