Research on several improved BP algorithms and comparison in application

Computer Engineering and Applications ›› 2007, Vol. 43 ›› Issue (33): 243-245.

• 工程与应用 • Previous Articles Next Articles

Research on several improved BP algorithms and comparison in application

GENG Xiao-qing^1,2,HE Jin-sheng¹,YU Bao-qin²

1.School of Management,Tianjin University,Tianjin 300072,China
2.Department of Information,Tianjin University of Finance and Economics,Tianjin 300222,China

Received:1900-01-01 Revised:1900-01-01 Online:2007-11-21 Published:2007-11-21
Contact: GENG Xiao-qing

几种改进BP算法及其在应用中的比较分析

耿小庆^1,2,和金生¹,于宝琴²

1.天津大学管理学院,天津 300072
2.天津财经大学信息系,天津 300222

通讯作者: 耿小庆

Abstract

Abstract: In order to overcome the problems in standard BP algorithm,three kinds of improved BP algorithm are put forward.Taking strategic early-warning system as sample,ABPM,HBP and LMBP algorithm have better convergent speed and convergent precision than standard BP algorithm and avoid falling into local minimum.The result of simulation shows that LMBP is the optimization algorithm in three of improved BP algorithms.

Key words: adaptive variable step-size algorithm, homogeneous BP algorithm, LMBP, early-warning

摘要： 分析了标准BP算法存在的问题,对ABPM、HBP、LMBP三种改进的BP算法进行了研究,以企业战略预警系统为例,分别用改进算法进行仿真,从收敛速度、收敛精度等方面进行比较分析。仿真结果表明,三种改进算法均不同程度解决了标准BP算法存在的收敛速度慢、容易陷入局部极小等问题,其中LMBP算法达到的效果是最优的。

关键词: 自适应变步长算法, 同伦PB算法, LMBP, 预警

GENG Xiao-qing^1,2,HE Jin-sheng¹,YU Bao-qin². Research on several improved BP algorithms and comparison in application[J]. Computer Engineering and Applications, 2007, 43(33): 243-245.

耿小庆^1,2,和金生¹,于宝琴². 几种改进BP算法及其在应用中的比较分析[J]. 计算机工程与应用, 2007, 43(33): 243-245.

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Research on several improved BP algorithms and comparison in application

几种改进BP算法及其在应用中的比较分析

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