Application of Hybrid Integrated Model Based on Mechanism Model Residuals in Fiber Production Melt Conveying

摘要

The polyester fiber production process includes three sub-processes of polymerization, melt conveying and spinning. Aiming at the prediction of melt performance indicators in the process of melt conveying, this work introduces a hybrid integration model by integrating mechanism model and data-driven model. In the melt conveying process of fiber production, the data from the heat exchanger to the entire section of the spinneret were selected for comparative experiments. Comparing the hybrid integration model proposed in this paper with Gated Recurrent Unit (GRU), Support Vector Regression (SVR) and mechanism model which is called the first principle model, both MSE and MAPE evaluation indexes can reflect the superiority of hybrid integration model in prediction accuracy.