Results 1 to 10 of about 9,436,648 (214)

An Overview on Irreversible Port-Hamiltonian Systems [PDF]

Entropy, 2022
A comprehensive overview of the irreversible port-Hamiltonian system’s formulation for finite and infinite dimensional systems defined on 1D spatial domains is provided in a unified manner.
Hector Ramirez, Yann Le Gorrec
doaj   +7 more sources

Modeling and Control Design of Port-Hamiltonian Systems in Discrete-Time [PDF]

Entropy
This paper aims to describe a synthesis procedure for discrete-time, energy-based regulators for continuous-time port-Hamiltonian systems. The methodology consists of three steps.
Alessandro Macchelli
doaj   +2 more sources

Research on rehabilitation robot control based on port-Hamiltonian systems and fatigue dissipation port compensation [PDF]

Frontiers in Bioengineering and Biotechnology
IntroductionUpper-limb rehabilitation robots have been demonstrated to effectively promote motor recovery in stroke patients. However, in active training modes, control instability may be induced by the nonlinear and time-varying characteristics of ...
Jingjing Li, Zhen Chen, Zhen Chen, Jian Li, Hongyu Yan, Zhen Li, Minshan Feng, Minshan Feng, Jiawen Zhan, Liwei Shao   +9 more
doaj   +2 more sources

From Dirac Structures to Port-Hamiltonian Partial Differential Equations, a Tutorial Introduction [PDF]

Entropy
In this paper, we discuss the geometric structure, i.e., Dirac structure, underlying port-Hamiltonian systems. The paper has a tutorial character, and thus it contains questions/exercises.
Hans Zwart
doaj   +2 more sources

Transparent Topological Meta-Diplexer via Tightly Confined Valley Surface States. [PDF]

Adv Sci (Weinh)
An optically transparent topological metasurface supporting tightly confined valley surface states enables robust and flexible wave routing in an ultrathin platform. A compact transparent meta‐diplexer with spatially and spectrally separated channels is realized, while communication experiments verify high‐fidelity signal transmission, opening new ...
Li S, Li P, Lan Z, Li Y, Wong H, Chen MLN.   +5 more
europepmc   +2 more sources

Port-Hamiltonian framework in power systems domain: A survey

Energy Reports, 2023
Many nonlinear physical phenomena, including various power systems, can be modeled, analyzed, and controlled using the framework of port-Hamiltonian systems.
Maris Tõnso, Vadim Kaparin, Juri Belikov   +2 more
doaj   +1 more source

Structure-preserving model reduction for port-Hamiltonian systems based on separable nonlinear approximation ansatzes

Frontiers in Applied Mathematics and Statistics, 2023
We discuss structure-preserving model order reduction for port-Hamiltonian systems based on a nonlinear approximation ansatz which is linear with respect to a part of the state variables of the reduced-order model.
Philipp Schulze
doaj   +1 more source

A Reversible Hydropump–Turbine System

Applied Sciences, 2022
Water-pumped storage systems have become an ideal alternative to regulate the intermittent power delivered by renewable energy sources. For small-scale operations, a type of centrifugal pump coupled to asynchronous machines represents an adequate ...
Luis Miguel Esquivel-Sancho, Mauricio Muñoz-Arias, Hayden Phillips-Brenes, Roberto Pereira-Arroyo   +3 more
doaj   +1 more source

Robust Fault-Tolerant Control for Stochastic Port-Hamiltonian Systems against Actuator Faults

Mathematics, 2022
Exploiting the stochastic Hamiltonian structure, this paper investigates the robust fault-tolerant control (FTC) for stochastic port-Hamiltonian systems (SPHSs) with actuator faults.
Song Xu, Wei Wang, Sheng-Yuan Chen
doaj   +1 more source

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

IEEE 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, Pedro J. Zufiria, Luis J. Yebra   +2 more
doaj   +1 more source