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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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teleop_twist_keyboard / any teleop

More so a general question, when working with teleop_twist_keyboard node how does it interpret how I move my robot? If I was looking to design a robot similar to Boston Dynamic's Spot then there is a ...
Matthew's user avatar
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4 views

"Duration" and "BadNodeID" errors when using ros_opcua_impl_python_opcua package?

I am trying to create an OPC-UA server in ROS-noetic for my robot so a client can subscribe to its topics. When I use "roslaunch ros_opcua_impl_python_opcua rosopcua.launch" command I have ...
Samy's user avatar
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1 vote
2 answers
249 views

Gazebo robot falls over on spawn; "The published robot description file (urdf) seems not to be genuine"

In my gazebo simulation my robot fails to maintain itself. It falls over in the spawn and starts to vibrate by itself. There were multiple terminal errors. While fixing these errors, I sometimes cause ...
Doğukan YILMAZ's user avatar
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1 answer
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Reconsructing original array from MultiArrayLayout message

I'm using the MultiArrayLayout message for the 2D grid map, but i don't know how to reconstruct the 2D array, can anyone give me example for it.
Vignesh's user avatar
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Build Rviz for ROS2 foxy arm64 version fails, lots of ament_add_gmock errors

I build rviz of version 8.2.8 for ros2 arm64 versino in a docker with image ros:foxy --platform=arm64 (from https://discourse.ros.org/t/announcing-ros-foxy-docker-images-availability/14511), and after ...
Michael Wang's user avatar
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1 answer
14 views

Can't install ros-noetic-ros-navigation package

I am trying to install the package ros-noetic-ros-navigation, but when running sudo apt-get install ros-noetic-ros-navigation I ...
808kalli's user avatar
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1 answer
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ROS Installaion on Windows - Please provide credentials for: http://aka.ms/ros/public

Following the instructions to install ROS on windows from the site - https://wiki.ros.org/Installation/Windows Step 5 involves adding a new source for chocolatey - https://aka.ms/ros/public But it ...
mediums's user avatar
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1 answer
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ROS MoveIt on RPI4 running on Raspberry Pi OS(64-bit)

I'm currently working on a 6 dof robotic arm controlled by ROS from RPI4. The Raspberry Pi4 runs Raspberry Pi OS(64-bit). My question is can I make MoveIt work on my RPI4 without that gui simulation?
Ron's user avatar
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When I try to build Build a ros1/moveit1 package that was originally built with kinetic on noetic I get an eigen error; "static assertion failed"

After running catkin_make with this package i get an eigen error: ...
Alex's user avatar
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Exporting Lidar SLAM output to LAS from RViz and Aggregating Trajectories

I hope everyone is well. I ran SLAM using ROS on a PCAP from the Hesai OT128. The PCAP was converted to a bag file so that it can be inputted into the Kitware SLAM library. I was able to get a SLAM ...
Dev K's user avatar
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2 votes
0 answers
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Ros2 pub, dds sub, use zero copy

When I use cyclonedds, I send a string using the publisher_member_function of ROS2 and subscribe to rt/topic using pure dds. If SharedMemory is not enabled, I can communicate and receive string data ...
jianfeng chen's user avatar
1 vote
0 answers
14 views

move_base / teb_local_planner not subscribing to odometry/local message from robot_localization ekf_localization node

Currently building a autonomous mecanum drive robot with wheel encoders, IMU, and LiDAR (with GPS to be implemented using a global EKF later). The current configuration uses a local EKF from the ...
Jiqi's user avatar
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2 votes
1 answer
28 views

Is there a ROS 2 (Iron) exampe for docker available?

I've been using ROS 1 for my projects and am considering either moving away from ROS or to ROS 2. I am using Ubuntu 20.04 so I want to try it inside docker. I was not able to find easy examples using ...
thzu's user avatar
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1 answer
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Collision Update on a Manipulator Links

I am trying to apply a pick-and-place operation with the Fanuc 6 DOF robot. I am using Moveit2 to give motion planning commands to robot. It sometimes gets into limit error during the execution of ...
Oben Sustam's user avatar
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1 answer
22 views

i have problem to use robot_localization packages

This error appeared when I used the robot_localization package, possibly because I used the diff_tf package as the odomwheel topic. When the error above appears, my robot on rviz looks like a glitch ...
M.Syarief Rahman's user avatar
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1 answer
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Create self-contained standalone ROS1 application for Windows

I created a ROS Noetic package that grabs data from some cameras and performs pose estimation of objects in the field of view (using OpenCV). Simultaneously, IMU data is measured and fused with these ...
masteryoda436's user avatar
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How to add a topic to rosbag without changing its topic Hz using Python?

