A method to use the grey prediction model and geometric regression model to predict the daily load curve of power systems during the great holiday is proposed. A relevant software is presented.
本文提出了运用灰色预测模型和几何回归模型预测重大节日期间电网日负荷曲线的方法,并编制了相应软件。
The result indicates that the effect of the prediction by using this method is superior to other single model and its prediction curve coincide with the actual measured curve.
结果表明,变权重组合预测模型的预测效果比单一的模型预测效果要好,其预测曲线与实测数据曲线吻合良好。
Water displacement curve is the most common method for water cut rule study, productive index prediction and recoverable reserve calibration. There are more than 50 methods of such a kind nowadays.
驱替特征曲线法是研究油田含水规律、预测开采指标和标定可采储量最常用的方法,目前已形成50多种。
Poisson curve is a accurate method of settlement prediction, but it is used in condition of equal interval data, which is hard to carry out in actual engineering.
泊松曲线是一种精度较高的沉降预测方法,但是它只能在等时空距数据条件下才能使用,在工程实际中观测的数据很难满足这一要求。
Results show that all the methods are effective in prediction, and, of them, the method of accumulated distribution curve resulted the highest precision of 82.7%.
结果表明,各种方法适应性都很强,其中以累积分布曲线法的精度最高,其精度是82.7%。
The proposed method can give more reasonable and more promising prediction results as compared with polynomial curve fitting technique.
此外,与多项式曲线拟合法的对比分析表明,该方法优于传统的多项式曲线拟合法,具有更好的预测效果。
Especially it USES the growth curve method to forecast induced traffic volume, it found that the method can improve the prediction precision obviously through the examples 'analysis.
特别是运用生长曲线法尝试预测诱增交通量,并通过实例验证,预测诱增交通量在一定程度上有效地提高了预测的精准度。
Especially it USES the growth curve method to forecast induced traffic volume, it found that the method can improve the prediction precision obviously through the examples 'analysis.
特别是运用生长曲线法尝试预测诱增交通量,并通过实例验证,预测诱增交通量在一定程度上有效地提高了预测的精准度。
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