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Author:

张涛 (张涛.) (Scholars:张涛) | 胡兴鹏 (胡兴鹏.)

Indexed by:

incoPat zhihuiya

Abstract:

本发明公开了一种基于灰狼算法优化BP神经网络的信贷违约预测方法,对训练样本数据集和测试样本数据集进行归一化处理,建立网络拓扑结构。随机初始化灰狼种群。构造信贷违约预测神经网络适应度函数,计算灰狼个体的适应度值,并按照适应度值的排序,判断是否满足条件满足预定的最大迭代次数;利用改进的灰狼算法获得的权值和阈值进行BP神经网络训练。进行信贷用户违约预测,对神经网络的输出进行反归一化处理,得出预测结果本发明通过灰狼的过程优化网络结构参数,充分利用GWO算法的全局搜索能力优化BP神经网络的初始权值和阈值,避免BP神经网络易陷入局部最小问题,有效提高BP神经网络信贷违约预测的精度和稳定性。

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Patent Info :

Type: 发明申请

Patent No.: CN202110026423.0

Filing Date: 2021-01-08

Publication Date: 2021-04-23

Pub. No.: CN112700326A

Applicants: 北京工业大学

Legal Status: 撤回-视为撤回

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 5

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