[PDF][PDF] Applications of the extended fractional Euler-Lagrange equations model to freely oscillating dynamical systems

A Agila, D Baleanu, R Eid, B Irfanoglu - Rom. J. Phys, 2016 - rjp.nipne.ro
The fractional calculus and the calculus of variations are utilized to model and control
complex dynamical systems. Those systems are presented more accurately by means of …

A freely damped oscillating fractional dynamic system modeled by fractional Euler–Lagrange equations

A Agila, D Baleanu, R Eid… - Journal of Vibration and …, 2018 - journals.sagepub.com
The behaviors of some vibrating dynamic systems cannot be modeled precisely by means of
integer representation models. Fractional representation looks like it is more accurate to …

Comparative study on a single-story RCC frame with large and small-scale magnetorheological damper subjected to seismic excitation

SV Sharma, G Hemalatha, E Arunraj, C Daniel… - Structures, 2023 - Elsevier
The magnetorheological fluid damper (MRD) is a commonly employed semi-active damping
mechanism. The utilisation of this technology has the potential to mitigate the impact of …

Identification of Structural Damage and Damping Performance of a Mega-Subcontrolled Structural System (MSCSS) Subjected to Seismic Action

MM Shahzad, X Zhang, X Wang - Sustainability, 2022 - mdpi.com
Due to multiple degrees of freedom, evaluating high-rise buildings' seismic safety under
unpredictable seismic excitations is difficult. To address the issue that the damage …

Classical PID controller for semi-active vibration control of seismically excited structure using magneto-rheological damper

Kavyashree, HM Jagadisha, VS Rao… - Global Challenges in …, 2020 - Springer
In this paper, a Proportional Integral Derivative (PID) controller is designed to mitigate the
vibration response of the structure. The simulation is done for three degrees of freedom …

[PDF][PDF] Forward and inverse fuzzy magnetorheological damper models for control purposes

MA Eltantawie - ICGST-ACSE Journal, 2010 - academia.edu
The magnetorheological (MR) damper behavior is described by a set of nonlinear
differential equations, which are unsuitable in control applications. This paper illustrates the …

Optimum control system for seismic and aerodynamic flutter response of cable-stayed bridge using magnetorheological dampers

EK Mohamad, S Raafat, K Younis - Advanced Materials Research, 2011 - Trans Tech Publ
Control of cable-stayed bridge flutter for earthquake and aerodynamic hazard mitigation
represents a relatively new area of research. This paper proposes a new optimized smart …

Seismic performance of a semi-active MR damper improved by fuzzy control system

K Faraji - 2018 - spectrum.library.concordia.ca
Control systems play a crucial role in the operation of airplanes, robots and the new
generation of smart automobiles to improve their performance, safety and robustness …

[PDF][PDF] A study of multi-degree of freedom fractional order damped oscillatory system

A Agila, D Baleanu - Upb Sci Bul, 2018 - scientificbulletin.upb.ro
The fractional calculus is a promising applied mathematical tool to different disciplines.
Some dynamic systems can be precisely represented as fractional systems due to their …

[PDF][PDF] Implementation of active force control to reduce vibration displacement in active mass damper during seismic activity

MA Salim - Journal of Instrument, 2011 - researchgate.net
High structure in this world are using damper as a vibration controller device. The vibration
control in a building is very important due to the public safety. In this study, Active Mass …