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Air compressor load forecasting using artificial neural network
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AI
DOI：10.1016/j.eswa.2020.114209.png)
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摘要
En 中文
Air compressor systems are responsible for approximately 10% of the electricity consumed in United States and European Union industry. As many researches have proven the effectiveness of using Artificial Neural Network in air compressor performance prediction, there is still a need to forecast the air compressor electrical load profile. The objective of this study is to predict compressed air systems' electrical load profile, which is valuable to industry practitioners as well as software providers in developing better practice and tools for load management and look-ahead scheduling programs. Two artificial neural networks, Two-Layer Feed-Forward Neural Network and Long Short-Term Memory were used to predict an air compressors electrical load. Compressors with three different control mechanisms are evaluated with a total number of 11,874 observations. The forecasts were validated using out-of-sample datasets with 5-fold cross-validation. Models produced average coefficient of determination values from 0.24 to 0.94, average root-mean-square errors from 0.05 kW - 5.83 kW, and mean absolute scaled errors from 0.20 to 1.33. The results indicate that both artificial neural networks yield good results for compressors using variable speed drive (average R-2 = 0.8 and no naive forecasting), only the long short-term memory model gives acceptable results for compressors using on/off control (average R-2 = 0.82 and no naive forecasting), and no satisfactory results are obtained for load/unload type air compressors (models constituting naive forecasting).
Keyword:
Load forecasting
Air compressor
Artificial neural network
FFNN
LSTM
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期刊
IF:
7.5
论文数:
2.9W
被引数:
10.2W
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