Ahmed El Hajjaji

222 papers B 18C 37Journal 68Unranked 99

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	Integral-Type Terminal Sliding Mode MPPT Controller for a Standalone PV System With a DC-DC Boost Converter Under Real-Time Varying Weather Conditions. IEEE Access Jawhar Aiboudi, Habiba Rizki, Redouane Chaibi, Nawfal Jebbor, El-Mahjoub Boufounas, Ahmed El Hajjaji
2025	—	`conf`	A novel robust fuzzy sampled adaptive event-triggered control for enhancing vehicle stability and maneuverability. ECC Oussama Djadane, Salama Makni, Ahmed El Hajjaji, Mourad Kchaou
2025	J	`jnl`	Author Correction: H∞ observer-based control for fuzzy Hadamard fractional-order systems. Comput. Appl. Math. Mohamed Rhaima, Hamdi Gassara, Lassaad Mchiri, Ahmed El Hajjaji, Abdellatif Ben Makhlouf
2025	J	`jnl`	H Comput. Appl. Math. Mohamed Rhaima, Hamdi Gassara, Lassaad Mchiri, Ahmed El Hajjaji, Abdellatif Ben Makhlouf
2025	J	`jnl`	H IEEE Trans. Syst. Man Cybern. Syst. Hicham El Aiss, Taha Zoulagh, Badreddine El Haiek, Karina A. Barbosa, Ahmed El Hajjaji
2025	—	`conf`	Hybrid Dynamic Programming and Regression Approach for Fuel-Efficient Eco-Driving Optimization. MED Ahmed Bentaleb, Ahmed El Hajjaji, Abdelhamid Rabhi, Asma Karama, Abdellah Benzaouia
2025	—	`conf`	Robust fuzzy sampled event-triggered control for enhancing vehicle stability and maneuverability. MED Oussama Djadane, Salama Makni, Mourad Kchaou, Ahmed El Hajjaji
2025	—	`conf`	Stabilization of Nonlinear Polynomial Fuzzy Systems Based on Dynamic-Event-Triggered Output Feedback Controller. MED Zaineb Smida, Hamdi Gassara, Ahmed El Hajjaji
2024	J	`jnl`	An LMI-Based Linear Quadratic Regulator (LQR) Control for Modular Multilevel Converters (MMCs) Considering Parameters Uncertainty. IEEE Access Homa Sheikhi Jouybary, Augustin Mpanda Mabwe, Davood Arab Khaburi, Ahmed El Hajjaji
2024	C	`conf`	Direct Yaw Moment Fault Tolerant Tracking Control for Lateral Vehicle Dynamics. ICARCV Salama Makni, Ahmed El Hajjaji, Mohamed Chaabane
2024	C	`conf`	Dynamic Modeling of a Six-To-Three-Phase Indirect Matrix Converter and Performance Evaluation Using Linear Quadratic Regulator. IECON Chabi S. Sanni, Augustin Mpanda Mabwe, Ahmed El Hajjaji
2024	J	`jnl`	Gear Shifting and Vehicle Speed Optimization for Eco-Driving on Curved Roads. IEEE Access Ahmed Bentaleb, Ahmed El Hajjaji, Abdelhamid Rabhi, Asma Karama, Abdellah Benzaouia
2024	J	`jnl`	Linear Parameter-Varying Model Predictive Control for Intelligent Energy Management in Battery/Supercapacitor Electric Vehicles. IEEE Access Morteza Rezaei Larijani, Shahin Hedayati Kia, Mohammad Reza Zolghadri, Ahmed El Hajjaji, Amir Taghavipour
2023	—	`conf`	A New Event-Triggered Scheme For Output Feedback Control Design of Nonlinear Systems With Actuator Failure. FUZZ Mourad Kchaou, Ahmed El Hajjaji
2023	—	`conf`	Active Leader-Following Robust Control for Uncertain Linear Multi-Agent Systems with Input Constraints. ICSC Oussama Djadane, Ahmed El Hajjaji
2023	—	`conf`	Adaptive Integral Sliding Mode Control for Constrained Quadrotor Trajectory Tracking. MED Khelil Sidi Brahim, Ahmed El Hajjaji, Nadjiba Terki, David Lara Alabazares
2023	—	`conf`	Finite Frequency Fuzzy Static Output Feedback $H_{\infty}$ Control for Diesel Engine Air-Path : Descriptor Approach. FUZZ Abderrahim El-Amrani, Ahmed El Hajjaji, Jérôme Bosche
2023	J	`jnl`	Finite Time Adaptive SMC for UAV Trajectory Tracking Under Unknown Disturbances and Actuators Constraints. IEEE Access Khelil Sidi Brahim, Ahmed El Hajjaji, Nadjiba Terki, David Lara Alabazares
