Reliable, Cloud-based Communication for Multi-Robot Systems
Ronny Hartanto, Markus Eich
In The 6th Annual IEEE International Conference on Technologies for Practical Robot Applications , (TePRA-2014), 14.4.-15.4.2014, Woburn, Massachusetts, IEEE, Apr/2014.

Zusammenfassung (Abstract) :

In contrast to single robotic agent, multi-robot systems are highly dependent on reliable communication. Robots have to synchronize tasks or to share poses and sensor readings with other agents, especially for co-operative mapping task where local sensor readings are incorporated into a global map. The drawback of existing communication frameworks is that most are based on a central component which has to be constantly within reach. Additionally, they do not prevent data loss between robots if a failure occurs in the communication link. During a distributed mapping task, loss of data is critical because it will corrupt the global map. In this work, we propose a cloud-based publish/subscribe mechanism which enables reliable communication between agents during a cooperative mission using the Data Distribution Service (DDS) as a transport layer. The usability of our approach is verified by several experiments taking into account complete temporary communication loss.



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