Fisher判别法在综放回采巷道支护形式选择中的应用

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将Fisher判别分析法应用于综放回采巷道支护形式选择中,建立了综放回采巷道支护形式选择的Fisher判别分析模型.选取围岩强度、煤层强度、巷道埋深、围岩节理裂隙发育程度、采动影响系数、顶煤厚度、护巷煤柱宽度和断面面积8项指标作为Fisher判别分析模型的判别因子,以15组综采巷道围岩及支护实测数据作为学习样本进行训练。建立相应的判别函数对待判样本进行分类。研究结果表明,Fisher判别分析模型分类性能良好,预测精度高。回判估计的误判率很低。是一种综放回采巷道支护形式选择的有效方法。
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