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分析了某煤矿分支风量的变化与相关分支风量的相互关系,通过对灵敏度矩阵进行一定的改进,建立了通风网络故障巷道范围库;提出了利用最少全覆盖法研究风速传感器的布置以及最优数量;结合该煤矿的风速传感器布置通过计算机模拟程序的方式对传感器进行验证试验,验证表明故障源头的诊断方法和诊断技术是可行的。
The relationship between the change of branch air volume and the branch air volume was analyzed. Through the improvement of the sensitivity matrix, the range network of fault network in ventilation network was set up. The least square cover method was used to study the layout of wind speed sensor and the optimal number According to the arrangement of the wind speed sensor of the coal mine, the verification test of the sensor is carried out by means of a computer simulation program. The verification shows that the diagnosis method and the diagnosis technology of the fault source are feasible.