用灵敏度优选矿井风量调节点及调节参数

针对定性确定矿井风量调节点的现状,采用灵敏度量化了风量调节点的选择标准。分析了灵敏度的概念,得出灵敏度越大调风效果越明显的结论,并给出灵敏度的两种求解公式。采用VC++编制了灵敏度计算程序,通过算例分析了灵敏度绝对值与风阻呈幂函数变化的规律。确定了以灵敏度衰减为正常风阻灵敏度10%时的风阻作为分支风阻调节值的上限,通过编制的幂函数回归分析程序,实现了调节点风阻上限的自动计算。

Using Sensitivity to Optimize Mine Air Regulation Point and Parameter

To counter the qualitative determination of the status of coal mine's air regulating point,sensibility was used to quantify the selecting standard of the air regulating point.In this paper,the concept of the sensibility was analyzed,it came to the conclusion that the higher the sensitivity,the better the effect of the air regulation,and two kinds of computing formulas were also presented.In addition,Vc++ was applied to draw up the calculation program of the sensitivity,and through some calculation cases,analysis was made on the variation law that the absolute value of the sensibility is the power function of the air resistance.The air resistance that the sensibility decayed to 10% of the sensibility in normal air resistance condition was determined as the upper limit of the branch air resistance regulation,and by drawing up the regression analysis program of the power function,the auto-computation of the upper limit of the air resistance at the regulation point was realized.