Energy-based analysis of quadratically coupled double pendulum with internal resonances

Š Dyk, J Rendl, L Smolík, R Bulín - Journal of Sound and Vibration, 2024 - Elsevier
This article presents an energy-based method for examining the dynamics of an
autoparametric double pendulum with quadratic coupling. The method is based on …

Phase-tunable thermoelectricity in a Josephson junction

G Marchegiani, A Braggio, F Giazotto - Physical Review Research, 2020 - APS
Superconducting tunnel junctions constitute the units of superconducting quantum circuits
and are massively used both for quantum sensing and quantum computation. In previous …

A time-varying inertia pendulum: analytical modelling and experimental identification

A Bellino, A Fasana, E Gandino, L Garibaldi… - … Systems and Signal …, 2014 - Elsevier
In this paper two of the main sources of non-stationary dynamics, namely the time-variability
and the presence of nonlinearity, are analysed through the analytical and experimental …

Optimal control of robotic systems using finite elements for time integration of covariant control equations

JA Rojas-Quintero, J Villalobos-Chin… - IEEE Access, 2021 - ieeexplore.ieee.org
We used an optimal control method involving covariant control equations as optimality
conditions, to command the actuators of robot manipulators. These form a coupled system of …

Approximate solution of non-linear dynamic energy model for multiple effect evaporator using fourier series and metaheuristics

D Yadav, S Kumar, OP Verma, N Pachauri… - Korean Journal of …, 2021 - Springer
This article presents the approximate solution of non-linear dynamic energy model of
multiple effect evaporator (MEE) using Fourier series and metaheuristics. The dynamic …

Kalman filter-based longitudinal phase-space reconstruction method for hadron machines

D Alves, K Lasocha - Physical Review Accelerators and Beams, 2021 - APS
This work proposes a novel longitudinal phase-space reconstruction method for hadron
machines. The proposed method is based on a Kalman filter and can therefore provide real …

Models for dynamic analysis of backup ball bearings of an AMB-system

O Halminen, JF Aceituno, JL Escalona… - … Systems and Signal …, 2017 - Elsevier
Two detailed models of backup bearing are introduced for dynamic analysis of the
dropdown event of a rotor supported by an active magnetic bearing (AMB). The proposed …

Exploring oscillations with a nonlinear restoring force

SV Kontomaris, A Malamou - European Journal of Physics, 2021 - iopscience.iop.org
When exploring the oscillation of an object for small displacements from the equilibrium
position, the magnitude of the applied force is approximately considered to be proportional …

Fourier analysis of the non-linear pendulum

PF Hinrichsen - American Journal of Physics, 2020 - pubs.aip.org
With developments in modern instrumentation such as microelectromechanical
gyro/accelerometers, high speed video analysis, and precision shaft encoders, there is an …

Numerical solution for time period of simple pendulum with large angle

SS Abdulkareem, A Akgül, VJ Jalal, BM Faraj… - Thermal …, 2020 - doiserbia.nb.rs
In this study, the numerical solution of the ordinary kind of differential equation for a simple
pendulum with large-angle of oscillation was introduced to obtain the time period. The …