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How to choose drives for a 6Dof manipulator with a shperical wrist

So my question I guess is tied to design or modelling(Not too sure what topic it falls under) a manipulator according to what I read in the book "Introduction to robotics:mechanics and control&...
Njo_nds's user avatar
3 votes
1 answer
101 views

Export URDF to an 3D model

I'm trying to export an URDF to a 3D model, I can only find ways to do it the opposite way. The URDF consist out of basic geometory, any help would be expreciated.
Coen H's user avatar
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Gazebo loading texture file for custom made model

I'm using gazebo and ros for my masterthesis. Within that I want to use DOPE (deep object pose estimation). For that I've been tryin to create a gazebo model which is already trained by DOPE. This ...
Berni025's user avatar
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0 answers
58 views

Gazebo Harmonic : world SDF file uses file:/// prefix for paths instead of model://

I'm facing an issue when saving a sdf world with Gazebo Harmonic. I import a model I created into Gazebo. It's located in GZ_SIM_RESOURCE_PATH : ...
arusso's user avatar
  • 11
1 vote
0 answers
25 views

Simulating Dynamic Object/Surface Color Interaction in Gazebo

I'm currently working on a project to simulate a robot painting a car part, similar to the process in the video linked here. I can't find a way to implement the dynamic color interaction between the ...
cegut's user avatar
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1 vote
0 answers
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Why do I need to go through edit model in Gazebo in order for my model to spawn correctly?

When I initially launch my robot in Gazebo, it breaks apart and every part is moving around. As soon as I enter edit mode for my model it freezes in place, and then I can delete and launch the model ...
Haran Tzori's user avatar
0 votes
1 answer
26 views

How to include motor model in my robot simulation?

Hi, I am working on a project which needs to simulate robotic arm in gazebo. But, whatever, I understand there is no provision to include motor model in the simulation. But, motor model needs to be ...
user avatar
0 votes
2 answers
147 views

problems loading models in gazebo

I have a problem with my maze, simply when I start the world it appears empty, even though I defined the location of the models inside the .world file in my packages in Catkin's Workspace like model:/...
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0 votes
1 answer
49 views

gazebo unreasonably slow with simple world and robot (on GPU PC)

Hello goal I aim to simulate a (somewhat) complex world with a very simple robot model. problem The real time factor drops to values between 0.1 and 0.01. This makes the simulation unusable. ...
user avatar
0 votes
1 answer
3 views

How to use a trained learning model (.sav) in ROS python node?

Hello, I created a learning model (by MLP method) by using the Jupyter notebook. Now, I want to use it in a ROS python node. How I can load the trained model? In Jupyter notebook, I can use the ...
user avatar
0 votes
1 answer
9 views

Why do the wheels move away from joint when the robot falls over in gazebo?

The wheels seem to fall of the robot when it falls over in gazebo. When the model is first spawned the wheels seem to be in the correct position but when it falls over it looks like they detach. Any ...
user avatar
0 votes
1 answer
140 views

Gazebo plugin for ROS2 doesn't get loaded

Hi All, Thanks to a helpful volunteer I managed to fire up Gazebo from ROS2. However, the gazebo-plugin (on the branch gazebo-plugin) apparently does not load, although I have a set of different ...
user avatar
0 votes
1 answer
2 views

configuration for launching gazebo world and model from a package

I have a package containing worlds that have several models defined in the models directory. what configurations (e.g. in package.xml and CMakeList.txt) should I set in order to Gazebo and ROS work ...
user avatar
0 votes
1 answer
109 views

Why will my URDF model not load into Gazebo?

I have developed a simple robot model using a urdf file and several meshes and I am able to load it up in RViz without issue. However, whenever I try to load it into Gazebo it will not appear. I have ...
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0 votes
1 answer
2 views

Models for navigation

Hello, I am looking for gazebo models which I can get to create navigation. ( so have to be compatible with rviz). I know that are Turtlebot, husky, dron, Pionner Models, but I want something less ...
user avatar
0 votes
1 answer
34 views

Omnidirectional camera (fisheye/wide angle) model support

Hello, looking at the sensor_msgs/CameraInfo Message and/or at the camera_calibration_parsers it seems that ROS supports only the Pinhole model for cameras (out of the box). Is there some known way we ...
user avatar
0 votes
1 answer
14 views

