Questions tagged [ros2]

Use this tag for questions related to ROS (Robot Operating System) version 2.

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ROS2 demo_nodes_py listener "No executable found"?

I have tried to install ROS2 humble in conda using robostack on Linux Mint 21.3. When I do so and activate the conda environment I am able to run cpp nodes but not the python ones. I.e when I try to ...
Tariq Soliman's user avatar
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Which of the following activities would be wise about Gazebo?

Current situation : The created manipulator was displayed in Gazebo, manipulated with jsp_gui and confirmed in rviz (gazebo integration is not possible) What to do next: moveit,realize hardware ...
ertretff's user avatar
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Request for recommendations regarding Gazebo’s speed updates

While studying teleop_twist_* & diff *, I was able to confirm that it was more complicated than I thought. I thought it was simply updating the wheels, but it recorded the speed, estimated the ...
ertretff's user avatar
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30 views

How do ROS2 nodes find each other on the same computer?

I always assumed ROS2 nodes used sockets to communicate but it looks like they might also use shared memory or pipes. Regardless I'm curious how ROS2 nodes find each other? Lets suppose each node ...
FourierFlux's user avatar
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Simulate calibrated camera in gazebo garden

I have a calibrated camera, with calibration parameters specified in a yaml file. Is there a way to simulate this camera in gazebo (version = garden)?
Thanks123's user avatar
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1 answer
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Problem using rqt_image_view only image

I am a new user of ros2 humble. I used rqt_image_view sometimes with ros2 run and since one day I see only the image placeholder and the panel for the topic and else is away. I don't know how I did ...
1. Gaminglord's user avatar
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17 views

Understanding nested node behavior with subscribers

When I run action info, the action subscriber shown is a different node than the node I passed to the AclientClient constructor. Why is this? It's not what I ...
Dan Sandberg's user avatar
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15 views

Ros Bridge Publishing cmd_vel from move_base

I am working on a project which requires slam and autonomous navigation. When in Noetic I have created a map and will use move base because the lidar has plenty of drivers for ROS and not ROS2 so I’m ...
Charlie's user avatar
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I am willing to implement ros2_canopen with ros2_control

I am willing to implement ros2_canopen with ros2_control. I am new to ros2_canopen. I have four wheels robot (in simulation) and using diff_drive as ros2_control. Everthing is working fine but when I ...
whiz's user avatar
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1 answer
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how to get node graph like rqt_graph with command line?

my ros2 env does not have a display or visualization config, is there a method only by cli to get the ...
furynerd's user avatar
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turtlebot3_simulation branch new_gazebo colcon build error (gz sim Harmonic)

On a Ubuntu 22.04/x86-64 machine, following turtlebot3_simulation new_gazebo "Migrating ROS 2 packages that use Gazebo Classic", repository. After rosdep, colcon build fails: $ colcon build -...
RossBots's user avatar
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process has died [pid 16215, exit code -11, cmd gzserver

I am currently try to simulate my physical TurtleBot2 with an attached mount in my created world file using this repo but unfortunately I am running into this error ...
DJ1NN's user avatar
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Different turn rates in rviz and gazebo leading to big desync between them

I've been building a 4 wheel differential drive robot (all 4 wheels have motors) and I've noticed that when I control the robot, in Gazebo it barely turns while in RViz it turns a lot more. This ...
Lokplart's user avatar
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1 answer
20 views

Robot not loading on gazebo

My Robot is not loading on Gazebo although loading fine on rviz2. Below is my code. On gazebo, only leg_link is loading not any other links. Although on the side ...
Fc0001's user avatar
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1 answer
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Assistance downloading UR interface for Ros2 humble

Im getting an error for downloading the ur robot driver. its a line inside a c++ file causing the issue, i cant find the right command to use. Heres the error, please help! ...
Morgan Fabbricatore's user avatar
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Losing connectivity on starting nodes in ROS Humble

I am trying to communicate to a Turtlebot 4 from my laptop. I set up the Discovery server as the documentation says and usually I can drive the robot around. However, every time I start anything with ...
Sterling Mcleod's user avatar
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Is it possible to clone / install ROS2 dependencies packages as specified by rosdistro/iron/distribution.yaml?

