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基于都江堰灌区柏条河三孔平板闸门运行情况,运用水力学公式及经验公式,得到了闸门流量与开度的数学模型,进而采用Matlab的Simulink平台建立了单孔闸门流量—开度仿真模型,在此基础上利用Simulink内置模块及根据实际情况编写的M函数,建立了基于闸门启闭规则的三孔闸门流量—开度仿真模型,该模型可根据所需流量计算出各闸门对应开度,经验证模型仿真结果与理论值相符合。
Based on the operation of the three-hole flat gate of Baihe River in Dujiangyan Irrigation District, the mathematical model of gate flow and opening degree is obtained by using the hydraulic formula and empirical formula. Then the flow-opening simulation model of single-hole gate is established by Simulink platform of Matlab, On the basis of this, using the built-in module of Simulink and the M function according to the actual situation, a three-hole gate flow-opening simulation model based on the gate opening and closing rules was established. According to the required flow rate, The simulation results of the validated model are consistent with the theoretical values.