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Bir yapının aktif kütle sistemleri ile titreşim kontrolü

2022
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Advisor: Prof. Dr. Hasan Öztürk

Abstract (EN)

Strong earthquake-induced vibrations that endanger human life and the structural integrity of structures as well as wind-induced vibrations of skyscrapers are examples of vibrations in buildings whose amplitudes aimed to be decreased. In order to reduce these types of structural vibrations, active mass damper systems are often used in literature and full-scale applications. In this thesis, the focus is on controller design for ATMD systems in order to reduce the vibration of multi-story buildings, especially earthquake-induced vibrations. Stability of the structure and control mass is guaranteed by Lyapunov-based stability analysis. Robust adaptive backstepping controller, which is a full state feedback control method, is enriched with a new linear regression based design. In this way, the designed controller achieves its control purpose by using fewer sensors feedback. In Lyapunov-based controller designs within the scope of this thesis, the structural parameters are not used and the unknown structural parameters are compensated using adaptive compensation terms. Afterward, a Lyapunov-based controller is designed for a nonlinear structure model that is exposed to nonlinear disturbances and the stability of the structure is ensured while achieving the control purpose. Finally, a controller design based on the natural frequency of the structure has been strengthened with a control structure that limits the range of motion of the controller. As a result, this thesis theoretically proved that vibrations occurring in engineering structures can be controlled by compensating for unknown structural parameters with active mass systems. Stability of the structure for all positive control gains while achieving the control objective is guaranteed by Lyapunov-based stability analysis.

Author

Dr. Rafet Can Ümütlü

How to Cite

Rafet Can Ümütlü (Doctorate thesis). Bir yapının aktif kütle sistemleri ile titreşim kontrolü, 2022, Dokuz Eylül University.

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