Questions tagged [ros-humble]

Humble Hawksbill is a distribution of Robot Operating System (ROS). Use this tag when your question relates specifically to Humble Hawksbill. Always use this tag alongside the [ros2] tag.

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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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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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2 answers
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/tf topic is not published with specified namespace

I am working on a project involving multiple TurtleBots, using Ubuntu 22.04 and ROS2 Humble. I would like to control them individually by running a separate navigation stack (with unique namespace) ...
firthc's user avatar
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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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1 answer
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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 ...
tyraex'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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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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Using virtual link to plan with MoveIt

I want to plan paths with MoveIt using different planning groups. One of the groups is for a gripper type OnRobot RG6. In order to plan with the gripper I've created a 'virtual' link ergo a link ...
NotARobot's user avatar
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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
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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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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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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
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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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Ros2 can not import python modules located in subfolders

I am new to use ROS. I use Ros2 Humble on Ubuntu 22.04. I need to import some python codes/modules from different nested folders (or nested nested folders) to a Ros2 python node. The Ros2 node (...
Abbas's user avatar
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laser_retro not working with gpu_ray

The laser_retro in the collision section in an object inside a sim works well with the non-gpu version of the Gazebo ray plugin. However, I'm not getting the same ...
andrestoga's user avatar
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Unable to generate laser scanner points with the GPU using the ray plugin inside a VMware machine

For some reason, I'm not able to generate laser scanner points with the GPU using the ray plugin inside a VMware machine. Is there any reason why is not possible?
andrestoga's user avatar
1 vote
3 answers
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How to easily check how many laser scanner samples are being generated by the ray plugin?

Is there an easy way to check how many laser scanner samples are being generated by the ray plugin? I know I can check it in the URDF, XACRO or SDF but I want to confirm it by looking at the messages. ...
andrestoga's user avatar
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2 answers
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joint_trajectory_controller returns SUCCEED but does not move joints

I use Universal_Robots_ROS2_Driver in order to do motion planning with MoveIt in ROS Humble. I use the Pilz Industrial Motion Planner as planning pipeline, which seems to work after some addition to ...
NotARobot's user avatar
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31 views

No package metadata was found for ros2cli

I installed Ros2 Humble on Ubuntu 22.04. When I launch the command ros2 I get the following error message Traceback (most recent call last): File "/opt/ros/humble/bin/ros2", line 33, in ...
Antonio's user avatar
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2 answers
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ROS 2 Package Executable Not Found by ros2 run

Environment: Operating System: Ubuntu 22.04 ROS Version: ROS 2 Humble Hawksbill Issue: I have created a ROS 2 package named robot, and I am able to build it ...
Mateusz's user avatar
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2 answers
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downloading baxter sdk on ros humble

I need some help, currently following this tutorial (https://www.youtube.com/watch?v=J47SKs0QRyU) to download the baxter sdk, everything is fine until i reach the catkin_make part , realised ...
depressedengineer's user avatar
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1 answer
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Goal was rejected by server, Nav2 Ros2 Humble

I am trying to follow the Getting Started page on the nav2 docs but whenever I try to set a Nav2 Goal, I get this error: ...
Michael's user avatar
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1 answer
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Custom hardware interface type

I would like to write a controller that needs all joint states to update a single joint. My idea was to create a class MyStateInterface which inherits from ...
Benno's user avatar
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Trouble using libserial in Raspberry Pi 5 running ROS 2

I recently bought a Pi 5 for my project and unfortunately, discovered that ROS2 humble isn’t supported as a binary. I had a workspace to run a slam diff drive robot. I had it working fine and I just ...
CrashTestDummy's user avatar
1 vote
2 answers
29 views

Multiple discovery servers on the same network

Is there a way to enforce that clients can only send/receive messages to each other if they have the same discovery server URI? I am trying to setup a classroom environment where on a single WLAN ...
Sterling Mcleod's user avatar
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1 answer
33 views

Get robot position wrt world frame in ROS2-Gazebo Garden

I'm trying to understand how I can possibly get the global position of a model in a Gazebo simulation through ROS2. I've seen that Gazebo publishes data to the ...
slim71's user avatar
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1 answer
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Installing ROS2 Humble on Ubuntu Mantic

I got this error while trying to install ros2 humble: ...
Joachim Chisom's user avatar
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1 answer
22 views

Ros2 Controller Manager inavailable for spawner

Recently I upgraded from Foxy to Humble. When launching my application the controller_manager...
NotARobot's user avatar
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0 answers
13 views

Question about timeout_ns parameter in rclc_executor_spin_some

I have a question about the timeout_ns parameter of the rclc_executor_spin_some function. As far as I know, the timeout_ns parameter of rclc_executor_spin_some is interpreted in two ways. Can you tell ...
YouJungChoi's user avatar
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1 answer
31 views

Nav2 Collision Monitor: how to recover after stop

I use the Nav2 Collision Monitor as a kind of a (high level) security for my robot. But after a stop the only way I found out is to send velocity commands direct to the robot. So my question is there ...
MichaelT's user avatar
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How to change Turtlebot 4 behavior when buttons are pressed?

