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基于LSTM-ARIMA的定子绕组温度异常预测(图)
定子线棒 出水温差 LSTM ARIMA
2023/4/20
对定子线棒出水温度最大温差(出水温差)进行预测,对于保障汽轮发电机的安全运行具有重要意义。但由于发电机运行过程工况多变,温差时间序列变化模式复杂,趋势预测相对困难。本文使用长短时记忆神经网络(LSTM)对复杂的变化模式进行学习,并进一步融合了差分整合移动平均自回归模型(ARIMA),用以弥补工况多变导致的训练不足的问题,从而对LSTM预测结果进行修正。然后,在型号为QFSN-660-2-22的汽轮...
Statistical analysis of the blast furnace process output parameter using arima control chart with proposed methodology of control limits setting
ARIMA control chart blast furnace process environmental aspects
2009/10/23
The paper deals with the statistical analysis of the selected parameter of the blast furnace process. It was proved that analyzed measurements have been autocorrelated. ARIMA control chart was selecte...