保护有效结构的整型/连续变量分离优化策略改进RWCE算法

doi:10.19596/j.cnki.1001-246x.8188

计算物理 ›› 2021, Vol. 38 ›› Issue (1): 89-98.DOI: 10.19596/j.cnki.1001-246x.8188

保护有效结构的整型/连续变量分离优化策略改进RWCE算法

张丁太, 崔国民, 李万总, 徐玥

上海理工大学能源与动力工程学院, 上海 200093

收稿日期:2019-12-13 修回日期:2020-02-26 出版日期:2021-01-25 发布日期:2021-01-25
通讯作者: 崔国民,E-mail:cgm1226@126.com
作者简介:张丁太(1996-),男,硕士
基金资助:
国家自然科学基金（21978171）及上海市科委部分地方院校能力建设计划（16060502600）资助项目

Improved RWCE Algorithm with Integer/Continuous Variable Separation Optimization Strategy to Protect Efficient Structure

ZHANG Dingtai, CUI Guomin, LI Wanzong, XU Yue

School of Energy and Power Engineering, Shanghai University of Technology, Shanghai 200093, China

Received:2019-12-13 Revised:2020-02-26 Online:2021-01-25 Published:2021-01-25

摘要/Abstract

摘要： 强制进化随机游走算法优化换热网络时，连续变量进化阶段产生年综合费用更低的结构会被整型变量进化操作所破坏，导致连续变量进化后形成的结构未能充分发挥优势，制约了连续变量进化。本文提出保护有效结构的整型/连续变量分离优化策略，将连续变量进化与整型变量进化两个阶段的结构费用分别进行判断，从而保护具有发展潜力的结构，使年综合费用进一步降低。通过算例研究，取得优于文献的结果，并有效提升了算法计算精度，验证了策略的有效性。

关键词: 换热网络, 节点非结构模型, 分离优化策略

Abstract: As random walk algorithm with compulsive evolution is used to optimize heat exchange network, the structure with lower annual cost in continuous variable evolution stage is destroyed by integer variable evolution operation. As a result, the structure formed after the evolution of continuous variables can not play its full advantages, which restricts the evolution of continuous variables. We propose an optimization strategy of separating continuous variables and integers to protect the effective structure, thereby, protecting structures with development potential and reducing the combined annual cost further. In example study our result is better than that in literature. Precision of the algorithm is improved, and validity of the strategy is verified.

Key words: heat exchange network, random walk algorithm with compulsive evolution, separation optimization strategy

中图分类号:

TK124

张丁太, 崔国民, 李万总, 徐玥. 保护有效结构的整型/连续变量分离优化策略改进RWCE算法[J]. 计算物理, 2021, 38(1): 89-98.

ZHANG Dingtai, CUI Guomin, LI Wanzong, XU Yue. Improved RWCE Algorithm with Integer/Continuous Variable Separation Optimization Strategy to Protect Efficient Structure[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2021, 38(1): 89-98.

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保护有效结构的整型/连续变量分离优化策略改进RWCE算法

Improved RWCE Algorithm with Integer/Continuous Variable Separation Optimization Strategy to Protect Efficient Structure

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