Questions tagged [turtlebot]
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1,100
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RL exception: while launch the turtlebot on custom world
I want to launch the Turtlebot on my custom world. I followed this to launch the file. However, I received the error RLException:[turtlebot_world.launch] is neither a launch file in package [...
- 425
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Error when running TurtleBot3 simulation on ROS2 Humble
I have installed ROS 2 Humble and Gazebo on WSL2 with GWSL. Gazebo alone works could be launched and works fine. However, when I try to follow this guide to launch Turtlebor3 simulation with Gazebo, I ...
- 1
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8
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Error launching turtlebot on custom world in Gazebo
I created a world file by importing a mesh file (.stl).
I want to run the Turtlebot on my created world. I created a workspace and within the workspace I created a package. In the package I created ...
- 425
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17
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rqt error in ROS2 Tutorial
I have started working through the ROS2 Tutorials:
Using turtlesim, ros2, and rqt
When I first execute rqt I get the following error messages:
kmu69@nU-Boats:~$ rqt
QSocketNotifier: Can only be used ...
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7
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TurtleBot2 Setup become difficult
According to Hardware Setup, the TurtleBot comes with a USB A-B cable and a USB splitter-type cable. I would like to know if I can buy the USB splitter-type cable from the market if I lose it.
...
- 425
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12
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Is my ROS graph correct for my ML Turtlebot Project?
I am doing a project for a machine learning course where I perform GNC with a turtlebot3, but utilize ML algorithms instead of the classic non-ML algorithms.
The objective is to reach an orange cone ...
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26
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Turtlebot4 - Oakd Camera topics missing on workstation but seen on turtlebot4 rapsberry pi device
I am working with turtlebot4 on an object detection project. I want to access its oak-d camera on my workstation.
The issue I face is, when I do ros2 topic list on ...
- 1
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1
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26
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ROS launch not working for turtlebot
OS - Ubuntu 16.04.7 LTS
ROS version - Kinetic
Gazebo Version: 7.0.0
command working: roslaunch gazebo_ros empty_world.launch
commands not working:
...
- 425
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36
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topic [/talker] does not appear to be published yet
I try to run the following code on ROS Kinetic
...
- 425
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74
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spawn turtle at specific location in turtlesim
I am trying to spawn turtle bot at specific location using launch file. I am able to spawn robot successfully at default location using:
...
- 63
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30
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Simulating Navigation Behaviors for a Quadruped Robot Using a Simpler Robot Model (TurtleBot) in Gazebo and RViz
I am working on a project in ros2 humble involving a real-life quadruped robot (wavego with lidar), and I am exploring the feasibility of initially simulating navigation behaviors using a simpler ...
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1
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163
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Multi-robots control in ROS2 Humble
I am trying to spawn two robots with the goal of controlling them independently. I have made changes to the empty world launch file in turtlebot3_gazebo package to try and spawn two robots, for now I ...
- 3
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16
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Seeking Advice on Quantitative Evaluation Metrics for 3D Environment Generation?
I am currently engaged in a research project in the field of robotics, focusing on the development and evaluation of photorealistic 3D virtual environments for robot manipulation and navigation. Our ...
- 1
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17
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What Quantitative Evaluation Methods Should Be Used for Robotics Simulation Research by ros2?
I am part of a research team working on robotics, and we're currently exploring the creation and evaluation of photorealistic 3D virtual environments for robot manipulation and navigation tasks. Our ...
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50
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When launching world and robot models, initial attempts succeed, but subsequent launches fail
The first one or two launches of this launch file work without issues, but subsequent launches fail. I am generating two robots in a world, specifically a ridgeback and a turtlebot3 waffle. I suspect (...
- 3
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83
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Using Publishers and Subscribers in Python for ROS with TurtleBot
I've been exploring ROS with Python and TurtleBot recently, and I'm currently working on a project that involves utilizing both publishers and subscribers within the same Python file. I've managed to ...
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6
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Teleopt a Turtlebot 3 and controling arduino compatible LED-Matrix at the same time
for a Uni Project I'm currently using a turtlebot 3 and through ROS noetic controlling its speed and angle via a Phyton controller. I want to control as well an Arduino compatible LED Matrix that I ...
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180
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How to check if the specified NAV2 behavior tree is running correctly?
