2009, Volume 11, Issue 9
Strategic Study of CAE >> 2009, Volume 11, Issue 9
Study on area forecast of coal and gas outburst based on coupling of neural network and genetic algorithm
School of Energy ＆ Safety Engineering, Hunan University of Science ＆ Technology, Xiangtan, Hunan 411201, China
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Abstract
The coal and gas outburst is a dynamic pheaomenon in the underground exploitation of coal mine,and the strong dynamic effect can result in damage of belongs and death of workers of coal mine. Therefore,it is very important to advance coal industry healthy and continual in forecast the area of coal and gas outburst reasonablely.This paper aimed at the defect that neural network is easy to fall into some extremely local smallness and cause the unreasonable distribution of the weight value of the forecast indexes,ade the area forecast model of the coal and gas outburst was established based on coupling of the neural network and the genetic algorithm according to the natural conditions and the characteristics of the geologic structure. The coupling forecast model was validated with the practical example.The study results has proved the validity of the model, and laid the foundation of the area forecast of the coal and gas outburst based on coupling of the neural network and genetic algorithm.
Keywords
coal and gas outburst ; area forecast ; neural network ; genetic algorithm ; isoneph of outburst
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