Questions tagged [multi-robot]
The multi-robot tag has no usage guidance.
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Best approach to build a basic multi robot controller
I'm a beginner in ROS. I've 2 robots which run ROS Kinetic (Those robots are commercially available and I've access to the system). I've searched about the Multi robot control systems and found RMF, ...
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46
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Is there any way to know if tmux is slow for a multi-robot experiment and if there are alternatives?
I'm trying to run a multi-robot SLAM experiment, which is similar to that of Kimera-Multi, that uses tmux to run numerous shell and ROS commands. I'm on ubuntu 20.04 and ROS noetic.
I'm running on an ...
- 3
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Unable to localize multi robot due to amcl not receiving scan data
Hello guys i am working on multi robot. All works well. I am able to get topics for different robot for their namespaces . I am also able to echo the scan topics , provide the map by the map-server ...
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2
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Multi robot /tf with namespaces for tf or with frame_prefix? What is the right way to do it? ROS2
Hello,
I want to simulate 2 turtlebots with their own slam and navigation together in the same Gazebo ROS2 Foxy simulation.
For that, I want to separate them, so that they do not interfere with each ...
Zeckurbo
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14
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Dynamic publishers, subscribers and callbacks
I am trying to create a multi-robot system (MRS), where multiple robots are communicating with each other over ROS2, Galactic, Ubuntu 20.04. Currently, I'm only running this in simulation, but I have ...
KimJensen
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5
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ROS2 - Multi-robot launch files with variable parameters
Hello,
I am currently working on a multi-robot simulation package and I would like to spawn multiple robots with different parameters using launch files.
In general, I have a few ideas to implement ...
HarunTeper
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10
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Unable to transform object from namespaced frame 'ns/base_link' to planning frame 'base_link'
I have a two robot system that is prefixed in separated namespaces so each robot can work independently, but they exist in a single workspace in a connected tf_tree....
- 35
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Spawning multiple robots in Gazebo and assinging namespaces
In my application I want to spawn multiple robots in the Gazebo world and also keep namespaces for each robot in order to use tools as SLAM, navigation or exploration for each robot individually.
...
NotARobot
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The tf transform between base_footprint of robot1 and base_footprint of robot1 have little errors on multi-robot systems?
Hello,everyone!Right now I'm doing some some simulations about multi-robot systems on Gazebo and what I have achieved are:
(1)I can launch multiple robots(for instance,2 robots) on Gazebo
(2)I can use ...
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How to make ekf localization node for multiple ridgeback robots
Hi all, Now I'm running with Ubuntu 16.04, ROS kinetic (ROS1)
I also working with my Gazebo multi ridgeback robots by modifying the ridgeback_simulation
But the problem is I don't know how to let EKF ...
Soloist
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2
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Adding a namespace to robot frames
I am running multiple qbots in a multi-master network, and I have been able to successfully run individual robot topics under a given namespace. (eg: qbot1/mobile_base/commands/ .... , qbot2/...
TharushiDeSilva
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4
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freenect /camera/depth/points topic not published under a group namespace tag
Hi! I am currently running Octomap on my Qbot using ROS kinetic and Ubuntu 16.04. (My plan is to run ROS navigation stack using the built octomap and create a multi-robot system)
Because of the multi-...
TharushiDeSilva
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1
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2
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Unique namespace for a robot using the launch file
Hi! I am trying to develop a multi-robot system using Qbots. For that I need to assign different namespaces to each robot in the network. (As Qbot1, Qbot2 etc.)
As my previous question, and the ...
TharushiDeSilva
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3
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How does a TB3 robot get the coordinates of others?
There are three TB3(A,B,C) robots. Each robot has an independent coordinate system. The movement of A needs to be changed according to the location of B and C. How does A get the position of B and C (...
jiangzhiwen
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Issue when using rosbag to record concurrent messages from multiple devices to a single topic
Hi All,
I've been struggling with this issue ever since upgrading our kinetic/indigo systems.
