Multi-mode optimal fuzzy active vibration control of composite beams laminated with photostrictive actuators
Multi-mode optimal fuzzy active vibration control of composite beams laminated with photostrictive actuators
复制标题
光致致动器层合复合梁的多模态最优模糊主动振动控制
DOI:
10.1016/j.cja.2018.12.030
复制
发表时间:
2019-06
影响因子:
5.7
通讯作者:
He Rongbo
中科院分区:
文献类型:
--
作者:
Jia Mancang;Zheng Shijie;He Rongbo
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.
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影响因子:
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DOI:
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