I have built ros2 iron and gazebo fortress under debian bookworm. Now I want to try ...
Y HB sprhawk's user avatar
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1 answer
33 views

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 ...
tyraex's user avatar
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1 answer
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Esp32 stop receiving data through microros

I am facing some sort of communication issue as follows.... Problem Description: I am facing difficulties when attempting to run three ESP32 devices simultaneously, each connecting to a MicroROS agent ...
JUST CHILL's user avatar
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2 answers
25 views

Multiple isolated gazebo on same PC(ROS2)

I need to run multiple instances of gazebo on same PC (ROS version foxy) and want to interact with them individually like spawning a robot in one of them. I tried using different ROS_DOMAIN_ID in ...
nitish's user avatar
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1 answer
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rclpy set parameters in global namespace?

As far as I know, it is not possible to set parameters in the '/' namespace from a ROS 2 node, unlike ROS 1. All the parameter set from the ROS 2 node falls in the <...
aarsht7's user avatar
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My docker does not recognise existing nodes and topics

I’m using wsl to run a docker with arm64 platform in order to compile the packages that will go on a debix model A board. My problem is that sometimes I want to test the packages I have but when I ...
FinApp's user avatar
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Blocking call on MoveIts CurrentStateMonitor?

I've created my own move_group_interface due to some complications with the original and the need to expose more functionality of ...
NotARobot's user avatar
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1 answer
25 views

Robot_Localization Local/Global ekf nodes

I have a doubt regarding the use of Robot_localization. I was watching this tutorial: https://navigation.ros.org/tutorials/docs/navigation2_with_gps.html in my case I have a real robot (equipped with ...
Supermax182's user avatar
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1 answer
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Nav2 Unable to Switch BT (Galactic)

This question is asked a few times and I tried changing the yaml file but still when I load groot live monitoring, its always default bt loaded. Can you anyone suggest suggestions/corrections to try. ...
Ani's user avatar
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Problem with Nav2 and RVIZ

I'm trying to set up Nav2 (ROS2 Humble + Ubuntu 22.04.3 LTS) to work in a simulation environment. When I start the nav2 launch file, I see this on RVIZ, if from the Nav2 launch file I remove the ...
Mattia Dutto's user avatar
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1 answer
17 views

GPS timestamp vs ROS2 time

I'm using an ardusimple board, it has an ublox f9p receiver. I'm using kumar driver t get /fix topic I fuse GPS data with IMU and wheel encoders using two instance of robot_localization package and ...
Leonardo Garberoglio's user avatar
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11 views

2D Rigid Scan Matcher for Sparse Points (<=3) for Global Localization

I am working on a wheeled robot in ROS2 Humble that navigates in the XY plane. The robot currently uses wheeled odometry for position estimation, but due to its dead reckoning nature it experiences ...
Soham Patil's user avatar
1 vote
0 answers
25 views

How to change the robot_base_frame frame based on forward/reverse driving in NAV2

What is the best way to change the robot_base_frame based on the direction you are driving? For a normal car, it has symmetrical behavior when driving forward/backwards so it does not matter much. But ...
Nikolai's user avatar
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ros2 repo for rhel not available for aarch64

I am using rhel 9.3 in a virtual machine on a Mac (aarch64), following the instructions to install ROS2 it seems there is no repo available for my architecture (only x86_64). See: http://packages.ros....
facelikeapig's user avatar
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Problem in spawning URDF file export from solidworks to gazebo with ROS2

I have a problem in spawning the robot which is made with solidworks_urdf_exporter. The robot is able to view in RVIZ but gazebo was crash when i spawned it. I dont know is that the problem with the ...
Nguyễn Đức Thịnh's user avatar
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0 answers
24 views

ROS2 Humble Issues Sending and Recieving messages with Wireless Communication

I am running ROS2 Humble on multiple computers across a wireless system but have been having some issues with data rates and node visibility. I haven't had any problems when testing with an Ethernet ...
Jalen Beeman's user avatar
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25 views

robot_localization package not subscribing to the wheel encoder topics or imu topics

I am building a mobile robot and I currently have wheel encoders publishing on a /odometry topic and an imu publishing on a /imu/data topic attached are the outputs of a topic echo for both can anyone ...
Charlie's user avatar
0 votes
1 answer
51 views

Nav2 Planner/Controller params for Ackermann Vehicle

I'm trying to use nav2 with a real self-driving golf cart. The architecture of the cart is not complex: The rear wheels respond to twist.linear.x commands The steering instead with the twist.angular.z ...
Supermax182's user avatar
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0 answers
10 views

Gazebo error: Robot not moving although apply_joint_effort applied

This is my state publisher node executable ...
Fc0001's user avatar
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0 votes
2 answers
50 views

Where to find a circular robot, diameter < 45cm, load bearing >= 30Kg with ROS (1 or 2) installed?