Cannot insert or see models even though gazebo_model_path is set

I am having issues inserting custom models into gazebo. Here is my file structure: lawnbot_ws src lawnbot_desription models grassplane meshes model.sdf and model.config package.xml Gazebo ...
user avatar
0 votes
1 answer
4 views

The recommended way to integrate ROS and GAZEBO to build a robot model

Hello, I know that there is a plenty of treads about this subjects but none of them really answered my doubts. But first, a little contextualization. I am using ROS a while and currently I consider ...
user avatar
0 votes
1 answer
11 views

How to add a tool model onto the robot model which can be generated in the moveit

Hey guys, I have downloaded the UR10 robot description(including the urdf and other components) in the ROS without a tool on the end effector. Now i have a mechanical mechanism which has been exported ...
user avatar
0 votes
1 answer
5 views

Add your model on turtlebot gazebo

Hello, I am trying to make text recognition using an asus camera. I manage to have some results by using Tesseract and extract script and created a script combining them. Now i am trying to simulate ...
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0 votes
1 answer
14 views

Know if a model exists in my Gazebo Simulation

Hi all, I would like to know how to check if a model exists in my simulation. I wrote a C++ node who change position of a model (with set_model_state) but I would like to verify in this node if the ...
user avatar
0 votes
1 answer
7 views

Problem loading huge .OBJ in Gazebo

Hi all, I'm working on Ubuntu 14.04 with Gazebo 2.2.3 and I want to load the 3D models provided as .obj files by this dataset: http://buildingparser.stanford.edu/dataset.html I followed this tutorial: ...
user avatar
0 votes
1 answer
5 views

failed to call service spawn_urdf_model

Hi everyone I try to spawn a hector quadrotor model in c++ file as a ros node. But it always return "failed to call the service". I attached my code below: ...
user avatar
0 votes
1 answer
3 views

sw_urdf_exporter preview and sw crash

When I have finished to specify link and joint at sw_urdf_exporter plugin, while other settings are set to be automatic, I click preview. The green process in the bottom loads a while and SW crashes ...
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0 votes
1 answer
5 views

Robot with valves in Gazebo

I'm quite new to ROS and Gazebo and I would be very grateful if anyone could give me any pointers as to how to add valves to a car-like robot I have simulated in Gazebo. The idea is that given some ...
user avatar
0 votes
1 answer
19 views

robot_arm not moving in Moveit but is moving in Gazebo

HI! everyone! I have a robot model,and i want to get the joint_trajectory form moveit!,I use the Gazebo to publish the arm controller. Everything looks good,but When i set the goal and use plan and ...
user avatar
0 votes
1 answer
11 views

How to create round shape models in Stage

Hi, I'm working with robot swarm simulation in Stage and I need some round shape models as obstacles.But after searching I only find out how to make polygon models by defining each vertex. Is there ...
user avatar
0 votes
1 answer
2 views

Model can't be fixed the orientation

Hello, ROS community! I was learning the tutorial about the placing models in some orders and I wanted to implement it in my project. I took some models from 3D google repository and corrected them by ...
user avatar
0 votes
1 answer
4 views

Hide robot model in rviz

I've used moveit setup assistant to generate the config files for the Nao robot. I'm then using rviz to visualize joint trajectories. The problem is that the trajectories show up semi-transparent ...
user avatar
0 votes
1 answer
5 views

Problem with drone simulator // [cvg_sim_gazebo] is not a package or launch file name

Hi, i tried to install package tum_simulator but I found one problem. When I try to ........roslaunch cvg_sim_gazebo ardrone_testworld.launch.... the problem is .... gazebo will b started but the ...
user avatar
0 votes
1 answer
87 views

How to create custom models and include that in .world file?

I need to include a small box (static) object in a .world file that has a picture in it. (I have .launch and .world file that works fine) I am new to ros and gazebo. I am little bit confused with all ...
user avatar
0 votes
1 answer
3 views

Adding noise to P3DX model

Hi Ros users: I am trying to add gaussian noise to velocities of P3DX. The model that I am using is from this source https://github.com/RafBerkvens/ua_ros_p3dx I have modified this part of code: ...
user avatar
0 votes
1 answer
1 view

path planning with a two-wheeled robot

Hi everyone, I am currently using ROS Indigo on Ubuntu 14.04.2. ...
user avatar
0 votes
1 answer
2 views

How can I put noise to my P3DX model?

