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Questions tagged [ros-foxy]

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

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nav2 fluctuating cmd_vel

I am using nav2 with a physical robot, and every once in a while it gets stuck in place where the theta velocity is fluctuating near 0: ...
amit zalman's user avatar
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Namespacing nav2 stack for multi-robot navigation

What are the current approaches to namespacing the different topics when using the ROS2 nav2 package? I am having issues understanding how to set up Nav2 for multiple robots sharing the same map. I am ...
Ara 's user avatar
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Good resources on multiple custom robot navigation with ROS 2 Foxy and Gazebo

Does anyone have any good resources/compilation of resources that could be helpful in tackling custom robot navigation with ROS 2 Foxy. A lot of the information I have found online are scattered and ...
Ara 's user avatar
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Moveit2 with Doosan-Robotics - Error using "rosdep-install" as it can't resolve rosdep keys to system dependencies

Disclaimer: Week-old beginner in working with Ubuntu and ROS. Someone asked same doubt at Doosan-Robotics' GitHub too but no response was received. Goal: Use the Moveit2 implementation for Doosan-...
Bineet Barman's user avatar
1 vote
1 answer
25 views

Invalid ELF header when launching composable node ROS2 Foxy/Humble

I followed the basic C++ publisher tutorial to create a minimal publisher. This works. I then followed the basic launch file tutorial to create a launch file for the minimal publisher. This also works....
jorb-g's user avatar
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ROS wrapper and IPCF

How do I build a ROS wrapper around inter-process communication between 2 cores so the processor receives/ transmits messages through shared memory using ROS topics?
jayashree's user avatar
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1 answer
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URDF File is not parsed, robot state publisher sees the robot description empty. RCLCPP does not exist in libexec?

After finishing the migration of a project for a simulation of a robot, my first launch file which i will provide later contains the robot state publisher, which I give the the robot description and ...
Omar El Sherbeny's user avatar
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1 answer
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Trouble with topic monitor and rqt on ros2 foxy

I hope you are all well. I began dabbling with Robotis Ros a few weeks ago and just got my hands on a 2018 model turtlebot3 burger. It has a Raspberry Pi model 3b 1gb, 16gb memory, and hfs-lds-01 ...
MrRox1337's user avatar
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Failure to Communicate Between Foxy Docker Image and Drone

I am trying to establish communication between ROS 2 nodes on different devices on a local WiFi network. The first device is a drone running an older version of Ubuntu (18.04) so it is running ROS 2 ...
User7657's user avatar
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9 views

Some links are not showing up under Gazebo's models

I have a .xacro file that is being used to create a urdf to be sent to Gazebo, which is being launched using ROS2. I am trying to update a codebase from ROS to ROS2. I don't get any errors - I have ...
Ara's user avatar
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Unable to build ROS package

I've been trying to compile this project using the steps in the documentation and ran into the following issue when running colcon build --symlink-install. Yes, I ...
Allison's user avatar
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Error when initializing tf2_ros::buffer in ROS2 Foxy

does anyone know why i cant initialize an instance of tf2_ros::buffer in ROS2 Foxy? test_file.cpp : ...
Bryan's user avatar
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/usr/bin/ld: cannot find -lpackage_name

I am new to ROS2 (Foxy) and CMake. I have a ROS2 package called senso_gui_control, that is dependent on another package in my workspace (...
shellyshampaine's user avatar
1 vote
2 answers
36 views

error building package with interfaces due to member_of_group rosidl_interface_packages location in package.xml

I've been trying to establish communication between 2 nodes and shared library .so. Encountered an error: ...
Vladimir's user avatar
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ros1_bridge build error in windows

I'm trying to build ros1_bridge package in windows 11 My step is 1.Create folder name ros1_bridge_ws/src 2.Download from https://github.com/ros2/ros1_bridge foxy ...
Dandog's user avatar
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ros1_bridge pairs all topics but no data flows in some

I am working on the ridgeback robot of clearpath. I want to use some ros2 nodes so I have make a docker container running ros1_bridge (image ros:foxy-ros1-bridge). When I use current configuration ...
smarn's user avatar
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Is there any way to edit the generating map while ros2-cartographer is running

I'm using turtlebot3 package I want to edit the generating map by using ros2 topics My question is "Can we edit the map while map is being generated, both on same time"? which way should be ...
loveson vashikaran's user avatar
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ROS2 rclpy subscription problem

