A Critical Review on Control Strategies for Structural Vibration Control

Wani, Zubair Rashid; Tantray, Manzoor; Farsangi, Ehsan Noroozinejad; Nikitas, Nikolaos; Noori, Mohammad; Samali, Bijan; Yang, Tianliang

doi:10.1016/j.arcontrol.2022.09.002

Cited by 28 publications

(15 citation statements)

References 168 publications

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“…Furthermore, viscous dampers have been used for seismic enhancement and retrofitting (Uriz and Whittaker, 2001;Martinez-Rodrigo and Romero, 2003;Sorace and Terenzi, 2009;Rama Raju et al, 2014;Lavan, 2015;Pollini et al, 2016Pollini et al, , 2017Impollonia and Palmeri, 2018;Aydin et al, 2019;Tabar et al, 2021). Design procedures and optimum design methods have been studied for use of supplemental dampers in structures (Tsuji and Nakamura T, 1996;Uetani et al, 2003;Lavan and Levy, 2005;Lavan and Levy, 2006;Silvestri and Trombetti, 2007;Hwang et al, 2008;Takewaki, 2009;Hao and Zhang, 2016;Kawamoto et al, 2016;Parcianello et al, 2017;Wang and Mahin, 2018;Idels and Lavan, 2020;De Domenico and Hajirasouliha, 2021;Wani et al, 2022). While previous studies have investigated high-rise buildings, slender towers, and long-span bridges that may suffer severe damage due to seismic excitations or wind loads, no research had been conducted on low-story houses until small-size viscous dampers were developed and applied to housing structures.…”

Section: Open Accessmentioning

confidence: 99%

Cross-story installation of viscous dampers in timber frame houses for earthquake damage reduction

Nakamura

Matsumura²

2022

Front. Built Environ.

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Timber frame structures are commonly used in housing construction that use squared-off timber beams, columns, and walls as lateral load-bearing members. A small-size viscous damper can be applied to timber frame houses to reduce damage caused by major earthquakes. Dampers are normally installed inter-story (between adjacent floors) to absorb vibration energy and reduce seismic response. Another method is the cross-story installation wherein a damper is installed between the rooftop and base of the structure across intermediate floors. This study investigated the effectiveness of cross-story installation of a viscous damper by conducting eigenvalue analyses of 2DOF models and earthquake response analyses of a two-story timber frame house subjected to the 2016 Kumamoto earthquake and other major earthquakes. We compared the damping factors and response reduction effects of the cross-story installation with those of conventional inter-story installations. The results showed that the cross-story installation of dampers was more effective than the inter-story installation in terms of reducing story drift. Furthermore, the cross-story installation reduced the number of dampers required for preventing severe damage by half. Finally, the cross-story installation allowed the viscous damper in the first story to absorb vibration energy nearly twice as much as that of the inter-story installation. Therefore, while the cross-story damper is typically installed on an outer frame fixed to the house, our results conclude that it can be applied to an existing house as a seismic retrofitting measure.

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Section: Open Accessmentioning

confidence: 99%

Cross-story installation of viscous dampers in timber frame houses for earthquake damage reduction

Nakamura

Matsumura²

2022

Front. Built Environ.

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“…, 2016), pole assignment method (Datta, 2010), sliding mode control (Yang et al. , 1995), adaptive control (Wani et al. , 2022), fuzzy logic control (Bathaei and Zahrai, 2022) and neural network control (Li and Adeli, 2018).…”

Section: Introductionmentioning

confidence: 99%

“…, 1988) have been increasingly innovated in civil engineering structures in the last decades. The strategies are reliable, adaptive and versatile to the aspects of structural systems, control systems and environments (Wani et al. , 2022).…”

Section: Introductionmentioning

confidence: 99%

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Adaptive linear quadratic regulator for optimal structural control based on wavelet transform and genetic algorithm

Chha,

Peng

2023

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PurposeIn real life, excitations are highly non-stationary in frequency and amplitude, which easily induces resonant vibration to structural responses. Conventional control algorithms in this case cannot guarantee cost-effective control effort and efficient structural response alleviation. To this end, this paper proposes a novel adaptive linear quadratic regulator (LQR) by integrating wavelet transform and genetic algorithm (GA).Design/methodology/approachIn each time interval, multiresolution analysis of real-time structural responses returns filtered time signals dominated by different frequency bands. Minimization of cost function in each frequency band obtains control law and gain matrix that depend on temporal-frequency band, so suppressing resonance-induced filtered response signal can be directly achieved by regulating gain matrix in the temporal-frequency band, leading to emphasizing cost-function weights on control and state. To efficiently subdivide gain matrices in resonant and normal frequency bands, the cost-function weights are optimized by a developed procedure associated to genetic algorithm. Single-degree-of-freedom (SDOF) and multi-degree-of-freedom (MDOF) structures subjected to near- and far-fault ground motions are studied.FindingsResonant band requires a larger control force than non-resonant band to decay resonance-induced peak responses. The time-varying cost-function weights generate control force more cost-effective than time-invariant ones. The scheme outperforms existing control algorithms and attains the trade-off between response suppression and control force under non-stationary excitations.Originality/valueProposed control law allocates control force amounts depending upon resonant or non-resonant band in each time interval. Cost-function weights and wavelet decomposition level are formulated in an elegant manner. Genetic algorithm-based optimization cost-efficiently results in minimizing structural responses.

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“…Active control systems consist of sensor(s), controller(s) (with a predetermined algorithm as in Wani et al (2022)), and actuator(s) (seen in Fig. 1) (c).…”

Section: Introductionmentioning

confidence: 99%

Passive, semi-active, active and hybrid mass dampers: A literature review with associated applications on building-like structures

Koutsoloukas

Nikitas

Aristidou

2022

Developments in the Built Environment

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A Critical Review on Control Strategies for Structural Vibration Control

Cited by 28 publications

References 168 publications

Cross-story installation of viscous dampers in timber frame houses for earthquake damage reduction

Cross-story installation of viscous dampers in timber frame houses for earthquake damage reduction

Adaptive linear quadratic regulator for optimal structural control based on wavelet transform and genetic algorithm

Passive, semi-active, active and hybrid mass dampers: A literature review with associated applications on building-like structures

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