Zobrazeno 1 - 8
of 8
pro vyhledávání: '"János Hegedüs"'
Publikováno v:
Applied Sciences, Vol 14, Iss 16, p 7186 (2024)
In this paper, a novel method is presented to estimate the parameters of the SPICE-like multi-domain model of light-emitting diode (LED) chips developed and proposed by the Delphi4LED project. The proposed estimation algorithm employs a modified Neld
Externí odkaz:
https://doaj.org/article/dbf4aa1833094c99a69aad5e45f63dc7
Publikováno v:
Energies, Vol 13, Iss 16, p 4051 (2020)
Large area multi-chip LED devices, such as chip-on-board (CoB) LEDs, require the combined use of chip-level multi-domain compact LED models (Spice-like compact models) and the proper description of distributed nature of the thermal environment (the C
Externí odkaz:
https://doaj.org/article/52d22739aceb49829de494c898f301c4
Publikováno v:
Energies, Vol 13, Iss 13, p 3370 (2020)
The advantages of light emitting diodes (LEDs) over previous light sources and their continuous spread in lighting applications is now indisputable. Still, proper modelling of their lifespan offers additional design possibilities, enhanced reliabilit
Externí odkaz:
https://doaj.org/article/b3b4ff2261a946bd967d7b35b2a25311
Publikováno v:
Energies, Vol 12, Iss 10, p 1909 (2019)
This paper presents our approaches to chip level multi-domain LED (light emitting diode) modelling, targeting luminaire design in the Industry 4.0 era, to support virtual prototyping of LED luminaires through luminaire level multi-domain simulations.
Externí odkaz:
https://doaj.org/article/b67de21865c34abb8e6cd1d8fff16479
The ability to dim LEDs is a big advantage compared to previous light sources, but it can also lead to new aging mechanisms. Due to the different coefficients of thermal expansion of the individual structural layers, the temperature cycle can negativ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::402254d518608a3e04f98c0392d1589c
https://zenodo.org/record/8023253
https://zenodo.org/record/8023253
Real-time data visualization of welding robot data and preparation for future of digital twin system
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-10 (2024)
Abstract The application of industrial technologies is undergoing significant changes. Finding the level at which to use efficient cyberphysical systems is perhaps one of the most important technical preparatory tasks in implementing digital manufact
Externí odkaz:
https://doaj.org/article/36746dc4a570424fbff3c25d531a6b33
Publikováno v:
Materials, Vol 17, Iss 7, p 1643 (2024)
LEDs (Light-Emitting Diodes) are widely applied not only in decorative illumination but also in everyday lighting in buildings, flats, public areas, and automotive fields. These application areas often mean harsh environments, for example, regarding
Externí odkaz:
https://doaj.org/article/543e17b6ab2245fa9a502804726ef88d
Publikováno v:
Sensors, Vol 23, Iss 5, p 2503 (2023)
This paper describes a framework for detecting welding errors using 3D scanner data. The proposed approach employs density-based clustering to compare point clouds and identify deviations. The discovered clusters are then classified according to stan
Externí odkaz:
https://doaj.org/article/856ed1a141cf4b828570310a886b121a