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| 改进的遗传BP交叉训练算法及其在河流冰情预报中的应用 | |
| 引用本文： | 王志兴,李成振,范宝山,陈刚.改进的遗传BP交叉训练算法及其在河流冰情预报中的应用[J].水力发电学报,2010,29(1). |
| 作者姓名： | 王志兴 李成振 范宝山 陈刚 |
| 作者单位： | 1. 西安理工大学水利水电学院,西安,710048;黑龙江省水利水电勘测设计院,哈尔滨,150080 2. 中水东北勘测设计研究有限责任公司,长春,130061 3. 西安理工大学水利水电学院,西安,710048 |
| 基金项目： | 国家公益性行业专项经费资助项目(200701006) |
| 摘 要： | 本文在对传统的遗传算法(GA)及BP网络进行一系列改进的基础上,将遗传算法与BP网络进行了有机的结合,提出了一种交叉训练算法.该算法的核心在于将BP网络训练过程划分为若干子步,使遗传进化机制和BP网络训练机制步进交叉进行,来保证网络训练的成功率和快速向全局最优区域逼近的目的.把该算法应用到松花江依兰、佳木斯江段封河、开河日期预报中,取得了良好的效果. |
| 关 键 词： | 防洪工程 冰情预报 遗传BP算法 交叉训练 封河日期 开河日期 |
A modified genetic and BP alternately training algorithm and its application to river ice forecasting |
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| WANG Zhixing , LI Chengzhen , FAN Baoshan , CHEN Gang.A modified genetic and BP alternately training algorithm and its application to river ice forecasting[J].Journal of Hydroelectric Engineering,2010,29(1). | |
| Authors: | WANG Zhixing LI Chengzhen FAN Baoshan CHEN Gang |
| Affiliation: | WANG Zhixing~(1,3),LI Chengzhen~2,FAN Baoshan~2,CHEN Gang~1(1.The Institute of Water Conservancy , Hydroelectricity of Xi\'an University of Technology,Xi-an,710048,2.China Water Northeastern Investigation,Design , Research Co.,Ltd.Changchun 130061,3.Heilongjiang Provincial Water Conservancy , Hydroelectric Power Investigation,Design , Research Institute,Harbin 150080) |
| Abstract: | This paper puts forward a novel alternately training algorithm that combines the genetic algorithm(GA) with the BP neural network and a series of improvements on the traditional algorithms.The key of this algorithm is to partition a BP training process into several steps,so that GA operation and BP training can be performed alternately step by step,aiming at a final success of the training and a fast convergence toward global optimization.Application of the algorithm to the Yilan and Jiamusi reaches of Song... |
| Keywords: | flood control works ice forecasting genetic and BP algorithms alternately training freeze-up date break-up date |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |