Questions tagged [joint-state-publisher]

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Unable to locate package ros-humble-joint-state-publisher-gui [closed]

I am using humble distro. when i trying to get the humble joint state publisher package by using the command "sudo apt-get install ros-humble-joint-state-publisher-gui", but getting error ...
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rviz - how to pub /tf topic msg ( from /dynamic_joint_states)

I solved it. Just my mistake about urdf.xacro Thankyou I'm currently experiencing an issue where I'm not getting any output in /tf. I learned from a previous ...
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How do you embed a joint_state_publisher_gui window into rviz

Right now I have a lot of joint_state_publisher_gui windows and I want to have them integrated into a custom panel in RViz2. I know RViz is really customizable but I was wondering if there is an easy ...
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How do you send positions in joint_states topic if there's already default positions being published?

By default joint_state_publisher publishes a message with all joints and default positions to the joint_states topic. What is ...
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Run joint_state_publisher_gui with specific joint values

is there any possibility to launch the joint_state_publisher_gui with specific joint values? For example, I want to set the joint value of joint1 to a specific ...
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Installing Joint State publisher, its GUI and URDF tutorial

I have been learning how to use ROS2 from the webpage's tutorials. I am currently using Windows 10 and Iron Irwini. I have been able to go through quite a number of them and I just got to the URDF ...
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Why does rqt_plot plot the velocity obtained from /join_states at negative time values?

I am trying to get a transient process of changing the speed of the wheel to which I am giving a command signal using rqt_plot, but for some reason the time takes negative values along the abscissa ...
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How to model underactuated joint to extract the angle for controll?

Assume if I have a pendulum on a robot cart or a trailer on a robot. These are system which passivly follow the robot. If you want to control them how do you access the angle? I have investigated this ...
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Invalid frame ID even if the TF tree is produced correctly

I am having a hard time understanding the production of the TF tree. I have a robot which is visualized correctly both on Rviz and Gazebo. The transmissions and gazebo plugins work fine such that I ...
TheClem's user avatar
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Moveit! for combining multiple robots

Hello I am trying to combine two robots using Moveit for combined motion planning. However, I am facing some issues. They could be very minor since I am new to this but would appreciate the help. ...
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How to use the position value published by joint state publisher in another node?

Hi all, I am using a gazebo plugin found at /opt/ros/foxy/share/gazebo_plugins/worlds/gazebo_ros_joint_state_publisher. By echo the topic which is /demo/join_states_demo, I can see the position value ...
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robot_state_publisher and joint_state_publisher in launch file

Hi everyone, I personally got stuck when setting up my robot. I followed the tutorial and by the end it seems to work. Now I want to launch only the EKF from robot_localization package (which works) ...
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URDF and RVIZ2: cylinder not showing

Hi, I am working through the urdf_tutorials and I found that rviz doesn't show the cylinder model correctly, it only shows the circle on the floor and isn't 'extruded'. The box and sphere work fine ...
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100 views

[ROS2] tf2 "authority undetectable" / "no authority available"

I'm playing around with tf2 in ROS2 Foxy using a Gazebo simulated robot, and get warning messages regarding the tf2 "authority". For instance, running ...
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Syncing Move Group joint states with robot in simulation

Hi, I have been trying to use a physics engine to do experiments instead of my real robot. As I was connecting MoveIt with the physics engine, one problem that I encountered was that move group is not ...
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joint_state_publisher window is not shown

Hi there, this is my launch file ...
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Transform from ____ to ____ was unavailable for the time requested. Using latest instead

When I run robot_localization in simulation I get the following warning every 2 seconds ...
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universal robot publishes joint_states in wrong order

Hi I am simulating a UR3e with universal_robot in gazebo. I changed in the file universal_robot/ur_gazebo/arm_controller_ur3.yaml the arm_controller to effort_controllers/JointTrajectoryController ...
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Publish and subscribe Using Joint_state_publisher for real robot

hello guys, I'd like to ask you some question about using joint_state_publisher for real robot. I'm using arm robot and I want to control it using joint_state_publisher. but I have a question : how ...
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300 views

How to solve 'No tf data. Actual error: Frame [base_link] does not exist'?

I use ROS2 Dashing on ubuntu 18.04 64bits. I run: ...
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1 answer
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no timestamps when publishing for fixed joints robot_state_publisher

Hi guys, I have the following problem: I wrote a launch file which launches my differential drive robot with 2 lidar sensors in gazebo and rviz. The odometry for my robot comes from the differential ...
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joint state publisher dies, cannot attach wheels with continuous joint

Hi, I am currently trying to create a simple differential drive robot model with 2 wheels and 2 caster wheels, but I cannot attach the wheels to the chassis with continuous/revolute joints and I do ...
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153 views

Joint State Publisher produces empty messages

Hello, This questions can be split into two: The first one. I am currently using in my URDF in Gazebo a ROS_control controller to control the platform wheels (velocity and position interface) and I am ...
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1 answer
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Usage of joint_state_publisher

Hi everyone, I am working with a new UR10e robot and a 2F-140 Robotiq Gripper. And the new models of UR robot comes with a set of script functions to control the gripper. The thing is that working ...
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2 answers
66 views

robot_state_publisher has died, joint_state_publisher has died

Hello, I am currently learning urdf and am trying to make a two wheeled robot. I created a base link (chassis) and am trying to visualize it in rviz. To run the urdf file, i have also created a launch ...
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Failed to initialize joint_names. Aborting

Hello, i am using the staubli industrial robot driver. In the past it was working perfectly fine but this morning I got the following error message, when I tried launching the driver: ...
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50 views

unknown_publisher: Ignoring transform for child_frame_id "link1"

Hello. Currently I want to simulate random robot, which not provide ROS related files at all, to ROS environment. Most of manufacturer provide 3D cad file(.step). And I do some search to make urdf ...
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1 answer
30 views

joint_state_publisher doesn't fully update source_list with use_gui=true

I want to implement my own IK algorithm, so I add a source into the source_list parameter of joint_state_publisher node in the following test.launch file, in my hexapod package: ...
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1 answer
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What is the difference between joint_state_publisher and joint_state_controller?

