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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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Moveit setPoseTarget inaccurate

I'm using Moveit! with ros-noetic on Ubuntu 20.04.6 LTS, on a Franka Emika Panda 7DOF robot. When attempting to move the robot using setPoseTarget with a small distance (1 cm), and then calculating ...
a_boroka's user avatar
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Issue with message filter Subscriber in combination with LifecycleNode

I'm facing a compiler problem when trying to use message_filters::Subscribers within a LifecycleNode. Using these private class variables of my class ...
Max123's user avatar
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Visual odometry estimation using viso2_ros

I have been trying to use viso2_ros package for visual odometry with my raspicam. I followed the tutorial here but it seems that it does not work as expected. I used the following parameters in my ...
Timothy Dalton's user avatar
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How to get a robotics job as an aerospace engineering graduate? [closed]

As the title says, I am an Aerospace engineering graduate with a focus on Orbital Mechanics and Controls. (Although I won't lie, I don't know if I learned anything useful in my controls classes) I ...
Eddie's user avatar
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Navigation break through the wall

I'm using Yahboom rosmaster x3 and when I navigation my robot go break through the wall but real robot actually fine https://youtube.com/shorts/Q_RixS36mzI?si=TtUXcPVYahAJSvGe
tana's user avatar
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How to change the appearance of Rviz

I am new in Rviz. I attached a screenshot of the Rviz window here. Can anyone let me know how can I make the appearance of the turtlebot bigger than the existing appearance? Secondly, how can I ...
Encipher's user avatar
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ROS navigation map and pose

I'm trying to do navigation in ROS, but when I run navigation, the data drawn by lidar scan is not erased and remains and gets lumped together. Also, if you try to specify the initial coordinates with ...
s joon's user avatar
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How to install ROS2 on the robot (NAOiq OS)?

I came across https://docs.ros.org/en/humble/How-To-Guides/Cross-compilation.html to install ROS2 on the nao robot, but then what is the target architecture of the software, how to install ROS2 on ...
Sam's user avatar
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ROS navigation RobotModel Status:Error

0 I'm trying to do navigation in ROS, when i run navigation there are several errors like No transform from base_scan to map. Other errors are all about transform to map. when i checked the tf tree, ...
s joon's user avatar
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ROS2 multicast a topic to remote machines

I understand that the when using RTPS protocol multicast is used to discover other nodes on the network, I am wondering if it is also possible to multicast topics to a private network? In my setup I ...
Mateo Kelrajter's user avatar
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Add constraints to cubic or quintic polynomial for robot arm trajectory generation

I am planing path for a robotic arm. I am using cubic/quintic polynomials for trajectory generation. How can I add constraints to cubic or quintic polynomial such that the generated trajectory is ...
Pratham's user avatar
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Navigation no map and odom

I'm trying to do navigation in Ros, but when I run the navigation launch file with the map obtained through slam, it doesn't work properly. When I check the tf tree, the map and odom do not exist as ...
s joon's user avatar
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Robot model going to the opposite direction in RVIZ when navigating

This only sometimes and my solution for this is to restart my robot state publisher or bring_up. Sometimes it it accurate and sometimes it is not. Attached is the video for this problem. Thanks! https:...
Gamaliel Gutierrez's user avatar
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Astra_Camera: Wait for device to connected

I setup the Astra Camera using this link. It give the message after launching the command roslaunch astra_camera astra.launch. ...
Encipher's user avatar
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ROS2 Iron ARM64 packages vanished

Since a few days several ARM64 images are gone from the package index e.g. ros-iron-ros2-control. Running apt-cache search ros-iron-ros2-control on an ARM machine yields no results. Does somebody know ...
multiplex's user avatar
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rosbag tf2 transform has timestamp zero

I am writing a node that is listening to the transforms between a camera_optical_link and base_link. My plan was to analyze the recorded rosbag with this node, however upon inspection the timestamp ...
Total-Lecture-9423's user avatar
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Issue with Executing Head_link Commands on MoveIt and Anomaly in Gazebo

I am experiencing an issue with controlling the head of the R1 robot via MoveIt, and I hope someone can help me resolve it. This is for a university project. Current Situation I successfully resolved ...
Alessio Distante's user avatar
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Simulation of Ball balaner mechanism

I am trying to simulate a mechanism similar to a ball balancer similar to the image below (I got this image online) The Kinematic representation of the system would be something like: (Links 1, 2 ...
Janaardhanan A's user avatar
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error in line roslaunch mavros px4.launch fcu_url:="udp://:[email protected]:14557" Unknown substitution command [find-pkg-share mavros]

This is the error message I'm getting ...
Rohan Shenoy's user avatar
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How to get the result of a goal execution on a different machine?

