A hydraulic variable speed drive system of shield disk cutter has been designed.
设计了盾构刀盘变转速液压驱动系统。
With the nonlinear and time variable characteristics of hydraulic turbine regulation system, high qualified speed adjustment system cannot be achieved with the conventional PID controller.
水轮机调节系统具有非线性和时变性的特性，传统的PID控制器无法获得高性能的调速系统。
Variable speed hydraulic drive system is a new type energy saving system.
变转速液压驱动系统是一种新型的节能传动系统。
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