So the question is in the title. It looks like both of them do the same thing, don't they? Is there any reason to prefer one over another? Thanks! Originally posted by Long Smith on ROS Answers with ...
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1 answer
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Question about joinstate publisher and navigation?

hi , i have a real robot and i'm trying to work with the navigation stack , i don't have an urdf model and i'm wondering if the navigation and the localization depend on it ? , and i want to know if i ...
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1 answer
36 views

joint_state_publisher not showing joint sliders for URDF

Hi there. I'm working on a project to simulate a robot arm. I have a URDF file that I'm able to open and view in RVIZ using the following .launch file. Note: the URDF was created by the Solidworks to ...
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1 answer
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Accessing previous estimated joint states of a robot

Hi, I am new to ROS and I am trying to implement a Kalman filter for estimating the joints velocity and acceleration of a robotic manipulator. The angular position of each joint is published to the ...
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1 answer
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Controll of urdf on gazebo with ros topics

I've managed to create an urdf file and can simulate it in gazebo. It consists of a 3 finger gripper so the joints are all revolute. Now I want to be able to rotate them on gazebo or rviz, this is, ...
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1 answer
4 views

How performe rosrun on joint_state_publisher

I have a launch file that launches a URDF based model on gazebo which has flexible joints (not fixed) and launches the robot_state_publisher node. Well, I would like to control this joints through the ...
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1 answer
26 views

joint state publisher and robot state publisher

What is the difference between joint_state_publisher and robot_state_publisher? I understand that I get robot state publisher ...
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1 answer
5 views

How to move mobile robot in rviz

Hello, I am sorry for being naive. I have GPS sensor information from a moving car. I have URDF model of a robot with four wheels. All joints are fixed (wheel to base_link). I want to move the robot ...
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1 answer
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Ros Jade Osx - compiler error robot_state_publisher

Hi @all i would like to install ros jade on osx. i know that is in experimental state but there's no other way. in package robot_state_publisher an error is generated. ...
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1 answer
3 views

Minimum time between publishing a joint state and tf listener update

Hi, I have 8 laser range finders propped up on a rotating vertical rod connected to a motor. The laser range finders is fixed to the sides of the rod at some 'xyz rpy' pose. I get the current angular ...
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1 answer
8 views

[kinetic] joint_state_publisher doesn't run

Hi, I have a problem while lunching joint_state_publisher with any urdf file in ROS Kinetic and ubuntu 16.04 it crashes due to a missing library, I made sure that the library exists and is included in ...
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1 answer
17 views

URDF and joint_state_publisher

Hi, I'm trying to create a new robot model that implements a LIDAR and a camera, all of that using rtabmap_ros. In order to do that, I created the following basic URDF: ...
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1 answer
6 views

Recursive mimic joint?

It seems that the joint_state_publisher is not able to mimic another mimic joint. ...
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1 answer
9 views

how to publish real robot-arm joint_states by ROS

Hello, I have a real six-dof robot arm and it's urdf model, the urdf model can display well in rviz. Now I want to publish robot's joint_states so the rviz can show out the real robot pose. But I find ...
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1 answer
29 views

How to visualize a real robot in Rviz

How do you run Rviz so that it shows the joint positions of a real robot in real-time? I've written a URDF file descibing a simple 2-wheeled cylindrical robot with a pan/tilt head, and I can visualize ...
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1 answer
3 views

Fixed joints for publishing transform frames using URDF

I have developed an URDF file and i am using the URDF file to publish the robot transforms. I have made all the joints fixed in the urdf. Is that fine if i have fixed joints in URDF to publish ...
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1 answer
3 views

Can't use slidebar of joint_state_publisher window in Rviz

I've created a xacro file for my robot arm and successfully visualized it in Rviz with the display.launch launchfile from the urdf_tutorials package. However, i can't slide left or right with the ...
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1 answer
2 views

ImportError: No module named QtCore

I have my robot model as a URDF file and when I launch it in a launch file to display it in Rviz, I get the following error : ...
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1 answer
13 views

joint_state_publisher gui unresponsive

I have this problem when I'm trying to move the sliders it is near impossible to move them anywhere, the gif below probably doesn't display so here's the imgur link to an example of a non responsive ...
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1 answer
4 views

How to setup tf for real robot?

I have done a complete navigation stack simulation with my robot model using URDF and gazebo, where i have added tf & jointstate plugin in urdf file. Now I have assembled my robot with the ...
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1 answer
38 views

/joint_states topic and publish rate

I want to read the joint states of a robot from the /joint_states topic, preferably at 1kHz. The problem is that when I increase the publishing rate X of the joint ...
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1 answer
4 views

Error while running joint_state_publisher

Hi, I have been trying to bring up the joint state publisher through the launch file using the below command: ...
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