[PDF][PDF] Recent developments in pantograph-catenary interaction modelling and analysis

J Ambrosio, J Pombo, M Pereira, P Antunes… - International Journal of …, 2012 - academia.edu
High-speed railway overhead systems are subjected to tight functional requirements to
deliver electrical energy to trains while their reliability and maintenance periods have to be …

A new methodology to study the pantograph–catenary dynamics in curved railway tracks

P Antunes, J Ambrósio, J Pombo… - Vehicle System …, 2020 - Taylor & Francis
The pantograph–catenary system is responsible to provide an uninterrupted energy supply
to power electric traction railway vehicles. The analysis of the dynamic behaviour of the …

Parameter estimation of an electrochemistry-based lithium-ion battery model

R Masoudi, T Uchida, J McPhee - Journal of Power Sources, 2015 - Elsevier
Parameters for an electrochemistry-based Lithium-ion battery model are estimated using the
homotopy optimization approach. A high-fidelity model of the battery is presented based on …

Simultaneous assignment of resonances and antiresonances in vibrating systems through inverse dynamic structural modification

D Richiedei, I Tamellin, A Trevisani - Journal of Sound and Vibration, 2020 - Elsevier
This paper proposes a method for the concurrent assignment of resonance and
antiresonance frequencies in cross-receptances of undamped vibrating systems, by …

Multibody modeling and vibration dynamics analysis of washing machines

T Nygårds, V Berbyuk - Multibody System Dynamics, 2012 - Springer
In this paper a computational model of a horizontal axis washing machine is presented. The
model has been built using a theoretical-experimental methodology consisting of integration …

A homotopy transformation method for interval-based model updating of uncertain vibrating systems

D Richiedei, I Tamellin, A Trevisani - Mechanism and Machine Theory, 2021 - Elsevier
This paper proposes a novel indirect, two-stage approach for model updating in linear
vibrating systems, exploiting measured natural frequencies, antiresonances and uncertain …

Homotopy-based training of NeuralODEs for accurate dynamics discovery

JH Ko, H Koh, N Park, W Jhe - Advances in Neural …, 2023 - proceedings.neurips.cc
Abstract Neural Ordinary Differential Equations (NeuralODEs) present an attractive way to
extract dynamical laws from time series data, as they bridge neural networks with the …

Blind parameter identification of implicit differential equations using the collocation discretization and homotopy optimization methods

A Zhakatayev, N Avazov, H Najjar… - … and Machine Theory, 2024 - Elsevier
In this paper, our objectives are to estimate the moments of inertia and reconstruct the inputs
of a two-link pendulum that models a human arm. A blind parameter identification routine to …

Effect of contact wire gradient on the dynamic performance of the catenary pantograph system

S Hayes, DI Fletcher, AE Beagles… - Vehicle System …, 2021 - Taylor & Francis
This paper considers the interaction between a train mounted pantograph and a railway
overhead line, presenting results that could be used to reduce the cost of installing overhead …

Optimal design of vibrating systems through partial eigenstructure assignment

R Belotti, D Richiedei… - Journal of …, 2016 - asmedigitalcollection.asme.org
This paper proposes an inverse structural modification method for eigenstructure
assignment (EA), which allows to assign the desired mode shapes only at the parts of …