Robust Adaptive Control of Nonlinear Systems with Time-Varying Parameters and Its Application to Chua's Circuit. - Hamid Reza Koofigar; Saeed Hosseinnia; Farid Sheikholeslam (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2008)

Heart diseases prediction based on ECG signals' classification using a genetic-fuzzy system and dynamical model of ECG signals. - Mohammad Hossein Vafaie; Mohammad Ataei; Hamid Reza Koofigar (Biomed. Signal Process. Control., 2014)

Identification-Based Robust Motion Control of an AUV: Optimized by Particle Swarm Optimization Algorithm. - Sayed Hamid Mousavian; Hamid Reza Koofigar (J. Intell. Robotic Syst., 2017)

Robust Constrained Attitude Control of Spacecraft Formation Flying in the Presence of Disturbances. - Bahare Shahbazi; Maryam Malekzadeh; Hamid Reza Koofigar (IEEE Trans. Aerosp. Electron. Syst., 2017)

An adaptive arm's mechanical impedance estimator for rehabilitation robots without force and acceleration sensors. - Seyed Ali Mohamad Dehghan; Hamid Reza Koofigar; Mohsen Ekramian (Int. J. Syst. Sci., 2018)

Adaptive output feedback tracking control for a class of uncertain switched nonlinear systems under arbitrary switching. - Elizabeth Noghreian; Hamid Reza Koofigar (Int. J. Syst. Sci., 2018)

Observer design for one-sided Lipschitz discrete-time switched non-linear systems under asynchronous switching. - Maryam Nemati; Hamid Reza Koofigar; Mohammad Ataei (IMA J. Math. Control. Inf., 2019)

Robust tracking control of robot manipulators with friction and variable loads without velocity measurement: A switched control strategy. - Elizabeth Noghreian; Hamid Reza Koofigar (J. Syst. Control. Eng., 2021)

Robust predictive control of perturbed switched linear systems with stable and unstable subsystems in the presence of uncertainties. - Zeinab Dashtabadi; Hamid Reza Koofigar (J. Syst. Control. Eng., 2023)

Single-Phase Switched-Capacitor 21-Level Inverter Topology Using Reduced Number of Components With High Voltage Gain. - Fatemeh Esmaeili; Hamid Reza Koofigar (IEEE Access, 2024)

Incremental finite-step input-to-state stability for network of discrete-time switched systems. - Nasim Etedali; Hamid Reza Koofigar (Int. J. Syst. Sci., 2025)

Disturbance observer-based control with hysteresis identification in piezoelectric deformable mirrors. - Ali Mahzounieh; Hamid Reza Koofigar; Hamidreza Fallah (Int. J. Syst. Sci., 2025)