Monday, July 30, 2018

ROS in 5 mins

A series of 5 minutes (or more) videos about  different topics in ROS from "The Construct"

023 - Understanding ROS Coordinate Frame (Part 1 /2)

coordinate frames convention , linear and angular motion
Which X are forward, which direction are positive rotation

110 - How to launch two drones on a Single Gazebo Simulation

Show you how you can launch two drones (or more) in the same Gazebo simulation, each one having its own independent control system based on ROS. This procedure can be replicated to launch as many drones as required.

044 - How to convert quaternions to Euler angles

The following example can help you understand how to use the conversion from quaternions provided by an Odometry message to Euler angles Roll, Pitch and Yaw.

135 -How to rotate a robot to a desired heading using feedback from odometry

Rotate our robot based on data from odometry. We will subscribe to /odom topic to get the heading of our robot, process it, and then send a command over the
/cmd_vel_mux/input/teleop topic.

070 - Moving Joints in Gazebo Simple Example

Create URDF, add the ros control plugin, and include a config file to configure the plugin. launch and send commands (see


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