I have a rosbag with 4 topics. I want to create a new rosbag with 2 additional topics with same Hz as extisting. I tried to read all topics in a loop using python and added 2 more topics. Problem is, ...
Sai Puneeth's user avatar
1 vote
0 answers
12 views

robot_localization not applying corrective measurement (GPS)

I am a beginner building a mobile outdoor robot using robot_localization and navsat_transform_node. My current setup is to use the ZED2 odom->base_link for relative localization and a ...
beg0101's user avatar
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0 votes
1 answer
13 views

which gripper collision geometry to use in URDF

I am building a robot arm and right now I am adjusting my URDF. The gripper has a quite complex geometry. Does it make sense to use the original STL (or STEP) file (that i normally would only use for ...
choco_lion's user avatar
1 vote
1 answer
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Error while trying to run a launch file "Caught exception when trying to load file of format [yaml]: Expected only one root"

Error message: ...
TheNeanderthal's user avatar
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2 answers
39 views

I am trying to build a ROS/moveit catkin workspace and I get the error Could not find a package configuration file provided by "moveit_visual_tools"

I am Trying to build this workspace: https://github.com/jesseweisberg/moveo_ros I have all the sub folders of moveo ros in src but when I try to catkin_make it ...
Alex's user avatar
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0 answers
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Pose estimation of a cylinder on Raspberry pi [closed]

My project involves a rover with an arm using a Raspberry pi. I am using Ros humble and an Astra Pro plus depth camera. My objective is to pick up a red cylinder lying on the ground. I need to ...
SagitariusA8's user avatar
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How do I determine the order of ROS messages in Python

I am using ros-noetic. I am receiving ROS messages and putting them into a python Queue which is FIFO. I suspect but I am not sure that what is happening is the subscriber callbacks are called in a ...
jasonsf's user avatar
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1 vote
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24 views

Control axes with encoder or sensor

I want to move the axis using the encoder sensor readings, but when using the encoder my axis rotates suddenly and not gradually. i used arduino to send encoder data. i use this encoder and this ...
M.Syarief Rahman's user avatar
1 vote
0 answers
8 views

Error on include my own library in ROS service

I have coded my own library for some purposes and use it in a ROS service. After modifying the CMakeLists file I get the following error: undefined reference to `decirHola()' collect2: error: ld ...
Juan Perez's user avatar
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1 answer
17 views

Separate ros2_control hardware interfaces for the joint's state and command interfaces

I have a 5 DoF manipulator, driven by K-tech CAN motors (controlled with raw CAN frames, by one CAN bus). Each of these motors has a built-in gear, an absolute single-loop encoder and an embedded ...
stanislawix's user avatar
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0 answers
6 views

"Could not find a package configuration file provided" CMAKE error while trying to configurate custom ros package called "robotx_msgs"

I successfully cloned the repository from: https://github.com/OUXT-Polaris/robotx_packages.git When I try to configurate the cloned package via using catkin_make ...
Aytug acar's user avatar
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0 answers
15 views

Timeout Issue with ‘/cameras/list’ Service in ROS Baxter Simulation on Ubuntu 18.04 and 16.04

I am a student currently working with the Baxter robot in a ROS simulation environment. I'm encountering an issue with the robot's camera where the system reports a timeout when waiting for the ...
Yujiao Dong's user avatar
1 vote
1 answer
13 views

How do I fix the abandoned package issue after catkin build

I have been trying to build my workspace after making a new package, however when I do catkin build only 15 out of 50 packages are build, most of them are abandoned and a few fail. I think it has ...
pawan bhatla's user avatar
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0 answers
43 views

qt.qpa.xcb: could not connect to display :1

Description: I have tried to execute ros in a docker container on vscode. I have followed the tutorial at this page . I have a problem in visualizing rviz2. Environment: ROS Distro: Humble OS Version:...
Fabrizio Rosito's user avatar
1 vote
0 answers
11 views

Costmap boundaries

Is there a way I can manipulate a costmap so that the outermost cells of the inflated obstacles in the x axis are counted as the map borders. I think I can write a script that does that using Python ...
sivhaslee's user avatar
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0 answers
13 views

How to build ROS packages on Mac silicon?

I got the error trying to build the package that I created using the instruction available on http://wiki.ros.org/ROS/Tutorials/ RosWiki I am also trying to understand the folder structure and I am a ...
diysumit's user avatar
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1 answer
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does the quadruped robot suffer from Gimbal lock issue?

