光电层合简支板的多模态最优模糊主动振动控制

贺容波1,2,郑世杰1

振动与冲击 ›› 2015, Vol. 34 ›› Issue (8) : 77-82.

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PDF(2433 KB)
振动与冲击 ›› 2015, Vol. 34 ›› Issue (8) : 77-82.
论文

光电层合简支板的多模态最优模糊主动振动控制

  • 贺容波1,2,郑世杰1
作者信息 +

Multi-modal Optimal Fuzzy Active Vibration Control of Photo-electric Laminated Simply Supported Plate

  •  HE Rong-bo1,2, ZHENG Shi Jie1
Author information +
文章历史 +

摘要

本文以配置两对光致伸缩驱动器的简支板为控制对象,提出了最优控制与模糊控制相结合的最优模糊主动控制算法。考虑到光致伸缩驱动器的非线性驱动特性,首先由最优控制获得光电层合简支板多模态振动的期望控制量, 再通过模糊控制器使光致伸缩驱动器光致应变逼近该控制量, 从而实现对简支板的多模态振动控制。在最优模糊控制器设计过程中,模糊控制的设计与最优控制设计是相互独立的。仿真结果表明, 最优模糊控制能够有效实现光电层合简支板的多模态振动抑制,控制效果明显优于直接最优状态反馈控制。

Abstract

In this paper, taking a simply supported plate laminated with two pairs of photostrictive actuators as the controlled object, an optimal fuzzy active control algorithm is proposed on the basis of the combination of optimal control and fuzzy one. In view of the nonlinear driving characteristics of photostrictive actuators, the desired control for suppressing multi-modal vibration of photo-electric laminated simply supported plate is firstly obtained through optimal control. And then the fuzzy control is used to approach the desired control induced by photostrictive actuators. Thus, the multi-modal vibration control of simply supported plate 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 could effectively realize multi-modal vibration control of photo-electric laminated simply supported plate, and the control effect of optimal fuzzy control is better than that of optimal state feedback control. 
 

关键词

光致伸缩驱动器 / 简支板 / 多模态振动 / 模糊控制 / 最优控制

Key words

photostrictive actuators / simply supported plates / multi-modal vibration / fuzzy control / optimal control

引用本文

导出引用
贺容波1,2,郑世杰1. 光电层合简支板的多模态最优模糊主动振动控制[J]. 振动与冲击, 2015, 34(8): 77-82
HE Rong-bo1,2, ZHENG Shi Jie1.
Multi-modal Optimal Fuzzy Active Vibration Control of Photo-electric Laminated Simply Supported Plate
[J]. Journal of Vibration and Shock, 2015, 34(8): 77-82

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