Experimental investigation of smart hull structures based on macro fiber composite actuators

Jung Woo Sohn; Heung Soo Kim; Seung Bok Choi; Kyung Su Kim

doi:10.4028/0-87849-415-4.1419

Experimental investigation of smart hull structures based on macro fiber composite actuators

Jung Woo Sohn, Heung Soo Kim, Seung Bok Choi, Kyung Su Kim

Department of Mechanical, Robotics and Energy Engineering

Inha University

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

In the present paper, the dynamic characteristics of smart hull structure are investigated for the feasibility of Macro Fiber Composite (MFC) actuator in active vibration control of smart hull structure. MFC is an advanced anisotropic piezoceramic actuator. Finite element technique was used to ensure application to practical geometry and boundary conditions of smart hull structure. Using finite element method, modal analysis and strain distribution were first conducted to investigate dynamic characteristics of smart hull structure. Based on numerical modal analysis, the locations of MFC actuators are determined to achieve maximum control authority. Then, the MFC actuators are attached to the hull structure and natural frequencies and damping coefficients are identified through experimental modal test.

Original language	English
Pages (from-to)	1419-1422
Number of pages	4
Journal	Key Engineering Materials
Volume	326-328 II
DOIs	https://doi.org/10.4028/0-87849-415-4.1419
State	Published - 2006

Keywords

Finite element modeling
Hull structures
MFC actuator
Modal analysis
Modal test
Structural vibration

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10.4028/0-87849-415-4.1419

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abstract = "In the present paper, the dynamic characteristics of smart hull structure are investigated for the feasibility of Macro Fiber Composite (MFC) actuator in active vibration control of smart hull structure. MFC is an advanced anisotropic piezoceramic actuator. Finite element technique was used to ensure application to practical geometry and boundary conditions of smart hull structure. Using finite element method, modal analysis and strain distribution were first conducted to investigate dynamic characteristics of smart hull structure. Based on numerical modal analysis, the locations of MFC actuators are determined to achieve maximum control authority. Then, the MFC actuators are attached to the hull structure and natural frequencies and damping coefficients are identified through experimental modal test.",

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AB - In the present paper, the dynamic characteristics of smart hull structure are investigated for the feasibility of Macro Fiber Composite (MFC) actuator in active vibration control of smart hull structure. MFC is an advanced anisotropic piezoceramic actuator. Finite element technique was used to ensure application to practical geometry and boundary conditions of smart hull structure. Using finite element method, modal analysis and strain distribution were first conducted to investigate dynamic characteristics of smart hull structure. Based on numerical modal analysis, the locations of MFC actuators are determined to achieve maximum control authority. Then, the MFC actuators are attached to the hull structure and natural frequencies and damping coefficients are identified through experimental modal test.

KW - Finite element modeling

KW - Hull structures

KW - MFC actuator

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KW - Modal test

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Experimental investigation of smart hull structures based on macro fiber composite actuators

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