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A comparison of bio-inspired optimization methodologies applied to the tuning of industrial controllers
(2016-11-09)
A comparison of different bio-inspired methods is presented for the problem of tuning the
parameters of a PID industrial controller for second order plus time delay plants. The compared algorithms are representative of ...
Yield and fruit size distribution of processing tomato cultivars
(2004-05-31)
The productivity and fruit size distribution of 28 processing tomato cultivars were analyzed to determine the ones with potential for fresh market. The experiment was done in Jaboticabal-SP, Brazil (21o15'22'' South, ...
Identification of foliar diseases in cotton crop
(2012-02-13)
The pathogens manifestation in plantations are the largest cause of damage in several cultivars, which may cause increase of prices and loss of crop quality. This paper presents a method for automatic classification of ...
Influence of adding iron-steel waste materials on hot metal quality
(2008-12-01)
Hazardous waste materials, notably industrial ones, are of particular concern, inasmuch as if they are not dealt with adequately, they may pose a serious threat to the environment. In this connection, those industries which ...
Biomass production and chemical composition of essential oil of Piper callosum as affected by spacing in Manaus, Amazonas State, Brazil
(2011-12-31)
The family Piperaceae contains nearly 2000 species, most of them distributed in two genera, Piper and Peperomia. In Brazil circa 170 Piper species are found, mainly in tropical areas Their use ranges from flavoring and ...
Providing Flexibility in Distribution Systems by Electric Vehicles and Distributed Energy Resources in the Context of Technical Virtual Power Plants
(2021-01-01)
In the recent past structural changes in the operation and topology of the electrical system have occurred. These changes have coincided with the emergence of distributed energy resources (DERs). Relating to supply side ...
Optimal design of PI controllers for simple SITO plants. Cases study
(2014)
In this paper an optimal PI design approach is developed and illustrated for the
control of plants with one input and two outputs (SITO). The idea is applied to simple discretetime
SITO plants amenable to be stabilized ...
Portable system for monitoring and recording multivariate workplace environmental variables in hydroelectric power plants
(Ieee, 2014-01-01)
This paper presents research and development results of a prototype portable system designed for monitoring and recording HPP (Hydroelectric Power Plant) workplace environment data (noise, vibration, pressure, temperature, ...
Portable system for monitoring and recording multivariate workplace environmental variables in hydroelectric power plants
(2014-03-12)
This paper presents research and development results of a prototype portable system designed for monitoring and recording HPP (Hydroelectric Power Plant) workplace environment data (noise, vibration, pressure, temperature, ...
Evaluation of antimicrobial activity of extracts of medicinal plants on three tomato phytopathogens
(2002-02-27)
Antimicrobial activity of 45 extracts of medicinal plants were tested on Xanthomonas campestris pv. vesicatoria, Ralstonia solanacearum and Clavibacter michiganense subsp. michiganense. Some assays were done to verify the ...