智能结构中致动器数目与位置的优化

Optimization of the number and locations of the actuators in smart structures

采用最优控制理论研究智能结构振动控制机电一体化的建模过程;通过定义输入能量相关矩阵优化了致动器的数目;基于致动器的控制效能,给出了一种简单实用的致动器位置配置方法;最后针对智能悬臂梁和大型空间智能桁架结构的振动控制仿真,表明数目与位置的优化方法是行之有效的。

Adopting the optimal theory,the model of smart structures and optimization of the number of actuators via the input energy correlative matrix have been researched in this article.Based on the control effectiveness of the actuators,the article has also given a practical optimal method of actuators locations.Finally,the article aims at a smart cantilever beam and large space smart truss.And,the corresponding digital simulation has been done.The numerical results verify that the control method is efficient.