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2017-05-03 19:24:52 -0500 asked a question Merging the creation of map and autonomous navigation of a known map for turtlebot

Merging the creation of map and autonomous navigation of a known map for turtlebot From the turtlebot tutorials, I could

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2017-04-02 03:16:42 -0500 asked a question Kinect not detected in 14.04

I am trying for weeks, but still couldn't make kinect device working in 14.04. But when i use 16.04, it is getting detected. When you run command lsusb on 16.04, it shows Microsoft corp Xbox thrice. But, on 14.04, it doesn't show up anything. (which i am not able to figure out why)

But I don't want to use 16.04 as kobuki turtlebot doesn't have 16.04 support.

Please help me to get kinect working on 14.04(it doesn't even get detected or what am i doing wrong ?)

Thanks in advance.

2017-03-28 18:05:25 -0500 asked a question ERROR: Module uvcvideo not found.

I am trying to debs install turtlebot on 16.04 ,TX1 for ros-kinetic and I receive the below error . I receive the same error on 14.04 for ros-indigo as well. This doesn't let to finish the turtlebot installation.

ERROR: Module uvcvideo not found. dpkg: error processing package ros-kinetic-librealsense (--configure)

subprocess installed post-installation script returned error exit status 1

I cannot find anything online and I don't have any clue how to proceed. Does anyone overcome this.

Thanks in advance.

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2017-03-22 18:10:08 -0500 answered a question Unused args[] for include of

My bad.. I am new to ROS and hence couldn't figure this out previously.

when we <include ...> a file as in the above case, we are passing all the parameters that are mentioned in the <include >......</include> to be used in the file. (In this case, nodelet_manager.launch.) When we don't refer or use them in that file, this unused args issue will comeup.. .May be one of the cases where this issue might come up

2017-03-21 09:24:16 -0500 commented answer turtlebot urdf.xacro file for VLP-16 3D sensor

Thank You.

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2017-03-21 09:12:25 -0500 asked a question Unused args[] for include of

All the arguments are declared prior, but i still receive the same error. couldn't figure out why

unused args [device_ip, manager, port] for include of [/opt/ros/indigo/share/velodyne_driver/launch/nodelet_manager.launch]

please fnd my xml file below


  <!-- declare arguments with default values -->

  <arg name="calibration" default="$(find velodyne_pointcloud)/params/VLP16db.yaml"/>
  <arg name="device_ip" default="" />    
  <arg name="frame_id" default="velodyne" />  
  <arg name="manager" default="$(arg frame_id)_nodelet_manager" />
  <arg name="max_range" default="130.0" />
  <arg name="min_range" default="0.4" />
  <arg name="pcap" default="" />
  <arg name="port" default="2368" />
  <arg name="read_fast" default="false" />
  <arg name="read_once" default="false" />
  <arg name="repeat_delay" default="0.0" />
  <arg name="rpm" default="600.0" />

  <!-- start nodelet manager and driver nodelets -->

  <include file="$(find velodyne_driver)/launch/nodelet_manager.launch">

    <arg name="device_ip" value="$(arg device_ip)"/> 
    <arg name="frame_id" value="$(arg frame_id)"/> 
    <arg name="manager" value="$(arg manager)" />
    <arg name="model" value="VLP16"/>
    <arg name="pcap" value="$(arg pcap)"/>
    <arg name="port" value="$(arg port)"/>
    <arg name="read_fast" value="$(arg read_fast)"/>
    <arg name="read_once" value="$(arg read_once)"/>
    <arg name="repeat_delay" value="$(arg repeat_delay)"/>
    <arg name="rpm" value="$(arg rpm)"/>


  <!-- start cloud nodelet -->
  <include file="$(find velodyne_pointcloud)/launch/cloud_nodelet.launch">
    <arg name="calibration" value="$(arg calibration)"/>
    <arg name="manager" value="$(arg manager)" />
    <arg name="max_range" value="$(arg max_range)"/>
    <arg name="min_range" value="$(arg min_range)"/>

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2017-03-17 00:41:12 -0500 asked a question turtlebot urdf.xacro file for VLP-16 3D sensor

I am trying to add new sensor Velodyne VLP16 for the turtlebot as given in .

How to generate a urdf xacro file or where to find ?

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2017-03-16 17:27:40 -0500 commented question RViz corrupted double-linked list

How did you resolve it ?Me too getting same error

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2017-03-08 15:43:17 -0500 commented question turtlebot , kobuki on ros kinetic

Are turtlebot and Kobuki supported in Kinetic ? Or Is indigo still the best version till date ? I couldn't still figure out from online. The above is the error I recevied when i tried to install chained workspaces section of turtlebot installation.

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2017-03-07 18:42:38 -0500 asked a question turtlebot , kobuki on ros kinetic

Im trying to install turtlebot on ubuntu 16.04 xenial .

I have Ros-kinectic desktop full version already installed and I tried to install additional debs for turtlebot as per the above link ----------------sudo apt-get install ros-indigo-turtlebot ros-indigo-turtlebot-apps ros-indigo-turtlebot-interactions ros-indigo-turtlebot-simulator ros-indigo-kobuki-ftdi ros-indigo-rocon-remocon ros-indigo-rocon-qt-library ros-indigo-ar-track-alvar-msgs------------changing the indigo to kinetic everywhere. I got few errors and I ran these scripts in the link . .

Then went ahead to installing the chained workspaces section, but when i tried to execute commands --------wstool init src -j5 the address from indigo to kinetic , i got the error ERROR in config:

Unable to download URL [ ]: HTTP Error 404: Not Found... Same happened for turtlebot part as well.

Do we have turtlebot and kobuki support for Kinetic ?

Did anyone implement SLAM on kobuki turtlebot using Kinetic ?

Please help. Confused if we can go ahead with Kinetic or change to indigo ?