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[ROS Q&A] 074 – Aerodynamic parameters of lift-drag plugin part2

by Miguel Angel | Dec 4, 2017 | ROS Q&A

In this video we complete the answer given previously ( https://www.youtube.com/watch?v=I-dhwqxV7QM ) with a more complex shape. Here is the question:...

[ROS Q&A] 073 – How to add a simple wall to a Gazebo world

by Alberto Ezquerro | Dec 4, 2017 | ROS Q&A

Q: I created a custom gazebo world for my turtleBot containing several walls and saved it as a .world file. However when I run the world file the walls that i created do not load. A: Here you can see a simple example of how to launch a simple Gazebo world with...

[ROS Q&A] 072 – How to check your complex URDF

by Ricardo Tellez | Dec 4, 2017 | ROS Q&A

When developing for ROS, you will have to create the URDF of your robot. If your robot is complex and contains lots of different joints, you would like to test how is it going and if you are building the model properly. Here we provide you with a method to...

[ROS Q&A] 071 – How to use ApproximateTimeSynchronizer in Python

by Alberto Ezquerro | Dec 1, 2017 | ROS Q&A

Q: How to use ApproximateTimeSynchronizer in Python? Original question: https://answers.ros.org/question/81126/how-to-use-approximatetime-in-python/ Q: How to check that two topics are synced? Original question:...

[ROS Q&A] 070 – Moving Joints in Gazebo Simple Example

by Ricardo Tellez | Nov 30, 2017 | ROS Q&A

Today's ROS Question: Moving Joints in Gazebo simple example? (https://answers.ros.org/question/273947/moving-joints-in-gazebo-simple-example/) Answers: You have to create the URDF, add the ros control plugin, and include a config file to configure the plugin. Let's...