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Prediction of Gas Concentration Based on LSTM-LightGBM Variable Weight Combination Model

Author

Listed:
  • Xiangqian Wang

    (School of Computer Science and Technology, Anhui University of Science & Technology, Huainan 232000, China)

  • Ningke Xu

    (School of Computer Science and Technology, Anhui University of Science & Technology, Huainan 232000, China)

  • Xiangrui Meng

    (School of Computer Science and Technology, Anhui University of Science & Technology, Huainan 232000, China)

  • Haoqian Chang

    (School of Computer Science and Technology, Anhui University of Science & Technology, Huainan 232000, China)

Abstract

Gas accidents threaten the safety of underground coal mining, which are always accompanied by abnormal gas concentration trend. The purpose of this paper is to improve the prediction accuracy of gas concentration so as to prevent gas accidents and improve the level of coal mine safety management. Combining the LSTM model with the LightGBM model, the LSTM-LightGBM model is proposed with variable weight combination method based on residual assignment, which considers not only the time subsequence feature of data, but also the nonlinear characteristics of data. During the data preprocessing, the optimal parameters of gas concentration prediction are determined through the analysis of the Pearson correlation coefficients of different sensor data. The experimental results demonstrate that the mean absolute errors of LSTM-LighGBM, LSTM and LightGBM are 1.94%, 2.19% and 2.77%, respectively. The accuracy of LSTM-LightGBM variable weight combination model is better than that of the two above models, respectively. In this way, this study provides a novel idea and method for gas accident prevention based on gas concentration prediction.

Suggested Citation

  • Xiangqian Wang & Ningke Xu & Xiangrui Meng & Haoqian Chang, 2022. "Prediction of Gas Concentration Based on LSTM-LightGBM Variable Weight Combination Model," Energies, MDPI, vol. 15(3), pages 1-17, January.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:3:p:827-:d:731930
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    References listed on IDEAS

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    1. Shuang Song & Shugang Li & Tianjun Zhang & Li Ma & Shaobo Pan & Lu Gao, 2021. "Research on a Multi-Parameter Fusion Prediction Model of Pressure Relief Gas Concentration Based on RNN," Energies, MDPI, vol. 14(5), pages 1-18, March.
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    Cited by:

    1. Zian Lin & Yuanfa Ji & Xiyan Sun, 2023. "Advance Landslide Prediction and Warning Model Based on Stacking Fusion Algorithm," Mathematics, MDPI, vol. 11(13), pages 1-20, June.
    2. Yuxin Huang & Jingdao Fan & Zhenguo Yan & Shugang Li & Yanping Wang, 2022. "A Gas Concentration Prediction Method Driven by a Spark Streaming Framework," Energies, MDPI, vol. 15(15), pages 1-13, July.

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