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Hardware evolution system introducing dominant and recessive heredity

  • Tomofumi Hikage
  • Hitoshi Hemmi
  • Katsunori Shimohara
Evolvable Hardware
Part of the Lecture Notes in Computer Science book series (LNCS, volume 1259)

Abstract

This paper proposes a new hardware evolution system — a new AdAM (Adaptive Architecture Methodology), that introduces dominant and recessive heredity through diploid chromosomes in order to increase genetic diversity. Dominant and recessive heredity is implemented by two techniques: one node of a tree-structured chromosome can have two sub-trees corresponding to alleles: Dominant or recessive attributes of a new pair of sub-trees is decided randomly. Simulations using the artificial ant problem show that the new AdAM is superior to the old one in adaptability and robustness in the face of a changeable environment.

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References

  1. 1.
    Bruce Albers et al. Molecular Biology Of The Cell Second Edition. Kyoikusha, 1993.Google Scholar
  2. 2.
    Tetsuya Higuchi, Tatsuya Niwa, Toshio Tanaka, Hitoshi Iba, Hugo de Garis, and Tatsumi Furuya. Evolvable hardware — Genetic based generation of electric circuitry at gate and hardware description language (HDL) levels. Technical Report 93-4, Electorotechnical Laboratory, Tsukuba, Ibaraki, Japan, 1993.Google Scholar
  3. 3.
    Hemmi Hitoshi, Jun'ichi Mizoguchi, and Katsunori Shimohara. Development and evolution of hardware behaviors. In Artificial Life IV. MIT Press, 1994.Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1997

Authors and Affiliations

  • Tomofumi Hikage
    • 1
  • Hitoshi Hemmi
    • 2
  • Katsunori Shimohara
    • 1
  1. 1.NTT Human Interface LaboratoriesKanagawaJapan
  2. 2.Evolutionary Systems DepartmentATR Human Information Processing Research LaboratoriesKyotoJapan

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