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Clear difference between /reset_world and /reset_simulation

What is the clear difference between /reset_simulation and /reset_world. I initially was using /reset_simulation to reset the state of my environment periodically (in the context of RL). This worked ...
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0 votes
1 answer
114 views

Apply a body wrench in a local frame in a link

Hi everybody, I am trying to apply a body wrench to a simple gazebo model written in SDF. I am running Ubuntu 14.4, with Gazebo 6 and ROS indigo. I am applying this wrench by calling the rosservice /...
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0 votes
2 answers
13 views

Synchronous communication with gazebo

Hi, I am trying to implement a robot controller using ros + gazebo - So, what I want it to tell gazebo a particular command and then gazebo should return the state after 1 second. And after that it ...
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0 votes
1 answer
25 views

apply joint effort service call doesn't do much in gazebo

Hi, I have a ros node that connects to my gazebo model. It makes a service call to rotate the joints (wheels). If I perform the ros service call from the cmd line I am able to see the wheels move. ...
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0 votes
3 answers
54 views

ROS-Gazebo Failed to load joint_state_controller

Hello guys, I'am following this tutorial about ROS Integration on Gazebo 1.9 (http://gazebosim.org/wiki/Tutorials/1.9/ROS_Control_with_Gazebo). My issue is: As example I consider RRBot, when I type ...
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0 votes
1 answer
6 views

urdf_spawner -J option not working as intended

Hi all, I want to set the initial joint positions of a robot in gazebo simulator starting with paused physics. I used the following in the launch file. ...
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0 votes
1 answer
12 views

rosservice call Gazebo get_link_properties fails "... responded with an error: " or crashes gzserver

Ubuntu 12.04 Fuerte Hi I'm having problems using: rosservice call gazebo/get_joint_properties ... rosservice call gazebo/get_link_properties ... Firstly I am ...
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0 votes
2 answers
14 views

Teleporting robot via 'rosservice call /gazebo/set_model_state' produces weird behaviour

The problem appears with: ...
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