Title :
Accelerating Self-Modeling in Cooperative Robot Teams
Author :
Bongard, Josh C.
Author_Institution :
Dept. of Comput. Sci., Univ. of Vermont, Burlington, VT
fDate :
4/1/2009 12:00:00 AM
Abstract :
One of the major obstacles to achieving robots capable of operating in real-world environments is enabling them to cope with a continuous stream of unanticipated situations. In previous work, it was demonstrated that a robot can autonomously generate self-models, and use those self-models to diagnose unanticipated morphological change such as damage. In this paper, it is shown that multiple physical quadrupedal robots with similar morphologies can share self-models in order to accelerate modeling. Further, it is demonstrated that quadrupedal robots which maintain separate self-modeling algorithms but swap self-models perform better than quadrupedal robots that rely on a shared self-modeling algorithm. This finding points the way toward more robust robot teams: a robot can diagnose and recover from unanticipated situations faster by drawing on the previous experiences of the other robots.
Keywords :
cooperative systems; legged locomotion; multi-robot systems; cooperative robot teams; multiple physical quadrupedal robots; robust robot teams; self-modeling algorithm; unanticipated morphological change; unanticipated situations; Collective robotics; evolutionary robotics; self-modeling;
Journal_Title :
Evolutionary Computation, IEEE Transactions on
DOI :
10.1109/TEVC.2008.927236