URDF: Continuous joints just slides down
Hi there. I'm using ROS Indigo Gazebo 2.2.6 I'm trying to set up a simple car simulation for gazebo which consists of a box as chassis and 4 cylinders as wheels. Also I would like to implement a node...
View Articlemultiple gazebo robots acts differently while given the same order.
i'm running a simulation where I spawn two models of my robot in gazebo and give them the same order to walk in a circle I'm using different name spaces for every robot and able to publish each...
View ArticleHow to control robot in simulation (Gazebo 7.1.0)
Hello, i need to show one example in gazebo simulator.how to include any model in gazebo till i know, but i cant proceed further how to control that robot and give input to it. can anyone help me out...
View ArticleCalling gazebo/spawn_sdf_model service from rosJava
I would like to call the `spawn_sdf_model` service from RosJava and update the simulation in Gazebo. In order to spawn a model in gazebo I used a python node with the following code:...
View ArticleTopic subscription with gazebo and ROSJava
Hi would like to be notified when the position of an object in gazebo changes. I have found the following options: 1. Subscribe to gazebo/ModelStates and check for the object attributes 2. Use the...
View ArticleHow to know whether the robot turns over
I am new to Gazebo and ROS. I am recently working on a simulation using Gazebo 2 in ROS Indigo. The topic of my research is robot controlling, so it is critical to know whether my commands are...
View ArticleURDF-Joint: Car Model bounces
Hi there. I'm using Ros Indigo with Gazebo2. I modeled a car with two fixed rearwheels and two steerable (revolute joints) frontwheels using URDF. When the simulation starts the car falls down in the...
View ArticleROS_Control: Controller doesn't get loaded
Hi there. I'm using ROS Indigo and Gazebo2 I'm trying to implement a controller for my revolute joint in Gazebo. For that I looked how the controlling problem was solved with the rrbot or the mybot....
View ArticleHi, how can I subscribe the node(topic cmd_vel) of turtlesim to the node of...
Hi, I have build a model in gazebo ROS which is moving through teleop keyboard. I want to subscribe cmd_vel of turtlesim to my model and move turtlesim along with my model. Do you have any idea how...
View ArticleGazebo and MoveIt! MoveitSimpleControllerManager and sending joint trajectory...
Hi I've been working my way through the MoveIt! tutorials and have been having some problems with the Gazebo integration. I'm simply trying to plan and execute a command in MoveIt! and have it...
View ArticleGazebo_ros module missing
So basically I'm trying to run a model on gazebo and since I'm very new to Ros and gazebo I have no idea why I'm having this problem. SUMMARY ======== PARAMETERS * /robot_description:
View ArticleTricycle Model Odometry Issue
New to ROS, but I am trying to get the tricycle model plugin to accurately respond to rqt commands and update its position in rviz. I was able to get good response to rqt commands in Gazebo by: 1....
View ArticleRviz crashing (core dumped) when running with Gazebo
Hi to all, I'm following a tutorial, for which I have to run a launch file that runs Gazebo (with a wold with three robots) and runs also rviz. What happens constantly is that rviz always crashes,...
View ArticleUR10 project
Hello all, I need a structure for my project. **The aim is that a 3D camera tells a UR10 the location of an object (coordinates), then it moves its arm to the object and performs a circular path around...
View ArticleHow to turn the orientation of the Jackal Robot?
Hello everybody, We are using the Jackal robot from clearpath robotics for a project. **We want to turn the default moving direction of the robot to the opposite.** So the old forward direction should...
View ArticleGazebo or Rviz?
Hi, I'm working on my autonomous RC car, and would like to use ROS to help me visualize and simulate driving the RC car around a track. The car is Arduino based, and all sensors and calculations are...
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ROSWTF "unexpectedly connected" message and creation of new nodes
I am attempting multi-robot simulation (currently involving two robots) and the problem is with the roswtf which throws "WARNING The following nodes are unexpectedly connected:" warning as mentioned in...
View ArticleGazebo and rviz
Hi, I have some problems with gazebo and rviz. When I launch gazebo I have this error that makes gazebo terminate: Error [Param.cc:181] Unable to set value [1,0471975511965976] for key[horizontal_fov]...
View Articlehow can i send command from RViz or Gazebo to real robot ??
hi . i want to build real robot like hector_slam : http://wiki.ros.org/hector_slam what parts i need ? how can i send command from gazebo or RVize to real robot ? **connection between robot and PC is...
View Articletracked robot Gazebo-ROS
hello, I'm trying to create a simulator in gazebo under ROS, for a robot base. This robot base has tracked wheels. I would like to ask you how to implement them in ros and Gazebo, in particular: - is...
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