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Type: Artigo de periódico
Title: Thermal Comfort On Subtropical And Mediterranean Climate Analyzing Some Physiological Data Through Fuzzy Theory [conforto Térmico De Bovinos Leiteiros Confinados Em Clima Subtropical E Mediterrâneo Pela Análise De Parâmetros Fisiológicos Utilizando A Teoria Dos Conjuntos Fuzzy]
Author: Perissinotto M.
Moura D.J.
Cruz V.F.
de Souza S.R.L.
de Lima K.A.O.
Mendes A.S.
Abstract: The objective of this study was to model and evaluate, through fuzzy logic, the level of thermal comfort experienced by housed animals as a function of their physiologic variables of rectal temperature (RT) and breath rate (BR), and setting their critical thresholds. The database was setup using two distinct environments: Subtropical climate (São Pedro area, Brazil) and mediterranean climate (Évora area, Portugal). Holstein cows temperature and breath rates were obtained in order to build a physiologic parameters database. meteorological data of environment temperature and air relative humidity were obtained for physical analysis during a 24 hours interval every 30 minutes. Data minning techniques were used for the initial data analysis aiming to build a decision making three and the further construction of rule database. For that, the computational program WEKA® was used. The results obtained were applied for the fuzzy logic application, using the Fuzzy Logic Toolbox do MATLAB® 6.1 software, according to AMENDOLA et al. (2005b). The use of this tool allowed the establishment of thermal comfort parameters for total confined Holsteins cows.
Rights: aberto
Identifier DOI: 
Date Issue: 2009
Appears in Collections:Unicamp - Artigos e Outros Documentos

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