Improved yellowness index (YI) control in ABS compounding process through virtual control using an RNN-based neural network soft-sensor model

Shih-Jie Pan, Kun-Chuan Lee,Meng-Lin Tsai,Cheng-Liang Chen, Heng-Shan Kao,Jeffrey D. Ward,I-Lung Chien,Hao-Yeh Lee

Computers & Chemical Engineering（2023）

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摘要

•Soft-sensor virtual controller improved Yellowness Index (YI) control in a real-world industrial ABS (Acrylonitrile-Butadiene-Styrene) resin compounding process.•Soft-sensor virtual controller built using the eXtreme Gradient Boosting (XGBoost) and the Gated Recurrent Unit (GRU) models.•Soft-sensor virtual controller improved stability and grade changeovers.•Physical correctness of soft sensor checked through MAPE (Mean Absolute Percentage Error) and step tests.

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关键词

Acrylonitrile-butadiene-styrene resin,Yellowness index control,Neural network soft sensor,eXtreme Gradient Boosting,Gated Recurrent Unit

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