Results 31 to 40 of about 329,929 (341)

UML Simulation of a Topology Configuration Model

open access: yesJournal of Telecommunications and Information Technology, 2012
The article presents the application of simulation methods for topological models to analyze and design information systems. By using UML extensions and the UAL language it is possible not only to build a topological model for software, but also to ...
Zbigniew Zieliński   +2 more
doaj   +1 more source

Periodic Topology Optimization of a Stacker Crane

open access: yesIEEE Access, 2019
The stacker crane is a long-and-thin structure with a large length-to-width ratio. It is difficult to obtain a topology configuration with good period properties using traditional optimization methods.
Hong-Yu Jiao   +4 more
doaj   +1 more source

ZPUC: A New Configuration of Single DC Source for Modular Multilevel Converter Applications

open access: yesIEEE Open Journal of the Industrial Electronics Society, 2020
Z packed U-cell (ZPUC) converter topology is presented in this paper as a new type of multilevel converter topology that can be operated in a single phase as well as in three-phase configurations while using a single DC source. Since each U-cell includes
Saeed Arazm, Kamal Al-Haddad
doaj   +1 more source

On the category of Euclidean configuration spaces and associated fibrations [PDF]

open access: yes, 2008
We calculate the Lusternik-Schnirelmann category of the k-th ordered configuration spaces F(R^n,k) of R^n and give bounds for the category of the corresponding unordered configuration spaces B(R^n,k) and the sectional category of the fibrations pi^n_k: F(
Roth, Fridolin
core   +2 more sources

Persistent Homology analysis of Phase Transitions [PDF]

open access: yes, 2016
Persistent homology analysis, a recently developed computational method in algebraic topology, is applied to the study of the phase transitions undergone by the so-called XY-mean field model and by the phi^4 lattice model, respectively.
De Nigris, Sarah   +6 more
core   +5 more sources

Complex quantum networks as structured environments: engineering and probing [PDF]

open access: yes, 2016
We consider structured environments modeled by bosonic quantum networks and investigate the probing of their spectral density, structure, and topology. We demonstrate how to engineer a desired spectral density by changing the network structure.
Galve, Fernando   +4 more
core   +2 more sources

Optimum topological configurations of sensor networks

open access: yesComputing in Construction, 2019
mportant task in the dynamic assessment of the mechanical systems and its role is central in structural health monitoring. All sensors have to be placed on the structure so that all sought system features be obtained from the experimental tests. Sensors network design is rather diffused in laboratory applications, but there are scarce investigations on
Greco R., Marano G. C.
openaire   +3 more sources

The mean-field phi4-model: entropy, analyticity, and configuration space topology [PDF]

open access: yes, 2005
A large deviation technique is applied to the mean-field phi4-model, providing an exact expression for the configurational entropy s(v,m) as a function of the potential energy v and the magnetization m.
Hahn, Ingo, Kastner, Michael
core   +1 more source

On the structure of spaces of commuting elements in compact Lie groups [PDF]

open access: yes, 2012
In this note we study topological invariants of the spaces of homomorphisms Hom(\pi,G), where \pi\ is a finitely generated abelian group and G is a compact Lie group arising as an arbitrary finite product of the classical groups SU(r), U(q) and Sp(k ...
Adem, Alejandro, Gómez, José Manuel
core   +1 more source

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