Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Heitor V. Mercaldi"'
Autor:
null Deniver Reinke Schutz, null Vilma A. Oliveira, null Heitor V. Mercaldi, null Elmer A. G. Penaloza, null Paulo E. Cruvinel
Publikováno v:
Procedings do XV Simpósio Brasileiro de Automação Inteligente.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c8232d63a41a6d57f03e5de498756e8b
https://doi.org/10.20906/sbai.v1i1.2672
https://doi.org/10.20906/sbai.v1i1.2672
Autor:
Paulo E. Cruvinel, Rafael A. Mariano, Vilma A. Oliveira, Heitor V. Mercaldi, Elmer A. G. Penaloza
Publikováno v:
IFAC-PapersOnLine. 50:6607-6612
This work deals with the problem of controlling the application rate from prescribed maps and regulating the pressure on the sprayer booms in precision agriculture. In spraying, the droplet size is related to the application quality which is affected
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::51424f7167ea18f1b3ba3fadc34cdf72
https://doi.org/10.1016/j.ifacol.2017.08.693
https://doi.org/10.1016/j.ifacol.2017.08.693
Publikováno v:
ECC
The quality of agricultural sprays plays an important role in the application of chemical products dedicated to plant protection and food production. In such context, the effects of nozzle type, standard and size, as well as the operating pressure sh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e3ef74286c9407ef5c3faa239df7f573
https://doi.org/10.23919/ecc.2019.8796237
https://doi.org/10.23919/ecc.2019.8796237
Autor:
Paulo E. Crubinel, Heitor V. Mercaldi, Kleber R. Felizardo, Vilma A. Oliveira, Brian L. Steward
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
Efficient control strategies can be used to avoid off-target application in the operation of variable rate application sprayers. The main processes involved in the operation of a variable rate application sprayer are the injection of chemical and its
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::503eb79062819b1abad4c3879f828be9
https://doi.org/10.13031/aea.32.10606
https://doi.org/10.13031/aea.32.10606
Autor:
Heitor V. MERCALDI, Caio H. FUJIWARA, Elmer A. G. PEŇALOZA, Vilma A. OLIVEIRA, Paulo E. CRUVINEL
Publikováno v:
Sensors & Transducers, Vol 193, Iss 10, Pp 1-10 (2015)
In the application of herbicides on the basis of direct injection systems, spraying response time plays an important role for the quality of spraying, particularly when operating in real time. The response time is defined as the time elapsed from the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::0aa9b9e16f3105738e5fafa6a4deceed
http://www.sensorsportal.com/HTML/DIGEST/october_2015/Vol_193/P_2729.pdf
http://www.sensorsportal.com/HTML/DIGEST/october_2015/Vol_193/P_2729.pdf
Publikováno v:
Proceedings XXII Congresso Brasileiro de Automática.
Neste trabalho e apresentado o projeto de um controlador preditivo generalizado com restricoesutilizando o algoritmo de Gauss-Seidel projetado (PGS, da sigla em ingles) com restricao na variavel de controle. O algoritmo PGS originalmente resolve o pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87e79da1e66abeac3259d7683358e87f
https://doi.org/10.20906/cps/cba2018-1021
https://doi.org/10.20906/cps/cba2018-1021
Autor:
Paulo E. Cruvinel, Heitor V. Mercaldi, Vilma A. Oliveira, Elmer A. G. Pealoza, Carlos A. J. Galdino Ferreira
Publikováno v:
ICSC
This paper presents the development of a speed control for a hydraulic pump based on automation and the use of the controller area network (CAN bus). As components of the project its result are considering the analysis of the level of automation achi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cd642041f10967a27a78a5df8d5aa1b8
https://doi.org/10.1109/icsc.2018.00073
https://doi.org/10.1109/icsc.2018.00073
Publikováno v:
ICSC
This paper presents a computational model that considers the relationship between operational and physical conditions of the spraying process in agriculture machinery. The model has as outputs the droplets mean diameter and the spray angle produced b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::366c81e2fc46b460a23a55fd3706bc2e
https://doi.org/10.1109/icsc.2016.79
https://doi.org/10.1109/icsc.2016.79
Publikováno v:
Proceeding Series of the Brazilian Society of Computational and Applied Mathematics.
A aplicacao localizada de agroqumicos em taxas variadas usando sistemas de pulverizacao cominjecao direta e uma importante ferramenta da agricultura de precisao no combate da infestacao de plantas daninhas. Sistemas de injecao direta possibilitam o u
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::31c17295fb4adda38712010f744f1e38
https://doi.org/10.5540/03.2013.001.01.0017
https://doi.org/10.5540/03.2013.001.01.0017
Publikováno v:
2013 8th EUROSIM Congress on Modelling and Simulation.
In this paper, a mathematical model for a variable-rate spraying system is developed. The spraying system uses direct injection technology which allow the of different chemicals in a single application, reducing the waste of chemicals and thereby min
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cb15bd86751eaf9a61afa6f99ef023c9
https://doi.org/10.1109/eurosim.2013.46
https://doi.org/10.1109/eurosim.2013.46