I am using this tool which exposes a server to speech to text service: https://github.com/MERLIN2-ARCH/speech_to_text The command to send a goal is: ...
Sam's user avatar
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ROS on Multiple Machine for Robot Controller

The master (10.X.X.X) and slave (137.X.X.X) computer can ping each other bi-directionally, but the master computer could not 'see' the slave robot, and vice versa. I can confirm that 10.X.X.X and 137....
bot24's user avatar
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2 answers
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STL will not load in rviz (from urdf)

I try to include an stl in im urdf file, but not succeeding so far. What I've tried: roscore ...
thzu's user avatar
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turtlebot3 autorace

I have a question. I’ve worked on all the projects with reference to the robotis manual and I’m using the noetic version For intrinsic, extrinsic camera calibration rosrun rqt_reconfigure ...
2 1's user avatar
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Troubleshooting VRPN Client ROS with Motive and OptiTrack

I’m currently facing some issues while setting up the vrpn_client_ros package with Motive and OptiTrack cameras. Here’s a detailed breakdown of my setup and the issues I’m encountering: Setup Details: ...
gd1925's user avatar
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1 answer
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Conversion from RadarScan to RadarTracks message type

I just tried to implement the Autoware Radar Sensing data pipeline and noticed that Autoware requires RadarTracks as input message type. My customer only gets RadarScan messages. Is there already a ...
Sönke'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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Only One Time Mapping Issue

I need help about my slam_toolbox mapping issue. I am using ros2 humble distro and slamtec s2 lidar and for mapping slam_toolbox. When ı run my lidar and slam toolbox laser and toolbox working and ...
selamigül's user avatar
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1 answer
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get_parameter() colcon build error `no matching function for call`

I have create a ros2 node which simply declares and get parameter. I am getting the following error. ...
Pratham's user avatar
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How to debug ROS2 Publisher/Subscriber issue

I am facing the following situation: A publisher that periodically sends a message to topic, queue size is set to 1. A ...
badatmath's user avatar
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1 answer
19 views

JointTrajectory ROS1 to ROS2 Porting issue

I have a ROS1 code which I am porting to ROS2. In the ROS1 code, "trajectory_msgs::JointTrajectory" is used whose ros2 equivalent is "trajectory_msgs::msg::JointTrajectory"(refer ...
Pratham's user avatar
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RVIZ hangs on "Forcing OpenGL version 0."

I've installed ROS on my 2017 iMac Pro (Sonoma 14.5, Radeon Pro Vega 56 8 GB) using CONDA following the instructions in this video, How to install ROS on Mac. However, when I try to run RViz as an ...
Kevin Ulmer's user avatar
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2 answers
23 views

PointCloud2 Data Not Being Used as Obstacles in Obstacle Layer

I am having issues adding PointCloud data to the costmap as obstacles. The data is coming from a /marker_to_pointcloud topic that takes ...
pca1's user avatar
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Difference between ROS 2 Humble Desktop and Source on package "geographic_msgs"

I am new to ROS 2, and I am trying to install Autoware.Universe with ROS 2 Humble on ubuntu 22.04. Everything is well when I tried with ROS 2 Humble Desktop, but once I switched to ROS 2 Humble Source,...
Tom Tang's user avatar
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2 answers
40 views

Create udev rule for multiple USB ports

I use 2 USB ports on my robot for the motor driver and lidar. Ports can sometimes change when I start the robot. For example; While my lidar port was "/dev/ttyUSB1" when I first started the ...
furkan's user avatar
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1 vote
0 answers
30 views

Why is ROS1 Message Generation Slow in Python?

