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grey predict
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On the basis of analyzing the character of the gas emitted from the mining face, the modified Grey predicting model GM(1,1) with amendments to the relationship among the gas amount, mining depth and coal output is respectively established. The amount of gas emitted from mining face could be predicted in case of different mining depth and coal output. The practical application demonstrates that the predicting model is reliable and its precision is enough to meet the practical usage.

在分析回采工作面瓦斯涌出特征的基础上 ,分别建立了回采工作面瓦斯涌出量与采深和工作面产量关系灰色预测 GM(1,1)改进模型 ,以预测工作面在不同采深与产量时的瓦斯涌出量。实际应用表明 ,预测模型可信 ,精度能满足要求。

Deformation and failure of slope is a complicated process. A definite function to predict deformation of slope is not available due to many influencing factors and undefined feature. Open pit mine is excavated in hills land. Surroundings safety is seriously influenced. Therefore, mine safe production is broken. Displacement and deformation for a large combined body of open pit slope and hill are predicted using of grey predicting model. Trend of development is analyzed. Thereafter it canserve...

Deformation and failure of slope is a complicated process. A definite function to predict deformation of slope is not available due to many influencing factors and undefined feature. Open pit mine is excavated in hills land. Surroundings safety is seriously influenced. Therefore, mine safe production is broken. Displacement and deformation for a large combined body of open pit slope and hill are predicted using of grey predicting model. Trend of development is analyzed. Thereafter it canserve production is served.

边坡变形与破坏是一个复杂的过程,其影响因素众多、且具有不确定性,一般很难用确定的函数式来预测。在丘陵地区进行露天开采,地面变形对周边环境安全影响非常大,从而严重地影响到安全生产。本文应用灰色预测模型对露天开挖边坡与山坡复合体巨型边坡的移动与变形发展趋势进行预测,并对发展趋势进行了分析,以便为后续开采设计与安全生产服务。

In order to predict the relative amount of mine gas emission,a model of grey system theory was built based on modelling grey system theory,analyzing association degree,and discriminating distinction.Used this model to analyze and predict the amount of mine gas emission and creating the grey emission amount of some coal mine,the grey predicting system of coal mine was built.It is shown that grey system theory can image the impersonality exit and develop posture of the...

In order to predict the relative amount of mine gas emission,a model of grey system theory was built based on modelling grey system theory,analyzing association degree,and discriminating distinction.Used this model to analyze and predict the amount of mine gas emission and creating the grey emission amount of some coal mine,the grey predicting system of coal mine was built.It is shown that grey system theory can image the impersonality exit and develop posture of the amount of mine gas emission,because it has the virtue in link precision of forecast result due to checkout dispatch and comparison precision test degree.

以预测矿井瓦斯相对涌出量为研究目的,通过灰色系统的建模、关联度分析及残差辨识为基础,建立了灰色系统理论模型,并将该模型应用到某矿瓦斯涌出量预测分析中,对该矿历年来相对瓦斯涌出量进行了灰色生成,建立了灰色预测系统;由后验差检验结果、对照精度检验等级可知,灰色系统预测矿井瓦斯涌出量的拟合精度好,预测结果正确可靠,反映出了矿井瓦斯涌出量的客观存在与发展态势.

 
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