Vibration control of smart hull structure with optimally placed piezoelectric composite actuators

被引：103

作者：

Sohn, Jung Woo ^{[1
]}

Choi, Seung-Bok ^{[1
]}

Kim, Heung Soo ^{[2
]}

机构：

[1] Inha Univ, Dept Mech Engn, Smart Struct & Syst Lab, Inchon 402751, South Korea

[2] Dongguk Univ Seoul, Dept Mech Robot & Energy Engn, Seoul 100715, South Korea

来源：

INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES | 2011年 / 53卷 / 08期

关键词：

Cylindrical shell structure; Macro-fiber composite actuator; Piezoelectric actuator; Structural vibration control; Genetic algorithm; Optimal configuration; SENSORS; MODEL;

D O I：

10.1016/j.ijmecsci.2011.05.011

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Active vibration control to suppress structural vibration of the smart hull structure was investigated based on optimized actuator configurations. Advanced anisotropic piezoelectric composite actuator, Macro-Fiber Composite (MFC), was used for the vibration control. Governing equations of motion of the smart hull structure including MFC actuators were obtained using the Donnell-Mushtari shell theory and Lagrange's equation. The Rayleigh-Ritz method was used to obtain the dynamic characteristics of the smart hull structure. Experimental modal tests were conducted to verify the proposed mathematical model. In order to achieve high control performance, optimal locations and directions of the MFC actuators were determined by genetic algorithm. Optimal control algorithm was then synthesized to suppress structural vibration of the proposed smart hull structure and experimentally implemented to the system. Active vibration control performances were evaluated under various modes excitations. Vibration tests revealed that optimal configurations of MFC actuators improved the control performance of the smart hull structure in case of the limited number of actuators available. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：647 / 659

页数：13

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