A Study on Short-Term Air Consumption Prediction Model for Air-Jet Looms Combining Sliding Time Window and Incremental Learning

Bo Yu, Liaoliao Fang, Zihao Wu, Chunya Shen () and Xudong Hu
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Bo Yu: School of Mechanical Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
Liaoliao Fang: School of Mechanical Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
Zihao Wu: School of Mechanical Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
Chunya Shen: Zhejiang Kangli Automation Technology Co., Ltd., Shaoxing 312500, China
Xudong Hu: School of Mechanical Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China

Energies, 2024, vol. 17, issue 16, 1-19

Abstract: The energy consumption of air-jet looms mainly comes from air compressors. Predicting the air consumption of air-jet looms for the upcoming period is significant for the variable frequency adjustment of air compressors, thereby aiding in energy saving and reducing fabric costs. This paper proposes an innovative method that combines Sliding Time Windows (STW), feature analysis, and incremental learning to improve the accuracy of short-term air consumption prediction. First, the STW method is employed during the data collection phase to enhance data reliability. Through feature analysis, significant factors affecting the air consumption of air-jet looms, beyond traditional research, are explored and incorporated into the prediction model. The experimental results indicate that the introduction of new features improved the model’s R 2 from 0.905 to 0.950 and reduced the MSE from 32.369 to 16.239. The STW method applied to the same random forest model increased the R 2 from 0.906 to 0.950 and decreased the MSE from 32.244 to 16.239. The decision tree method, compared to the linear regression model, improved the R 2 from 0.928 to 0.950 and reduced the MSE from 23.541 to 16.239, demonstrating significant predictive performance enhancement. After establishing the optimal model, incremental learning is used to continuously improve the reliability and accuracy of short-term predictions. Experiments show that the incremental learning method, compared to static models, offers better resilience and reliability when new data are collected. The proposed method significantly improves the accuracy of air consumption prediction for air-jet looms, providing strong support for the variable frequency adjustment of air compressors, and contributes to the goals of energy saving and cost reduction. The research results indicate that this method not only enhances prediction accuracy but also provides new insights and methods for future energy-saving research.

Keywords: air-jet looms; short-term air consumption; STW; prediction model; incremental learning; random forest; linear regression (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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