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Chemcial Industry and Engineering 2024, Vol. 41 Issue (3) :142-153    DOI: 10.13353/j.issn.1004.9533.20230129
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Quality prediction of batch process based on domain adaptation under few shot
FAN Zhenjie, LUO Na
Key Laboratory of Smart Manufacturing in Energy Chemical Process, Ministry of Education, East China University of Science and Technology, Shanghai 200237, China

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Abstract In batch process modeling, only few samples are collected which is not enough to develop high accurate model. To solve this problem, a model based on domain adaptation under small sample was proposed. Spatial attention mechanism was introduced to the model first in order to enhance input variables with high correlation to quality index. After that, one-dimension convolutional layer and long and short term memory units was also borrowed to mine spatial and temporal characteristics of data, respectively. Secondly, the domain adaptation method was introduced into the modeling process to perform adaptive matching of features between the target domain data and the source domain data to reduce the impact of the difference in distribution of the two data sets on the prediction accuracy of the model. The method was validated on the slowly time-varying penicillin production process simulation data set and the phenolic resin industrial production process. Experimental results showed that the proposed model can effectively improve the accuracy of batch process quality prediction under few shot.
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FAN Zhenjie
LUO Na
Keywordsbatch process   few shot   domain adaptation     
Received 2023-03-07;
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FAN Zhenjie, LUO Na.Quality prediction of batch process based on domain adaptation under few shot[J]  Chemcial Industry and Engineering, 2024,V41(3): 142-153
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