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基于优化GM(1,1)模型灰色预测振动控制的时滞影响研究

Study on the Time Delay in the Gray Forcasting Vibration Control Based on the Optimization GM(1,1) Model
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摘要 采用优化GM(1,1)模型对结构实施灰色预测即时控制,推导结构状态向量的灰色预测方程,结合线性二次型最优控制理论(LQR),设计了结构的即时预测控制方案,并研究了不同地震波采样周期下其振动控制性能及时滞影响.分析结果表明,采用优化GM(1,1)模型进行预测控制有效减小了因采样周期不同造成的原始数据干扰误差,并且更有效地减小了结构振动控制的时滞影响. The design procedures and application of the active optimal control to a building structure are proposed and studied based on the optimization GM(1,1) model and the modem control theories,Equations governing forecasted state vector of a building structure are derived and features of vibration control and influence of time delay based on different sampling period of seismic wave are analyzed.The study results show that the gray forecasting-optimal control based on the optimization GM(1,1) model is efficient to reduce the disturbance errors as different sampling period and influences of time-delay.
出处 《湖南城市学院学报(自然科学版)》 CAS 2013年第1期6-10,共5页 Journal of Hunan City University:Natural Science
关键词 主动控制 灰色预测 优化GM(1 1)模型 时滞 active control gray forecasting optimization GM(1,1 ) model time-delay
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