Constrained Discrete Model Predictive Control of a Greenhouse Relative Humidity Hafsa Hamidane, Samira El Faiz, Abdeslam Lachhab, Mohammed Guerbaoui and Abdelali Ed-Dahhak E3S Web Conf., 229 (2021) 01001 Published online: 25 January 2021 DOI: 10.1051/e3sconf/202122901001