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Questions tagged [multimaster]

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How to run ROS multimaster on noetic?

I am trying to run multimaser for ros-noetic between two Docker containers. I am following the instructions from this pdf section 3. This is my Dockerfile ...
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One lab, multiple robots, multiple independent projects

I just came across this quote: "For use cases with multiple robots it is generally recommended to use multiple masters and forward specific tf information between the robots. There are several ...
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Install Rocon on kinetic, is it possible?

I want to use rocon_multimaster on kinetic, but i'm having trouble installing rocon on kinetic. Is it just available for Indigo? Originally posted by hvitall96 on ROS Answers with karma: 11 on 2017-...
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How to prefix remote topics in a multimaster setup with rocon?

Hi, I am experimenting with a multimaster setup. A central server S and two robots A and B. Currently I am using rocon. When I flip a connection from A to S eg. /talker this will appear on S as /...
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Connected Tf tree for multimaster turtlebots

Hi everyone, has anyone find ways to connect multiple tf trees from different master into a single tf tree? Originally posted by Vinh K on ROS Answers with karma: 110 on 2015-08-11 Post score: 0
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scalability of ROS

Dear Friends, I was looking for some study on scalability of ROS for multi-robot application. Has anyone conducted any study till date? I have looked to multi-master package. Any pointers to design ...
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Multiple master in ROS

Hi guys! I am looking for the solution to work with multiple master, for example I use one computer to get camera images adn robot status, another computer is connected with the previous computer ...
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How to run multiple Independent Gazebo instances on the same machine?

Hi all, I'm trying to run multiple independent Gazebo-ROS instances on the same machine so two or more remotely connected users can use it at the same time. I've read this answer about multiple ros ...
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Which way should I choose to broadcast a topic in ROCON?

Hi, all! I am establishing a multi-robot system with several turtlebots. Every robot is an individual intelligent agent and same with each other. Then I want every robot in this multi-robot system ...
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collecting robot activity data on-line

I would like recommendations or suggestions for automatically collecting usage information on a set of indoor robots. The robots all run ROS Hydro on Ubuntu Precise and have fairly good but not ...
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Why "Couldn't find an AF_INET address for [TTBA]" always come out?

Hi, I am trying to learn and run multimaster in ROCON with two turtlebots. I launched amcl in two turtlebots, and try to flip amcl_pose to a server computer TTBA. But several lines with "Couldn't ...
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What does the compatibility tree in ROCON mean?

Hi, all. I am learnning the ROCON project of Hydro. I studied the code of the package concert_orchestra. I am sorry, I can't understand it at all. This partly is because I am a newcomer of Python. ...
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ROS Answers SE migration: Foreign Relay

Dear all, I have ROS Groovy running on a remote system, but need to have topics available locally as well. I've looked into multimaster_fkie and foreign_relay. I got foreign_relay working locally (...
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Foreign Relay Spams Topic

I have two ROS masters running on the same machine (on different ports) that I want to publish/subscribe a topic between one another. I've been using Foreign Relays for this purpose, since I've ...
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How to use TCPROS for multi-robot communication

Hi Community, I was wondering if it is possible to use TCPROS to send directed messages to another robot. You could assume that both robots are configurable however desired and are have separate ROS ...
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Help with foreign_relay subscription

Hey, I'm having difficulties using foreign_relay. I find that I can use it in advertise mode, to push a topic from my local master to the remote master, ie: ...
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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 ...
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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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