Results 21 to 30 of about 39,101 (206)

Port-Hamiltonian fluid–structure interaction modelling and structure-preserving model order reduction of a classical guitar

open access: yesMathematical and Computer Modelling of Dynamical Systems, 2023
A fluid–structure interaction model in a port-Hamiltonian representation is derived for a classical guitar. After discretization, we combine the laws of continuum mechanics for solids and fluids within a unified port-Hamiltonian (pH) modelling approach ...
Johannes Rettberg   +6 more
doaj   +1 more source

Exergetic port-Hamiltonian systems: modelling basics [PDF]

open access: yesMathematical and Computer Modelling of Dynamical Systems, 2021
Port-Hamiltonian systems theory provides a structured approach to modelling, optimization and control of multiphysical systems. Yet, its relationship to thermodynamics seems to be unclear. The Hamiltonian is traditionally thought of as energy, although its meaning is exergy. This insight yields benefits: 1. Links to the GENERIC structure are identified,
Lohmayer, Markus   +2 more
openaire   +2 more sources

Port-Hamiltonian Modeling of Multiphysics Systems and Object-Oriented Implementation With the Modelica Language

open access: yesIEEE Access, 2020
In this article we present the implementation in Modelica language of a library with the fundamental components for modeling a wide variety of multiphysics systems.
Francisco M. Marquez   +2 more
doaj   +1 more source

Time-domain Dynamic State Estimation for Unbalanced Three-phase Power Systems

open access: yesJournal of Modern Power Systems and Clean Energy, 2023
In this paper, we present a time-domain dynamic state estimation for unbalanced three-phase power systems. The dynamic nature of the estimator stems from an explicit consideration of the electromagnetic dynamics of the network, i.e., the dynamics of the ...
Martin Pfeifer   +5 more
doaj   +1 more source

A Rosenbrock framework for tangential interpolation of port-Hamiltonian descriptor systems

open access: yesMathematical and Computer Modelling of Dynamical Systems, 2023
We present a new structure-preserving model order reduction (MOR) framework for large-scale port-Hamiltonian descriptor systems (pH-DAEs). Our method exploits the structural properties of the Rosenbrock system matrix for this system class and utilizes ...
Tim Moser, Boris Lohmann
doaj   +1 more source

Reinforcement Learning for Port-Hamiltonian Systems [PDF]

open access: yesIEEE Transactions on Cybernetics, 2015
submitted
Olivier, Sprangers   +3 more
openaire   +3 more sources

Optimal Robustness of Port-Hamiltonian Systems [PDF]

open access: yesSIAM Journal on Matrix Analysis and Applications, 2020
We construct optimally robust port-Hamiltonian realizations of a given rational transfer function that represents a passive system. We show that the realization with a maximal passivity radius is a normalized port-Hamiltonian one. Its computation is linked to a particular solution of a linear matrix inequality that defines passivity of the transfer ...
Mehrmann, Volker, Van Dooren, Paul
openaire   +3 more sources

Geometric Modeling for Control of Thermodynamic Systems

open access: yesEntropy, 2023
This paper discusses the way that energy and entropy can be regarded as storage functions with respect to supply rates corresponding to the power and thermal ports of the thermodynamic system. Then, this research demonstrates how the factorization of the
Arjan van der Schaft
doaj   +1 more source

Geometric Scattering in Robotic Telemanipulation [PDF]

open access: yes, 2002
In this paper, we study the interconnection of two robots, which are modeled as port-controlled Hamiltonian systems through a transmission line with time delay. There will be no analysis of the time delay, but its presence justifies the use of scattering
Mashke, Bernhard   +3 more
core   +5 more sources

Port-Hamiltonian Systems Theory and Monotonicity

open access: yesSIAM Journal on Control and Optimization, 2023
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
M. K. Camlibel, A. J. van der Schaft
openaire   +2 more sources

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