Multi-mode optimal fuzzy active vibration control of composite beams laminated with photostrictive actuators

被引：0
|
作者：
Mancang JIA [1 ]
Shijie ZHENG [1 ]
Rongbo HE [1 ,2 ]
机构：
[1] Institute of Smart Materials and Structures, State Key Laboratory of Mechanics and Control of Mechanical Structures,Nanjing University of Aeronautics and Astronautics
[2] School of Electrical Information, Anhui University of Technology
来源：
Chinese Journal of Aeronautics | 2019年 / 32卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Active control; Finite element method; Multiple modes; Optimal fuzzy control algorithm; Photostrictive actuators;
D O I：
暂无
中图分类号：
TB381 [智能材料];
学科分类号：
080501 ; 1405 ;
摘要：
Firstly, a multi-field coupling finite element formulation of composited beam laminated with the photostrictive actuators is developed in this paper. Moreover, an optimal fuzzy active control algorithm is also proposed on the basis of the combination of optimal control and fuzzy one.This method opens a new avenue to resolve the contradiction between the linear system control method and nonlinear actuating characteristics of photostrictive actuators. The desired control for suppressing multi-modal vibration of photoelectric laminated beam is firstly obtained through optimal control and then the fuzzy control is used to approach the desired mechanical strain induced by photostrictive actuators. Thus, the multi-mode vibration control of beam is realized.In the design process of optimal fuzzy controller, the design of fuzzy control is independent of optimal control. The simulation results demonstrate that the proposed control method can effectively realize multi-modal vibration control of photoelectric laminated beams, and the control effect of optimal fuzzy control is better than that of optimal state feedback control.
引用
收藏
页码：1442 / 1450
页数：9
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