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文献详情 >An Integrated Algorithm for Hi... 收藏
An Integrated Algorithm for Hinging Hyperplanes and Its Appl...

An Integrated Algorithm for Hinging Hyperplanes and Its Application in Distillation Process

作     者:GAO Xiaoyong~1,JIANG Yongheng~(1,2),HUANG Dexian~(1,2) 1.Department of Automation,Tsinghua University,Beijing 100084,P.R.China 2.Tsinghua National Laboratory for Information Science and Technology,Tsinghua University,Beijing 100084,P.R.China 

会议名称:《第三十届中国控制会议》

会议日期:2011年

学科分类:081704[工学-应用化学] 08[工学] 0817[工学-化学工程与技术] 081701[工学-化学工程] 

基  金:supported by National Nature Science Foundation under Grant(60974008,60704032) 863 Program(No.2007AA04Z193) 

关 键 词:Hinging Hyperplanes Convergence Rate Atmospheric Column 

摘      要:正Hinging hyperplanes(HH) is a kind of piecewise linear approximation methods which is proven to be effective for any continuous linear functions with arbitrary dimensions on compact sets in any given *** the open literatures,more attentions are concentrated on the representation capability and the convergence issue of parameter optimization is rarely concerned with,which is important for real world application,especially for real time online *** the application effect by the current parameter optimization method shows that the convergence rate becomes slower and slower along with iterations increase and hard to proceed when parameters are in a neighborhood of optimal *** cope with this drawback,a novel parameter optimization algorithm is introduced to accelerate the convergence rate,which integrates the Newton’s method with conjugate gradient *** effectiveness of proposed algorithm is verified by *** then a practical example is given to model the pour point of side-draw of atmospheric *** accuracy is satisfied for application and convergence rate by the integrated algorithm is accelerated compared with the original one.

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