Brief outline of our software/hardware; 7 laptops (3 on indigo and 4 on kinetic), 3 turtlebot2 platforms ...
Tiz
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How to install foreign_relay package?
I would like to install wifi_comm (http://wiki.ros.org/wifi_comm) in ROS Lunar Desktop-Full distribution and I need to install foreign_relay (http://wiki.ros.org/foreign_relay). Someone knows how do ...
Mirco
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8
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Why tf trees for multi-robot system not showing?
Hi all,
I have been building a simple multi-robot system for 3 days referencing to patrolling_sim, which wrap all necessary nodes for a robot in a group tag. I am ...
Megacephalo
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1
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Questions on adapting an algorithm to work with multiple state-space configurations and releasing to the ROS community
Hello,
After successful development of an initial version of a multi-robot localization and object tracking algorithm, we have the desire to make it accessible to the ROS community. I have some ...
dotcom
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3
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Increase thread count of Asyncspinner? (Multi-threading)
Hey guys,
I have a world_node which offers a service to register_new_robot.
Once called, the service creates a new C++ object ...
Borob
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Ubuntu Trusty ros-indigo-adhoc-communication package
Hi
The ros-indigo-adhoc-communication Ubuntu package seems to be incomplete. For example, it doesn't seem to install the adhoc-communication node.
Using adhoc_communication after installing this ...
thekamz
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1
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Multi-robot exploration with explorer and adhoc_communication?
Hi ,
i am trying to setup a multi-robot-exploration like shown in the video of the explorer package (http://wiki.ros.org/explorer). Did someone successfully get that setup running? (explorer + ...
js4
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Multi robot collision avoidance
I found a package for ROS which solves the multi robot collision avoidance problem:
http://wiki.ros.org/multi_robot_collision_avoidance
The instructions seem so simple, but yet something is missing in ...
Timur
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4
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workstation multi-robot with rviz
Hi there !
We've got a problem ( my classmate and I) about the multi-robot supervision on Rviz. We would like to see 2 turtlebots on the workstation Rviz but we don't know if we have to do a .launch ...
florian2
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Difference between two transform broadcasters
What is the difference between the following transform broadcasters in a multi-robot simulation:
...
Hemu
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1
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1
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Simulation of Navigation_2D/nav2d package in Gazebo
Hello,
I am currently trying to implement the navigation_2d package using Gazebo with a Husky Robot Model and am facing several problems. Is there anyone out there who has managed to successfully ...
Ashwin27
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1
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2
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nav2d autonomous multi robot exploration
Hi everyone,
I started using the nav2d package and did the four tutorials with success.
In the 3rd tutorial you can make a robot autonomously explore an unknown map.
In the 4th, you can move two ...
Marco_F
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1
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Multi Robot Mapping in Navigation_2d Tutorials
The tutorials for the navigation_2d package are provided here. The first 3 work flawlessly and, being a beginner, they have taught me a lot. However, the next 2 tutorials have very little ...
Ashwin27
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why the rocon_app_manager is not launched?
Hi, I am learnig ROCON which is an exellent example of multi-robot system. I am trying to run multinav_concert in ROCON's Hydro repository. As the multinav.concert file says, firstly a rviz ...
scopus
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Problem with multirobots navigation
I'm trying to do a multirobots navigation in Gazebo simulator using two turtlebot.
I put the two turtlebot in Gazebo and I see in correct mode the robots in the environment with a correct ...
Stefano Primatesta
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1
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2
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move_base changes clock of mapping node
Hi, i am using stage to simulate two robots. Mapping runs, but if i start move_base for the first roboter, its tf stops working. So i researched a little bit and found out that if i start move_base ...
pkohout
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multirobot interaction using turtlebot
Hello everybody,
I have a very basic question regarding multi-robot interaction. How can I make two robots share the same roscore?
