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2016-11-17 20:04:31 -0500 asked a question How to verify odom --> base_link is accurate or not?

I'm using AMCL and when I specify a goal to navigation, the pose of my robot drift.While AMCL need odom --> base_link tf and laserscan data,so how can I verify odom --> base_link is accurate or not?

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2016-10-14 03:53:53 -0500 asked a question May I run Parameter Server separated?

Hi everybody: Does there any way to separate Parameter Server from roscore, and run alone!

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2016-04-29 03:25:15 -0500 commented answer Relations between odom coordinate and map coordinate system when create a map?

Thanks for your answer! And,do you know the theory of map-->odom transform?

2016-04-29 01:00:14 -0500 asked a question Relations between odom coordinate and map coordinate system when create a map?

I‘m using slam_gmapping to create a map.I can successfully created a map,but I don't know the relationship between odom coordinate and map coordinate.

In my opinion,both map and odom coordinate frame is fixed,but when I move my robot,the position of odom coordinate frame changed.!

I want to know why odom frame is changed and how to compute odom's value? Can anyone help me?