Showing papers in "Journal of Vibration and Control in 2021"
TL;DR: In this paper, the first research on the frequency analysis of a graphene nanoplatelet composite circular microplate in the framework of a numerical-based generalized differential quadrature method is presented.
Abstract: This is the first research on the frequency analysis of a graphene nanoplatelet composite circular microplate in the framework of a numerical-based generalized differential quadrature method. Stres...
80 citations
TL;DR: The tuned mass damper is one of the most popular structural vibration suppression techniques as mentioned in this paper. But its performance has not yet reached the state-of-the-art of the art.
Abstract: To date, considerable attention has been paid to the development of structural vibration suppression techniques. Among all vibration suppression devices and techniques, the tuned mass damper is one...
53 citations
TL;DR: In this article, the dynamic response of a typical umbrella membrane structure under heavy rainfall load was studied by experimental and numerical methods, and the experiment was conducted in three rainfalls of three rain events.
Abstract: In this study, dynamic response of a typical umbrella membrane structure under heavy rainfall load is studied by experimental and numerical methods. In the experiment, heavy rainfalls of three rain...
52 citations
TL;DR: A comprehensive numerical dynamic model of a flexible-rotor bearing system based on the Hertzian and cubic polynomial nonlinear contact force methods is proposed, which can predict the dynamics and prevent the system failures during the design processing of rotor system.
Abstract: This work proposes a comprehensive numerical dynamic model of a flexible-rotor bearing system based on the Hertzian and cubic polynomial nonlinear contact force methods. The model can consider the ...
44 citations
TL;DR: Curved metro lines currently account for a significant proportion of total route mileage, but the existing prediction model of environmental vibration only considered the vibration induced by curvature, according to a previous study.
Abstract: Curved metro lines currently account for a significant proportion of total route mileage. However, the existing prediction model of environmental vibration only considered the vibration induced by ...
37 citations
TL;DR: In this paper, a computational method for the solution of the fractional optimal control problems subject to fractional systems with equality and inequality constraints is presented, and the proposed procedure is shown to be efficient.
Abstract: This study presents a computational method for the solution of the fractional optimal control problems subject to fractional systems with equality and inequality constraints. The proposed procedure...
31 citations
TL;DR: In this article, a numerical approach based on shifted Legendre polynomials for solving a class of fractional optimal control problems is presented, and the derivative is described in the Atangana-Balea (AB) calculus.
Abstract: In this work, we present a numerical approach based on the shifted Legendre polynomials for solving a class of fractional optimal control problems. The derivative is described in the Atangana–Balea...
31 citations
TL;DR: The new optimized model based on ResNet has been proposed with layer-by-layer dimension reduction of the feature maps and achieves the best accuracy rate in the classification task and the lowest root mean squared error in the prediction task.
Abstract: Machine health monitoring has become increasingly important in modern manufacturers because of its ability to reduce downtime of the machine and cut down the production cost. Enormous signals acqui...
31 citations
TL;DR: The displacement mitigation mechanism is established by deriving a fundamental equation, designated as the displacement demand equation, which yields an effective design method that is suitable for the inerter-based isolation system and has a clear physical basis.
Abstract: The inerter-based isolation system, which comprises an inerter, a dashpot, and a spring, has been shown to be effective for improving the dynamic performance of isolated structures. However, the un...
27 citations
TL;DR: In this paper, a new fractional sliding mode controller based on nonlinear fractional-order proportional integral derivative controllers was proposed to synchronize fractional order chaotic systems with unweighted sliding mode controllers.
Abstract: This study presents a new fractional sliding mode controller based on nonlinear fractional-order proportional integral derivative controllers to synchronize fractional-order chaotic systems with un...
24 citations
TL;DR: In this article, the problem of analysis and optimization of inerter-based systems is addressed, where the authors propose a series-paralgebraic approach to the problem.
Abstract: This study is concerned with the problem of analysis and optimization of inerter-based systems. A main inerter system is generally composed of an inerter, a spring, and viscous damper. Series–paral...
TL;DR: In this paper, a nonlinear stiffness and nonlinear inertial vibration isolator is proposed, which consists of an inerter, a damper, and spring elements, and the stiffness characteristic is achi...
Abstract: A nonlinear stiffness and nonlinear inertial vibration isolator is proposed in this article. It consists of an inerter, a damper, and spring elements. The nonlinear stiffness characteristic is achi...
TL;DR: In this paper, a comprehensive study is conducted on the free vibration analysis of rotating truncated conical shells reinforced with functionally graded agglomerated carbon nanotubes, and the results show that the shell is robust to free vibration.
Abstract: In this article, a comprehensive study is conducted on the free vibration analysis of rotating truncated conical shells reinforced with functionally graded agglomerated carbon nanotubes The shell i...
TL;DR: In this paper, a fractional-order nonsingular terminal sliding mode controller via a finite-time disturbance observer for a class of mismatched uncertain nonlinear systems is proposed.
Abstract: This study investigates a novel fractional-order nonsingular terminal sliding mode controller via a finite-time disturbance observer for a class of mismatched uncertain nonlinear systems. For this ...
TL;DR: A comprehensive review of technologies and approaches for active safety systems designed to reduce ground vehicle crashes, as well as the associated severity of injuries and fatalities, is provided.
Abstract: A comprehensive review of technologies and approaches for active safety systems designed to reduce ground vehicle crashes, as well as the associated severity of injuries and fatalities, is provided...
