[1] Univ Rovira & Virgili, Dept Engn Elect Elect & Automat, Escola Tecn Super Engn, Grp Automat & Elect Ind, E-43007 Tarragona, Spain
[2] Ctr Res & Technol Hellas, Chem Proc Engn & Energy Resources Inst, Lab Proc Syst Design & Implementat, Thermi 57001, Greece
[3] Univ Western Australia, Sch Elect Elect & Comp Engn, Perth, WA 6009, Australia
[4] Univ Michigan, Dept Elect Engn & Comp Sci, Ann Arbor, MI 48109 USA