A new robust observer design for nonlinear systems with application to fault diagnosis. - Ammar Zemzemi; Mohamed Kamel; Ahmed Toumi; Mondher Farza (Trans. Inst. Meas. Control, 2018)

Fault Estimation Based on T-S Fuzzy Intermediate Observer for Nonlinear System Subject to Mismatched Faults. - Ammar Zemzemi; Mohamed Kamel; Ahmed Toumi (SSD, 2019)

Robust integral-observer-based fault estimation for Lipschitz nonlinear systems with time-varying uncertainties. - Ammar Zemzemi; Mohamed Kamel; Ahmed Toumi; Mondher Farza (Trans. Inst. Meas. Control, 2019)