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A hybrid LQR-PID control design for seismic control of buildings equipped with ATMD

Amir Hossein HEIDARI, Sadegh ETEDALI, Mohamad Reza JAVAHERI-TAFTI

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 1,   Pages 44-57 doi: 10.1007/s11709-016-0382-6

Abstract: This paper presents an efficient hybrid control approach through combining the idea of proportional-integral-derivative(PID) controller and linear quadratic regulator (LQR) control algorithm.LQR-PID controller, while having the advantage of the classical PID controller, is easy to implement in seismic-excitedoptimization procedure based on a cuckoo search (CS) algorithm, the LQR-PID controller is designed for a seismicsimulation results indicate that the LQR-PID performs better than the LQR controller in reduction of seismic

Keywords： seismic control     tuned mass dampers     cuckoo search     PID controller     LQR controller    

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Investigations concerning seismic response control of self-anchored suspension bridge with MR dampers

YANG Menggang, HU Jianhua

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 1,   Pages 43-48 doi: 10.1007/s11709-008-0011-0

Abstract: To mitigate the seismic response of self-anchored suspension bridges, equations of motion governing thecoupled system of bridge- magneto-rheological (MR) dampers subject to seismic excitation are formulatedA corresponding computer program is developed and employed for studying the seismic response controlThe effect of variable current and number of dampers on seismic response control is investigated.It appears that small electronic current (0.5 A in this study) may sufficiently attenuate the seismic

Keywords： longitudinal displacement     corresponding computer     excitation     phenomenological     self-anchored suspension    

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Semi-active fuzzy control of Lali Cable-Stayed Bridge using MR dampers under seismic excitation

Sajad JAVADINASAB HORMOZABAD, Amir K. GHORBANI-TANHA

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 706-721 doi: 10.1007/s11709-020-0612-9

Abstract: Seismic control of cable-stayed bridges is of paramount importance due to their complex dynamic behaviorIn the present study, several semi-active Fuzzy Control Algorithms (FCAs) for vibration mitigation ofThe performance of fuzzy control systems is also compared with a sky-hook and a passive-on system.Moreover, the sensitivity of efficiency of control systems to the peak ground acceleration is evaluatedTherefore, the results can be regarded as a general guide to design semi-active fuzzy control systems

Keywords： semi-active control     Fuzzy Control Algorithm     cable-stayed bridge     MR damper     Lali Bridge    

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Seismic response reduction of a three-story building by an MR grease damper

Tomoki SAKURAI, Shin MORISHITA

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 2,   Pages 224-233 doi: 10.1007/s11465-017-0413-6

Abstract:

This paper describes an application of magneto-rheological (MR) grease dampers as seismic dampersMR grease was introduced into a cylindrical damper, and the seismic performance of the damper was subsequentlyThe analysis results of the MR grease damper were compared with those of other seismic dampers.We confirmed that the MR grease damper is an effective seismic damper.

Keywords： MR grease damper     seismic damper     vibration control     structural response     FEM analysis    

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Fuzzy iterative learning control and numerical simulation of tall building seismic response control

Wang Quan,Wang Jianguo,Zhang Mingxiang

Strategic Study of CAE 2011, Volume 13, Issue 4,   Pages 81-86

Abstract:

With research into the fundamental ideas of self tuning control, fuzzycontrol strategy to reduce the seismic response of tall building.It improves the robustness of the iterative learning control.buildings is studied, using the new control strategy to calculate the seismic response of the buildingThe result of simulation shows that fuzzy iterative learning control strategy can control the seismic

Keywords： tall building     seismic response     iterative learning control     fuzzy control    

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Theoretical and experimental study on seismic response control on top of Three-Gorges ship lift towers

Weilian QU, Jianwei TU

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 32-41 doi: 10.1007/s11709-009-0003-8

Abstract: This paper proposes a roof magnetorheological (MR) intelligent isolation system to prevent the seismicestablished, the inverse neural network controlling algorithm was proposed and the fundamental semi-active controlsystem controlling the whipping effect was carried out and the results of the inverse neural network controlIt was proven that the MR intelligent isolation system with proper control strategy can greatly reducethe seismic whipping effect on the top workshop of the ship lift and be simple and effective enough

Keywords： Three-Gorges ship lift tower     whipping effect     magnetorheological (MR) intelligent isolation system     neural network     sliding steel supporting    

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Effect of strata restraint on seismic performance of prefabricated sidewall joints in fabricated subway

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 763-779 doi: 10.1007/s11709-023-0917-6

Abstract: A new method to test the seismic performance of prefabricated specimens for underground assembled structuresIndices related to the seismic performance and damage modes are analyzed comprehensively to reveal theAdditionally, the strata restraint effect significantly affects the seismic performance and damage modeAn FE model that can be used to conduct a seismic performance study of prefabricated specimens for underground

Keywords： underground structures     precast sidewall specimen     seismic test method     bearing capacity     energy dissipation    

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Effects of green roof damping and configuration on structural seismic response

Frontiers of Structural and Civil Engineering   Pages 1133-1144 doi: 10.1007/s11709-023-0959-9

Abstract: To expand their usage, their inherent damping and layout sensitivity to seismic performance are investigated

Keywords： green infrastructure     green roof     structural resilience     seismic design    

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Performance-based seismic assessment of a historical masonry arch bridge: Effect of pulse-like excitations

Frontiers of Structural and Civil Engineering   Pages 855-869 doi: 10.1007/s11709-023-0972-z

Abstract: Seismic analysis of historical masonry bridges is important for authorities in all countries hostingFifteen seismic records were considered and categorized as far-field, pulse-like near-field, and non-pulse-like

