DESIGN AND IMPLEMENTATION OF AN AMD SLIDING MODE CONTROLLER BASED ONA REDUCED MODEL
Publish Year: 1394
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
SEE07_331
تاریخ نمایه سازی: 29 آذر 1399
Abstract:
Active structural control has attracted considerable interest in recent years, as structures are getting taller yet more flexible (Soong, 1998). Active mass dampers (ADMs) are one of the efficient solutions presented for mitigating destructive effects of seismic and wind loads. However, design of model-based active structural control systems is such a hardship, as the available models for the control design are contaminated with parametric uncertainties and unmodeled dynamics. Robust control is agoodsolutionforactive control of uncertain structural systems (Zhao et al, 2000). In this research, design and implementation of a new robust sliding mode controller for tackling seismic excitations in the presence of parametric uncertainty is presented. For this purpose, a shear frame model developed based on a reduced model of a high rise building is built in laboratory scale. The structure is then equipped with a laboratory scale AMD system and the proposed controller is implemented in the system. Finally, effectiveness of the proposed controller is evaluated via shake table tests. The test results prove success of the proposed controller in suppressing inter-story drift and base shear responses in the presence of structural uncertainty.
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Authors
Mehdi SOLEYMANI
Ph.D. Assistant Professor, Arak University, Arak, Iran
HasanAli BAHRAMI
Graduate Student, Arak University, Arak, Iran
Vahid KAMANDLOUEE
Undergraduate Student, Arak University, Arak, Iran