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《Petrochemical Technology》 2003-03
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Prediction of Solids Concentration in Gas-Solid Circulating Fluidized Bed Based on Wavelet and Neural Networks

ZHOU Shu-xiao,SHI Yan-fu,YU Hua-rui (Department of Chemical Engineering,College of Chemical Technology,Sichuan University,Chengdu Sichuan 650041,China)  
A new hybrid method for prediction of solids holdup in gas-solid circulating fluidized bed is proposed based on chaos phase reconstruction and wavelet package as well as neural networks.This article presents the use of the chaos method to reconstruct attractors in phase spaces and a radial basis networks to fit the attractor's global map after the use of wavelet packet analysis to reduce noise,to construct a new hybrid prediction model.Experimental results show that the model provides good predictions and has promising applications.
【Fund】: 国家自然科学基金;; 海外青年学者合作基金(29928005)。
【CateGory Index】: TQ021
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