Results 71 to 80 of about 46,408 (179)

Energy-based Hamiltonian approach in H∞ controller design for n-degree of freedom mechanical systems

Systems Science & Control Engineering, 2019
This paper studies the energy-based approach for ${H_\infty } $ controller design of $n $-degree of freedom mechanical systems. In this approach, the Hamiltonian function, which is the sum of kinetic and potential energies of the system, is considered as
M. Karimi, T. Binazadeh
doaj   +1 more source

On the Extension of Mesh‐Distortion‐Insensitive Petrov‐Galerkin Finite Element Formulations to Linear Elastodynamics

International Journal for Numerical Methods in Engineering, Volume 127, Issue 14, 30 July 2026.
ABSTRACT Numerous mesh‐distortion‐insensitive Petrov‐Galerkin finite element formulations have been developed for the simulation of elastostatic problems. This contribution presents initial results on how these formulations can be extended to linear elastodynamics. In this context, three different approaches are examined, building upon an established 8‐
Felix Zähringer, Peter Betsch
wiley   +1 more source

A class of port-controlled Hamiltonian systems [PDF]

, 2005
In this paper, we examine a particular class of port-controlled Hamiltonian systems for which the equations can be written in a form that is very similar to the equations of a linear passive system.
Weiss, G.,, Weiss, G., Jayawardhana, B.; id_orcid, Jayawardhana, B.,, Jayawardhana, B.   +4 more
core   +1 more source

Optical Phased Arrays on Photonic Integrated Circuit Platforms: Challenges, Opportunities, and Future Applications

Nanophotonics, Volume 15, Issue 14, 27 July 2026.
Integrated optical phased arrays are emerging as scalable engines for solid‐state beam steering and programmable wavefront control. This Review maps the field from beam‐steering principles and core building blocks to material platforms, system‐level bottlenecks, and application frontiers, highlighting how heterogeneous integration, aperiodic ...
Jingwei Li, Yuyuan Han, Aoxiang Chen, Pengpeng Li, Xinglin Zhu, Guanbao Zhao, Luohan Peng, Huaibin Zheng   +7 more
wiley   +1 more source

Linear Hamiltonian behaviors and bilinear differential forms [PDF]

, 2004
We study linear Hamiltonian systems using bilinear and quadratic differential forms. Such a representation-free approach allows us to use the same concepts and techniques to deal with systems isolated from their environment and with systems subject to ...
Rapisarda, P., Trentelman, H.L., Trentelman, H.L.,, Rapisarda, P, Rapisarda, P.,, Trentelman, HL, Rapisarda, Paolo, Trentelman, Harry L.   +7 more
core   +1 more source

Linear Boundary Port Hamiltonian Systems defined on Lagrangian submanifolds [PDF]

, 2020
Recently Port Hamiltonian systems have been extended to encompass an implicit definition of the energy function of the system, by defining it in terms of a Lagrangian submanifold.
van der Schaft, Arjan; id_orcid, Maschke, Bernhard, van der Schaft, Arjan   +2 more
core   +1 more source

Citizen science deepens the ecological and climatic dimensions of mosquito surveillance

Ecography, Volume 2026, Issue 7, July 2026.
As mosquito‐borne diseases continue to expand worldwide, integrating citizen science into vector surveillance presents untapped potential. This study compares ecological models of Aedes albopictus, an invasive mosquito and global vector of dengue and other arboviruses, in Spain (2020–2022), using two contrasting data sources: traditional traps and ...
Catuxa Cerecedo‐Iglesias, John R. B. Palmer, Frederic Bartumeus   +2 more
wiley   +1 more source

Explicit simplicial discretization of distributed-parameter port-Hamiltonian systems [PDF]

, 2014
Simplicial Dirac structures as finite analogues of the canonical Stokes–Dirac structure, capturing the topological laws of the system, are defined on simplicial manifolds in terms of primal and dual cochains related by the coboundary operators.
Seslija, Marko,, Scherpen, Jacquelien M.A.,, van der Schaft, Arjan; id_orcid, Schaft, Arjan van der, van der Schaft, Arjan, Scherpen, Jacquelien M.A., Seslija, Marko, Schaft, Arjan van der,   +7 more
core   +1 more source

Adaptive Control of Fuel Cell Converter Based on a New Hamiltonian Energy Function for Stabilizing the DC Bus in DC Microgrid Applications

Mathematics, 2020
DC microgrid applications include electric vehicle systems, shipboard power systems, and More Electric Aircraft (MEA), which produce power at a low voltage level.
Phatiphat Thounthong, Pongsiri Mungporn, Serge Pierfederici, Damien Guilbert, Nicu Bizon   +4 more
doaj   +1 more source

Strong Mode Coupling and Maximum Directional Absorption in Reciprocal Bianisotropic Metasurfaces

Nanophotonics, Volume 15, Issue 12, 25 June 2026.
Symmetry breaking in q‐BIC dielectric metasurfaces enables strong electromagnetic coupling between electric and magnetic modes, leading to their hybridization and Rabi‐like splitting. This mechanism produces pronounced reciprocal bianisotropy and dual‐band asymmetric absorption under opposite illumination directions, offering a compact framework for ...
L. M. Máñez‐Espina, B. Amrahi, V. S. Asadchy, A. Díaz‐Rubio   +3 more
wiley   +1 more source