将经典时间序列模型与最先进的时间序列神经网络进行比较,以预测烧焦液体的特性
Jerry Ng1, Yuri Lawryshyn1, Nikolai DeMartini2
1Department of Chemical Engineering and Applied Chemistry, University of Toronto Faculty of Applied Science & Engineering, Toronto, Ontario, Canada.
概括
经典的时间序列模型准确地预测了燃烧时的黑色液体属性,其性能与先进的神经网络相比. 这表明,由于数据自相对应,更简单的模型足以优化强电回收炉.
科学领域:
- 化学工程是化学工程的重要组成部分.
- 过程控制 过程控制
- 数据科学数据科学数据科学
背景情况:
- 卡夫特回收炉的性能取决于燃烧后的黑色酒精性质.
- 预测这些属性可以优化炉运行.
- 目前的预测方法需要对先进技术进行评估.
研究的目的:
- 将经典的时间序列模型与最先进的神经网络进行比较,以预测黑色酒精的特性.
- 评估不同模型对于化学过程参数预测的适用性.
- 分析与数据特征相关的模型复杂性和性能.
主要方法:
- 应用经典时间序列模型 (例如,ARIMA).
- 利用了两个最先进的时间序列神经网络.
- 预测关键的烧焦黑色液体属性:加热值,粘度和沸点上升.
- 使用自回归框架分析模型性能和复杂性.
主要成果:
- 经典的时间序列模型准确地预测了烧火时的黑色酒精性质.
- 经典模型的性能与先进的神经网络的性能相当.
- 自动回归神经网络可以被视为未知干扰的函数,类似于经典模型.
- 工厂数据中的高自相关性可能会限制神经网络的优势.
结论:
- 经典的时间序列模型对于预测强电回收炉中燃烧的黑色液体性能是有效的.
- 在这种特定的工业环境中,先进的神经网络可能不会始终优于简单模型.
- 数据特征,如高自相关性,影响预测模型的选择和有效性.
- 模型选择应考虑过程特征和数据属性,而不仅仅是模型的复杂性或新性.
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