| 基于AIGA-BP神经网络的粮食产量预测研究 |
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| 引用本文： | 牛之贤,李武鹏,张文杰.基于AIGA-BP神经网络的粮食产量预测研究[J].计算机工程与应用,2012,48(2):235-237. |
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| 作者姓名： | 牛之贤 李武鹏 张文杰 |
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| 作者单位： | 太原理工大学计算机科学与技术学院,太原,030024 |
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| 基金项目： | 科技部专题项目（No.2006FY11070903） |
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| 摘 要： | 为了提高预测粮食产量的准确度,针对BP神经网络进行粮食产量预测时易陷入局部最优的缺陷,主要借鉴免疫系统的浓度调节机制和遗传算法的全局寻优特性,用自适应免疫遗传算法(AIGA)来优化BP神经网络的权值和阈值,并给出了具体的优化过程。用优化的神经网络对粮食产量进行了仿真预测,通过仿真实验表明,与BP神经网络预测法和遗传神经网络预测法对比,优化的网络模型在粮食产量预测中取得了更精确的结果。
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| 关 键 词： | BP神经网络 自适应免疫遗传算法 粮食预测 |
| 修稿时间： | |
Prediction of grain yield using AIGA-BP neural network |
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| NIU Zhixian
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LI Wupeng
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ZHANG Wenjie.Prediction of grain yield using AIGA-BP neural network[J].Computer Engineering and Applications,2012,48(2):235-237. |
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| Authors: | NIU Zhixian LI Wupeng ZHANG Wenjie |
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| Affiliation: | College of Computer Science and Technology, Taiyuan University of Technology, Taiyuan 030024, China |
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| Abstract: | In order to improve the accuracy of forecasting grain production,for the BP neural network prediction of grain production fall into local optimum easily,based on the concentration of the immune system regulation mechanism and Genetic Algorithm global optimization characteristics,an Adaptive Immune Genetic Algorithm optimization（AIGA）is presented to optimize BP neural network＇s initial weights.And a specific optimization process is given.The optimum neural network is used to realize simulation prediction of grain yield.The results show that compared with BP neural network and genetic neural network forecasting method,this optimized network model can obtain more accurate results for predicting grain yield. |
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| Keywords: | BP neural network self-adaptive Immune Genetic Algorithm grain prediction |
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