中文

基于群智能算法优化LSTM的催化裂化预测研究

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  • Key Words:长短期记忆神经网络;粒子群算法;布谷鸟算法;催化裂化过程;预测

  • Abstract:针对长短期记忆神经网络(LSTM)预测模型中许多网络参数过分依赖于经验设置,人工参数设置导致模型的精度低、泛化能力弱等问题,采用搜索范围广、收敛速度快的粒子群算法(PSO)和布谷鸟算法(CS)对LSTM的一些超参数进行优化,构建PSO-LSTM模型和CS-LSTM模型,寻找到LSTM的最优参数集,从而更好地提高了模型预测精度。将优化后的模型应用于催化裂化吸收稳定系统主要控制变量解吸塔再沸器返塔温度预测中,验证了模型的有效性。

  • Volume:v.52;No.460

  • Issue:18

  • Translation or Not:no


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