Static shape control of piezoelectric smart reflector and optimization of actuators' placement

	Static shape control of piezoelectric smart reflector and optimization of actuators' placement
	Cao, Y.; Z. Wang; C. Zhou; L. Fan and Q. Wu
	2015
发表期刊	Hangkong Xuebao/Acta Aeronautica et Astronautica Sinica
卷号	36 期号:2 页码:527-537
摘要	In order to improve the precision of reflector, the static shape control model of smart reflector is presented, and the methods of structural mechanics modeling and shape control and the optimization algorithms of actuators' placement are investigated. Firstly, the smart reflector with the honeycomb core is modeled with the equivalent laminate plate theory, and the finite element formulation of flexible piezoelectric smart reflector is derived according to virtual work theory. Then, the relationship between mean square root error of reflector's deformation and control voltages of actuators is derived, and the optimization model for static shape control is created with the objective of minimizing mean square root error of shape, and the optimization of control voltage can be transformed to a constrained optimization problem. The actuator's placement is implemented using simulated annealing algorithm. Finally, a numerical example of plane piezoelectric smart reflector with a diameter of 300 mm is given to demonstrate the feasibility of shape control model and the effectiveness of optimization algorithm. Simulation results indicate that the square root error of smart reflector's deformation under gravity can be reduced by above 97% by controlling the piezoelectric actuators, and the actuators can be placed in the optimal position for a given number actuators using simulated annealing algorithm. , 2015, AAAS Press of Chinese Society of Aeronautics and Astronautics. All right reserved.
文章类型	期刊论文
收录类别	EI
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/56247
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Cao, Y.,Z. Wang,C. Zhou,et al. Static shape control of piezoelectric smart reflector and optimization of actuators' placement[J]. Hangkong Xuebao/Acta Aeronautica et Astronautica Sinica,2015,36(2):527-537.
APA	Cao, Y.,Z. Wang,C. Zhou,&L. Fan and Q. Wu.(2015).Static shape control of piezoelectric smart reflector and optimization of actuators' placement.Hangkong Xuebao/Acta Aeronautica et Astronautica Sinica,36(2),527-537.
MLA	Cao, Y.,et al."Static shape control of piezoelectric smart reflector and optimization of actuators' placement".Hangkong Xuebao/Acta Aeronautica et Astronautica Sinica 36.2(2015):527-537.

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压电智能反射面静态形状控制与作动器位置优（546KB）	期刊论文	作者接受稿	开放获取	CC BY-NC-SA	浏览下载