How can I modify what behavior the Turtlebot 4 exhibits when the Create buttons are pressed? I'm working through the tutorials which start with printing to console when a button is pressed. The ...
Sterling Mcleod's user avatar
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1 answer
42 views

Converting PointCloud2 to Structured NumPy array in ROS2

I am trying to convert PointCloud2 data to numpy array. I am converting it with package: sensor_msgs_py.pointcloud2 using the method: read_points I always get an error that Cloud is not a sensor_msgs....
Doki's user avatar
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1 answer
39 views

How to use MoveGroupInterface within a node?

I am a ROS beginner trying to write an interface for a robot arm in c++ that uses moveit2 for inverse kinematics. What I want to do is have a node with a MoveGroupInterface handle that I can use to ...
Preetjot Singh Dhami's user avatar
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1 answer
29 views

ROS2 Launch file is not found

I am trying to get my ROS2 project into working order. Here are the details of my setup: Building in docker based on osrf/ros:humble-desktop-full my package is laid out like this ...
KopiousKarp's user avatar
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1 answer
15 views

Performance of spatio_temporal_voxel_layer with LaserScan data

Today, I use the out of the box "nav2_costmap_2d::ObstacleLayer" plugin with a LaserScan message coming from my stereo camera (and so I convert depth image to LaserScan). Unfortunately, I'm ...
Antoine Van Malleghem's user avatar
0 votes
1 answer
15 views

Ros2_control: How to increase power in angular

My robot is on the heavy side and is driving on carpet. The Ros2_control sends out weak angular speeds and spinning power. How can I increase this? Linear velocity is fine and almost too fast! I'm ...
Russ76's user avatar
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45 views

fatal error: tf2_geometry_msgs/tf2_geometry_msgs.h: No such file or directory

Ubuntu 22.04, ROS2 Humble I have a blickfield lidar and they provide ROS2 foxy support. I have downloaded the blickfield_ros2_driver from their website and created a repository. Aim: I want to get it ...
ASH's user avatar
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0 answers
34 views

Saved map fro Slam_toolbox won't show up in RViz

I have been following this tutorial and he is able to load his saved map back into RViz with no issues but when I do the exact same thing I just get an empty map? Not really sure what I am doing wrong ...
Balen's user avatar
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0 answers
19 views

ROS2 Multiple Machines, Gateway + Hotspot + Ethernet (DOMAIN ID)

I hope someone can help me with my problem. First of all, my setup: PC: Connected to Raspberry Pi's hotspot (PC-IP: 192.168.12.19) Raspberry Pi: Creates a Hotspot (192.168.12.1) and connected to Wifi (...
alex288823's user avatar
0 votes
2 answers
55 views

How to use `ros2_control`s `joint_limits`?

I want to control a UR5 using Universal Robots Driver and MoveIt2 using Pilz Industrial Motion Planner (ROS2 Humble). If I plan a path using RViz with e.g. PTP I receive errors which disable ...
NotARobot's user avatar
0 votes
1 answer
34 views

the class gazebo_ros2_control/GazeboSystem with base class type hardware_interface::SystemInterface does not exist

I have seen two posts with talking about this issue but none of them have been answered. class gazebo_ros2_control/GazeboSystem with base class type hardware_interface::SystemInterface does not exist ...
Gideon's user avatar
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0 votes
2 answers
37 views

Why "generate_launch_description" is called two times when I start a launch file from another launch file

When I use the ros launch files I observed a phenomenon that, if I use launch file A to call launch file B, then the function of launchfile B "generate_launch_description" will be called two ...
xiao yu ge's user avatar
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laser_frame is moving

When I launch AMCL and give initial pose , the amcl launched terminal shows: Failed to transform initial pose in time (Lookup would require extrapolation into the future. Requested time 1706706126....
Vinoth's user avatar
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1 vote
1 answer
146 views

How to make 4 wheeled robot work with DiffDrive plugin and ROS2 Control?

I have a 4 wheeled robot with mecanum wheels (in real life), I have been able to simulate it and get it to work with the ROS2 DiffDrive plugin (replicating the skid steer plugin from ROS1) but now ...
Balen's user avatar
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0 votes
1 answer
95 views

Is it possible to run ROS2 Humble and Ubuntu 22.04 on a Jetson Nano Orin (other than through Docker)?

is it possible to run ubuntu 22.04 to install and run ROS2 on a Jetson Nano Orin? I have mainly seen solutions using Docker but it would be much easier for me to not have to go through docker and ...
Balen's user avatar
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0 answers
23 views

Underwater Property Simulation with ROS2 e.g Particle Plume

I want to develop and test adaptive path planning algorithms for AUVs or also USVs. So far I did this in ROS1 with the UUV Simulator and especially the uuv_plume_simulator. Now I am looking for ways ...
TVK's user avatar
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0 answers
19 views

ros2 not found after ros-humble-ros-gz install

I recently created a fresh virtual machine of Ubuntu 22.04 with UTM. I installed Ignition Fortress and ROS Humble with the following command: ...
ibkid's user avatar
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0 votes
1 answer
24 views

Preventing interference and minimizing network traffic

I have a question about Ros domains and DDS configuration. We're developing a number of identical robots. Each robot consists of a carrier frame containing multiple identical modules. The carrier ...
WouterOddBot's user avatar
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1 answer
95 views

How to get the world coordinates with position and orientation in ROS 2 Humble

I am using ROS 2 Humble. A person is supposed to take a photo of an AR marker with a camera. Inside the system, we can obtain the relative coordinates, position (x, y, z), and rotation, orientation (x,...
aotombo's user avatar

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