In multirobot system, every robot(agent) explores the environment independently and creates the map of environment wherever it traversed across. Maps created by multiple robots are then merged to get the map of overall environment. To do this map-merging, I believe there are various methods used. I would appreciate if somebody explains these methods and merits and demerits of each method.
It is quite a good and wonderful question. There are two ways... first you can try integrating your robots using a Google Map/Google Earth like application. May be you will have to purchase such service. The other option is to restrict your work to certain area, obtain the coordinates from GPS and plot it as an overlay on a static map on your computer. The second option will work out better but you will need to do good amount of work. Also note that the GPS coordinates will not be accurate. Normal GPS devices will give you an error /tolerance within 5 meters, whereas most sophisticated and costliest will give you an error/ tolerance within 1 meter. I hope I have been able to answer your question to some extend. Good luck.
Hi
Try the following paper
The Characteristics of the Map Merging Methods: A Survey
Scientific Journal of Riga Technical University
available online
and also the review article
An Introduction to Swarm Robotics
http://www.hindawi.com/journals/isrn/2013/608164/
Good luck
Maki
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