[1] Fed Univ Santa Catarina UFSC, Dept Automat & Syst DAS, Renewable Energy Res Grp GPER, Florianopolis, SC, Brazil
[2] Fed Univ Bahia UFBA, Dept Chem Engn DEQ, 02 Prof Aristides Novis St, BR-40210910 Salvador, BA, Brazil
[3] Univ Almeria, Dept Informat, CIESOL, Ctra Sacramento S-N, Almeria 04120, Spain