My basic job is to interact between two robots via some topic. The ...
joy
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how to publish the same node on different laptops under one master node
Hi all,
Here is my setup.
I have a multi-robot task where i setup an ad-hoc network and set the master uri to one of the 3 laptops. 2 laptops on the 2 robots and 1 laptop is in the middle. I have 2 ...
searchrescue
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4
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Multi Robot systems framework in ROS
Hi Community,
We have been working at a multi robot coordination project here at Carnegie Mellon. The framework is completely ROS based right from the robot controller to communication, front end and ...
Ammar
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1
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3
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ROS in multi-robot applications?
Greetings,
In my knowledge, most development in ROS is for single robot operations.
Is ROS being used in any multi-robot applications?
Any open-source initiatives which focuses on multi-robot systems?
...
prince
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3
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Launching different robots in Gazebo at the same time
Hi guys,
I'm trying to write a launch file to simulate two different robots in gazebo at the same time. I've tried many things and changes in my launch file but I can get it working. Sometimes I get ...
RaulC
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1
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simulate marker on stage
I am trying to simulate multi-robot behavior os stageros. I want my robots to be conveyed a message when they reach a marker(anytype fiducial or bar code). player-stage which has support both for ...
iceman
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3
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2
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Multi robot simulation in ROS
Hello everybody,
I have a problem with multi-robot simulation.
I have a launch file that launches two xacro files
...
Neostek
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1
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2
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how to deal multiple erratic robots in gazebo?
Hi, I am stuck in a problem. I want to use two/three erratic robots in gazebo. I have got help from link here. I am successful in spawning two erratic robots. I am using this two_robots.launch
...
abdullah
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1
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8
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best practice for multi robot simulation
Hi,
Could anybody let me know what is the best practice for multi-robot simulation in ROS ?
I want to simulate both an aerial vehicle and a ground vehicle in gazebo, and control them for the missions ...
maruchi
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2
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9
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TF on multiple robots gets crowded
I have been running experiments with a team of four KUKA youBots communicating via ROS over WiFi. I have observed that the /tf topic is crowded with a lot of transforms not of interest to most of the ...
Ross
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How to use tf in more than one robot?
Hi!
I'm trying to do coperative things in between turtlebots. The thing is that first I need both robots in the same core, otherwise they can not interact. But when I put them under the same core I ...
apalomer
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Using Openni_launch in a multirobot system
Hello!
I am currently working on a huge project where several identical robots will work together using ROS as the framework. There will be a central roscore, with the same nodes/topics launched on ...
Per Lenander
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2
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roslaunch for multi-robot team
Hello all:
I want to write a roslaunch file to launch the same set of nodes, identically configured, on a number of robots. What's the most economical way to write a launch file or files to do that? ...
Tom Sgouros
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how to best run a service that many clients connect to every few seconds?
I'm running a simulator backend that allows clients to connect to it using the rosservice calls. Everything works fine with a few clients connected (<20 or so) but if I try a large-scale test with ...
Devin Grady
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Successful use of wifi_comm?
Dear All,
I was just wondering if anyone successfully managed to use wifi_comm.
As far as I know I followed the instructions to the letter, successfully managed to install olsrd and also make the ...
roboviz
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4
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6
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Multi-robot navigation
Hi,
I have problem with implementing navigation to work with multiple robots. Errors:
Waiting on transform from /robot_1/base to /map to become available before running costmap, tf error: Frame id /...
Jack Sparrow
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2
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4
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Clarification on ROS's port usage
According to this page: http://www.ros.org/wiki/ROS/NetworkSetup, for nodes on two computers to communicate, all ports must be open.
Doesn't this raise security concerns?
Is it really all ports? Isn'...
baxelrod
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9
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How can multiple robots communicate using ROS?
For many applications, communication between robots is necessary. What is currently the recommended best practice for achieving that?
Originally posted by Stefan Kohlbrecher on ROS Answers with karma:...
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