Hybrid Model Predictive Control as a LFC solution in Hydropower Plants Emerson Donaisky, Gustavo H. C. Oliveira, Eduardo A. P. Santos, Gideon V. Leandro, Adinã M. Pena and João A. Souza MATEC Web of Conferences, 35 (2015) 03002 Published online: 16 December 2015 DOI: 10.1051/matecconf/20153503002