Zobrazeno 1 - 10
of 122
pro vyhledávání: '"Arnaldo G Leal-Junior"'
Publikováno v:
Advanced Photonics Research, Vol 3, Iss 6, Pp n/a-n/a (2022)
This article presents a review of the fuse effect in polymer optical fibers (POFs) and its sensing applications. First, the propagation mechanisms and the characteristics of the POF fuse are discussed, showing that its optical threshold power and pro
Externí odkaz:
https://doaj.org/article/fdc9fb52df0b4464bc08bc731d8f2f3f
Autor:
Arnaldo G. Leal-Junior, Helder R. O. Rocha, Antreas Theodosiou, Anselmo Frizera, Carlos Marques, Kyriacos Kalli, Moises R. N. Ribeiro
Publikováno v:
IEEE Access, Vol 8, Pp 31983-31991 (2020)
We report the development of an optimization approach for diaphragm-embedded optical fiber sensors, which was applied on the pressure, force and liquid level assessment using chirped fiber Bragg gratings (CFBGs) inscribed in cyclic transparent optica
Externí odkaz:
https://doaj.org/article/19ea1407d97b49f7aaf93c8db291c631
The emergence of Industry 4.0 has brought new concepts to the factories that optimize and improve conventional processes. These technologies have brought assignments to the industrial robots that allow them to perform tasks faster and more precisely.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::66478dc8f38b061e106ade717b8a8ab2
http://hdl.handle.net/10773/38039
http://hdl.handle.net/10773/38039
Publikováno v:
Actuators, Vol 9, Iss 4, p 125 (2020)
The control of tendon-driven actuators is mainly affected by the tendon behavior under stress or strain. The measurement of these parameters on artificial tendons brings benefits on the control and novel approaches for soft robotics actuators. This p
Externí odkaz:
https://doaj.org/article/19cc71a3171e4e4399084bb0a7c24f4c
Publikováno v:
Remote Sensing, Vol 12, Iss 9, p 1439 (2020)
Recirculating aquaculture systems (RAS) are complex systems in which there is an interaction between the fish biomass and water chemistry, where small variations in the environment can lead to major effects in the production. Ammonia is one of the ke
Externí odkaz:
https://doaj.org/article/698efecf5e784059a30ee13f849ce3d6
Autor:
Eduardo Rocon, Anselmo Frizera, Gabriel Delgado, Leticia M. Avellar, Arnaldo G. Leal-Junior, Carlos Marques
Publikováno v:
IEEE Sensors Journal. 21:20078-20085
This paper presents a development of the smart garment instrumented with polymer optical fiber (POF) sensors to identify the impact location during a perturbation protocol for balance assessment. The sensor system installed on the smart garment consi
Autor:
Carlos Marques, Arnaldo G. Leal-Junior
Publikováno v:
IEEE Instrumentation & Measurement Magazine. 24:41-49
The whole world experienced in the last decades a continuous change in the age pyramid related to the population aging, where there is an increase in the elderly population (over 65 years) when compared with other age groups [1]. Such demographic cha
Autor:
Gabriel Delgado, Anselmo Frizera, Carlos Marques, Eduardo Rocon, Arnaldo G. Leal-Junior, Leticia M. Avellar
Publikováno v:
IEEE Sensors Journal. 21:13255-13262
This paper presents the development and the performance analysis of a force sensor using a novel high stretchable polymer optical fiber (POF) fabricated using the light polymerization spinning (LPS) fiber. The system consists of an LPS-POF fiber enca
Autor:
Arnaldo G. Leal-Junior, Carlos Marques
Publikováno v:
IEEE Sensors Journal. 21:12719-12733
In this article, we thoroughly discuss many aspects of diaphragm-embedded optical fiber sensors covering industrial, robotics and medical applications: from the modeling to field applications, which also include sensor fabrication (such as interferom
Autor:
Paulo Antunes, Moisés R. N. Ribeiro, Raphael A. G. dos Santos, Luis Pereira, Arnaldo G. Leal-Junior, João Henrique G. M. Corrêa, Paulo André, Maria José Pontes, Carlos Marques, Anselmo Frizera Neto, Eduardo A. Beninca
Publikováno v:
IEEE Sensors Journal. 21:9869-9876
Computing performance and hardware integrity are tightly linked to adequate thermal management in datacenters. In addition, a large share of its electricity bills comes from cooling systems, so there is a pressing need for enhanced thermal management