This paper is concerned with semi-active control of vertical vibration for continuous beam by variable dampers and puts forward the semi-active control law based on the sliding mode theory.

利用可变阻尼器对连续梁桥的竖向振动进行半主动控制，提出基于滑动模式理论的控制算法，并以实例加以说明。

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The inner loop adopts the current feed-forward decoupled mode to control the active power and reactive power independently.

同时，内环采用电流前馈解耦方式，分别独立控制有功功率、无功功率。

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