2023	—	`conf`	Modeling and Controller Design of Battery/SC Electric Vehicles for Real-time Energy Management. VTC2023-Spring Morteza Rezaei Larijani, Shahin Hedayati Kia, Mohammad Reza Zolghadri, Ahmed El Hajjaji, Amir Taghavipour
2023	—	`conf`	Observer Based Tracking Control for Diesel Engine Air Path Subject to Inputs Saturation. ICSC Salama Makni, Ahmed El Hajjaji, Oussama Djadane, Mohamed Chaabane
2023	—	`conf`	Observer-based state feedback air path control for a turbocharged diesel engine with EGR and VGT. MED Oussama Djadane, Salama Makni, Ahmed El Hajjaji
2023	J	`jnl`	Polynomial Adaptive Observer-Based Fault Tolerant Control for Time Delay Polynomial Fuzzy Systems Subject to Actuator Faults. Int. J. Fuzzy Syst. Hamdi Gassara, Mohamed Boukattaya, Ahmed El Hajjaji
2023	—	`conf`	Relaxed fault estimation conditions for fuzzy systems subject to time varying actuator and sensor faults. MED Salama Makni, Ahmed El Hajjaji, Mohamed Chaabane
2023	—	`conf`	Robust H∞ Observer-Based Control Synthesis for a Class of One-Sided Lipschitz Uncertain Systems with Quantized-Input. ICSC Badreddine El Haiek, Taha Zoulagh, Karina A. Barbosa, Ahmed El Hajjaji, Abdelaziz Hmamed
2022	—	`conf`	Altitude and Attitude Quadrotor Control based on Adaptive Sliding Mode Controller with Input Saturation. MED Khelil Sidi Brahim, Nadjiba Terki, Ahmed El Hajjaji, David Lara
2022	C	`conf`	Descriptor formulation for a robust static output feedback $H_{\infty}$ control for polytopic discrete-time system. CoDIT Badreddine El Haiek, Taha Zoulagh, Karina A. Barbosa, Ahmed El Hajjaji, Abdelaziz Hmamed
2022	J	`jnl`	Design of Polynomial Observer-Based Fault-Tolerant Controller for Polynomial Systems with State Delay: A Sum of Squares Approach. Circuits Syst. Signal Process. Abderrahim Messaoudi, Hamdi Gassara, Salama Makni, Ahmed El Hajjaji
2022	C	`conf`	Energy-optimal control for eco-driving on curved roads. IV Ahmed Bentaleb, Ahmed El Hajjaji, Abdelhamid Rabhi, Asma Karama, Abdellah Benzaouia
2022	—	`conf`	Enhanced Energy Efficiency of Two-Layer Control Approach for Connected Vehicles. ITSC Ahmed Bentaleb, Ahmed El Hajjaji, Abdelhamid Rabhi, Asma Karama, Abdellah Benzaouia
2022	—	`conf`	Event triggered control based on interval observer for discrete-time linear systems. ICSC Oumayma Abderrahim, Salama Makni, Anis Messaoud, Ahmed El Hajjaji
2022	—	`conf`	Finite Frequency Static Output Feedback $H_{\infty}$ Control Design of a Urea-Selective Catalytic Reduction Aftertreatment system. ICSC Abderrahim El-Amrani, Ahmed El Hajjaji, Abdel Aitouche
2022	—	`conf`	Finite-frequency static output feedback H∞ control for Diesel engine air path system with turbocharger. ANZCC Abderrahim El-Amrani, Ahmed El Hajjaji, Jérôme Bosche, Oussama Djadane
2022	J	`jnl`	Quantized asynchronous extended dissipative observer-based sliding mode control for Markovian jump TS fuzzy systems. J. Frankl. Inst. Mourad Kchaou, Mohamed Amin Regaieg, Ahmed El Hajjaji
2022	—	`conf`	Robust finite-frequency H∞ model reduction for uncertain 2D discrete systems. MED Abderrahim El-Amrani, Ahmed El Hajjaji, Jérôme Bosche, Abdel Aitouche
2021	—	`conf`	Adaptive Sliding Mode Controller for Attitude Quadrotor Based on Finite-Time Differentiator with Input Saturation. ICSC Khelil Sidi Brahim, Ahmed El Hajjaji, Nadjiba Terki
2021	—	`conf`	Admissibility Analysis of Descriptor Delay Systems: Transformation Model. CDC Hicham El Aiss, Karina A. Barbosa, Ahmed El Hajjaji, Abdelaziz Hmamed
2021	C	`conf`	Battery Cell Dynamic Modeling Using the RC Equivalent Circuit for RTDS Frameworks. IECON Morteza Rezaei Larijani, Mohammad Reza Zolghadri, Shahin Hedayati Kia, Ahmed El Hajjaji
