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基于投影寻踪的汛期分期探讨
Discussion on Flood Season Staging Based on Projection Pursuit
【摘要】 汛期分期研究是实现电站、水库动态汛限水位调度控制的基础。本文从汛期分期的实质——时序系列高维数据聚类分析出发,以投影寻踪理论为基础,构造了水库汛期分期投影寻踪模型,然后采用遗传算法实现了模型参数的优选,并将该方法应用于滦河流域潘家口水库汛期分期中,并与其它计算方法相比较,得出了合理结论。采用投影寻踪方法来进行汛期分期具有过程简单、结果直观的优点,不失为一种好方法。
【Abstract】 The research on flood season staging is the foundation of scheduling control on dynamic flood limit water level of power stations and reservoirs.The essence of flood season staging was analyzed on the basis of projection pursuit theory.A projection pursuit model for reservoir flood season staging was set up by analyzing high dimensional data clustering of time series,based on projection pursuit.Then,genetic algorithm to realize optimization of model parameter was adopted.The method of genetic algorithm,compared with other calculating method,was also used in the flood season staging of Panjiakou Reservoir in the Luanhe River Basin,and reasonable conclusion was taken.
【Key words】 flood season staging; projection pursuit; genetic algorithm; dynamic flood limit water level;
- 【文献出处】 水文 ,Journal of China Hydrology , 编辑部邮箱 ,2009年03期
- 【分类号】TV697.13
- 【被引频次】27
- 【下载频次】204