Turtlebot will not move in gazebo via commands [closed]

asked 2012-08-24 10:32:17 -0500

kachilous gravatar image

updated 2012-08-24 10:35:51 -0500

I am trying to get my turtlebot to move in gazebo. I've tried two different ways. One way was using keyboard teleop (i do have turtlebot apps installed) and the other way was using a C++ program to publish the commands. I've done rostopic echo /cmd_vel both times and I do see the commands are being published correctly. They are just not getting to the turtlebot I guess.

When I do rxgraph, there is an error that says "ERROR: Communication with node[http://ubuntu:32809/] failed!" from /cmd_vel to /rosout. Here is the link to the image: http://imgur.com/8bR6O

What could be the problem?

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Closed for the following reason question is not relevant or outdated by tfoote
close date 2015-04-07 00:09:33.652919

Comments

Hi, I assume you started by roslaunch turtlebot_gazebo turtlebot_empty_world.launch? after turtlebot comes up in gazebo, can you see any rostopics published by turtlebot? (e.g. rostopic hz /joint_states should return about 1kHz)

hsu gravatar image hsu  ( 2012-08-24 10:50:30 -0500 )edit

When I do rostopic hz /joint_states all it says is "subscribed to [/joint_states]"

kachilous gravatar image kachilous  ( 2012-09-03 14:41:06 -0500 )edit
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