Keywords： masonry arch bridges     seismic behavior     modal properties     pulse-like records     nonlinear time history    

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Variability of waste copper slag concrete and its effect on the seismic safety of reinforced concrete

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 1,   Pages 117-130 doi: 10.1007/s11709-021-0788-7

Abstract: In addition, the paper presents a reliability-based seismic risk assessment of a typical waste copperThe results show that waste copper slag can be safely used for seismic resistant structures as it results

Keywords： waste copper slag     quantification of variability     goodness-of-fit test     seismic risk assessment     PSDM    

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Efficiency of scalar and vector intensity measures for seismic slope displacements

Gang WANG

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 1,   Pages 44-52 doi: 10.1007/s11709-012-0138-x

Abstract: empirical prediction models as well as the ground motion selection criteria for time domain analysis of seismic

Keywords： seismic slope displacements     intensity measures     empirical prediction    

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Experiment and calculation on seismic behavior of RC composite core walls with concealed steel truss

Wanlin CAO , Weihua CHANG , Changjun ZHAO , Jianwei ZHANG ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3,   Pages 255-261 doi: 10.1007/s11709-009-0043-0

Abstract: To improve the seismic performance of reinforced concrete core walls, reinforced concrete composite coreThe experimental study on seismic performance under cyclic loading was carried out.The test results showed that the seismic performance of core walls is improved greatly by the concealed

Keywords： reinforced concrete     steel truss     core walls     seismic performance    

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Finite element analysis on the seismic behavior of side joint of Prefabricated Cage System in prefabricated

Yunlin LIU, Shitao ZHU

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1095-1104 doi: 10.1007/s11709-019-0538-2

Abstract: Side joint is the weak region of PCS concrete frame and has great influence on seismic behavior of theThus systematically study on the seismic behavior of PCS concrete side joint is necessary.This paper presents a finite element study on behavior of the side joint under seismic loading.In addition, the overall seismic behavior of the side joints in PCS concrete is better than that of the

Keywords： PCS concrete side joint     numerical simulation     fiber-beam element joint model     solid element joint model     seismic    

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Influence of site conditions on seismic design parameters for foundations as determined via nonlinear

Muhammad Tariq A. CHAUDHARY

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1,   Pages 275-303 doi: 10.1007/s11709-021-0685-0

Abstract: geotechnical properties and the geological setting, influence the near-surface response of strata subjected to seismicthe last three parameters are sensitive to the level of nonlinear strain induced in the strata due to seismicIt was also found that variations in soil properties influenced seismic design parameters in soil typePredictive relationships for , , and were derived based on the 1D seismic site response analysisThe need to incorporate and in the metrics for determining , , and for the seismic design of

Keywords： site effects     1D seismic site response analysis     sensitivity analysis     foundations     shear wave velocity     soil    

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Investigation of the seismic behavior of grouted sandy gravel foundations using shaking table tests

Tiancheng WANG; Yu LIANG; Xiaoyong ZHANG; Zhihuan RUAN; Guoxiong MEI

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 9,   Pages 1196-1211 doi: 10.1007/s11709-022-0865-6

Abstract: Grouting methods can be used to improve the seismic performance of natural sandy gravel foundations.Few studies have investigated the seismic behavior of sandy gravel foundations before and after groutingthis study, two shaking table tests were performed to evaluate the effect of grouting reinforcement on seismicstress-strain relationships of the two foundations were obtained by a linear inversion method to evaluate the seismic

Keywords： sandy gravel foundation     grouting-treated reinforcement     shaking table test     seismic behavior    

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Title Author Date Type Operation

A hybrid LQR-PID control design for seismic control of buildings equipped with ATMD

Amir Hossein HEIDARI, Sadegh ETEDALI, Mohamad Reza JAVAHERI-TAFTI

Journal Article

Investigations concerning seismic response control of self-anchored suspension bridge with MR dampers

YANG Menggang, HU Jianhua

Journal Article

Semi-active fuzzy control of Lali Cable-Stayed Bridge using MR dampers under seismic excitation

Sajad JAVADINASAB HORMOZABAD, Amir K. GHORBANI-TANHA

Journal Article

Seismic response reduction of a three-story building by an MR grease damper

Tomoki SAKURAI, Shin MORISHITA

Journal Article

Fuzzy iterative learning control and numerical simulation of tall building seismic response control

Wang Quan,Wang Jianguo,Zhang Mingxiang

Journal Article

Theoretical and experimental study on seismic response control on top of Three-Gorges ship lift towers

Weilian QU, Jianwei TU

Journal Article

Effect of strata restraint on seismic performance of prefabricated sidewall joints in fabricated subway

Journal Article

Effects of green roof damping and configuration on structural seismic response

Journal Article

Performance-based seismic assessment of a historical masonry arch bridge: Effect of pulse-like excitations

Journal Article

Variability of waste copper slag concrete and its effect on the seismic safety of reinforced concrete

Journal Article

Efficiency of scalar and vector intensity measures for seismic slope displacements

Gang WANG

Journal Article

Experiment and calculation on seismic behavior of RC composite core walls with concealed steel truss

Wanlin CAO , Weihua CHANG , Changjun ZHAO , Jianwei ZHANG ,

Journal Article

Finite element analysis on the seismic behavior of side joint of Prefabricated Cage System in prefabricated

Yunlin LIU, Shitao ZHU

Journal Article

Influence of site conditions on seismic design parameters for foundations as determined via nonlinear

Muhammad Tariq A. CHAUDHARY

Journal Article

Investigation of the seismic behavior of grouted sandy gravel foundations using shaking table tests

Tiancheng WANG; Yu LIANG; Xiaoyong ZHANG; Zhihuan RUAN; Guoxiong MEI

Journal Article