| 提高多层前馈网络推广能力的权值控制算法 |
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| 引用本文： | 张翔,丁晶.提高多层前馈网络推广能力的权值控制算法[J].水科学进展,1998,9(4):373-377. |
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| 作者姓名： | 张翔 丁晶 |
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| 作者单位： | 四川联合大学水利系 成都610065 |
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| 基金项目： | 国家自然科学基金资助项目(49571017) |
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| 摘 要： | 研究了多层前馈网络的“过拟合”现象,针对网络拟合效果好,而推广能力差的问题,提出了与BP算法相结合的、以权值修正量小于某一给定的较小值为收敛标准的权值控制算法.在紫坪埔水库工程洪水预报的神经网络模型中的应用表明,该方法具有提高多层前馈网络推广能力的作用.
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| 关 键 词： | 多层前馈网络 过拟合 推广能力 权值控制算法 |
| 收稿时间： | 1997-04-21 |
Controlled Weight Method for Improving the Generalization Ability of Layered Forward Neural Networks |
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| Zhang Xiang,Ding Jing.Controlled Weight Method for Improving the Generalization Ability of Layered Forward Neural Networks[J].Advances in Water Science,1998,9(4):373-377. |
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| Authors: | Zhang Xiang Ding Jing |
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| Affiliation: | Sichuan Union University, Chengdu 610065 |
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| Abstract: | In this paper,the pheno menon of "over fitting" of ANN is studied.A new method called control led-weight is proposed to improve the generalization ability of layered forward neural networks.Its efficiency is given by using daturm from the field of hydrological forecasting. |
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| Keywords: | layered forward neural networks overfitting generalization ability controlled-weight method |
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