An active variable stiffness multi-modal control algorithm is proposed based on kinetic performance control indicators. The control effect in tall buildings seismic design is studied based on numerical simulation analysis. It is found that the multi-modal control algorithm is effec-tive and shorter online calculating time,solves on-line control in active stiffness control.%提出了一种基于动能为性能控制指标的 AVS 系统的控制算法———多模态法，通过数值仿真分析研究了该方法应用于高层建筑抗震设计的控制效果，结果表明：多模态法具有计算精度高和计算速度快的优点，解决了主动变刚度控制中的在线控制问题。
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