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基于三类基函数的动态优化问题进化求解策略

发表时间:2014-04-15  浏览量:1699  下载量:544
全部作者: 陈旭,祁荣宾,杜文莉,HUAGLORYTianfield
作者单位: 华东理工大学化工过程先进控制和优化技术教育部重点实验室;格拉斯哥卡里多尼亚大学工程与建筑环境学院
摘 要: 通过引入三类基函数的概念,提出一种基于基函数的新动态优化问题(dynamic optimization problems,DOPs)进化求解策略。该方法使用基函数的线性组合替代以往的分段线性函数取近似控制轨线,并使用三角差分进化算法优化控制参数。通过对2个经典的DOPs使用基函数进化策略仿真研究,得出结论:新方法可以获得与以往方案精度相当甚至更优的结果,是一种值得采用的新方法。
关 键 词: 化工系统工程;Z-S-Ω基函数;差分进化;动态优化
Title: Dynamic optimization of chemical processes based on three types of basis functions using evolutionary algorithm
Author: CHEN Xu, QI Rongbin, DU Wenli, HUAGLORY Tianfield
Organization: Key Laboratory of Advanced Control and Optimization for Chemical Processes, Ministry of Education, East China University of Science and Technology; School of Engineering and Built Environment, Glasgow Caledonian University
Abstract: This paper introduces three types of basis functions, and then proposes a new evolutionary method based on these basis functions for dynamic optimization problems (DOPs). The proposed basis functions can substitute the traditional step functions to approximate the control trajectories of DOPs. Our method uses linear combinations of these basis functions to approximate the control trajectories, and optimize control parameters through trigonometric differential evolution. Our proposed method is applied to solve two DOPs, and the results indicate that the new approach can obtain solutions with the same accuracy or even better solutions when comparing with the traditional method based on piecewise constant functions.
Key words: process system engineering; Z-S-Ω basis functions; differential evolution; dynamic optimization
发表期数: 2014年4月第7期
引用格式: 陈旭,祁荣宾,杜文莉,等. 基于三类基函数的动态优化问题进化求解策略[J]. 中国科技论文在线精品论文,2014,7(7):689-697.
 
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