I am following the navigation2_dynamic_point_following tutorial on ROS 2 Humble. I have executed successfully all the part, but I can not understand if the follow_point bt is running...
To launch the ...
- 11
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73
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multi-turtlebot4 causes the simulation to crash in gazebo ignition
I am trying to simulate multiple turtlebot4 on Gazebo Fortress using ROS2 humble on my Ubuntu 22.04 but when I tried to run these commands, each in alone terminal:
...
- 113
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66
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[ERROR]: Visual: [/turtlebot4_1/standard_dock] already exists
I am using ROS2 humble on Ubuntu 22.04 with ignition gazebo and I am trying to insert 2 turtlebot4 to my simulation. When I add only 1, it works, but when I add 2, I get many errors saying:
...
- 113
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136
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can't spawn 2 turtlebot4 in Gazebo ignition
I am using ros2 humble with gazebo fortress on my Ubuntu 22.04, I am trying to spawn 2 turtlebot4 in my own world, I managed to spawn 1 turtlebot4 in my world but when I try to spawn a second one, I ...
- 113
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95
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How to List Parameters for teleop_twist_keyboard Node in ROS 2?
I'm currently working with the teleop_twist_keyboard node in ROS 2 and am looking to fine-tune its performance for a project. Specifically, I need to list and the ...
- 510
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337
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turtlebot4 simulation stuck at Requesting list of world names
I am trying to run turtlebot4 on ROS2 humble with an ignition gazebo installed on my Ubuntu 22.04 machine.
when I run the command
...
- 113
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249
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robot_state_publisher service not available, but listed in service list
I'm trying to update a ROS2 package working on Foxy with Turtlebot3 to Humble with Turtlebot4. So I'm sure my code is working there.
While starting a gazebo simulation with a script (that works on ...
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1
answer
115
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Gazebo-Turtlebot turning by itself, cmd_vel topic is zero
I am using Noetic.I am simulating a multirobot navigation system with 4 turtlebots, I am using the navigation stack and Rviz. The problems begin when the goals of robots are reached. Sometimes one or ...
- 21
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180
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Problem of connection of turtlebot4 Lite to the Wifi network
I have acquired a new turtlebot4 Lite. I set up the network by entering the wifi name and passwd using ssh to enter the robot. I changed it from access point mode to client. After that I can't use ssh ...
- 11
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114
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Robot Model Drifing in Gazebo
I am trying to simulate a robot in gazebo, however when I monitored closely I saw that the robot is very slowly drifting. Then I tried it with already available different robot like turtelbot , ...
- 133
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93
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Running Kobuki on the Ignition Gazebo Garden and ROS 2 Humble
I am new to Gazebo. I could not find anything that can run Kobuki using the Ignition Gazebo, even though some can run Kobuki using the Gazebo. For example, we are trying to reproduce this site with ...
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4k
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Caught exception in launch (see debug for traceback): Unable to parse the value of parameter robot_description as yaml
Hello,
I am currently trying to run my TurtleBot2 on ROS2 Humble (using Ubuntu 22.04), but have troubles to import my modified URDF files. The bringup launch file worked for the preset URDF files but ...
Djinn
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3
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268
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Running humble on Turtlebot3
Hi, I recently got a turtlebot3 burger and I only see instructions for installing foxy on it. I saw that the turtlebot3 GitHub page has humble support. Can I flash a regular Ubuntu 22 on the tb3 RPi ...
MrOCW
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1
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3
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Why is my marker getting displayed at location 2 but not location 1?
I am trying to create a home service robot using a turtlebot. In it the robot should start at origin at travel to point 1 where a marker has been displayed, stay there for 5 seconds and the marker ...
gentle_yeti
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1
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167
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Optitrack Motion Capture system and robot localization in Nav2 stack
Hello,
I'm looking for some tutorials, documentation, code/configuration snippets,
example projects and other sources with information on how I can incorporate
an external Motion Capture System (...
- 1,573
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21
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Turtlebot2 Rviz 2d_pose_estimation and 2d_nav_goal don't work
I am using a remote computer to control my real turtlebot2.
