【摘要】 针对地震中建筑物结构主动控制的问题,引入模糊控制规则。该方法采用分层结构,其中包括一个高层的控制器和多个为了降低层间位移的底层子控制器。模糊控制规则能够恰当地调节预先控制在每一时刻所估计的结构状态。改进的地震控制性能通过模糊调节过程将一个简单设计的静态增益转换为实时动态增益。本文在控制器的设计部分充分考虑作动器饱和的状态,并以三层剪切型建筑物结构模型来举例说明。最后模糊规则的运用和Matlab仿真证明这种控制策略的正确性和有效性。更多还原

【Abstract】 According to the problem of active control of earthquake-excited buildings structures,this paper introduces the fuzzy supervisory technique.This method has the hierarchical structure,including a controller at the high level and several sub-controllers used to reduce the story-drift.A fuzzy supervisor appropriately tunes the predesigned control gains at every moment by estimating the state of structure through the fuzzy inference mechanism.The improved seismic control performance can be achieved by converting a simply designed static gain into a real-time variable dynamic gain through a fuzzy tuning process.In the section of sub-controller design of the paper,actuators saturation state is fully considered,and a three-story of shear building structure model is given as an example.Finally the fuzzy rules applied and Matlab simulations are performed to prove the effectiveness and validity of the proposed control strategy.更多还原