Research on time series prediction model for multi-factor environmental parameters in facilities based on LSTM-AT-DP model
文献类型： 外文期刊
作者： Liang, Longwei 1 ; Shi, Hui 2 ; Wang, Zhaoyuan 1 ; Wang, Shengjie 4 ; Li, Changhong 1 ; Diao, Ming 1 ;
作者机构： 1.Shihezi Univ, Coll Agr, Shihezi, Peoples R China
2.Beijing Acad Agr & Forestry Sci, Res Ctr Informat Technol, Beijing, Peoples R China
3.Univ Almeria, Int PhD Sch, Almeria, Spain
4.Shihezi Univ, Coll Mech & Elect Engn, Shihezi, Peoples R China
关键词： LSTM; attention mechanism; wavelet threshold denoising; multi-factor time series forecasting; environmental prediction
期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：4.8； 五年影响因子：5.7 ）
ISSN： 1664-462X
年卷期： 2025 年 16 卷
页码：
收录情况： SCI
摘要： Introduction Existing facility environment prediction models often suffer from low accuracy, poor timeliness, and error accumulation in long-term predictions under multifactor nonlinear coupling conditions. These limitations significantly constrain the effectiveness of precise environmental regulation in agricultural facilities.Methods To address these challenges, this paper proposes a novel facility environment prediction model (LSTM-AT-DP) integrating Long Short-Term Memory networks with attention mechanisms and advanced data preprocessing. The model architecture employs: (1) a Data Preprocessing (DP) module combining Wavelet Threshold Denoising (WTD) for noise elimination and Sliding Window (SW) technique for feature matrix construction; (2) an LSTM core for deep temporal modeling; and (3) an Attention Mechanism (AT) for dynamic feature weighting to enhance critical temporal feature extraction.Results In 24-hour prediction tests, the model achieved determination coefficients (R-2) of 0.9602 (temperature), 0.9529 (humidity), and 0.9839 (radiation), representing improvements of 3.89%, 5.53%, and 2.84% respectively over baseline LSTM models. Corresponding RMSE reductions were 0.6830, 1.8759, and 12.952 for these parameters.Discussion The results demonstrate that the LSTM-AT-DP model significantly enhances prediction accuracy while effectively suppressing error accumulation in long-term forecasts. This advancement provides robust technical support for precise facility environment regulation, with particular improvements observed in humidity prediction. The integrated attention mechanism proves particularly effective in identifying and weighting critical temporal features across all measured environmental parameters.
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