Questions tagged [ros]

ROS (Robot Operating System) is a free, open-source robot software framework initially developed by Willow Garage. And now under the maintenance of Open Robotics.

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behaviortree-cpp not installing using apt

I tried to install behaviortree using sudo apt install ros-noetic-behaviortree-cpp* and got the following error while the system installing it: ...
Mubashir's user avatar
1 vote
1 answer
91 views

Customize SLERP used in MoveIt motion planning

I am currently working on a project utilizing ROS Noetic and MoveIt for robotic arm path planning. I have a robot arm that has to pick up items from between shelves on its left and right side. However,...
Steven Oh's user avatar
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How to pass ros-args in rclnodejs

I am trying to encrypt my topic using certificates. I have created certificates and am passing it as args to my launch file. If i subscribe it using another launch file and same ros-args am getting ...
Adharsh CS's user avatar
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ROS Odometry in Brushless motors without encoders

I have some experience building robots on ROS using brushed motors with encoders for a closed loop control. However after coming across brush less motors, they seem to have more torque to weight ratio ...
Praveen's user avatar
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Error with launching script in MATLAB for ROS

I keep getting this error everytime that the last line does not execute and takes me to the file function generateAndTransferLaunchScriptGettingStarted which points ...
Devesh Vaish's user avatar
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1 answer
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Problem in reading an incremental encoder simulink

I'm trying to read an encoder to receive a velocity value. The robot is a differential drive robot based on ROS, to which I can send commands to the right and left wheels ranging from 0 to 1. Where 0 ...
Marià's user avatar
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Negative baseline in RTABMAP with OAK camera

I have an OAK-D Pro W PoE camera and I am trying to follow this tutorial to perform SLAM with RTABMAP in ROS noetic. I follow all steps but I receive the following error message when I launch rtabmap....
Alessio Aristodemo's user avatar
1 vote
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Costmap configuration (costmap common_params.yaml)

I have a robot equipped with IR sensors, I don't have lidar. I don't understand how can I set my parameters in this file (costmap common_params.yaml) , what should I put instead of LesarScan (Note I ...
Ibrahim Sheikh's user avatar
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move_base state for FlexBE

I'm trying to build robot high-level control using FlexBE behavior engine The task is to make robot to move through the list of waypoints. The project is on ROS 1, I'm using move_base package for ...
marrgrate's user avatar
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Gazebo Garden: How to publish the transform of elements in a simulation

I need the depth ground truth of a camera view in gazebo and decided to go with an rgbd camera which produces a pointcloud. In order to visualize this I need to somehow publish the transform of the ...
kilianf's user avatar
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Slam Toolbox Map saving automation

fisrt of all I need the info that is about the overwriting or re-saving the map with serialize or deserialize process while using lifelong mapping mode in slamoolbox with melodic version. I have ...
Tuğba Kara's user avatar
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How to visualize computed path in planner_server in Nav2 with only map_server in nav2?

my goal is to only visualize the computed path in nav2 given a pre-loaded map. How to do this without launching other uncessary nodes such as the controller server since I don't have a robot to work ...
Addy Pete's user avatar
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Issue with Texture Display in Cloned Project from GitHub Repository

I cloned the project from GitHub repository (line_follower_pkg), and I'm encountering an issue with the texture on the ground not displaying correctly. Despite following the right steps, the texture ...
Kisegi's user avatar
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Trying to connect my raspberry pi ROS with my laptop outside my local network

I am trying to connect my pi's ROS with my laptop(master) and both of them are on different wifi connections After configuring my environment variables I can see the topics but i cannot echo anything ...
Hassan Tamer's user avatar
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Where can I find old copies of the official ROS 2 Ubuntu packages?

I need a stable link to a ROS 2 .deb package. Ubuntu packages can be found in the official repository, but only the latest versions are included. Build history is kept on the Jenkins instance, but no ...
hacker1024's user avatar
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No Fixed Frames in RVIZ2 are shown

I tried to show the URDF of a complex robotic arm in rviz2, but nothing shows in the fixed frames in rviz2, the dropdown menu of fixed frames is empty. I am using ROS2 Humble, with rviz2 (11.2.9). The ...
Hasan Shadi's user avatar
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Open Source GUI in ROS for AMRs

are there any available web based GUI/HMI for operating AMRs with ROS. Im looking for any packages that have basic functionalitie for AMRs. Thanks in advance :)
san's user avatar
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Orientation control problem in 6 DOF robot

I am moving the robot with real-time inputs from the joystick.I use the end-effector values X,Y,Z,rx,ry,rz.(i.e., the motion is in linear motion).So, now I want to check all the joints values in real ...
bala's user avatar
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2 answers
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installing ROS2 on a system which already has ROS1?