I am looking for a robot with the following specifications: Circular, holonomic robot Diameter <= 45 cm (17.7 in) Load bearing >= 30 Kg (66 lbs) ROS enabled + camera & lidar sensor (...
Yskandar Gas's user avatar
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2 answers
49 views

base_footprint of articulated vehicle

I have a conceptual doubt. The base_footprint for a vehicle is given with respect to the base_link (projected on the 2D plane). I am unable to comprehend what happens when we have an articulated ...
ra130's user avatar
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25 views

Messed up service request in ROS2 service node with direct DDS request

I have the problem that I need to communicate with a ROS2 application via DDS from another application that is not a ROS2 application itself, but only uses DDS (Opensplice). I have managed to send DDS ...
T3 K14's user avatar
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0 votes
1 answer
12 views

Unable to use rmw_cyclonedds_cpp with ROS2 Humble under Windows

I'm using ROS2 Humble, installed from binaries. Experiencing some performance issues, I want to try different middleware implementation. So I simply do: ...
jpo38's user avatar
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7 views

Problem with locomotion of hexabot in ROS2/Gazebo, wondering what the problem might be

Hi Robotics Stack Exchange Community, I am trying to build my first ROS2/Gazebo project and I want to simulate a six-legged robot. I have been trying to troubleshoot and look through documention as to ...
Marcus Dyhr's user avatar
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0 answers
24 views

How can I shut down an included launch file?

Hello I need assistance on a specific issue, that I can't find a solution. Required Info: Operating System: Ubuntu 22.04 Installation type: binaries Version: ROS2 Humble Context: I have a launch file ...
Everdream's user avatar
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0 answers
6 views

ROS2 Intermittent node loss on networked client

Configuration: ROS2 Humble on 2 x Ubuntu 22.04 systems. 2 systems linked via WiFi. No network issues - both machines can talk to each other without issue. ROS2 Publisher IP: 192.168.10.10/16 ROS2 ...
Nitro's user avatar
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1 answer
32 views

I don't know how to get gazebo updated information

/cmd_vel Sends the speed value as a message to drff_drive. /diff_drive sends the following ...
ertretff's user avatar
0 votes
1 answer
15 views

Integrate hardware (actuator and sensors) into ROS2 framework for automated control

I am new in ROS2 and robotics development with an automotive engineer - electrical background. As I am a doing a project that requires ROS2 for integration of automated features. I want to confirm ...
Duy Nguyen's user avatar
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1 answer
53 views

Trouble Installing ROS 2 Humble on Ubuntu 20.04 with arm64/x86_64 Architecture

I've been encountering an issue while attempting to install ROS 2 Humble on my Ubuntu 20.04 system. My machine supports both arm64 and x86_64 architectures. Despite following the official installation ...
Shadow Wolf's user avatar
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0 answers
14 views

ROS DDS support for IPv6

The big question is: Does ROS2 (humble or iron mainly) support IPv6? With some really basic testing, it would seem that out of the box the answer is no. I started a publisher from the minimal examples ...
jsutcliff's user avatar
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0 answers
65 views

Cant control OpenManipulator on Turtlebot3

I'm using the OpenManipulator on the Turtlebot3 together with Ubuntu 22.04 and ROS2 Humble. When I start the bringup for the manipulator it looks like this: ...
chris98's user avatar
0 votes
1 answer
25 views

How to use wheel odometry for mapping with SLAM Toolbox

I am currently trying to do mapping with a mobile robot using SLAM Toolbox, I have the odometry setup from the wheel encoders and an IMU, however I noted the SLAM toolbox node isn't subscribed to the <...
Diego Carvajal's user avatar
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0 answers
14 views

Gazebo Ground truth pose

I'm currently running a simulation with multiple robots on gazebo fortress and I was wondering how I could have gazebo publishing the ground truth pose of each robot in a way that can be used with ...
Mechaick's user avatar
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0 answers
21 views

Iron & Windows: Error code 3221226505 when running ROS 2 node with ros2 run

I am trying implementing the tutorial of "Using quality-of-service settings for lossy networks". When I try to run the showimage node in the image_tools package using the ros2 run command: <...
Eric's user avatar
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