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2023-05-15 06:45:42 -0500 received badge  Famous Question (source)
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2017-12-03 21:40:32 -0500 commented question Inflation layer disappears in some area

In the blue area, the color is blue at first, but then it just disappears. I just move the robot forward.

2017-12-03 21:40:11 -0500 edited question Inflation layer disappears in some area

Inflation layer disappears in some area I run amcl and move_base, and the inflation layer disappears in some area but ap

2017-12-03 21:37:28 -0500 commented question Inflation layer disappears in some area

See the blue area. The color is blue at first, but then it just disappears. I just move the robot forward.

2017-12-03 20:40:59 -0500 received badge  Organizer (source)
2017-12-03 20:37:30 -0500 edited question Inflation layer disappears in some area

Inflation layer disappears in some area I run amcl and move_base, and the inflation layer disappears in some area but ap

2017-12-03 20:37:21 -0500 edited question Inflation layer disappears in some area

Inflation layer disappears in some area I run amcl and move_base, and the inflation layer disappears in some area but ap

2017-12-03 20:34:58 -0500 edited question Inflation layer disappears in some area

Inflation layer disappears in some area I run amcl and move_base, and the inflation layer disappears in some area but ap

2017-12-03 20:34:40 -0500 edited question Inflation layer disappears in some area

Inflation layer disappears in some area I run amcl and move_base, and the inflation layer disappears in some area but ap

2017-12-03 20:33:29 -0500 edited question Inflation layer disappears in some area

Inflation layer disappears in some area I run amcl and move_base, and the inflation layer disappears in some area but ap

2017-12-03 20:33:29 -0500 received badge  Editor (source)
2017-12-03 20:29:55 -0500 edited question Inflation layer disappears in some area

Inflation layer disappears in some area I run amcl and move_base, and the inflation layer disappears in some area but ap

2017-12-03 20:27:36 -0500 asked a question Inflation layer disappears in some area

Inflation layer disappears in some area I run amcl and move_base, and the inflation layer disappears in some area but ap

2015-07-28 03:18:03 -0500 received badge  Good Question (source)
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2015-06-08 21:30:06 -0500 asked a question Scan message must contain angles from -x to x

I follow the tutorial turtlebot_simulator to make a map in a simulated world.But when I run

roslaunch turtlebot_gazebo gmapping_demo.launch

a error that scan message must contain angles from -x to x occurs, as show below. How to deal with it.

[ERROR] [1433813576.466253926, 24.270000000]: Scan message must contain angles from -x to x, i.e. angle_min = -angle_max

2015-03-27 19:41:36 -0500 received badge  Famous Question (source)
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2015-03-07 13:12:22 -0500 asked a question Turtlebot doesn't walk in a straight line

There may be something wrong with one of the wheels of my TurtleBot. And it sometimes doesn't walk in a straight line but sometimes does. Are there any algorithms or nodes to monitor the topic which publishes the Twist message and the IMU data to make the TurtleBot walk matching the Twist message? Please help me.