【摘要】 对一装有理想半主动阻尼器的智能隔震结构进行了分析,比较了经典最优、瞬时最优和序列最优3种最优控制算法,分别从基于状态反馈和输出反馈的目标函数及稳定性的角度进行了探讨.数值算例结果表明,提出的序列最优控制算法的控制效果优于经典最优控制算法和瞬时最优控制算法,且稳定性良好;在同一控制能量下,基于输出反馈的控制效果优于状态反馈,说明了智能隔震结构采用输出反馈的合理性.更多还原

【Abstract】 Analysis of a smart isolated structure implemented with ideal semi-active controller is presented.Three different control algorithms,i.e.,classical optimal control,instantaneous optimal control and sequential optimal control,are compared.The objective function and stability issue of the algorithms are discussed for state and output feedback.The result indicates the effect of sequential optimal control is better than the others,and the system is stable.With equal control energy,the effect of output feedback exceeds state feedback,which shows the rationality of using output feedback in smart isolated structure.更多还原