Automated Design Approach for Analog Circuits Based on a Multi-Stage Adaptive Genetic Algorithm

ZHAO Shu-guang; LIU Gui-xi; WANG Jun-ning; YANG Wan-hai

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Automated Design Approach for Analog Circuits Based on a Multi-Stage Adaptive Genetic Algorithm

更新时间：2025-07-16

- Automated Design Approach for Analog Circuits Based on a Multi-Stage Adaptive Genetic Algorithm
- Acta Electronica Sinica Vol. 32, Issue 4, Pages: 680-683(2004)
- 作者机构：
  
  1. 西安电子科技大学通信工程学院,陕西,西安,710071
  2. 西安电子科技大学电子工程学院
  3. 西安电子科技大学自动控制系
  4. 西安电子科技大学通信工程学院陕西西安,710071
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN702TP18
- Published：2004
- 稿件说明：
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ZHAO Shu-guang, LIU Gui-xi, WANG Jun-ning, et al. Automated Design Approach for Analog Circuits Based on a Multi-Stage Adaptive Genetic Algorithm[J]. Acta Electronica Sinica, 2004, 32(4): 680-683.
DOI：

ZHAO Shu-guang, LIU Gui-xi, WANG Jun-ning, et al. Automated Design Approach for Analog Circuits Based on a Multi-Stage Adaptive Genetic Algorithm[J]. Acta Electronica Sinica, 2004, 32(4): 680-683. DOI：

摘要

针对电路进化设计的速度和规模瓶颈

提出并讨论一种新的自适应遗传算法

其特点包括:支持结构自动生成和元件参数标准化的编解码方案

兼顾功能设计和结构化简要求的多目标适应度评估

考虑基因位影响力并跟踪进化进程的遗传参数调整策略等.实验证明

该方法可自动生成电路结构、优化元件参数和化简电路

并显著地减小运算量和提高优化程度.

Abstract

To implement evolutionary design of analog circuits with larger scale and higher speed

we proposed a multi-stage adaptive Genetic Algorithm.It features an encoding-decoding scheme supporting creation of circuit structures and standard values (i.e.discrete values in common use) of components

a multi-objective fitness evaluation method based on PSpice simulation and penalty for the circuit size

and a genetic parameter adaptation technique considering the different effect of each locus on fitness and tracking the course of evolution.It is suggested by the experiment results of a series of active filter that the approach discussed can firstly search feasible circuit structures

then find an optimal combination of component values

and finally provide a simplified circuit with a response very close to the design target

whilst only a modest computational resource that a PC can provides is required.

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