Design Optimization of a Hybrid Vibration Control System for Buildings

Control of high-rise structures under seismic excitations was investigated using a passive hybrid control system consisting base-isolation (BI) subsystem and tuned liquid column damper (TLCD) system. Both the systems were optimized considering other in same structure. An optimization method developed, computer code written based on dynamic analysis structure metaheuristic methods. Within scope study, general solution found by many earthquake records during process. Moreover, one most suitable successful algorithms used this study. In addition, numerical simulations performed benchmark building to investigate effectiveness controlling response building. The performance base-isolated TLCD-controlled examined when TLCD placed base floor set 44 recorded ground motions as excitations. Based results obtained from use decoupling superstructure lowering structure’s fundamental natural frequency reduces structural responses cases. not too large since parameters BI specifically for Nevertheless, displacements might exceed maximum limit undesirable values some appears be quite effective protecting reducing its allowable or below attached it. proposed can effectively reduce