TL;DR: This study proposes a vibration identification method based on a convolutional neural network that helps to optimize the linear quadratic regulator algorithm by selecting corresponding optimal parameters according to the identification results, thereby achieving the objective of optimal control subjected to various types of vibration inputs.
Abstract: An efficient vibration control can reduce negative effects induced by environmental vibrations and thereby improve the performance of precision instruments and the qualities of manufacture. The per...
TL;DR: In this paper, it has been proved that using pure nonlocal elasticity, especially in differential form, leads to inconsistent and unreliable results and therefore, to obviate these weaknesses, Eringen's two-phase lo...
Abstract: It has been proved that using pure nonlocal elasticity, especially in differential form, leads to inconsistent and unreliable results. Therefore, to obviate these weaknesses, Eringen’s two-phase lo...
TL;DR: The nonlocal strain gradient theory, when combined with the first-order shear deformation theory, provides many capabilities in size-dependent structures as discussed by the authors, and the aim of the present study is evaluation.
Abstract: The nonlocal strain gradient theory, when combined with the first-order shear deformation theory, provides many capabilities in size-dependent structures. The aim of the present study is evaluation...
TL;DR: In this article, the authors studied the thermoelastic vibration of a viscoelastic microbeam resting on the Winkler foundation using the fractional-order theory. But they did not describe the damping of the microbeam.
Abstract: In the current investigation, the thermoelastic vibration of a viscoelastic microbeam resting on the Winkler foundation is studied using the fractional-order theory. To describe the damping of the ...
TL;DR: In this paper, size-dependent nonlinear forced vibration of viscoelastic/flexoelectric nanobeams has been investigated by calculating enthalpy and kinetic energy and using Hamilton's principle.
Abstract: In this study, size-dependent nonlinear forced vibration of viscoelastic/flexoelectric nanobeams has been investigated. By calculating enthalpy and kinetic energy and using Hamilton’s principle, th...
TL;DR: In this paper, over-track buildings above metro depots that are part of the Shanghai subway system are investigated. But the authors focus on the use of land utilization challenges and the need for over track buildings above subway depots.
Abstract: Rapid growth and the urban development of Chinese megacity in recent decades have led to land utilization challenges and the need for over-track buildings above metro depots that are part of the su...
TL;DR: In this article, a nonsingular terminal sliding mode control method based on disturbance observer for the stabilization of the micro-electro-mechanical systems under lumped perturbation was proposed.
Abstract: The aim of this article is to design a nonsingular terminal sliding mode control method based on disturbance observer for the stabilization of the micro-electro-mechanical systems under lumped pert...
TL;DR: A combined feedback–feedforward adaptive regulator applied to an active vibration control tool holder platform to contain the effect of machining vibrations and shows a maximum reduction of the vibration amplitude by 43.7% at the critical frequency.
Abstract: This study presents a combined feedback–feedforward adaptive regulator applied to an active vibration control tool holder platform to contain the effect of machining vibrations. The proposed mechat...
TL;DR: The vibrational characteristics of tapered beams made of axially varying functionally gradients have been studied in this article, showing that the vibrational properties of these materials are similar to those of other materials that are commonly used in various engineering fields.
Abstract: Tapered beams constitute functionally graded materials that are widely used in various engineering fields The vibrational characteristics of tapered beams made of axially varying functionally grad
TL;DR: The proposed modified crow search algorithm–fuzzy logic control method shows comprehensive performance superiority over its competitors, that is passive-off, passive-on, on–off, linear quadratic regulator–clipped voltage law, and linear quadRatic Gaussian–clipping voltage law control strategies.
Abstract: Finding effective means of protecting structures from dynamic hazards is a challenging task and has gained increasing significance. As for the seismically excited adjacent structures, an intelligen...
TL;DR: In this article, the well-posedness of several common nonlocal models for higher-order refined shear deformation beams is studied, including strain-driven and stuctured beam models.
Abstract: In this article, the well-posedness of several common nonlocal models for higher-order refined shear deformation beams is studied. Unlike the case of classic beams models, both strain-driven and st...
TL;DR: It is established that the clearance between the cap and the bearing when it is fixed in the housing does not ensure the unambiguity of the bearing unit assembly, which results in a large variation in vibration levels compared with rigid and elastic fixation.
Abstract: The impact of the accuracy class of bearings, rotational speed, load, clearances, and fits on the vibration levels of electric motor bearing units is investigated The ways to reduce the vibrations
TL;DR: The mapping relationship between bridge deformations and running safety of trains is determined and the suggested upper thresholds of pier settlement, girder end rotation, and girder camber are suggested to satisfy the requirements of safety and riding comfort.
Abstract: Deformations of high-speed railways accumulate over time and affect the geometry of the track, thus affecting the running safety of trains This article proposes a new method to map the relationshi
TL;DR: The stability of the under-actuated tower crane system is analyzed using Lyapunov theory to guarantee the practical stability of error dynamics and the effectiveness and robustness against real system uncertainties.
Abstract: In this study, integral sliding mode control is proposed for tower cranes to ensure precise tracking of the desired position while reducing the oscillations of the payload The nonlinear robust con
TL;DR: A novel rapid reaching law is suggested with dynamic proof for providing the robustness during transient phase and the controller stability and convergence is mathematically analyzed using the Lyapunov theory.
Abstract: This article deals with a novel adaptive robust controller for uncertain nonlinear systems relying on a proportional–integral–derivative-type nonsingular fast terminal sliding mode control. In this...