I hit a performance issue when trying to use a custom message type in ROS 1 Noetic in Python. My custom message was defined like this: ...
Marc Micatka's user avatar
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11 views

Requirements of TurtleBot2 (Ubuntu and ROS)

As per Installing Ubuntu 14.04 I can only use Ubuntu 14.04. Can I use any updated version of Ubuntu? As per Installing ROS, I need to use ROS Indigo. Can I use any updated version?
Encipher's user avatar
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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 ...
Jacob Blevins's user avatar
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8 views

Issue with Transparent PNG Texture in URDF Showing Black Background in RViz

I'm trying to apply a PNG texture with a transparent background to a box in my URDF file. The box should be see-through with only the texture visible. However, when I load the model in RViz, the ...
Rahul Raj's user avatar
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1 answer
51 views

I am trying to make a plugin in ROS but the same error always happear:

So I have made a ROS plugin to make a new library and I am trying to test the library's methods by executing one of them by a node in a different workspace. when I execute the node this happen: [ERROR]...
Tommaso Pignata's user avatar
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5 views

rosdep keys command do not work on docker images osrf/ros:jazzy-desktop-full

I downloaded 2 docker images osrf/ros:jazzy-desktop and osrf/ros:jazzy-desktop-full When trying to use rosdeps keys, it throws an error: For example on rviz2: ...
Purritzo's user avatar
1 vote
1 answer
38 views

Gazebo Bridge is not working correctly in Gazebo Sim

I am trying to make a 4 wheeled robot simulation in Gazebo Sim (formerly Ignition). I am using the differential drive plugin for driving the robot using teleop through /cmd_vel topic. My system ...
Nilutpol Kashyap's user avatar
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0 answers
11 views

Collision Avoidance ROS 3Laws Robotics Supervisor

Has anyone else tried a collision avoidance ROS from 3Laws Robotics? From my understanding, their software, Supervisor, can avoid collisions in 3D much better than it's counter parts that mostly do 2D ...
Madelyn's user avatar
1 vote
1 answer
27 views

What is Clamping in RRT path planing algorithm for robotic arm

I am trying to understand the working of RRT for robotic arm. What is the purpose of clamping in RRT? Here is the config file i am trying to understand. ThankYou
Pratham's user avatar
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Initialization failed: Error initializing stage: generate grasp pose: invalid pregrasp: unknown state ''

Hi I am currently working with Moveit Task Constructor package at ROS Noetic dist. I want to folow this tutorial but instead of using the panda robot, I would like to use my robot. To do that I first ...
Doğukan YILMAZ's user avatar
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publishing on set_link_state gazebo

I'm trying to publish some angular velocity to one of my drone rotor However the moment I publish, my rotor teleports to origin, and this is not only for this model, doesn't matter what model or what ...
Ayush Jha's user avatar
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9 views

How to simulate motion of leggeed robot

I am trying to simulate a legged robot but i am having issues with the motion. The robot is unable to drag the the base and the legs slip. https://youtu.be/gsimOuvqvq8
Dev Manek's user avatar
1 vote
0 answers
14 views

Changing username on ROS discourse https://discourse.ros.org/

Is it possible to update the username on https://discourse.ros.org/ Not sure if this is the right place to ask the question, but I haven't found any option on https://discourse.ros.org/ Thanks.
Yeshasvi's user avatar
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15 views

Mobile manipulator with MoveIt

I am working on a mobile-manipulator having a robotic arm and a mobile base. The mobile base is a 4 wheel holonomic drive(mecanum wheels) robot. I am trying to use MoveIt for controlling the arm and ...
Pratham's user avatar
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1 vote
0 answers
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Add constraint to maximise momentum in moveit

Is it possible to add constraint to trajectory planners in MoveIt to plan a trajectory such that it maximize momentum? For example lets say I want a robotic arm to hit an object. In this case I would ...
Pratham's user avatar
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2 answers
25 views

How do I handle map/odom transforms if I want to use robot_localization as well as slam_toolbox?

I'm trying to use slam_toolbox (2d LIDAR) in conjunction with robot_localization (IMU + Wheel Odom). So far my best idea for managing the frames is as shown in the pictures below. However, this ...
PrattPrakash's user avatar

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