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水工模型实验中，潮流模拟系统往往控制复杂，且调试困难。本文给出一种用单板机控制步进电机驱动高低组合活动堰板造潮的水动力控制系统，经实验验证，本系统控制简单，调试方便，造价低廉。
Hydraulic model experiment, the trend simulation system is often complicated to control, and debugging difficulties. In this paper, a kind of hydrodynamic control system is proposed, which uses a single-board machine to control the stepping motor to drive the weir of high and low combinable activities to make damp. Experiments prove that this system has simple control, convenient debugging and low cost.