I have ROS1 kinetic runing on Ubuntu 16.04. Now I want to install ROS2 Humble. May I also install ROs2 on the same system? if yes, how? thanks
Masome Rahimi's user avatar
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ros node to convert 16-bit color images to 8-bit?

Is there a ros node to convert 16-bit color depth images to 8-bit? image_proc outputs both color and mono retain the 16-bit color. image_transport republish raw to compressed produces a format ...
Lucas Walter's user avatar
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ROS Docker container on Windows experiencing significant delay in response

I'm tryied to set up a ROS environment on Windows by creating a Docker container with Ubuntu 18.04 and ROS Melodic. I've utilized Docker Desktop with network=host ...
Riley C's user avatar
1 vote
1 answer
141 views

Issues with Sending ROS2 Action from roslib.js to rosbridge_suite: Unable to Import Message Classes

I'm encountering difficulties sending a ROS2 action from roslib.js to rosbridge_suite. The action is supposed to be handled by rosbridge_suite, but I'm encountering issues related to the import of ...
tapanij's user avatar
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Connecting simulink/matlab and Ros only work one way, but can't receive messages

I'm trying to connect a Duckiebot with ROS to MATLAB Simulink (unfortunately, I'm compelled to use them), and something strange is happening. I can ping both devices, and I can also send commands from ...
Mariano's user avatar
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Is it possible write a Nav2 task server (planner, controller, etc) in another programming language?

I know C++ is the de-facto language for robotics. But Rust is also a decent language choice for this domain. Is it possible write an action/task server (planner, controller, etc) in another ...
noobie's user avatar
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2 answers
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Viewing laser scan data coming from Raspberry pi using Laptop

I have a Raspberry Pi 4 running Ubuntu 22.04 with ros2 humble. My laptop is running Ubuntu 20.04 with ros1 noetic. I have connected a Slamtec RPLIDAR A3 with my Raspberry Pi and want to view its laser ...
Dinoj's user avatar
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1 answer
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rosmsg show unable to load message [std_msgs/]

I am a newbie to ROS and know absolutely nothing about it. I am following this tutorial and at 5:33 he enters the following command rosmsg show std_msgs/ and when I ...
Balen's user avatar
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Riding a robot model in Gazebo along a straight, curved path with feedback on a Raspberry running ROS

please be kind and advise how to implement the following: I have a computer with ROS and Gazebo in which I have a robot model in URDF format, I need this model to go on a straight/curved path(straight/...
Perry's user avatar
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how to export sdf file from onshape?

I had problems extracting urdf file from solidworks, because I am working on a delta robot (closed chain). So I redesigned the robot in onshape which I read that it can be extracted directly as sdf. ...
issam_ks's user avatar
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1 answer
955 views

Which ROS for Ubuntu 23.10 on RPI5

I got my hands on a RPi5, only to discover that at least Ubuntu 23.10 is required because of the new chipset. How would I go about installing a ROS version on Ubuntu 23.10. Would I have to build from ...
Can Altineller's user avatar
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3 answers
903 views

ros2 spinning problem[SOLVED]

i'm trying to transform ego-planner-swarm founded in: https://github.com/ZJU-FAST-Lab/ego-planner-swarm to ros2... the problem was in one of the subscription's callbacks there was a function in which ...
arash mokhtari sherkat's user avatar
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Why am i getting a PEAK_RETURN_CODE_NOT_FOUND Error when trying to start a camera using ROS and SSH?

I am working on a project where I want to control sensors and a camera connected to an Ubuntu 20.04 system. To avoid using the terminal on the Ubuntu system directly, I want to use buttons connected ...
Thilo Engel's user avatar
1 vote
1 answer
45 views

ROS1 Custom messages generates strange memory graph pattern when using multiple string types

In ROS1 Noetic, I have the following custom message named Test.msg: int32 did string a string b And I have another custom message TestList.mgs: Test[] testList In ...
Enikő's user avatar
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1 answer
41 views

ROS1 Noetic Custom messages - Command line publish char[]/uint8[] support

I have a custom ROS1 Test.msg message which I use in roscpp Noetic: uint8[] a uint8[] b I use uint8[] to represent strings, because I can't use simple string type ...
Enikő's user avatar
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0 answers
62 views