I have a following problem: I am trying to subscribe two topic (image and pointcloud) and once the program detect falling edge from gpio pins it should publish the image and point cloud. However the ...
JereK's user avatar
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2 answers
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Custom Message header file does not generated during build and gives an error

EDIT: SOLUTION IS IN THE COMMENTS OF THE ANSWER I am migrating a project from ROS1 to ROS2, I haven't created the project myself. In the main package, which is named ...
Omar El Sherbeny's user avatar
1 vote
0 answers
26 views

How to lookup most recent tf2 transform regardless of age

I want a callback to respond to an update between any of the tf2 transforms between frame A and B on the /tf topic. It should use the most recent transform available between every frame. Some frames ...
Bart B's user avatar
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ROS2 command not found after Cmake upgrade - Ubuntu 20.04 focal & ros2 foxy

Before I was using ros2 foxy normally, but today I have to upgrade the cmake to a higher version, so I use sudo apt remove --purge --auto-remove cmake to remove the ...
Duy Nguyen's user avatar
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Create `/gazebo` node with namespace

I'm using ROS2 foxy, gazebo 11. I got /gazebo ros node after running gazebo_ros launch file ...
khinggan's user avatar
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1 answer
75 views

How can I determine when the robot reaches the goal in Nav2?

I’m currently implementing my global planner using ROS2 and Nav2. I’ve written a planner plugin in Nav2 following the tutorial at https://navigation.ros.org/plugin_tutorials/docs/...
sippathamm's user avatar
1 vote
1 answer
54 views

Why does my rtabmap mapper not receive data?

I am trying to run this rtabmap config on my Jetson Orin: ...
moooeeeep's user avatar
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Using Gazebo headless mode in a GPU cluster

I have a question about image rendering in headless mode in a cluste. My task is I want to train a RL agent in the cluster. I use ROS2 and gazebo simulator. Since the algorithm needs to constantly ...
malwaru's user avatar
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2 answers
95 views

Error: Loader for controller 'asc' not found

I have a ros2 project which is running in one system(with ros2 humble) perfectly but i am getting error on other system(with ros2 foxy). I need to run it on 2nd system as my first system dosen't has a ...
Pratham's user avatar
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2 answers
115 views

ROS2 Foxy | Nav2 returns "send_goal failed" error

I have been following this youtuber "Articulated Robotics" for implementing my autonomous robot. Everything has gone good so far including slam The only error is nav2 randomly works (1 out ...
Umesh's user avatar
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1 vote
3 answers
636 views

"No module named roslaunch" for ROS 2

I am getting error No module named roslaunch when executing a ROS 2 launch file. I know this question is already asked here but it dose not seems to solve my ...
Pratham's user avatar
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0 answers
27 views

issue rqt with ros2 qos custom proflie

when topic is subscribed in ros2 rqt it shows unknown when topic has default qos profile it works but when qos profile is changed it shows unknown again is there any way to set custom qos profile in ...
Ramprasad Kulkarni's user avatar
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1 answer
145 views

How to stop the robot with nav2 foxy?

I have an RC-Car that has object detection and distance estimation implemented. I want the car to stop if it detects a red light while navigating from point A to B. Once the light changes, it should ...
dmalad's user avatar
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2 answers
439 views

ros2 foxy - set / publish simulation time and enable use_sim_time

Dear Robotics Community, I have a simple problem. I working with ros2 foxy and have a simulator (not important for the question). I want to set the ros clock from my simulator-loop such that I can use ...
klanky's user avatar
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2 answers
191 views

Installing ROS2 without Internet Access

I’m looking to install ROS2 Foxy on a standalone computer. Is there a guide for offline installation on Ubuntu 20.04? Also, does anyone have any best practices/cheat sheets for developing offline?
Colton Layhue's user avatar
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1 answer
276 views

How to control a closed kinematic chain in Gazebo?

I am trying to control a closed kinematic chain in Gazebo 11 using ros2_control and gazebo_ros2_control. I know, that closed kinematic chains are not supported by URDF, therefore I've closed the loop ...
NotARobot's user avatar
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1 answer
439 views

ROS 2 humble + ROS noetic + bridge + support for custom messages

This question is relevant to the joint use of ROS 2 humble and ROS noetic, but with the explicit intent of using custom messages/services/actions for communication between them, under Ubuntu 22.04. ...
li9i's user avatar
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99 views

ros-foxy-serial no longer available?

