Modeling and control of magnetorheological dampers for seismic response reduction

S J Dyke; B F Spencer Jr; M K SainJ D Carlson

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Modeling and control of magnetorheological dampers for seismic response reduction

机译：Modeling and control of magnetorheological dampers for seismic response reduction

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Control of civil engineering structures for earthquake hazard mitigation represents a relatively new area of research that is growing rapidly. Control systems for these structures have unique requirements and constraints. For example, during a severe seismic event, the external power to a structure may be severed, rendering control schemes relying on large external power supplies ineffective. Magnetorheological (MR) dampers are a new class of devices that mesh well with the requirements and constraints of seismic applications, including having very low power requirements. This paper proposes a clipped-optimal control strategy based on acceleration feedback for controlling MR dampers to reduce structural responses due to seismic loads. A numerical example, employing a newly developed model that accurately portrays the salient characteristics of the MR dampers, is presented to illustrate the effectiveness of the approach.

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《smart materials and structures》 |1996年第5期|565-575|共页
作者
S J Dyke; B F Spencer Jr; M K SainJ D Carlson;
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Department of Civil Engineering, Washington University, St Louis, MO 63130, USA;

Department of Civil Engineering and Geological Sciences, University of Notre Dame, Notre Dame, IN 46556, USA;

Department of Electrical Engineering, University of Notre Dame, Notre Dame, IN 46556, USAMechanical Products Division, Lord Corporation, Cary, NC 27511, USA;

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Modeling and control of magnetorheological dampers for seismic response reduction

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