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MFC와 능동 제어를 이용한 손상된 복합재의 동적 특성 복원open accessDynamic Characteristics Modification of Damaged Composite Structure Using MFC and Active Control Algorithm
- Other Titles
- Dynamic Characteristics Modification of Damaged Composite Structure Using MFC and Active Control Algorithm
- Issue Date
- Dec-2013
- Publisher
- 한국소음진동공학회
- Keywords
- 능동 제어; 적층 복합재; 층간 분리; 압전 작동기; MFC 작동기; Active Control; Laminated Composite; Delamination; Piezoelectric Actuator; Macro-fiber Composite Actuator
- Citation
- 한국소음진동공학회논문집, v.23, no.12, pp 1066 - 1072
- Pages
- 7
- Indexed
- KCI
- Journal Title
- 한국소음진동공학회논문집
- Volume
- 23
- Number
- 12
- Start Page
- 1066
- End Page
- 1072
- ISSN
- 1598-2785
2287-5476
- Abstract
- In this work, active control algorithm is adopted to reduce delamination effects of the damaged composite structure and control performance with MFC actuator is numerically evaluated. Finite element model for the damaged composite structure with piezoelectric actuator is established based on improved layerwise theory. In order to achieve high control performance, MFC actuator, which has increased actuating force, is considered as a piezoelectric actuator. Mode shapes and corresponding natural frequencies for the damaged smart composite structure are studied. After design and implementation of active controller, dynamic characteristics of the damaged smart composite structure are investigated.
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Related Researcher
- Kim, Heung Soo
- College of Engineering (Department of Mechanical, Robotics and Energy Engineering)