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Research on Automatic Synthesis of Combinational Logic Circuits

Author: ShangTao
Tutor: GanChaoZuo
School: Wuhan University of Science and Technology
Course: Control Theory and Control Engineering
Keywords: A combinational logic circuit Automatic synthesis Gene Expression Clonal selection algorithm Figure coded
CLC: TN791
Type: Master's thesis
Year: 2009
Downloads: 44
Quote: 4
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Abstract


The design of the combinational logic circuit is one of the important research direction in the design of digital circuits. The traditional design method requires the designer has a rich theoretical basis and design experience, although they are able to meet the requirements of the combinational logic circuit design, circuit obtained is usually not the best. Therefore, some effective methods have been proposed to overcome the shortcomings of the traditional method, while the automatic synthesis of combinational logic circuits in these methods showed a great advantage, able to bring to the field of digital circuit design breakthrough development. This paper proposes the improved gene expression of clonal selection algorithm to automatic synthesis of combinational logic circuits. The circuit encoding of this method, we have improved encoding of gene expression programming algorithm in two aspects. On the one hand, we use the concept of a block to shorten the length of the combinational logic circuit coding. The other hand, the output field of concepts have been proposed so that a gene encoding a combinational logic circuit of the multi-output can be expressed. In conjunction with the coding, clonal selection algorithm is selected as the search engine so that the proposed method has stronger global search capability. Then we made another novel method - clonal selection algorithm based on the coding of the \In this method, we have proposed a new \\Clonal selection algorithm is also applied to this method. Eight kinds of innovative variation operation operator and clonal selection algorithm, these operations operator operators were different from traditional genetic algorithms, genetic programming and gene expression programming them directly on the structure The operation makes changes very rich. We propose two methods successfully applied to the automatic design of combinational logic circuits. Last four combinational logic circuit automatic synthesis experiments to validate the effectiveness of the two methods, the experimental results show that these two methods can not only automatically synthesized to meet the design requirements of the circuit, and the circuit is obtained optimal or suboptimal, In addition, our method and the other five methods were compared, the experimental results show that the proposed method has the highest level of efficiency and success rate.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Basic electronic circuits > Digital circuits > Logic circuits
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