Shrinking the Genotype: L-systems for EHW?

  • Authors:
  • Pauline C. Haddow;Gunnar Tufte;Piet van Remortel

  • Affiliations:
  • -;-;-

  • Venue:
  • ICES '01 Proceedings of the 4th International Conference on Evolvable Systems: From Biology to Hardware
  • Year:
  • 2001

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Abstract

Inspired by biological development where from a single cell, a complex organism can evolve, we are interested in finding ways in which artificial development may be introduced to genetic algorithms so as to solve our genotype challenge. This challenge may be expressed in terms of shrinking the genotype. We need to move away from a oneto-one genotype-phenotype mapping so as to enable evolution to evolve large complex electronic circuits. We present a first case study where we have considered the mathematical formalism L-systems and applied their principles to the development of digital circuits. Initial results, based on extrinsic evolution, indicate that our representation based on L-systems provides an interesting methodology for further investigation. We also present our implementation platform for intrinsic evolution with development, enabling on-chip evaluation of grown solutions.