The Evaluation of Instantaneous Semi-Active Control Performance on a 3-Dimensional Building
Publish place: international conference on civil engineering, architecture and Urban Sustainable Development
Publish Year: 1392
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICCAU01_3028
تاریخ نمایه سازی: 29 تیر 1393
Abstract:
Semi active control systems have been used successfully in civil engineering applications in order to deal with seismic loads. For the application of semi active systems,Magnetorheological (MR) dampers have received much attention for their magnificent performance in reducing the structural vibrations. Instantaneous optimal control algorithmhas been introduced to calculate the required control forces for safeguarding the structures.In the present paper, a semi active control strategy based on the instantaneous optimal method is presented to control the seismic responses of the building structure. The MRdamper is used as the semi active control device to generate the damping forces and an inverse model is used to regulate the required voltages for activating the dampers. Anumerical analysis on a 12-story three-dimensional steel building structure is carried out tocompare the effectiveness of the instantaneous control strategy with the classical linear (LQR) control strategy. The results show that the proposed control system leads to a significant reduction of structural responses
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Authors
Arash Bahar
Assistant Professor of Civil Engineering, University of Guilan
Abbas Fathi
M.S. Student of Structure Engineering, University of Guilan,
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