The model of the benchmark cable-stayed bridge is based on the actual cable-stayed bridge that is under construction on cape girardeau, missouri, usa the prime aim of the study is to investigate the application of protective devices, such as semi-active and passive dampers, in reducing the displacement of the deck as well as base shear and . Movable anchorage system with fpb for vibration control of stay cables cable-stayed bridges, fpb, vibration control, semi-active dampers for reducing cable . Advanced search home proceedings volume 4330 article proceedings . Based on kovacs’s (1982) work, studied the semi-active control of stay cables using mr dampers and proved their mr dampers on cable-stayed bridge to . A neuro-control method is proposed for semi-active vibration control of stay cables using magneto-rheological (mr) dampers a finite element model with multiple degrees-of-freedom is formulated for the hybrid system of a sagged stay cable incorporated with mr dampers.
A semi-active optimal control algorithm is formulated to determine the controllable clamping force of a variable friction device this algorithm uses measurements of the absolute acceleration and . A new semi-active piezoelectric based friction damper yang and l w lu, “seismic response control of cable-stayed bridges by semi-active friction. Vertical vibration control of suspension bridges semi-active friction dampers, have been investigated applied to vibration control of highway bridges, cable. Passive and hybrid control systems for seismic protection of a benchmark cable-stayed bridge a nonlinear semi-active controller based on optimal polynomial .
Nonlinear control of a 20-story steel building with active piezoelectric friction dampers - active control of cable-stayed bridges by semi-active friction . Mances of some semiactive and passive control systems for this benchmark cable-stayed bridge are evaluated and presented the semiactive control systems considered include the semiactive stiffness damper and the semiactive friction damper. A semi-active fuzzy control technique to enhance the seismic performance of cable-stayed bridges using magneto-rheological (mr) dampers is presented.
Application of isolation systems in the seismic control of cable-stayed bridges: a state-of-the-art review semi-active and active devices this paper investigates . In recent decades active and semi-active structural control are becoming attractive alternatives for enhancing performance of civil infrastructures subjected to seismic and winds loads however, in order to have reliable active and semi-active control, there is a need to include information of . In this paper, the efficacy of semi-active hybrid control system for seismic protection of cable-stayed bridge is examined the investigation is carried out on a simplified lumped mass finite element model of the quincy bay-view bridge at illinois the bridge is isolated using a high damping rubber . Seismic control of benchmark cable-stayed bridge using variable friction pendulum systems purnachandra saha department of civil engineering, k l university, guntur, andhra pradesh, india-522502. Semi-active control algorithms for cables and nonlinear structures were proposed mao, 2006), pzt-based variable friction dampers (ou, 2004) and situ test of .
A semi-active optimal control algorithm is formulated to determine the controllable clamping force of a variable friction device this algorithm uses measurements of the absolute acceleration and device relative displacements for determining the control action to ensure that the algorithm would be implementable on a physical structure. In this paper, a simple, non-model-based control strategy is developed to control stay cable vibration using magneto-rheological (mr) ﬂuid dampers, which are semi-active devices with adjustable damping properties. A semi-active tuned mass damper is for open-loop control, control forces are computed based on to the suspension cables of the eight-cable-stayed bridge an .
Assiut university staff researches ( 2 ) friction based semi-active control of cable-stayed bridges abdel raheem s e, dorka, ue and hayashikawa, t. A considerable number of studies have explored the effectiveness of semi‐active based superelastic friction cable-stayed bridges . Friction bearings the floor plan is l-shaped it is based on a cable-stayed bridge in cape girardeau, missouri, usa semi-active and active control systems .
Journal of structural engineering vol53a (march 2007) jsce friction based semi-active control of cable-stayed bridges. The numerical results show that, when the proposed semi-active control strategy based on the modulated homogeneous friction algorithm is adopted, if only one vibration mode of cable is excitated, the vibration reduction effect by mr damper is close to that by viscous damper optimally tuned to this mode however, if two or more vibration modes . Seismic response control of a cable-stayed nonlinear viscous damping force scheme and the two-step friction damping force scheme the semi-active control . A new semi-active piezoelectric based friction damperpdf control of cable-stayed bridges by semi-active friction damping a “semi-active control of .