Prediction model of gas quantity emitted from coal face based on PCA-GA-BP neural network and its application

• Autorzy: Qiu J. W. , Liu Z. G. , Zhou L. , Qin R. X.
• Języki publikacji: EN

Abstrakty

EN

Gas has always been a serious hidden danger in coal mining. The quantity of gas emitted from the coal face is affected by many factors. To overcome the difficulty in accurately predicting the quantity of emission, a novel predictive model (PCA-GABP) based on principal component analysis (PCA), genetic algorithm (GA) and back propagation (BP) neural network was proposed. The model was tested and applied in different coal seams at Panbei Coal Mine in Huainan, China, involving sixteen training samples and four predicting samples. Results showed that: Gas emission quantity was significantly correlated with burial depth, gas content in the mining layer, gas content in the adjacent layer, and layer spacing. The correlations among these variables exceeded 60%. Linear regression analysis using the optimized model was affected by sample size and discreteness. The correlation coefficient (R) and maximum relative error (MRE) of the PCA-GA-BP model were 0.9988 and 3.02%, respectively. The MRE of the optimized model was 70.2% and 53.2% smaller than that of the BP and GA-BP models, respectively. The conclusions obtained in the study provide technical support for the prediction of gas quantity emitted from coal face, and the proposed method can be used in other engineering fields.

Słowa kluczowe

EN

principal component analysis; genetic algorithm; BP neural network; gas emission; prediction

PL

analiza głównych składowych; algorytm genetyczny; sieć neuronowa BP; emisja gazu; prognoza

• Wydawca: Institute of Heat Engineering, Warsaw University of Technology
• Czasopismo: Journal of Power Technologies
• Rocznik: 2017
• Tom: Vol. 97, nr 3
• Strony: 169--178
• Opis fizyczny: Bibliogr. 24 poz., rys., tab., wykr.

Twórcy

autor

Qiu J. W.

• School of Mining and Safety Engineering, Anhui University of Science and Technology, Huainan Anhui 232001, China
• Key Laboratory of Safety and High-efficiency Coal Mining, Ministry of Education, Anhui University of Science and Technology, Huainan, 232001, China

autor

Liu Z. G.

• School of Mining and Safety Engineering, Anhui University of Science and Technology, Huainan Anhui 232001, China
• Key Laboratory of Safety and High-efficiency Coal Mining, Ministry of Education, Anhui University of Science and Technology, Huainan, 232001, China

autor

Zhou L.

• School of Mining and Safety Engineering, Anhui University of Science and Technology, Huainan Anhui 232001, China
• Key Laboratory of Safety and High-efficiency Coal Mining, Ministry of Education, Anhui University of Science and Technology, Huainan, 232001, China

autor

Qin R. X.

• School of Mining and Safety Engineering, Anhui University of Science and Technology, Huainan Anhui 232001, China
• Faculty of Mining and Geoengineering, AGH University of Science and Technology, Krakow 30-059, Poland

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).