基于粒子群算法的BP神经网络优化技术

被引:80
作者
张德慧
张德育
刘清云
吕艳辉
机构
[1] 沈阳理工大学信息科学与工程学院
关键词
BP神经网络; 粒子群算法; 改进; 训练; 预测;
D O I
10.16208/j.issn1000-7024.2015.05.040
中图分类号
TP183 [人工神经网络与计算];
学科分类号
140502 [人工智能];
摘要
针对传统BP神经网络存在学习效率低、收敛速度慢和容易陷入局部极小值的问题,提出一种基于改进的PSO来优化BP神经网络的方法。通过在PSO算法中引入随机变化的加速常数来获得最优权值,对BP神经网络进行优化和训练,将优化的BP神经网络用于遗传高血压患病年龄的预测中。实验结果表明,该方法较好地解决了传统BP神经网络易陷入局部极小值的问题,提高了算法的收敛速度和稳定性。
引用
收藏
页码:1321 / 1326
页数:6
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