Effects of Selection Preferences on Evolved Robot Morphologies and Behaviors

In this work, we consider evolutionary robot systems where both the “bodies” and the “brains”, i.e., the morphologies and the controllers, of the robots are evolvable. The main goal was to investigate how the evolved morphological features change when using different criteria for selection, e.g., speed and morphological diversity. Results showed the emergency of animal-like gaits and morphologies. Notably, these animal-like behaviors and morphologies were not in any way intentionally introduced into the system: they emerged from the application of general natural principles, e.g., natural selection. What does this tell us about the natural evolution principles being applied?

[Karine Miras, Evert Haasdijk, Kyrre Glette, A.E. Eiben]

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