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Artificial Life

Fall 2004, Vol. 10, No. 4, Pages 463-477
(doi: 10.1162/1064546041766433)
© 2004 Massachusetts Institute of Technology
The Data-and-Signals Cellular Automaton and Its Application to Growing Structures
Article PDF (1.35 MB)

In a traditional cellular automaton (CA) a cell is implemented by a rule table defining its state at the next time step, given its present state and those of its neighbors. The cell thus deals only with states. We present a novel CA where the cell handles data and signals. The cell is designed as a digital system comprising a processing unit and a control unit. This allows the realization of various growing structures, including self-replicating loops and biomorphs. We also describe the hardware implementation of these structures within our electronic wall for bio-inspired applications, the BioWall.