A Taxonomy for artificial embryogeny
Artificial Life
How artificial ontogenies can retard evolution
GECCO '05 Proceedings of the 7th annual workshop on Genetic and evolutionary computation
Evolving spring-mass models: a test-bed for graph encoding schemes
CEC '02 Proceedings of the Evolutionary Computation on 2002. CEC '02. Proceedings of the 2002 Congress - Volume 02
Environment as a spatial constraint on the growth of structural form
Proceedings of the 9th annual conference on Genetic and evolutionary computation
Co-evolution of morphology and control of soft-bodied multicellular animats
Proceedings of the 14th annual conference on Genetic and evolutionary computation
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Existing Artificial Embryogeny (AE) models are insufficient to generate a network structure because the possible links are limited to those connecting nodes with their predefined neighbors. We propose a novel network generating AE model capable of generating links connected to predefined neighbors as well those to non-neighbors. This mechanism provides additional flexibility in phenotypes than existing AE models. Our AE model also incorporates a heterogeneous mutation mechanism to accelerate the convergence to a high fitness value or enhance the evolvability. We conduct experiments to generate a typical 2D grid pattern as well as a robot with a network structure consisting of masses, springs and muscles. In both tasks, results show that our AE model has higher evolvability, sufficient to search a larger space than that of conventional AE models bounded by local neighborhood relationships.