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Problems about gmapping under the environment: ROS(hydro)+turtlebot2+rplidar

asked 2014-12-19 03:58:00 -0500

tanghz gravatar image

updated 2014-12-19 19:46:48 -0500

I am really sorry to trouble everyone, and please forgive me for my poor English. But I really face some problems that I can't solve them.

I want to replace the Kinect with the rplidar laser device while gmapping, I fixed the rplidar in the middle of the turtlebot2, I installed the rplidar driver, and I wrote the gmapping launch file.

There's a problem in my map, unfortunately I don't know how to describe this problem in English, I want to upload some map pictures, but I am not qualified to upload images, so I upload my map result pictures to my Baidu network disk :TheGmappingResultPicture
I hope you can visit this website..

And there is another question that I want to disturbe everyone, I tried to follow this method:How to crate a map with gmapping and hokuyo laser However I can't found the folder turtlebot_navigation/config, but I really want to know what's the difference between these two file:turtlebot_navigation/launch/includes/gmapping.launch.xml and turtlebot_navigation/config/gmapping.launch.xml

Once again express my gratitude! Thank you very much!!

Below is my gmapping launch file:

<launch>   
  <node pkg="tf" type="static_transform_publisher" name="laser_base_broadcaster" args="0.00 0 0.24 0 0 0 base_link laser 100" />
  <include file="$(find rplidar_ros)/launch/rplidar.launch" />
  <node name="rviz" pkg="rviz" type="rviz" args="-d $(find rplidar_ros)/rviz/slam.rviz" />
  <node pkg="gmapping" type="slam_gmapping" name="slam_gmapping" output="screen">
    <param name="scan_topic" value="scan" />
    <param name="base_frame" value="base_link"/>
    <param name="odom_frame" value="odom"/>
    <param name="map_update_interval" value="5.0"/>
    <param name="throttle_scans" value="1"/>
    <param name="transform_publish_period" value="0.05"/>
    <param name="maxUrange" value="6"/>
    <param name="sigma" value="0.01"/>
    <param name="kernelSize" value="1"/>
    <param name="lstep" value="0.05"/>
    <param name="astep" value="0.05"/>
    <param name="iterations" value="5"/>
    <param name="lsigma" value="0.075"/>
    <param name="ogain" value="3.0"/>
    <param name="lskip" value="0"/>
    <param name="srr" value="0.05"/>
    <param name="srt" value="0.1"/>
    <param name="str" value="0.05"/>
    <param name="stt" value="0.1"/>
    <param name="linearUpdate" value="0.1"/>
    <param name="angularUpdate" value="0.5"/>
    <param name="temporalUpdate" value="-1.0"/>
    <param name="resampleThreshold" value="0.5"/>
    <param name="particles" value="30"/>
    <param name="xmin" value="-50.0"/>
    <param name="ymin" value="-50.0"/>
    <param name="xmax" value="50.0"/>
    <param name="ymax" value="50.0"/>
    <param name="delta" value="0.05"/>
    <param name="llsamplerange" value="0.01"/>
    <param name="llsamplestep" value="0.01"/>
    <param name="lasamplerange" value="0.005"/>
    <param name="lasamplestep" value="0.005"/>
  </node>
</launch>
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answered 2015-04-16 06:16:01 -0500

Maybe you already solve the problem. If not you can find here how to make RPLidar works with GMapping.

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Thank you so much. And I am sorry that these days I am busy and I forgot to close this question.

tanghz gravatar imagetanghz ( 2015-04-17 22:16:25 -0500 )edit

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Asked: 2014-12-19 03:58:00 -0500

Seen: 771 times

Last updated: Apr 16 '15