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›› 1998, Vol. 24 ›› Issue (05): 27-29.

• 论文 • 上一篇    下一篇

改进的BP神经网络收敛性的实验研究

张明德,冯闻铮,董敏,刘福祯,乔长阁   

  1. 清华大学计算机系 北京,100084,清华大学计算机系 北京,100084,清华大学计算机系 北京,100084,清华大学计算机系 北京,100084,清华大学计算机系 北京,100084
  • 发布日期:1998-05-25

Study on Convergence Property of Progressed Back-propagation Neural Network

Zhang Mingde, Feng wenzheng, Dong Min, Liu Fuzhen, Qiao Changge   

  1. (Computer Department,Tsinghua University Beijing 100084)
  • Published:1998-05-25

摘要: 利用生物发酵过程运行数据为样本,对BP神经网络进行训练,考察了网络结构(隐含层数、隐含结点数议及学习率η和动量参数α对收敛精度与收敛速度的影响,提出了稳定区的概念和多输出网络分割的思想,并给出了得到较好收敛速度与精度的学习方案。

关键词: 人工神经元网络, 反向传播算法, 稳定区, 多输出网络分割

Abstract: Artificial Neural Network (ANN) was trained using biological fermentation data as samples.The effects of ANN structure(Hidden Layers Numbers & Units number in each Hidden Layer), learn rate ηand momentum constant α,on learn precision and speed were studied in details.We proposed the conception of stable area & multi-output network division, and provided optimized methods of Back-propagation (BP) training.

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