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4.5.1 Move Group interface

Course subject(s) Module 4. Manipulation

In this lecture, we learn how we enter commands in our own ROS node using the MoveGroup Interface and create a simple pick and place pipeline.

MoveGroup Interface:

  • APIs access capabilities of move_group ROS node
  • MoveIt!-base ROS applications
  • Setup a simple pick and place pipeline
      • using ROS action clients

Conceptual overview

MoveIt takes care of trajectory execution (with Gazebo or hardware)
MoveGroup Interface sends these trajectories (MoveIt! Commander uses this implicitly)

Why?

  • MoveIt! commander scripts
      • program sequence of commands
  • Why learn MoveGroup Interface to do the same thing?
      • access more capabilities
      • process intermediate results
      • flexibility
  • Automated behavior
      • motion module is just one component
      • user input should just be one press
Creative Commons License
Hello (Real) World with ROS - Robot Operating System by TU Delft OpenCourseWare is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Based on a work at https://online-learning.tudelft.nl/courses/hello-real-world-with-ros-robot-operating-systems//.
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