When I roslaunch turtlebot_rviz_launchers view_navigation.launch and I drag the ...
distro
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1
answer
110
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Hokuyo UST-10LX connected via Ethernet and urg_node
Hello,
TL;DR
When I don't use urg_node with Hokuyo UST-10LX, I can see ROS2 topics from the robot on the other PC, after using ...
- 1,573
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34
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Power supply/charger for Kobuki base
I have a Kobuki base (Turtlebot 2) but my charger broke.
I am looking to replace the charger but I am unsure about the type of barrel connector used to connect to the Kobuki. I was only able to find ...
- 3
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39
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RTABMAP problems with Turtlebot2
Does RTABMAP require a kinect camera? My turtlebot2 has different model of camera. I installed the ROS kinetic version of rtabmap-ros. I am trying to follow the ...
distro
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1
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14
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Need Info on simulated turtlebot2(melodic and/or kinetic)
I am looking for where to get a simulated turtlebot2. I recall finding a github link but I cant remember. If anyone uses simulated turtlebot2s please tell me how you got it or if you can make a github ...
distro
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2
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15
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Navigation: Robot cannnot reach goal
Hello everyone,
I'm using navigation stack on a turtlebot-based robot. When launching move_base.launch, I can send 2d nav goal in Rviz and robot cannot find its way to the goal, it just makes small ...
alejandrolri
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1
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27
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Rtabmap Object Obstacle Problem
Hi, I want to setup my turtlebot for Full autonomous Navigation with rtabmap.
The first problem I encounter is that 3D irregular shape objects, such as chairs. In this case, if I use scan topic the ...
jacklu333333
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1
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207
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Set the initialpose (ROS2)
Hello I am still relatively new to ROS2 and am currently working on getting my digital Turtlebot3 to drive around in a Gazebo environment. I'm using ROS2 foxy on Ubuntu 20.04 and for navigation I use ...
RamiAW
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1
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34
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Turned IMU sensor in robot
I mounted an IMU Sensor not in the default direction but 90 degrees turned.
Does this has an effect on my navigation/ localization/ odometry or can the sensor turn things right due to gravity or ...
lslabon
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108
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Unable to install ROS TurtleBOT - Unable to locate package
My OS :
Distributor ID: Ubuntu
Description: Ubuntu 20.04.1 LTS
Release: 20.04
Codename: focal
My ROS
/rosdistro: noetic
/rosversion: 1.15.8
When I try to intall ...
Paul Pavish
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99
views
Unable to locate package ros-noetic-turtlebot3
Hello!
I am trying to install the turtlebot3 binaries under ROS Noetic via
sudo apt-get install ros-noetic-turtlebot3.
However, I get the error:
...
toebgen
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1
answer
14
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How to save wavepoints?
I am new to the ROS.Please help me out with the trouble.
I am doing obstacle avoidance robot which self navigates and moves around the Room to given goals.
I have used to wave points to give ...
sree
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1
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30
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Rotate turtlebot 10 degrees about its axis
Hi all. How are you? How can I turn turtlebot2 10 degrees about its axis and then pause.
Note: The robot will not move, it will just rotate 10 degrees once every say 20 seconds.
I tried setting the ...
lxg
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1
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4
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I am getting while launching my turtlebot pn RVIZ
I am using turtlebot for my obstacle avoid robot using ultrasonic sensors.I am using 8 ultrasonic sensors.I dont know where the error is but ths it is successfully seen in gazebo but while I am ...
sree
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1
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5
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Duration calculation and control in ROS - furthermore why does this script keep running even after pressing Ctrl-C?
Hi everyone, I have written some code to make the turtlebot turn around. The code is working. What I want to know is how fast the turtlebot is running and how I can control it. Forexample, how can I ...
lxg
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1
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34
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how to create yellow line path for turtlebot linefollower using gazebo?
I am totally new to ROS and Gazebo. Please help me with it. I want to create a turtlebot line follower using ROS , Gazebo, rviz, cv_bridge.
I am following the tutorial given in
(http://edu.gaitech.hk/...
sree
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2
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5
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the terminal response global 'name ' is not defined
the terminal response global 'name ' is not defined
...
bebeto
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2
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48
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How can I make the turtlebot3 walk forward through messages?
I appologize in advance for this simple question.
I would like to move the turtlebot3 ahead as described in the Programming Robots with Ros book. (The book teaches ROS programming under ros-indigo, ...
fabian