This study focuses on the problem of optimum selection tuned mass dampers (TMDs) parameters for buildings under seismic excitations. Vibration control structure excitations reduction structural damages and comfort/serviceability considerations is addressed by employing a design process based multi-objective cuckoo search (MOCS) simultaneous responses structures in terms displacement acceleration stories tuning TMD with smaller ratio. The numerical studies are carried out two benchmark...

Tuned mass damper (TMD) is a type of energy absorbers that can mitigate the vibrations main system if its frequency and damping ratios are well adjusted. By adopting simple assumptions on structure loadings, many analytical empirical relationships have been presented for estimation parameters TMDs. In this research, methods based artificial intelligence (AI) techniques proposed optimal tuning TMD damped-structure three kinds loadings: white-noise base acceleration, external force, harmonic...

This paper developed multi-objective optimization design of proportional–derivative (PD) and proportional–integral–derivative (PID) controllers for seismic control high-rise buildings. The case study is an 11-story realistic building equipped with active tuned mass damper (ATMD). Four earthquakes nine performance indices are taken into account to assess the controllers. To create a good trade-off between robustness closed-loop structural system, non-dominated sorting genetic algorithm,...

Tuned mass dampers (TMDs) have been widely used to suppress or absorb vibration. Optimum tuning of the TMD parameters using metaheuristic algorithms demands numerous numerical analyses which is a tedious and time-consuming task. Recent advances in data processing systems attracted great attention towards creation intelligent evolve models engineering applications. The present paper implements least squares support vector machine (LS-SVM) build up predict optimum parameters. performance...

The seismic behavior of the structures equipped with ATMD is often investigated based on rigid base assumption without considering soil-structure interaction (SSI) effects. SSI effects significantly modify dynamic characteristics structures, while these changes may be ignored in design process controllers. present paper aims to address issue and performance adopted For this purpose, a mathematical model developed for time domain analysis tall building including Considering fixed case three...

A novel adaptive dynamic harmony search (ADHS) algorithm is proposed based on the dynamical parameters that are adjusted using previous results of memory with a simple formulation. The accuracy and efficiency ADHS compared several improved versions through mathematical benchmark examples. optimum design database tuned mass damper (TMD) for damped main system under white-noise base excitation extracted by applicable engineering problem. Four models calibrated nonlinear training approach-based...

To adjust the contact force of piezoelectric friction dampers for a benchmark base-isolated structure, self-tuning fuzzy proportional–derivative controller and an adaptive are developed. Considering three candidate signals, namely, isolation displacement, velocity, roof acceleration, best feedback signal is selected based on Pareto-optimal front. The performance during both near-field far-field earthquakes enhanced using controller, in which output gain adaptively tuned according to kind...

The current semi-active or even active control strategies have been developed to address a few drawbacks, such as unwanted large displacements created at the base level and system deficiency in adaptation different types of seismic excitations, isolation systems. In this article, two strategies, multi-objective modified clipped optimal adaptive fractional order fuzzy proportional–integral–derivative, are proposed for smart base-isolated structure equipped with magnetorheological damper. main...

The application of the fractional-order PID (FOPID) controller is recently becoming a topic research interest for vibration control structures. Some researchers have successfully implemented FOPID in single-input single-output (SISO) structural system subjected to earthquake excitations. However, there lack that focuses on its multi-input multi-output (MIMO) systems implement it seismic-excited In this case, cross-coupling process channels MIMO may result complex design controllers so each...

Abstract Semi-active control of base-isolated structures using magneto-rheological (MR) dampers is well studied in recent years. However, there a study gap for sensitivity and reliability analyses assessment the structure literature. Besides, analysis based on importance building from user perspective categorized into three groups including very high, medium an interesting topic that considered this study. Extension case uncontrolled controlled ones both passive-off passive-on modes MR...

In this paper, a decoupled proportional-integral-derivative (PID) control approach for seismic of smart structures is presented. First, the state space equation structure transformed into modal coordinates and parameters PID are separately designed in reduced space. Then, feedback gain matrix controller obtained based on contribution responses to structural responses. The performance investigated adjust force piezoelectric friction dampers (PFDs) benchmark base isolated building. order tune...

The probabilistic performance of the seismic-excited structures supplemented with passive control devices has recently received attention. Friction tuned mass damper (FTMD) devise as a novel device is inspired by idea combination friction mechanism traditional (TMD) device. Although application FTMD been considered for seismic structures, to best authors’ knowledge, reliability evaluation high-rise building equipped under near-field earthquakes considering soil-structure interaction (SSI)...