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Questions tagged [teleoperation]

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Joy sometimes changes linux controller mapping

Hi everyone, When launching joy I occasionally experience a case where I have a wired xbox360 controller plugged to the machine and joy instead uses wireless mapping? This is obviously an issue for ...
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teleop_twist_joy doesn't publish

On Ubuntu I have installed the package ros-indigo-teleop-twist-joy in order to convert my joystick input (/joy) to velocity commands (/cmd_vel). In order to test my setup I ran the provided launch ...
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Getting Robot Position while Teleoperation

I have created a map using gmapping on turtlebot 2. Now, i want to let the user move the robot using teleoperation (meanwhile amcl is also running) and record the coordinate values of the path from ...
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teleoperation using custom key

so far we are moving out P3AT (spawned in USARSim) from my ROS machine using teleoperation. The difficulty we are observing is, -using default teleoperation key is not comfortable to operate the robot....
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robot does not stops when key is released from keyboard with teleop_twist_keyboard

hello, I am navigating a P3AT with teleop_twist_keyboard.py node, it works fine but the problem is that as soon the key is pressed robot starts moving even if i release the key and i have to stop it ...
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2 answers
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ERROR: cannot launch node of type [ps3joy/ps3_joy_node]

First of all, I'm running Ubuntu 12.04.5 LTS (using catkin hydro) on my workstation and at the beginning, I have these packets: beginner_tutorials, ps3joy and CMakelist.txt file ( ~/catkin_ws_ruben/...
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3 answers
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Accepting inputs from a Playstation 3 Controller via USB

Hey everyone! I'm new to ROS and I've been working on a project at university with underwater robotics. I want to implement controlling the robot remotely via a Playstation controller connected to my ...
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1 answer
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How to get watchdog_timer package

Hi, I am using ROS Fuerte and am trying to find a ROS watchdog service to use in a teleoperation program. I found the package watchdog timer on the ROS Wiki, but it does not show up in my current ...
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slam and virtual environment?

I wanna know if this feasible. In the client side, I have a virtual environment where the slave is considered as a point that populates the virtual environment. In this environment, there are some ...
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2 answers
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Is there a way to prioritize traffic in ROS?

There are two types of messages in our teleoperation system, i.e. video stream and haptic feedback. So it is important that data rate for haptic feedback should be not less than certain value. For ...
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2 answers
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Using ROS for telecomumication

Hi everyone, I'm using ROS with LAN network to connect my devices in my project. However, now I would like to configure my system out of LAN network. I want to set up a computer to run the Master node ...
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Running teleop in Safety Mode on Turtlebot

How can I use teleop in Safety Mode? Right now teleop switches the Create automatically to Full Mode. (I would like to use Turtlebot for telepresence. It would be nice when the teleoperator couldn't ...
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Obstacle avoidance or wandering behaviour in gazebo

I am on ROS electric, I have used gazebo with erratic robot in teleoperation mode, however can I make my robot move in an spontaneous 'obstacle avoidance', 'wandering' or 'random walk' mode - without ...
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ROS Answers SE migration: Using Webui

I have recently been trying to interface turtlebot with Webui packages to create some telepresence over a internet web browser. I was able to get everything installed and working, but I can only ...
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1 answer
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Converting/importing existing ROS code to rosjava

I have been reading through the rosjava documentation, but have yet to find a clear answer to my question. I have ROS working flawlessly on my Coroware Corobot, and want to be able to control it from ...
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Android Teleop App - "App Start Failed"

Hello everyone, I've today started to toy around with the Android apps. Of the three I have tried, Chirp and Follower work fine, however basic Teleop isn't working at all. Teleoperation isn't an issue ...
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2 answers
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Can't manage to install teleop_base package

Hey guys, I'm new to ROS and I recently finished the documentation's tutorial. My next step would be to try some ROS functionalities in a simulator before putting them to practice with a real robot. I ...
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Teleoperationg a Turtlebot without a wireless joystick

Does anyone knows a way to teleoperate a turtlebot through a joystick plugged on the workstation? I don't have a wireless joystick... Originally posted by lucascoelho on ROS Answers with karma: 497 ...
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Is there a more advanced keyboard teleop controller for pr2

There is a keyboard teleoperation program in pr2_teleop package. But it only provides very basic movement on the base. I am writing a more advanced keyboard ...
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1 answer
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PR2 motor control GUI/interface

Hi folks, I've been looking around for an easy-to-use GUI-like interface to control joint angles of the PR2, like we have for iCub. Do you know any tool that can be used in this manner? Thanks in ...
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1 answer
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Is there an Inverse Kinematics Teleop system available anywhere?

I've been playing around with the Planning Components Visualiser from the upcoming E-Turtle distribution and I must say, it's very cool. :) As far as I can see though, it only allows you to preview ...
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1 answer
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PR2 teleoperation in simulation

Hello all, Is there a tutorial on how to get the realtime teleoperation controllers (like JTTeleop) working in the gazebo PR2 simulation? I can't seem to find one and my own attempts haven't worked ...
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Publisher Subscriber Teleoperation -- High Latency?

Hi, I've build a simple packet reflector to test the roundTrip delay time of packets. I'm using the udp protocol (I've tested the others too) and am publishing at a rate of 1 kHz. The average round ...
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2 answers
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Rotation error in Gazebo simulation

Hi everywhere. I wrote the following robot model in URDF and then I built a controller to teleoperate with it. The result, as you can see in the video is not the expected, since they rotate on itself ...
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1 answer
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Build a controller from scratch

Hi everybody! After making a "stable" URDF of the robot that I want to simulate and make some tests with it in Gazebo, I'm trying to build a controller for teleop with it. Searching in the ...
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7 answers
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teleop_base deprecated, need generic teleop package

Hi All, It looks like teleop_base is deprecated according to its manifest. So my question is this: is pr2_teleop the new "generic" teleop package? If so, why the "pr2" prefix? I ...
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