Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Petko Mashkov"'
Publikováno v:
2020 XXIX International Scientific Conference Electronics (ET).
The aim of this study is to develop a method for controlling an LED lighting system without feedback, in which the spectral characteristics of the luminous flux mimic the daily changes of summer sunshine. At the same time, the spectral composition of
Publikováno v:
2019 IEEE XXVIII International Scientific Conference Electronics (ET).
The main purpose of this research is to investigate the applicability of multi-color photodetectors for controlling the spectral distribution of LED lighting. Spectral sensitivity of various sensors in the visible region was investigated. An assessme
Publikováno v:
2018 IEEE XXVII International Scientific Conference Electronics - ET.
The main purpose of this work is to investigate the operation of LEDs in a horticulture luminaire powered by high voltage alternating power supply. Various possibilities for realization of such a luminaire, the necessary modes of operation for obtain
Publikováno v:
2017 XXVI International Scientific Conference Electronics (ET).
In the present study a method for managing therapeutic purposes LED lamp is shown. The main goal is to facilitate the potential user (e.g. medical practitioner) in configuring appropriate parameters such as correlated color temperature (CCT) and lumi
Publikováno v:
2017 XXVI International Scientific Conference Electronics (ET).
The purpose of this work is design an energy-efficient LED lamp suitable for investigations in greenhouse production. The spectral characteristics of the lamp are consistent with the results of the latest research in this area. Possibilities for inde
Publikováno v:
Environment. Technology. Resources. Proceedings of the International Scientific and Practical Conference; Vol 3 (2017): Environment. Technology. Resources. Proceedings of the 11th International Scientific and Practical Conference. Volume 3; 207-212
The goal of this work is research and development of light sources suitable for use in hospitals, nursing homes, hospices and other similar institutions. During the day spectral power distribution (SPD) of this type luminaire needs to simulate natura
Publikováno v:
2017 40th International Spring Seminar on Electronics Technology (ISSE).
The main objective of this work is design and investigations of a lamp with controllable spectral and power characteristics suitable for illumination of premises intended mainly for elderly people. With the advancement of modern science and medicine,
Publikováno v:
2017 40th International Spring Seminar on Electronics Technology (ISSE).
The aim of this work is related to the development of efficient, low-cost active LED cooling systems for industrial applications in horticulture, poultry housings, dairy farms and others. Investigations and comparative analysis of different variants
Publikováno v:
2016 XXV International Scientific Conference Electronics (ET).
Investigations in this work are connected with the design and thermal management of LED lamp with spectral characteristics suitable for dairy barns. Spectral power distribution (SPD), optimal for dairy cows is achieved by combinations of LEDs with di
Publikováno v:
2016 19th International Symposium on Electrical Apparatus and Technologies (SIELA).
The aim of this work is investigating the possibilities for creation of energy effective LED modules with special spectral characteristics and radiant flux, suitable for greenhouse applications. Combinations of different types of LEDs and LED modules