Vibration control of bridges under simultaneous effects of earthquake and moving loads using steel pipe dampers

Nikkhoo, Ali; Eskandari, Ardalan Bahrami; Farazandeh, Ali; Hajirasouliha, Iman

doi:10.1177/1077546319861820

Cited by 8 publications

(4 citation statements)

References 47 publications

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“…Shape memory alloy dampers were also proposed by Zuo et al (2009) and Torra et al (2013). Magnetorheological and steel pipe dampers were used by Yang and Cai (2015) and Nikkhoo et al (2019) to suppress the bridge vibration.…”

Section: Introductionmentioning

confidence: 99%

Response control of cable-stayed arch bridge using modified hanger system

Farahmand‐Tabar

Barghian

2020

Journal of Vibration and Control

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Vertical or inclined cables which are placed in bridges as a hanger system affect the dynamic performance of bridges. Inclined hangers can be used instead of vertical hangers to improve the stability of the bridge aerodynamically. However, inclined hangers are susceptible to fatigue more than vertical ones. Considerable signs of distress or slackness might be shown by some inclined hangers because of their location on the bridge. In this study, a cable-stayed arch bridge with vertical and inclined hangers has been compared to investigate the effect of hangers on the dynamic performance of the bridge. To reduce the internal cable forces and the probability of fatigue or force fluctuation in hangers, additional horizontal cables are applied on inclined hangers that transfer the tensile load from overstressed hangers to adjacent ones with lower forces. By modification, the results demonstrate the higher stiffness and human comfort level for the bridge that improve the dynamic behavior and control the responses of the bridge.

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Section: Introductionmentioning

confidence: 99%

Response control of cable-stayed arch bridge using modified hanger system

Farahmand‐Tabar

Barghian

2020

Journal of Vibration and Control

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“…Numerous methods (Cao and Liu, 2018;Li et al, 2019;Nikkhoo et al, 2019) have been successfully applied for general vibration suppression. Vibration suppression in the multibody system has been studied by Lin et al (2018) and Wegerhoff et al (2018).…”

Section: Introductionmentioning

confidence: 99%

Combined feedback linearization and sliding mode control for vibration suppression of a robotic excavator on an elastic foundation

Hoang

Park

Lee

2020

Journal of Vibration and Control

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Hydraulic crawler excavators have been widely used for construction in industry, mining, and agriculture because of their special ability to work on weak soil support. However, the elastic properties of the ground increase the undesired vibrations of the entire operating machine. These oscillations significantly influence the working productivity, the level of fuel expenditure, and the comfort of the driver. There have been many works addressing this problem, although they mainly focus on mechanical dampers. Considering the system from robotic and control aspects, this study presents a new approach to deal with the abovementioned problem. A controller design, which uses a combination of feedback linearization and sliding mode control, is proposed based on a dynamic model. This control law reduces the vibrations of the system working on an elastic foundation, while also allowing for accurate tracking performance of the links. This control law is applied to a small-scale platform to investigate its feasibility for practical applications.

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“…Usually, it is tuned to first mode of the structure to mitigate the vibration by the resonance (Debbarma and Das, 2016). A number of scholars have investigated the effectiveness and ability of TMDs on control of civil structures including bridges and buildings (Amini and Doroudi, 2010; Carpineto et al, 2010; Elias and Matsagar, 2017b, 2017c; Hossein Lavassani et al, 2020; Larsena et al, 1995; Matin et al, 2020; Nikkhoo et al, 2019; Pourzeynali and Esteki, 2009; Wang et al, 2014). These articles indicate the promising effect of TMDs to reduce structural response of bridges and buildings.…”

Section: Introductionmentioning

confidence: 99%

Vibration control of suspension bridge due to vertical ground motions

Lavasani

Alizadeh

Doroudi

et al. 2020

Advances in Structural Engineering

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Suspension bridges due to their long span can experience large displacement response under dynamic loading like earthquakes. Unlike other structures, their vertical vibration may make remarkable difficulty that a control strategy seems to be essential. Tuned mass damper is a passive control system that can be changed to active one by adding an external source producing the active control force called active tuned mass damper. Unlike passive systems, active ones need a controller system affecting the performance of them considerably. In this study, the efficiency of tuned mass damper and active tuned mass damper are investigated in the bridges. Two controllers, fuzzy type 2 and fuzzy type 1, are used to estimate control force of active tuned mass damper. Tuned mass damper’s parameters are optimized under wide range of ground motions. Also, fuzzy type 2 and fuzzy type 1’s parameters are optimized under the influence of three different conditions containing far-field and near-field ground motions and also combination of them. In addition, Lion Pride Optimization Algorithm is selected for optimizing section. Numerical analysis indicates that active tuned mass damper is more effective than tuned mass damper, and also active tuned mass damper does not make any instability matter of concern in active control systems. Furthermore, performance of fuzzy type 2 is better than fuzzy type 1.

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Vibration control of bridges under simultaneous effects of earthquake and moving loads using steel pipe dampers

Cited by 8 publications

References 47 publications

Response control of cable-stayed arch bridge using modified hanger system

Response control of cable-stayed arch bridge using modified hanger system

Combined feedback linearization and sliding mode control for vibration suppression of a robotic excavator on an elastic foundation

Vibration control of suspension bridge due to vertical ground motions

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