张拉整体结构振动最优控制的作动器优化配置  

Actuator placement optimization of optimum vibration control for tensegrity structures

作　　者：江洁[1,2] 李团结[2] 

机构地区：[1]红河学院工学院,云南蒙自661100 [2]西安电子科技大学机电工程学院,陕西西安710071

出　　处：《西安电子科技大学学报》2014年第1期170-175,共6页Journal of Xidian University

基　　金：国家自然科学基金资助项目(51375360)

摘　　要：将模拟退火算法应用于张拉整体结构作动器的优化配置中,分析了作动器位置对于结构振动控制的影响.利用有限元软件建立了4层张拉整体结构的有限元模型,通过对张拉整体结构的动力学方程进行模态变换和模态截断,推导出了结构控制的状态空间方程.在结构振动最优控制的基础上,选取与结构作动器位置相关的系统的能量为优化指标,采用模拟退火算法对张拉整体结构的作动器位置进行优化配置.仿真结果表明,将作动器布置于优化解的位置时,振动控制性能得到了明显提高,证明了该方法的有效性,The simulated annealing algorithm is optimization for a tensegrity structure, and the effect structure is analyzed. To this end, the ANSYS model space control equation of the structure through mode employed to implement the actuators placement of actuator positioning on the vibration control of the of a 4-floor tensegrity structure is built, and the state transform and mode truncation is deduced. Based on optimal vibration control for the tensegrity structure, the energy of the system with respect to actuator locations is chosen as the optimal criterion. Simulation results indicate that the optimization method is effective, and that the performance of vibration control of the tensegrity structure is improved dramatically when actuators are placed in the optimal position.

关 键 词：张拉整体结构 振动控制 作动器 最优控制 模拟退火算法 优化配置 

分 类 号：TH113.1[机械工程—机械设计及理论] TP273.1[自动化与计算机技术—检测技术与自动化装置]