care-o-bot spins in place with move command

asked 2011-10-05 13:09:47 -0600

Paul0nc
271 ●24 ●27 ●36

updated 2014-01-28 17:10:30 -0600

ngrennan
1 ●1 ●1

Does anyone know why the care-o-bot will sit in place and rotate about the z axis with some move commands. For example:

self.sss.move("base","order");

From a startup state, the above command in a python script will cause the bot to spin in place. I'm running ubuntu 10.4 with electric.

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answered 2011-10-05 17:35:58 -0600

fmw
26 ●1 http://www.care-o-bot-...

What kind of navigation are you using? I assume you are using "roslaunch cob_2dnav 2dnav.launch", which is the ROS navigation. Sounds like the robot in not properly localized. Please check the localization in rviz.

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Thanks fmw. Pardon the newbie question... but is it required that I run care-o-bot in rviz? In working through the tutorials, I was under the impression that I could apply navigation goals (by python script) in gazebo. What exactly does rviz add that I cannot do in gazebo? I'd appreciate any comments you have - I'm new at this.

Paul0nc ( 2011-10-06 01:02:28 -0600 )edit

Oh - and yes, I'm using "roslaunch cob2dnav 2dnav.launch"

Paul0nc ( 2011-10-06 01:03:18 -0600 )edit

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answered 2011-10-06 19:32:15 -0600

fmw
26 ●1 http://www.care-o-bot-...

Gazebo is a simulator (generates data) and rviz is a visualization (consumes/visualizes data).