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Luminaire Digital Design Flow with Multi-Domain Digital Twins of LEDs

1
Signify, Hightech Campus 45, 5056AE Eindhoven, The Netherlands
2
Ingelux, 69120 Vaulx en Velin, France
3
Mentor, a Siemens Business, 81 Bridge Rd, Molesey, East Molesey KT8 9HH, UK
4
Department of Electron Devices, Budapest University of Technology and Economics; Magyar tudósok körútja 2, bldg. Q, 1117 Budapest, Hungary
5
Mentor, a Siemens Business, Mechanical Analysis Division, Gábor Dénes utca 2, 1117 Budapest, Hungary
*
Author to whom correspondence should be addressed.
This paper is an extended version of our paper published in the 2018 24rd International Workshop on Thermal Investigations of ICs and Systems (THERMINIC), Stockholm, Sweden, 26–28 September 2018.
Energies 2019, 12(12), 2389; https://doi.org/10.3390/en12122389
Received: 9 May 2019 / Revised: 15 June 2019 / Accepted: 18 June 2019 / Published: 21 June 2019
(This article belongs to the Special Issue Thermal and Electro-thermal System Simulation)
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Abstract

At present, when designing a Light Emitting Diode (LED) luminaire, different strategies of development are followed depending on the size of the company. Since on LED datasheets there is only limited information provided, companies designing LED luminaires spend a lot of effort gathering the required input of LED details to be able to design reliable products. Small and medium size enterprises (SMEs) do not have the bandwidth to gather such input and solely rely on empirical approaches leading to approximated luminaire designs, while larger companies use advanced hardware and software tools to characterize parts, design versions, and finally optimize all design steps. In both cases, considerable time and money is spent on prototyping, sampling, and laboratory testing. Digitalization of the complete product development (also known as Industry 4.0 approach) at all integration levels of the solid state lighting (SSL) supply chain would provide the remedy for these pains. The Delphi4LED European project aimed at developing multi-domain compact models of LED (for a consistent, combined description of electronic, thermal, and optical properties of LEDs) as digital twins of the physical products to support virtual prototyping during the design of luminaires. This paper provides an overview of the Delphi4LED approach aimed at supporting new, completely digital workflows both for SMEs and larger companies (Majors) along with some comparison with the traditional luminaire design. Two demonstration experiments are described: One to show the achievable benefits of the approach and another one to demonstrate the ease of use and ability to be accommodated in a larger scale product design for assessing design choices like e.g., number and type of LEDs versus electrical/thermal conditions and constraints, in a tool agnostic manner. View Full-Text
Keywords: LED digital twin; design flow; multi-domain compact model; tool agnostic; multi-LED LED digital twin; design flow; multi-domain compact model; tool agnostic; multi-LED
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Martin, G.; Marty, C.; Bornoff, R.; Poppe, A.; Onushkin, G.; Rencz, M.; Yu, J. Luminaire Digital Design Flow with Multi-Domain Digital Twins of LEDs. Energies 2019, 12, 2389.

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