An Unknown Input Observer for Non-Linear Time Delay System. - Ikram Triki; Ramzi Ben Messaoud; Faouzi Bouani (SSD, 2018)

Nonlinear unknown input observer using mean value theorem and genetic algorithm. - Ramzi Ben Messaoud (Int. J. Model. Simul. Sci. Comput., 2019)

Reduced nonlinear unknown inputs observer using mean value theorem and patternsearch algorithm. - Ramzi Ben Messaoud (Autom., 2020)

Mountaineering Team-Based Optimization Approach for Solar Cell Model Parameter Identification. - Ahmed Jridi; Sami Zdiri; Ramzi Ben Messaoud; Jaouher Chrouta; Abderrahmen Zaafouri (CoDIT, 2023)