Vibration Control of Structures during Earthquakes with an Optimal Preview Active Control Strategy

سال انتشار: 1382
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 1,415

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شناسه ملی سند علمی:

ICCE06_360_6595341520

تاریخ نمایه سازی: 25 مهر 1384

چکیده مقاله:

Active vibration control of structure during earthquake is studied. Attention is given to optimal control methodology with and without preview for protection against earthquakes. A three-story building model and El Centro earthquake record is used in the analysis. Acceleration responses of the structure with active vibration control mechanism with and with out preview sensors are evaluated and the results are compared with those for the unprotected building. It is shown that the seismic protection of buildings could be achieved with active vibration control techniques. Using properly designed active control systems can effectively reduce the acceleration transmitted to structures during a major earthquake. It is also shown that the inclusion of the preview sensors in the active control strategy will improve the system performance significantly.Active control methodologies, with and without preview, may also be effectively used for protection of existing vulnerable buildings against earthquake

نویسندگان

Javad Marzbanrad

Automotive Engineering Department, Iran University of Science and Technology, University, Tehran, Iran

Goodarz Ahmadi

Department of Mechanical and Aeronautical Engineering, Clarkson University, Potsdam, NY ۱۳۶۹۹-۵۷۲۵, USA

Ratneshwar Jha

Department of Mechanical and Aeronautical Engineering, Clarkson University, Potsdam, NY ۱۳۶۹۹-۵۷۲۵, USA

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