Self-adaptive dynamic adjustment method for critical value of outburst prevention early warning index

• Main Authors: QIN MUGUANG, CUI JUNFEI, PU YANG, LI JIE, MA GUOLONG, SONG ZHIQIANG, CHE YUHENG, ZHANG SHILING, DENG GANBO, ZHAO YIBING, CHENG XIAOYANG, DIAO YONG, ZHAO XUSHENG, ZHU MORAN, ZHANG QINGHUA, LIAO CHENG, TAN GUOWEN, LI MINGJIAN
• Format: Patent
• Language: Chinese; English
• Published: 31.01.2023
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; MINING; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS

The invention relates to a self-adaptive dynamic adjustment method for an outburst prevention early warning index critical value, and belongs to the field of gas early warning. According to the method, the early warning effect of the early warning index is enhanced by dynamically associating the early warning index with the outburst prevention prediction index, and the method specifically comprises the four steps that firstly, outburst prevention prediction index data and early warning index data of the coal mine working face are obtained; carrying out regression analysis on the data; calculating a critical value of an early warning index according to the critical value of the outburst prevention prediction index; and finally, along with the proceeding of the mining activity, repeating the second step and the third step on the accumulated outburst prevention prediction index data set and the early warning index data set, so that the early warning index critical value can be adaptively and dynamically adjusted