Hi Ros Users : I am trying to put noise to my P3DX model wich is https://github.com/RafBerkvens/ua_ros_p3dx Because the model behaviour is unrealistic. Does Anybody know what I must modify in the code ...
user avatar
0 votes
1 answer
2 views

Can I change the initial pose of my p3dx when I launch the .launch file?

hi ros users: How can i do that my model of p3dx appears where I want when I run gazebo? For example on x=3 y=3. is there anyway to do that? so, change the initial pose of my p3dx. My pkg of the model ...
user avatar
0 votes
2 answers
33 views

Adding a camera to a model in Gazebo? (Beginner)

Hello! I am very new to using things like Gazebo and ROS. I was wondering about how one might take a model from Gazebo (like turtlebot or quadrotor) and attach a camera to it, and see the feed? My ...
user avatar
0 votes
1 answer
7 views

URDF files can not work on rviz ( ERROR on terminal )

Hello Everyone, I am following ROS/ Tutorials and I came aorund URDF Tutorials but relevant both URDF and XACRO examples I couldnt run , I couldnt stimulate on rviz. After all Trying and all ...
user avatar
0 votes
1 answer
7 views

Problem with Gazebo model data base

I am working with Hydro version in Ubuntu 12.04 LTS. The time I am launching the Gazebo Simulator with Summit_XL with cube as an obstacle in the terminal it is showing "Unable to get model name[...
user avatar
0 votes
1 answer
8 views

Robot model in rviz is not following base link

Hi, I am using Gazebo with a simulated model with GPS, IMU and Odometry from the diff drive including the navsat and the ukf node, the estimation is not correct yet, but I wonder about something else: ...
user avatar
0 votes
2 answers
12 views

undefined reference to `urdf::Model::initFIle()'

I am attempting to compile a cpp file that will read joint limits from a urdf. The lines of code at issue are: urdf::Model robotModel; robotModel.initFile("path/to/file"); I get the ...
user avatar
0 votes
1 answer
7 views

rviz shows nothing when there is no error in the terminal

hello professors, when I successfully run the package and there is no error showing on the terminal, but the rviz shows nothing and there is no model at all...So I'm so confused about this problem and ...
user avatar
0 votes
1 answer
1 view

robot-model-visualization in ros hydro

terminal output: sudo apt-get install ros-hydro-robot-model-visualization [sudo] password for jaysin: Reading package lists... Done Building dependency tree Reading state information... Done E: Unable ...
user avatar
0 votes
1 answer
9 views

Caterpillar track odometry model

Hi guys, I am now working in a robot which has Caterpillar track instead of normal wheels and i want to make odometry with him. I was hoping that you had some sugestions about how to make a ...
user avatar
0 votes
1 answer
6 views

turnGravityOff tag doesn't work with groovy gazebo 1.5

Hey, I'm having a problem with switching off the gravity for my models. I'm using ros groovy with gazebo 1.5 (but I installed gazebo seperately because I wanted to edit the sources). When I first ...
user avatar
0 votes
1 answer
9 views

velodyne calibration

ubuntu 12.04 and ROS Fuerte Hi, The velodyne_pointcloud package runs fine and display pointcloud from velodyne 32e using the calibration file that comes with the ROS package. Questions: I was ...
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0 votes
1 answer
4 views

Error When to load NAO model

Hello Everyone!! I'm using: https://github.com/ahornung/nao_robot When tried to load it have this problem: ...
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0 votes
1 answer
2 views

Is there a free to use sdf simulation model with working gazebo plugin

Is there a free robot model (sdf) working with gazebo and ros groovy? Where can I download it? Originally posted by Seba on ROS Answers with karma: 21 on 2013-09-19 Post score: 0
user avatar
0 votes
1 answer
12 views

Gazebo: how to control robots models?

Hi. I see a bunch of robots model in Gazebo and I wonder if it is possible to control them. I read the tutorial explaining how to adapt a robot model to do that. Since there are many models in Gazebo, ...
user avatar
0 votes
2 answers
2 views

CAD model of the PR2?

Does anyone have a crude CAD model of the PR2? I'm designing a living lab and have done a few mockups in Solidworks. I would like to add the PR2 to get a feel for the size of the room. UPDATE: I ...
user avatar
0 votes
1 answer
1 view

Mesh model for PR2

Is there any way to get the mesh model for PR2? Can I find it in some packages or from other sources. Thanks~ Originally posted by Albert K on ROS Answers with karma: 301 on 2013-04-27 Post score: 0 ...
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