摘要
本文采用基于状态反馈的鲁棒控制方法解决地震作用下结构控制问题。首先将结构系统的运动方程转化为状态方程,利用鲁棒控制方法设计了系统的状态反馈控制律;通过引入控制力权重系数,合理地平衡了控制效果与控制力的关系;对于地震作用下的三层框架模型,仿真验证了该控制方法的有效性,并讨论了各种参数对控制效果的影响。
This paper presents the application of robust control theory to buildings under earthquake excitation. The matrix equation of motion of the structural system is converted to the state-space representation, robust control methods based on state feedback are used to obtain control laws. By using the weighting and scaling matrices, a proper trade-off between performance and control force is achieved. Simulation results for a three-story building are used to demonstrate the effectiveness of the control method presented. Further, the parameter effects on control results are also discussed.
出处
《世界地震工程》
CSCD
2002年第3期37-41,共5页
World Earthquake Engineering
基金
国家自然科学基金重点资助项目(50038010)
