서지주요정보
고정해양구조물의 능동제어 = Active control of fixed offshore structure
서명 / 저자 고정해양구조물의 능동제어 = Active control of fixed offshore structure / 방제묵.
발행사항 [대전 : 한국과학기술원, 1994].
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소장정보

등록번호

8004708

소장위치/청구기호

학술문화관(문화관) 보존서고

MCE 94008

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초록정보

The reduction of the dynamic responses of offshore towers subjected to wind generated random ocean waves is an important issue in the aspect of serviceability, fatigue life and safety of the structure. In this thesis, methods of structural control are studied to reduce the responses of a fixed offshore structure subjected to wave forces. Performances of the passive control system with a Tuned Mass Damper(TMD) and the active control system with a active tuned mass damper(ATMD) are examined. For the later system, the instantaneous optimal control scheme is employed. Numerical example studies are carried out to investigate the performance for several sea state conditions. Results show that the active control system is more efficient than the passive control system. The case of the active control, displacements and velocities of all nodes of structure should be measured to determine the control forces. However, it is not easy to measure responses at all the nodes. In the present study, thus, accelerations and velocities of several nodes near the water surface are assumed to be measured, then velocities and displacements of other nodes are estimated by Kalman Filtering.

서지기타정보

서지기타정보
청구기호 {MCE 94008
형태사항 vi, 53 p. : 삽화 ; 26 cm
언어 한국어
일반주기 저자명의 영문표기 : Jei-Mook Bang
지도교수의 한글표기 : 윤정방
지도교수의 영문표기 : Chung-Bang Yun
학위논문 학위논문(석사) - 한국과학기술원 : 토목공학과,
서지주기 참고문헌 : p. 51-53
주제 Structural control.
Fatigue.
해양 구조물. --과학기술용어시소러스
능동 제어. --과학기술용어시소러스
피로 수명. --과학기술용어시소러스
Offshore structures.
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