I wrote a ros2 project a while ago to communicate with arduino using ros serial library which I think was ros-foxy-serial. It is simple rclcpp project to read data from arduino using ...
Kyuhyong You's user avatar
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0 answers
189 views

SLAM using ydlidar g4

I am using a ydlidar g4 on ros2 foxy (Ubuntu 20.04). I succeeded at getting the view of the LiDAR on rviz2 following this tutorial: https://github.com/YDLIDAR/ydlidar_ros2_driver. But I want to ...
AnaxGT's user avatar
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2 answers
210 views

Could not echo /map topic using Nav2_map_server

I am using ROS2-foxy with ubuntu 20.04 LTS and wanted to load a map using the map_server from Nav2_map server. i found this old thread from ROS answers regarding this (https://answers.ros.org/question/...
nitish's user avatar
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1 answer
186 views

using fastDDS on 2 computers with ROS Foxy and ROS Humble (Cannot receive topic on host computer)

I am trying to explore the usage of DDS in ROS2. My set up is 2 computers connected to the same network. Slave computer runs ROS2 Foxy and host Computer runs ROS2 Humble. I couldn't get them to ...
Joshua Siy's user avatar
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0 answers
20 views

Problems using foxy version of rviz,the rviz display is not satisfactory

The rviz display of ros2 is very stuck, and sometimes the path display is not continuous. I am using a laptop with NVIDIA 3060 graphics card.I'm sure my graphics card driver was installed successfully....
falong zhao's user avatar
1 vote
0 answers
71 views

teb_local_planner problems

I use ROS2 Foxy and I'd like to Colcon build but it's can't the problem make my com not responding. I try to check with this command rosdep install -i --from-path src --rosdistro foxy -y then it ...
Thanapoom Pumee's user avatar
0 votes
1 answer
335 views

What is the difference between RCL_STEADY_TIME, RCL_SYSTEM_TIME and RCL_ROS_TIME?

I wrote the following code to check the difference myself, but I could not find any considerable difference. ...
RobotBramhana's user avatar
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0 answers
100 views

ROS2 node crashes abruptly

I have a legacy code in ROS1 that has the following code ...
RobotBramhana's user avatar
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0 answers
35 views

Mapping fields of a message in ros1_bridge

I am trying to bridge ROS1 and ROS2. I have msgs pkgs in ROS1 and ROS2. All the workspaces are sourced. A message definition from my custom defined msgs package has a nested message declaration from ...
RobotBramhana's user avatar
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238 views

ROS2 Humble has a higher CPU usage than Foxy

I migrated from ROS2 Foxy to ROS2 Humble, but I found that the CPU usage has increased significantly. As shown in the figure below, the CPU usage of the ...
张金阳's user avatar
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1 answer
116 views

How to properly fuse IMU + Barometer + ToF Ranger? (Robot_Localization)

I'm having difficulties getting a good absolute Z height. This is a flying vehicle with no GPS. Currently my ToF sensor pointed down reads 18cm (which is accurate to where my FC/ToF is mounted) but my ...
gregoryw3's user avatar
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0 answers
524 views

ROS 2 Communication Issue between Windows and WSL2 Ubuntu 22.04

I am currently facing an issue with ROS 2 communication between a Windows environment running ROS 2 Foxy and a WSL2 Ubuntu 22.04 environment running ROS 2 Iron. This setup used to work seamlessly a ...
Solène Dietsch's user avatar
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0 answers
47 views

OSError with rosbridge_server on ROS2 Foxy Windows 10

I have installed ROS 2 Foxy on Windows 10 using this guide. I am attempting to connect to Foxglove Studio over rosbridge. To do this I built the rosbridge_server ...
Samahith S A's user avatar
0 votes
2 answers
147 views

Associate two executors for a single node

I am running ROS2 Humble Hawksbill, I have a requirement where in I need to associate two executors StaticSingleThreadedExecutors for a lifecycle single node. I ...
RobotBramhana's user avatar
0 votes
1 answer
214 views

How to set the optional parameter , "use_local_topics", of joint_state_broadcaster of ros2_control (foxy)

I'm using ros2 control foxy now,and I'm trying to define namespace for my robot. The problem is that joint_state_broadcaster doesn't publish the /joint_states to the local topic /ns/joint_states. ...
THA's user avatar
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124 views

Trying to use namespace in launch file for launching rviz2 but the model is not spawn

I'm trying to use namespace to spawn robot in rviz2 nodes in multiple times, however the spawned rviz2 show only TF but no 3d model of the robot. The error is here. ...
THA's user avatar
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