Is there a book on gazebo?
Hi all, I am working on a turtlebot with gazebo. However, I am looking for more documentation on gazebo with ros using turtlebots as the ground robots. So far, I have not gotten far to find good book...
View Articleros plugin error with gazebo 7
I was trying to run this [tutorial](http://gazebosim.org/tutorials?tut=ros_plugins&cat=connect_ros), with gazebo 7 and ros indigo, but this time after i upgraded the gazebo version it shows lot of...
View ArticleOscillations in simulated acceleration
Hello everyone, I am writing some custom aerodynamics plugins and I want to query Gazebo for the linear acceleration (among others). I have placed this code inside one of my plugins, similar to...
View Articlemember of one class pointing to member of another class
I was trying to understand the lines in the velodyne_plugin.cc file from this [tutorial](http://gazebosim.org/tutorials?cat=guided_i&tut=guided_i5), Here i saw this line which confuse me:...
View ArticleHow does this plugin gazebo_ros_vacuum_gripper triggers the gripping process?
If you have good understanding of the code, please take a look at the following code, and let me know, how does the gripping is triggered in this code?...
View Articletrouble launching gazebo
When I try to launch gazebo I have been getting this error. Can anybody shed some light on what this means and how to fix it? *** Error in `gzserver': malloc(): memory corruption (fast):...
View ArticleCreating a mal-functioning robot manipulator in Gazebo
I am new in Gazebo... I would like to create a mal-functioning manipulator in Gazebo, such as where the torque of joints are reduced in half. Something like that. Shall I add SetForceImpl() in...
View Articlejoint don't moves as expected
I was trying to move a joint with below code: public: void Load(physics::ModelPtr _parent, sdf::ElementPtr) { if (_parent->GetJointCount() == 0) { std::cerr << "Invalid joint count,plugin not...
View ArticleModify model names during simulation
When I 'insert' a model from the Gazebo GUI, it seems I could not change its model name anymore. Is there any way to change its name after drag it into the simulation world?
View ArticleAddRelativeForce doesn't work with Bullet engine
I have written a plugin communicating with ROS, which subscribes to a "wrench" topic and uses link->AddRelativeForce() to apply the force to the link. While it works ok with the ODE engine, it...
View ArticleUncontrollable robot with bullet physics (works ok with ode)
I got `hector_quadrotor` working with gazebo5 (instead of gazebo2) to be able to experiment with different physics engines. While the quadrotor is controllable with ode (subscribing to `cmd_vel`) it...
View ArticleIntermittent Assert: "Took over 1.0 seconds to update a sensor"
Using Indigo, Gazebo is asserting in gazebo/sensors/SensorManager.cc, "Took over 1.0 seconds to update a sensor" in SensorManager::SensorContainer::RunLoop(). 1) Why am I hitting assert in release...
View ArticlePhysics integration from acceleration to velocity doesn't match
Hi, I have a SDF defining a AUV. It has several links, with joints of revolute and with 0 limits connecting them. So I can consider my robot one of rigid body. I also set the inertia of the main link...
View Articlepointer to joint_state doest works
I was trying to use the joint_state class of gazebo API, but when i try to declare it as physics::JointStatePtr jointstatep; It shows: error: ‘JointStatePtr’ in namespace ‘gazebo::physics’ does not...
View ArticleGetWorldLinearVel animation problem
Hello everybody, I am moving a box using the animation system (KeyFrame,...). I would like to output some datas like the model's position and speed. I have created a model plugin. No problem for the...
View ArticleSpawn a box in another frame than world
Is it possible to spawn a box in a different frame than world? having already a robot spawned, I want to spawn something relative to base_link of that robot. How to do that? After digging in the source...
View ArticleRestitution coefficient does not change
Hi all, I'm creating a contact simulation of two objects with Gazebo7. I tried to change the restitution coefficient, but still I can't make it. My URDF code is here: Ball: 0.1 0.1 0.10.1 0.1...
View ArticleHelp understanding what's going on with the forces on Atlas' foot.
I'm recording the forces on Atlas' foot while walking normally. The forces in the beginning behave as expected. However there's some crazy oscillation...
View ArticleMeasure distance between 2 points in GUI?
I used the building editor to model my building / office. Now I want to put sensors and beacons in there, but it is difficult to know where exactly to put them. I know, for example, that there is a...
View ArticleGzweb not load well my world
I have create the following world [C:\fakepath\road_drone_textures.world](/upfiles/1473418331636978.world). with gzclient Works perfectly but in Gzweb, when load the second lamp shows the following...
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