I am a student working on forward kinematics of a quadruped robot. I am confused whether we can use euler angle roll, pitch, yaw in ZYZ Sequence for quadruped robot or not. Does the angle vary till ...
Manu sign_in's user avatar
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0 answers
7 views

Segmentation fault ('core dumped') - Summit XL navigation

When I execute this node I receive the error mentioned in the title and I had already tried many things but anything worked, what can I do? ...
DiegoMp's user avatar
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0 answers
6 views

Issues adding two heightmaps to gazebo

I'm trying to have two different image based heightmaps within gazebo at the same time, as far as I'm aware, it's possible, but I'm starting to think it might not be. I can spawn each heightmap in a ...
Sam's user avatar
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0 answers
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Talker/Listener topic failure ros2

Running talker.py and listener.py from the demo_nodes of ros2 humble seems to be having an issue. Talker is publishing out, but the listener is not receiving. This issue seems to also impact ros2 ...
Sneaky's user avatar
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0 votes
0 answers
17 views

'[gazebo_gui-3] process has died' in the docker container

I have a bit of a weird situation. I want to run a docker container (i was provided the image and the docker run script). When I follow the instructions, everything works nicely for the initial time. ...
Guson's user avatar
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1 vote
0 answers
11 views

Manipulating the costmap to follow the path between obstacles

I am working on a project where a USV needs to follow the path between buoys. I set up the LiDAR and IMU which I will use to get localization and map data. The problem is, pathfinding algorithm will ...
sivhaslee's user avatar
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0 answers
27 views

How to include class defined in a cpp file

I defined a PoseCtrl class in pose_ctrl.cpp and pose_ctrl.h, then put them into path: package/include. Then I wrote a node in robort_position_ctrl.cpp and robort_position_ctrl.h, and include pose_ctrl....
Qichang Chen's user avatar
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0 answers
16 views

Moveit planning and collision with scene and objects

I'm new to ROS (noetic) and I'm working with a UR10 and a cell imported in stl and defined in collision in the URDF. For several days now, I've had a problem: when I move the robot in the scene, the ...
Grapilles3119's user avatar
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0 answers
9 views

Sending JSON Data between devices using Rosbridge_Websocket

PC1 (sender) has pure Ubuntu OS (22.04). PC2 (receiver) has Ubuntu 22.04 running on VM in W11. I need to send JSON (data.json) data from PC1 to PC2 using rosbridge_websocket. I connected both PCs via ...
Dillatronics's user avatar
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0 answers
19 views

Moveit 5 DOF arm inverse kinematics [closed]

I'm doing the inverse kinematics for a 5 DOF arm. Using KDL or Trac works now (I didn't get IKfast to work), but only if i first do forward kinematics to find out a reachable pose (with exactley three ...
choco_lion's user avatar
1 vote
0 answers
49 views

How to compute quaternion or Roll Pitch Yaw from a directional vector?

I am trying to get a sensor attached to the end of a robot arm to point at a specific Point of Interest. I know the XYZ position of both the POI and the target pose of the sensor, and I am able to ...
SconeIsGone's user avatar
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0 answers
13 views

Camera & IMU .bag recording

I am currently trying to work with the camera and IMU data and it needs to by synchronized However, I tried to record data using this command: ...
Wraith's user avatar
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1 vote
0 answers
14 views

cv2.stereoRectify works only when the rotation and translation are from camera 2 to camera 1

I am using the euroc-mav dataset to create a disparity map from stereo images: https://projects.asl.ethz.ch/datasets/doku.php?id=kmavvisualinertialdatasets. In this dataset the cameras are already ...
Idan Aviv's user avatar
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0 votes
0 answers
11 views

Variable Error in Gazebo

I am trying to build this repo from GitHub: gazebo_domain_randomization and I get an error: ...
Rohan's user avatar
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0 votes
1 answer
40 views

Implementing IMU on Hector SLAM

I am working on a project where I need to create a map of buoys on a surface vehicle and return to the starting position after finishing the parkour. The problem is, using Hector SLAM only, both the ...
sivhaslee's user avatar
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0 answers
8 views

Is RosJava still supported?

I see that there are no questions about rosjava since 2019. Either the code and documentation is perfect (a dream) or there is no support still available. Is there any play to support ros in java? ...
Claude's user avatar
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2 votes
0 answers
17 views

Fixing the consensus algorithm code for ROS Noetic

The Python script below is about an implementation of the consensus algorithm (rendez-vous) using static Metropolis weights for Turtlesim in ROS Noetic, run in Ubuntu 20.04 OS. The issue is that the ...
Hong Christian Lin Jiang's user avatar
0 votes
1 answer
26 views

Exclude regex in the rosbag record cmd line not working when used inside a C++ program

I am using a system() call to record a ros bag with a C++ program. The example below works well when called from C++ Example: ...
shreedhar.R shree's user avatar

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