How to run amcl_demo.launch and other node that read RGBd camera stream...
Hi. I'm testing Turtlebot2 with Astra RGBd camera. When I try to run the launch file from [this package](https://github.com/shinselrobots/astra_body_tracker), along with amcl_demo.launch, it shows the...
View ArticleProblem with CMAKE_CXX_COMPILER
Hi guys, I have a problem with my cmake compiler. I have Ubuntu 14.04 LTS and ROS-Indigo. I had Cmake version 2.8.13 and gcc version 4.8. I wanted to update cmake and gcc compiler. Now I have cmake...
View ArticleEthercat interface to elmo motor controller
Hi all, I'd like to drive four Elmo DC Whistle motor controllers via EtherCAT in ROS. All my four slave controllers are [Gold Solo Whistle](https://www.elmomc.com/product/gold-solo-whistle/) and...
View ArticleMaking a copy of a frame from an about to be terminated node?
I'm using the roslaunch API to shut down a amcl_demo.launch, which has /map frame, and I'm transforming a frame /astra_camera_link to it. These two frames don't exist at the same time because I have...
View Articleerror unable communicate with master
Hello, I'm trying to setup a workstation to work with a Turtlebot. I've followed the tutorial here : wiki.ros.org/Robots/Turtlebot/Network%20Setup Robot IP is : 192.168.0.152 Workstation IP is...
View ArticleFormatting ROS data to .csv file
I created a Rosbag of turtlesim data and would like to export the x and y coordinates only to a .csv file. Right now, however the formatting is as such: x y x y x y using this command to export to a...
View ArticleInstall Ros Indigo without downloading it everytime via terminal
Simply said, I have to install ROS Indigo on different computers, multiple times. My plan was to install ROS on a computer, once, following this tutorial...
View ArticleIs ICP (or laser_scan_matcher) Deterministic?
I am currently using [laser_scan_matcher](http://wiki.ros.org/laser_scan_matcher) which applies [csm](https://github.com/AndreaCensi/csm) for...
View Articleunable to locate ros-indigo-turtlebot-simulator
Hello, I've purchased the ROS book [Programming Robots with ROS]( http://shop.oreilly.com/product/0636920024736.do) to help me understand how i can controll the robot i've built. I was having trouble...
View ArticleMoveit on rviz fail with a real robot
I have used rviz with MotionPlanning to move the arm of my custom robot. Now, I can't use it. I am getting [ WARN] [1552474528.701871251]: Fail: ABORTED: No motion plan found. No execution attempted....
View ArticleUTM->map transform getting from datum
My goal: Sending a series of GPS points to my robot as waypoint. my env: ubuntu 14.04 with indigo desktop-full To achieving this ,i want to using navsat_transform_node to get UTM-->MAP TF, then...
View ArticleLiDAR is not appeared in rostopic list?
Hello, I'm working on Jackal from Clearpath. The robot came with indigo and after a while, I re-imaged it. Now everything is working fine except LiDAR. When I run "rostopic list" it doesn't show...
View ArticleDynamically reconfigure the inflation radius
Hi y'all, I've been dealing with this issue for a while now and I just can't quite seem to get anywhere with it. I'd like to dynamically reconfigure the robot's inflation radius without using the...
View ArticleSICK Lidar is not working
Hello, I'm working on Jackal from Clearpath. The robot came with indigo and after a while, I re-imaged it. Now everything is working fine except LiDAR. When I run rostopic list it doesn't show...
View ArticleRobot reverses at high speed before following path given by ros nav stack
Hi, I am using ros nav stack in conjunction with google cartographer (Mapping and localization) to navigate the robot through a known map. Right now, the robot follows the path generated with...
View ArticleTo show a .urdf in gazebo gui
Hello, I am trying to build my own robot to make work in gazebo. The model is a .urdf file in which I put a few .xacro files with tag and the model works, I think, quite well. The model can be shown...
View Articlehow to make velocity of turtlebot is smoother??
I installed this library: `sudo apt install ros-indigo-yocs-velocity-smoother` and I am following here [link text](http://wiki.ros.org/yocs_velocity_smoother) , those topics that I use for velocity:...
View ArticleCommunication between docker and host
Hi Guys, This is with respect to the [q313094](https://answers.ros.org/question/313094/is-clock-being-published/?comment=313100#post-id-313100), I was able to get rid of the ```/use_sim_time is not...
View ArticleWhere does "rosmsg md5" get the md5sum from?
I am trying to get my robot to work with my pc, which have two different ROS versions (due to circumstances I am not able to upgrade the robot). Therefore in a message I use, the md5sum is different...
View ArticleUWSim /g500/pose doesn't echo anything
Hello, I want to compare my algorithm's tx ty tz qx qy qz qw to the groundtruth in UWSim. I created my robot and the environment, however, when I run $ rostopic echo /g500/pose I get absolutely...
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