模糊-PID控制在绞吸船水下泥泵自动调速中的应用

绞吸挖泥船装驳施工中，操作人员频繁调节水下泥泵电机转速以稳定管路内泥浆流速。针对这一问题，采用模糊-PID技术设计水下泥泵电机自动调速控制系统。该控制方法以流速作为自变量，以泥泵转速作为因变量，并将吸入真空、泥泵机功率及泥浆浓度作为安保条件，可以保证在装驳施工过程中泥浆流速持续维持在设定区间内。实际应用表明，模糊-PID控制在水下泥泵调速过程中具有反应快速、控制精准、鲁棒性好等特点，具有较好的推广价值。

Application of fuzzy-PID control in automatic speed regulation of cutter suction dredger underwater mud pump

During the construction of cutter suction dredgers loading barge,operators frequently adjust the speed of underwater mud pump motor to stabilize the mud flow rate in pipeline.To solve this problem,the automatic speed control system of underwater mud pump motor is designed by using fuzzy -PID technology.The control method takes velocity as the independent variable,mud pump speed as the dependent variable,and suction vacuum,mud pump power and mud density as the security conditions,so as to ensure that mud velocity can be kept within the set range during barge process.Practical application shows that the fuzzy-PID control has the characteristics of fast response,accurate control and good robustness in the process of underwater mud pump speed regulation,which has good promotion value.