JOURNAL OF LIGHT INDUSTRY

CN 41-1437/TS  ISSN 2096-1553

Volume 37 Issue 6
December 2022
Article Contents
ZHANG Lei, LI Jinxue, DU Jinsong, et al. Dynamic prediction of cylinder wall temperature for drum dryer based on DGRU network[J]. Journal of Light Industry, 2022, 37(6): 85-91,100. doi: 10.12187/2022.06.011
Citation: ZHANG Lei, LI Jinxue, DU Jinsong, et al. Dynamic prediction of cylinder wall temperature for drum dryer based on DGRU network[J]. Journal of Light Industry, 2022, 37(6): 85-91,100. doi: 10.12187/2022.06.011 shu

Dynamic prediction of cylinder wall temperature for drum dryer based on DGRU network

  • Received Date: 2022-04-11
  • Aiming at the problem of on-line detection of cylinder wall temperature in the drying process of tobacco dryer, this paper proposed a novel method named deep gated recurrent unit(DGRU)network to predict cylinder wall temperature. In order to improve sample quality, data preprocessing technologies including wavelet denoising and normalization were utilized. Then, mutual information was used to determine the optimal features as model input, which had the largest correlation with the cylinder wall temperature. Next, stacked gate recurrent unit network was introduced to extract the deep hidden nonlinear dynamic representation from thermal data, and then sent into a fully connect network to estimate the cylinder wall temperature. Finally, based on the industrial data of dryer drying process in a tobacco factory, the experiment results showed that the median and mean value of prediction error by DGRU algorithm was very close to the zero scale line,and caused few abnormal points. The method exhibited higher prediction accuracy, and could accurately predict the cylinder wall temperature.
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