Questions tagged [gazebo]

gazebo is a simulator makes it possible to rapidly test algorithms, design robots, perform regression testing, and train AI system using realistic scenarios.

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How to make ROS enabled Quadrotor with raspberry pi? [closed]

I am working on a project "ROS enabled Quadcopter", and am using hector_quadrotor package. But I am facing problems in Flight controller. My world and quadcopter is running in gazebo but I don't ...
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1answer
2k views

Multiple robots in ROS Gazebo SITL with separate MAVlink/MAVproxy codes

Background: This question is about simulating one ErleCopter and one ErleRover simultaneously for a non-commercial research. I would like to have the quadcopter follow a rover, which in turn is to be ...
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1answer
131 views

Suggestion for relevant non-complex simulator

I've recently started working on some localization algorithms like probabilistic road map and SLAM algorithms. What I'm looking for is a software that would help me in simulation for such algorithms. ...
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1answer
1k views

Roslaunch Gazebo Turtlebot Simulation Not Working

I have installed and am trying to run a turtlebot package using gazebo and roslaunch. Installation seems to have gone fine and I am now following the first tutorial, which just explains how to get ...
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1answer
846 views

gzclient: segmentation fault

I have archlinux indigo ros. My probelm is that when I type in terminal: $ gzclient Segmentation fault (core dumped) ... ...
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1answer
1k views

Gazebo joint->SetForce() call applies forces to the whole model. How to circumvent that?

The following code applies a force to the joint in an update method call. The problem is that the force seems to dissipate / is applied consecutively to other parts of the model, specifically the ...
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1answer
1k views

Simulating Dynamixel motors in Gazebo

I'm trying to simulate a humanoid robot using Gazebo with plugins. Since our actual model uses Dynamixel motors, I'd like to know how exactly they work to make the simulation as realistic as possible. ...
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2answers
14k views

Where does Gazebo set the GAZEBO_MODEL_PATH environment variable?

I'm starting out with Gazebo (1.5) at the moment and am following a tutorial off the internet. In order to get Gazebo to find the model, the author advocates manually exporting the ...
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1answer
375 views

Software simulation vs. real world scale model simulation [closed]

There are high quality software robotics simulators like Gazebo available today. What is the difference between a pure software simulation and a real world (say RC) scale model simulation? Is it ...
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ROS/Gazebo: URDF Error: No valid hardware interface element found in joint

I am fairly new to ROS and Gazebo. I have posted this question on the ROS/Gazebo forums, but they appear to be dead. I am using ros-kinetic and gazebo7.3 on Ubuntu 16.04. I have been following this ...
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3answers
683 views

Can we simulate a actuator with a very strong torque with a PID controller

I use gazebo to simulate a robot arm. To control its joints, I use PID controllers. As you might know, PID are sometimes pretty hard to tune and this is the case for a robotic arm. To avoid any tuning,...
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1answer
498 views

How does ODE determine contact points in Gazebo?

I was looking at the contact points for the Atlas in the DRCsim package. Each foot has 4 contact points at each vertex of the rectangle. I'd like to know how these points are determined. I've tried ...
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0answers
65 views

Topics of object perception for pr2 [closed]

I started to use ROS hydro (Robot Operating System) on ubuntu, using the simulator "Gazebo" and roscpp library, in order to program some robots. In case of pick up and place known objects by robots, ...
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0answers
159 views

Waiting for the r_gripper_sensor_controller/gripper_action action server to come up

I started to use ROS hydro (Robot Operating System) and roscpp. I tested some examples to move the gripper of pr2 in Gazebo (especially the code in : http://wiki.ros.org/pr2_gripper_sensor_action/...
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1answer
3k views

How to align solidworks global origin with assembly origin while exporting in solidworks to urdf

I have created a robot model in solidworks and exported in solidworks to urdf plug-in. When exporting the co-ordinates of the model is misaligned which is causing problem while using in ROS. As you ...
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0answers
722 views

Gazebo laser plug-in fails to publish scan results

I have added hokuyo laser plug-in to mu urdf file. I successfully launched the robot in gazebo and done required changes to visualize it in rviz. I didn't get any error but the laser scan results are ...
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1answer
1k views

Tf frame origin is offset from the actual base_link

I have built my differential drive mobile robot in solidworks and converted that to URDF file using soliworks2urdf converter. I successfully launched and robot and simulated with tele-operation node. ...
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0answers
692 views

Gazebo or SimMechanics

I'm now considering to choose Gazebo or SimMechanics for simulating my quadruped robot. I set some standards for the simulation: Support Real-time application with ROS Simulate contact impact well(...
4
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2answers
713 views

Where to make changes for simulation project Bullet/Gazebo/ROS/Orocos

I am starting to develop robotics project which involves simulation (and maybe real world programs) of soft-body dynamics (for food processing) and clothes/garment handling (for textile industry or ...
2
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1answer
2k views

Modelling Point Clouds for Collision Detection in Gazebo

I am currently applying path planning to my robotic arm (in Gazebo) and have chosen to use an RRT. In order to detect points of collision, I was thinking of getting a Point Cloud from a Kinect ...
2
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2answers
3k views

Using an RGB + Depth Camera to locate X,Y,Z coordinates of a ball

I've recently been trying to use Gazebo to do some modelling for a couple tasks. I have a robot that's effectively able to locate a ball and get x,y coordinates in terms of pixels using a simple RGB ...
4
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1answer
973 views

Is it possible to simulate vision (perception) in Gazebo (or other simulators)

Vision is important part of robotics and frequently it is unavoidable component of control loop. E.g. many clothes/garment handling algorithms rely on visual cues in deciding how to proceed. The ...
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1answer
133 views

How to test GAZEBO works properly. Save windows don't show any component

How can I test whether my gazebo installation works properly or not? I'm trying to "save myworld" and "save as" options but no window is shown.
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1answer
585 views

world files for simulating roads and tracks

Hello I wanted to simulate a busy urban road,similar to Darpa Urban Challenge for an autonomous self-driving-car. I'm in search of simulators for that. I've seen gazebo since its integration with ROS ...

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