Turtlebot 2D Nav Goal not working

asked 2012-09-12 08:57:29 -0600

Aroarus
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I am running the turtlebot navigation demo in fuerte and 12.04 Precise. Everything works fine up until I try and set a nav goal in rviz, then nothing happens. The console output says that a goal is being set, but the turtlebot does not move and no messages are sent on move_base_simple/goal. I am using the versions of rviz and the demos directly from the repositories with no modifications. Does anyone know why this might be happening?

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answered 2012-09-12 10:01:28 -0600

ahendrix

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It sounds like you don't have the proper goal topic configured in rviz.

In particular, you should set the 2D Nav Toal topic to /move_base_simple/goal in the Tool Properties window.

Take a look at http://ros.org/wiki/navigation/Tutorials/Using%20rviz%20with%20the%20Navigation%20Stack

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Unfortunately, I have that set properly already in rviz. When using rostopic echo to listen to the "move_base_simple/goal" topic however, nothing gets sent when I use the "2D Nav Goal" button in RViz. Also nothing gets sent when I hit the "2D Pose Estimate" button and listen to "initialpose"

Aroarus ( 2012-09-13 07:48:32 -0600 )edit

Are you running ROS over a network? Which machine are you running 'rostopic echo' on?

ahendrix ( 2012-09-13 08:42:08 -0600 )edit

I am running ROS between two computers over my lab wireless network. I have tried running rostopic echo on both the workstation and the mobile computer, with the same result.

Aroarus ( 2012-09-17 09:43:27 -0600 )edit

I would walk through the network setup and make sure everything there is in order: http://www.ros.org/wiki/ROS/NetworkSetup

ahendrix ( 2012-09-17 11:19:53 -0600 )edit

Have you checked your frames.pdf file ? You can check the transforms that are published. Please type below command on another terminal and frames.pdf file will be generated: rosrun tf view_frames

Devasena Inupakutika ( 2013-03-23 07:07:00 -0600 )edit

You should get a tree like the following link --> /map -> /odom -> base_link -> openni_camera. If anyone link is missing, turtlebot won't move and you get warning that particular link is not found. Hope this helps !!

Devasena Inupakutika ( 2013-03-23 07:09:11 -0600 )edit

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answered 2015-06-13 02:21:56 -0600

Castlespike
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Check turtlebot_teleop keyboard_teleop is running on your computer. I had same problem with you but when i killed console controler node, turtlebot moved to the goal.

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