Evolving analog circuits by variable length chromosomes

Authors:
Shin Ando;Mitsuru Ishizuka;Hitoshi Iba
Affiliations:
Department of Electronics Engineering, School of Engineering, University of Tokyo, Tokyo, Japan;Department of Electronics Engineering, School of Engineering, University of Tokyo, Tokyo, Japan;University of Tokyo, Graduate School of Frontier Science, Tokyo, Japan
Venue:
Advances in evolutionary computing
Year:
2003

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Abstract

This chapter proposes a framework of evolutionary analog circuits. This system features robustness to noise, optimized scaling, and high efficiency. These features solve the problems of the analog circuit design and manufacture. Methods utilized by this system are list-based chromosome, adjusted fitness, and two-stage evolution. Several experiments are conducted to examine the effectiveness of each of the methods. The first experiment compares other types of chromosome for the analog circuit design. The second experiment examines the robustness of evolutionary analog circuits. The other experiments are on the deduction of scaling and two-stage evolution.