45,056 Result(s)
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English
Engineering
Vibration, Dynamical Systems, Control
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Article
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Neural adaptive dynamic surface control of an electro-hydraulic loading system for rail grinders
Electro-hydraulic loading system (EHLS) has been widely utilized in rail grinding industry for rail maintenance. Accurate tracking of the desired grinding force is critical to keep the rail surface at expected...
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Information feedback provokes multi-peak dynamics in the modern pandemic spreading
We propose a simple agent-based mathematical model of epidemic development capable of generating various multi-peak dynamic patterns typical of the COVID-19 pandemic. Each agent is assigned a very simple kind ...
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Backlash compensation based oscillation suppression control for automatic loading manipulator arm with nonlinear extended state observer
A servo system of automatic loading manipulator arm (ALMA) with backlash nonlinearity is investigated in this paper to suppress the limit cycle oscillation. To provide a more accurate representation of the sys...
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Insights on the performance and dynamical characteristics of piezoelectric energy harvesters with dissipative viscoelastic impacts
The effectiveness and dynamical characteristics of a cantilevered-piezoelectric energy harvester with a tip mass is investigated. The harvester is connected to an electrical load resistance and is subjected to...
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Research on vibration suppression of nonlinear energy sink with linear dam** and geometrically nonlinear dam**
Nonlinear energy sink (NES) is a passive control device that can absorb a wide band, and it has the advantages of lightweight and strong robustness, which can play a very important role in vibration suppressio...
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Compact hybrid type electronic neuron and computational model of its dynamics
We propose a Neurosimilator, novel analog neuron circuit and mathematical model of its dynamics that both simulate with high precision the spiking behavior of known types of excitable cells. The analog circuit...
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Symmetric multi-double-scroll attractors in Hopfield neural network under pulse controlled memristor
Investigating the chaotic dynamics in neural networks holds significant importance in elucidating brain-like neural activities and guiding brain-like learning. The multi-scroll chaos, due to its intricate topo...
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Dynamic analysis and circuit design of tunable multi-vortex chaotic systems based on memristors
This paper proposes a new four-dimensional chaotic system that consists of two active magnetically controlled memristors. The dynamic characteristics of the system, including equilibrium points, Lyapunov expon...
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Trajectory tracking control for uncertain underactuated surface vessels with guaranteed prescribed performance under stochastic disturbances
The environmental disturbances acting on marine surface vessels are naturally stochastic. The control performance may be seriously deteriorated if the stochastic sea loads are ignored in control design. In thi...
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A novel feature dimensionality reduction method for gearbox fault diagnosis with HMSDE, DANCo-DDMA and KELM
This paper proposes a gearbox fault diagnosis method with HMSDE, DANCo-DDMA and AOA-KELM. Firstly, the raw HMSDE features are extracted from the raw time domain signals, then, the intrinsic dimension of the HM...
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A non-identification adaptive backstep** approach to global output feedback tracking control of nonlinear systems with input quantization
A new output feedback control approach is proposed to address the global practical tracking issue for a class of nonlinear input-quantization systems with polynomial growth condition, which introduces a non-id...
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Neural network based position control of an underactuated flap** wing aircraft considering the aerodynamic dam**
The aerodynamic dam** induced by the body motion is significant in flap** wing aircraft due to the low Reynolds number flight and the flap** motion. It can influence the flight stability and is coupled w...
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Dynamical interaction between double pendulum and nonlinear sloshing in two cranes carrying a liquid tank
The interaction between the double pendulum and nonlinear sloshing in two cranes transporting a liquid tank corrupts the efficiency and safety of the cooperative transportation. Although significant work has b...
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Adaptive fault-tolerant control for a class of nonstrict-feedback nonlinear systems with unmodeled dynamics and dead-zone output using multi-dimensional taylor networks
This paper presents an adaptive fault-tolerant control method for nonstrict-feedback nonlinear systems with unmodeled dynamics and output dead-zone in the presence of actuator faults. A dynamic signal is used ...
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Bounded output feedback stabilization for nonlinear planar systems with unknown structures and measurements
This paper investigates the problem of globally bounded output feedback stabilization for a class of uncertain planar systems with unknown nonlinear structures and measurements. The key technique behind the pr...
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Open AccessEfficient path integral approach via analytical asymptotic expansion for nonlinear systems under Gaussian white noise
In this paper an efficient formulation of the Path integral (PI) approach is developed for determining the response probability density functions (PDFs) and first-passage statistics of nonlinear oscillators su...
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Regularization based reweighted estimation algorithms for nonlinear systems in presence of outliers
Outliers usually occur during industrial data collection process and can lead to poor system identification performance. This paper considers the parameter estimation probelm for Hammerstein nonlinear systems ...
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Visual double image encryption scheme based on multilayer complex networks and wavelet transform
This paper explores the synchronizability within a three-layer network, which has the feature of identical topologies across layers but with three different kinds of inner coupling patterns, namely, injective,...
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A semi-active quasi-zero-stiffness vibration isolation system through controllable lateral spring stiffness
In this work, a semi-active quasi-zero-stiffness (QZS) vibration isolation system with controllable lateral springs was proposed and its practical vibration isolation effectiveness was demonstrated through the...
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A predator–prey model with prey refuge: under a stochastic and deterministic environment
This study aims to thoroughly investigate the dynamics of a predator–prey model with a Beddington-De Angelis functional response. We assume that the prey refuge is proportional to both species. We establish th...
