지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.26 No.6
- 발행연도
- 2020.1
- 수록면
- 721 - 733 (13page)
이용수
초록· 키워드
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The present study investigates the employing of piezoelectric patches in active control of a sandwich plate. Indeed, the active control and optimal patch distribution on this structure are presented together. A sandwich plate with honeycomb core and composite reinforced by carbon nanotubes in facesheet layers is considered so that the optimum position of actuator/sensor patches pair is guaranteed to suppress the vibration of sandwich structures. The sandwich panel consists of a search space which is a square of 200 × 200 mm with a numerous number of candidates for the optimum position. Also, different dimension of square and rectangular plates to obtain the optimal placement of piezoelectric actuator/senor patches pair is considered. Based on genetic algorithm and LQR, the optimum position of patches and fitness function is determined, respectively. The present study reveals that the efficiency and performance of LQR control is affected by the optimal placement of the actuator/sensor patches pair to a large extent. It is also shown that an intelligent selection of the parent, repeated genes filtering, and 80% crossover and 20% mutation would increase the convergence of the algorithm. It is noted that a fitness function is achieved by collection actuator/sensor patches pair cost functions in the same position (controllability). It is worth mentioning that the study of the optimal location of actuator/sensor patches pair is carried out for different boundary conditions of a sandwich plate such as simply supported and clamped boundary conditions.
목차
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참고문헌 (41)
참고문헌 신청
G S Aglietti / 2004 / Model building and verification for active control of microvibrations with probabilistic assessment of the effects of uncertainties / Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 218(4):389~399
S.M. AkhavanAlavi / 2019 / Active control of micro Reddy beam integrated with functionally graded nanocomposite sensor and actuator based on linear quadratic regulator method / European Journal of Mechanics - A/Solids 74:449~461
Alipour, A. / 2008 / Study Rayleigh damping in structures; unceratinties and treatments / Proceedings of the 14th World Conference on Earthquake Engineering
Amir Amini / 2019 / Active control to reduce the vibration amplitude of the solar honeycomb sandwich panels with CNTRC facesheets using piezoelectric patch sensor and actuator / Steel and Composite Structures, An International Journal 32(5):671~686
Ahmadreza Argha / 2017 / A framework for optimal actuator/sensor selection in a control system / International Journal of Control 92(2):242~260
S.M. AkhavanAlavi / 2019 / Active control of micro Reddy beam integrated with functionally graded nanocomposite sensor and actuator based on linear quadratic regulator method / European Journal of Mechanics - A/Solids 74:449~461
Alipour, A. / 2008 / Study Rayleigh damping in structures; unceratinties and treatments / Proceedings of the 14th World Conference on Earthquake Engineering
Amir Amini / 2019 / Active control to reduce the vibration amplitude of the solar honeycomb sandwich panels with CNTRC facesheets using piezoelectric patch sensor and actuator / Steel and Composite Structures, An International Journal 32(5):671~686
Ahmadreza Argha / 2017 / A framework for optimal actuator/sensor selection in a control system / International Journal of Control 92(2):242~260
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