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Retrieving robot orientation/location

asked 2013-10-13 18:02:29 -0500

FuerteNewbie gravatar image

updated 2013-10-13 18:03:05 -0500

http://wiki.ros.org/hokuyo_node/Tutorials/UsingTheHokuyoNode

Hi guys,

I am currently doing the tutorial above and I know this is quite stupid to ask but do you guys know how do I get to know my orientation of my robot(current just a sensor)? What kind of ros command?

PS: using ROS fuerte

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There is not simple command to get the orientation as that must be defined first. Orientation relative to what? Are you looking at pitch/roll angles only or do you care about orientation in some fixed world frame? In the latter case you need an algorithm like SLAM or localization.

dornhege gravatar image dornhege  ( 2013-10-13 20:33:50 -0500 )edit

I need to know the yaw pitch roll and the angle of the robot.

FuerteNewbie gravatar image FuerteNewbie  ( 2013-10-13 20:57:41 -0500 )edit

Do you only have the laser as a sensor? Do you have a map that you localize in?

dornhege gravatar image dornhege  ( 2013-10-13 21:06:28 -0500 )edit

Yes I have a hokuyo laser as my sensor, as I am doing amcl I not yet have a map, just trying to figure out how can I display all those data in prompt or whatever to show it is functioning well.

FuerteNewbie gravatar image FuerteNewbie  ( 2013-10-13 21:46:37 -0500 )edit

Without a map and other input, you need a SLAM approach like hector_mapping.

dornhege gravatar image dornhege  ( 2013-10-13 22:50:49 -0500 )edit

How am I suppose to do?

FuerteNewbie gravatar image FuerteNewbie  ( 2013-10-13 23:14:35 -0500 )edit

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answered 2013-10-13 23:53:27 -0500

dornhege gravatar image
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Asked: 2013-10-13 18:02:29 -0500

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Last updated: Oct 13 '13