One of my ros node emits [Errno 111] Connection refused in docker container

I am currently developing ros packages in docker system. The environment I am using is ROS noetic, Ubuntu focal on a docker container One of my package is failing. I seems it is due to failing to get /...
Jieun Ko's user avatar
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0 answers
199 views

ModuleNotFoundError: No module named ‘pyzed’

when editing the program in the ros environment,it shows: ...
Qiang Young's user avatar
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1 answer
140 views

Node keeps crashing due to: `ValueError: generator already executing`

One ROS node I implemented keeps crashing with the error ValueError: generator already executing. I have no clue what is going on, this node doesn't have anything ...
Gustavo Rezende's user avatar
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1 answer
147 views

Unknown CMake command "add_service_files"

These are the code I include in my CMakeLists.txt add_service_files( FILES AddTwoInts.srv ) However, when I try to use ...
mendax1234's user avatar
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0 answers
43 views

Can I launch a gazebo classic project in gazebo ignition?

As the title mention, I am working on a gazebo project on gazebo classic. And I made the robot model using urdf and using roslaunch to launch the project. However one of the plugins I planned to use(...
brian2lee's user avatar
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0 answers
34 views

How to modify the abb_driver support package so that ROS can be used to control the coordinated movement of dual robotic arms

First of all, please note: The RobotWare version is 6.15, and the dual robotic arms have only one controller (with MultiMove control module), and the ROS version is noetic. My question is how to ...
Levels's user avatar
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26 views

Getting started with Swarm Robotics

I'm a robotics engineer working with industrial robot's installation and commissioning. I would like to start swarm robotics. How can I start with it and progress in it? What are the necessary ...
Gurudev G's user avatar
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1 answer
55 views

How to Integrate a Custom Global Planner with Move_base for Dynamic Path Generation?

I've developed a custom global planner for a ROS project, which dynamically generates new paths based on certain conditions. This means that the global planner continuously produces new paths during ...
就走吧's user avatar
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0 answers
75 views

Error when installing ROS Neotic on Ubuntu 20.04

When I try following the ROS wiki guide to install the ROS Noetic on my Ubuntu 20.04 (It's WSL), I met with this error about the key setting up. ...
mendax1234's user avatar
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0 answers
15 views

How do I use catkin_download_test_data() correctly to run rostests?

I have a working rostest which I was running against a bagfile of image data. Earlier I had stored it in my git package but since its a big file I am thinking of storing the bag file in cloud and ...
nebula's user avatar
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1 vote
1 answer
149 views

How do you publish on a ROS topic when the message type is not known?

I am trying to publish a ROS message in Python but I do not know the message type. I tried using AnyMsg and it did not work. If this is possible would someone be able to provide a Python code snippet?
jasonsf's user avatar
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44 views

Unknown frame map error(I know I have to be specific but I just don't know what the problem is..)

I am trying to move code (based on ros navigation) from jetson nano to jetson orin. In the jetson I have installed docker and version of ros is noetic both. the code was successful and able to ...
Jieun Ko's user avatar
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1 answer
47 views

ROS: Execute action for every waypoint along moveit path

A robot should move along waypoints and operate on a state in parallel, say print a state for every waypoint. Given: ...
Florian Schneider's user avatar
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1 answer
45 views

How to determine which direction is the forward direction of the car in ROS?

after writing the description file for the car myself. urdf.xacro, the car looks normal in both Gazebo and rviz. But when I use Teleop_ Twist_ When the keyboard controls the movement of the car, it is ...
黄振柱's user avatar
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0 answers
23 views

How to adjust the frequency of YDLiDAR X2

I am using YDLiDAR X2 within a ROS environment. According to the datasheet, the voltage must be varied to adjust the frequency of the LiDAR. However, I apply the same voltage every time, but on some ...
tatatata's user avatar
0 votes
2 answers
289 views

Colcon build error : 0 packages finished

I am using ROS2 humble on Windows 10 and it is installed successfully. Now I am going through this tutorial for creating a workspace: https://docs.ros.org/en/humble/Tutorials/Beginner-Client-Libraries/...
Mary's user avatar
  • 1
2 votes
2 answers
87 views

Is there a way to publish a ROS AnyMsg in Python?

I am trying to publish a rospy.msg.AnyMsg by doing the following: ...
jasonsf's user avatar
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