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具有选择与遗忘机制的极端学习机在时间序列预测中的应用

张弦 王宏力

物理学报2011,Vol.60Issue(8):68-74,7.
物理学报2011,Vol.60Issue(8):68-74,7.

具有选择与遗忘机制的极端学习机在时间序列预测中的应用

Selective forgetting extreme learning machine and its application to time series prediction

张弦 1王宏力1

作者信息

  • 1. 第二炮兵工程学院自动控制工程系,西安710025
  • 折叠

摘要

Abstract

To solve the problem of extreme learning machine (ELM) on-line training with sequential training samples,a new algorithm called selective forgetting extreme learning machine (SF-ELM) is proposed and applied to chaotic time series prediction.The SF-ELM adopts the latest training sample and weights the old training samples iteratively to insure that the influence of the old training samples is weakened.The output weight of the SF-ELM is determined recursively during on-line training procedure according to its generalization performance.Numerical experiments on chaotic time series on-line prediction indicate that the SF-ELM is an effective on-line training version of ELM.In comparison with on-line sequential extreme learning machine,the SF-ELM has better performance in the sense of computational cost and prediction accuracy.

关键词

混沌时间序列/时间序列预测/神经网络/极端学习机

Key words

chaotic time series/time series prediction/neural networks/extreme learning machine

分类

信息技术与安全科学

引用本文复制引用

张弦,王宏力..具有选择与遗忘机制的极端学习机在时间序列预测中的应用[J].物理学报,2011,60(8):68-74,7.

基金项目

国防科技预研基金(批准号:51309060302)资助的课题 ()

物理学报

OA北大核心CSCDCSTPCDSCI

1000-3290

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