VMD-LSTM Gas Concentration Prediction Method Based on Secondary Compensation Strategy
Excessive gas concentration may lead to safety accidents such as suffocation and explosion,posing a serious threat to the safe production of coal mining enterprises.In order to better monitor gas con-centration and prevent gas accidents in time,a VMD-LSTM gas concentration prediction method based on secondary decomposition strategy is proposed.This method firstly determines the optimal combination of pen-alty factor and modal number using the PSO algorithm.Then,VMD is utilized to decompose the gas concen-tration data for the initial concentration prediction of LSTM.Finally,based on a secondary compensation strategy,the initial results are compensated to obtain higher prediction accuracy.Experiments show that this method effectively improves prediction accuracy of gas,and has good practical application value.