flicker effect
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2021 ◽  
Vol 869 (1) ◽  
pp. 012034
Author(s):  
R Rahayu ◽  
R W Fuah ◽  
R I Wahju ◽  
W Mawardi ◽  
I Agustina ◽  
...  

Abstract The horseshoe crab has the important roles as macrobenthos, but it is unfriendly for gillnets fisheries because it can damage the fishing net. The horseshoe crab is an ancient, rare, and protected animal so that the fishermen unable to utilize it, so the effort like mitigations need to be conducted like using red light LED. To avoid the learning behavior of horseshoe crab, so that the technology used is red light LED continuous then the red light led with flicker is used as a comparison. This study aims to determine the right type of red-light LED for horseshoe crab bycatch mitigation by the response pattern. The method used was a laboratory experiment. There are 20 adult horseshoe crabs used. The analysis used was descriptively comparative. The results showed that the red-light LED with flicker was most avoided by horseshoe crabs, which is 75%, while the fastest response of horseshoe crab in avoiding light was found in the light with a flicker effect of 22.97 seconds. Based on the horseshoe crab’s response, it can be concluded that the red LED light flicker is better than the red LED continuous as an alternative technology for the mitigation of horseshoe crab bycatch.


Electronics ◽  
2019 ◽  
Vol 9 (1) ◽  
pp. 53 ◽  
Author(s):  
Christian Brañas ◽  
Rosario Casanueva ◽  
Francisco J. Díaz ◽  
Francisco J. Azcondo

This paper presents the design and modeling of a two-phase resonant converter that drives a LED lamp with a high-frequency pulsed current free of instabilities and flicker effect, fulfilling the recommendations of the IEEE PAR 1789-2015, so that it enables visible light-based communication at a 10 kB/s bit rate. The dynamic study of the converter takes into consideration the effect of the reflected impedance of the output filter on the AC side. In order to evaluate the dynamic response of the converter, a Spice model is defined. A 120 W prototype intended for street lighting applications has been built to validate the analysis and modeling.


2019 ◽  
Vol 93 ◽  
pp. 103101
Author(s):  
Shenfei Chen ◽  
Weisheng Li ◽  
Songbai Yang ◽  
Bing Zhang ◽  
Tianyin Li ◽  
...  

2018 ◽  
Vol 18 (10) ◽  
pp. 294
Author(s):  
Sara Giovagnoli ◽  
Roberto Bolzani ◽  
Tony Pansell ◽  
Mariagrazia Benassi
Keyword(s):  

2018 ◽  
Vol 49 (1) ◽  
pp. 1744-1747
Author(s):  
Min Soo Park ◽  
Hyung-Jin Youn ◽  
Cheol-Soo Lee ◽  
Sang-Ho Yoon
Keyword(s):  

Author(s):  
Pengpeng Ni ◽  
Ragnhild Eg ◽  
Alexander Eichhorn ◽  
Carsten Griwodz ◽  
Pal Halvorsen
Keyword(s):  

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