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基于RVM与ARMA误差校正的短期风速预测

, PP. 187-193

Keywords: 风速预测,误差校正,RVM模型,AMRA模型

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Abstract:

为提高风速预测的准确性,提出了基于相关向量机(RVM)与自回归滑动平均(ARMA)误差校正的风电场短期风速预测算法。该算法首先在RVM的基础上,建立了影响因素与未来24小时风速的非线性模型,并采用遗传算法(GA)进行优化,从而保证了模型参数最优。然后,针对已建立的RVM预测模型的误差序列,采用ARMA模型对其进行拟合,最后用ARMA模型的误差预测值校正已有的风速预测值。本文对江苏某风电场的风速进行预测,算例结果表明该方法是合理有效的。

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