2021	—	`conf`	DC-DC Buck Converter Polynomial Tracking Control Design With Saturation Constraint. CDC Imen Iben Ammar, Hamdi Gassara, Ahmed El Hajjaji, Mohamed Chaabane
2021	—	`conf`	Finite-frequency filter design in fuzzy two-dimensional systems. ICSC Abderrahim El-Amrani, Ahmed El Hajjaji, Bensalem Boukili, Abdelaziz Hmamed, Ismail Boumhidi
2021	—	`conf`	Further Results of Robust Observer-Based Control Synthesis for Saturated Linear Parameter Varying Systems. ANZCC Viet Long Bui Tuan, Ahmed El Hajjaji, Olivier Pagès
2021	J	`jnl`	H Int. J. Model. Identif. Control. Abderrahim El-Amrani, Ahmed El Hajjaji, Bensalem Boukili, Ismail Boumhidi
2021	J	`jnl`	H Int. J. Syst. Syst. Eng. Abderrahim El-Amrani, Bensalem Boukili, Ahmed El Hajjaji, Ismail Boumhidi, Abdelaziz Hmamed
2021	J	`jnl`	Input-output stability and stabilisation conditions for discrete-time delayed fuzzy systems. Int. J. Syst. Sci. Hicham El Aiss, Redouane Chaibi, Ahmed El Hajjaji, Abdelaziz Hmamed
2021	J	`jnl`	Relaxed Stabilization Conditions for Interconnected Nonlinear Systems. Circuits Syst. Signal Process. Souhail Tiko, Fouad Mesquine, Ahmed El Hajjaji
2021	—	`conf`	Robust Polynomial Observers For Positive Polynomial Fuzzy Systems. SSD Imen Iben Ammar, Hamdi Gassara, Ahmed El Hajjaji, Mohamed Chaabane
2021	C	`conf`	Robust TS-Fuzzy output feedback controller synthesis for saturated vehicle System. ACC Viet Long Bui Tuan, Olivier Pagès, Ahmed El Hajjaji
2021	—	`conf`	Static Output Feedback Control Synthesis for Positive Polynomial Fuzzy Systems with time delay. ICSC Abderrahim Messaoudi, Imen Iben Ammar, Hamdi Gassara, Ahmed El Hajjaji
2021	—	`conf`	ℒ2-Stabilization of anti-windup compensators subject to actuator saturation and disturbances. ANZCC Viet Long Bui Tuan, Ahmed El Hajjaji, Olivier Pagès
2020	—	`conf`	A robust output feedback input constrained design for a class of LPV systems. MED Mohamed Amin Regaieg, Jérôme Bosche, Ahmed El Hajjaji
2020	J	`jnl`	Adaptive observer-based J. Frankl. Inst. Dhouha Kharrat, Hamdi Gassara, Ahmed El Hajjaji, Mohamed Chaabane
2020	J	`jnl`	Finite frequency H Int. J. Syst. Syst. Eng. Abderrahim El-Amrani, Ahmed El Hajjaji, Bensalem Boukili, Ismail Boumhidi, Abdelaziz Hmamed
2020	J	`jnl`	Finite frequency Hoo filter design for T-S fuzzy continuous systems. Int. J. Syst. Syst. Eng. Abdelaziz Hmamed, Abderrahim El-Amrani, Ahmed El Hajjaji, Bensalem Boukili, Ismail Boumhidi
2020	J	`jnl`	Robust Finite Frequency H Model Reduction for uncertain 2D Continuous Systems. Int. J. Syst. Syst. Eng. Abdelaziz Hmamed, Abderrahim El-Amrani, Ahmed El Hajjaji, Bensalem Boukili, Ismail Boumhidi
2020	J	`jnl`	Robust fault tolerant control based on adaptive observer for Takagi-Sugeno fuzzy systems with sensor and actuator faults: Application to single-link manipulator. Trans. Inst. Meas. Control Salama Makni, Maha Bouattour, Ahmed El Hajjaji, Mohamed Chaabane
2020	J	`jnl`	Robust over finite frequency ranges H Int. J. Syst. Syst. Eng. Abderrahim El-Amrani, Ahmed El Hajjaji, Bensalem Boukili, Ismail Boumhidi, Abdelaziz Hmamed
2019	—	`conf`	A Finite Frequency Approach for H∞ Model Reduction of T-S Fuzzy Discrete-Time Systems. ICSC Abderrahim El-Amrani, Bensalem Boukili, Abdelaziz Hmamed, Ahmed El Hajjaji, Ismail Boumhidi
2019	J	`jnl`	An input-output approach to H∞ reduced filter design for polytopic time-varying delay systems. Int. J. Syst. Sci. Hicham El Aiss, Taha Zoulagh, Abdelaziz Hmamed, Ahmed El Hajjaji
2019	—	`conf`	Asynchronous Output Feedback Control Design for Nonlinear Switched Singular Systems with Time Varying Delay. CDC Mohamed Amin Regaieg, Mourad Kchaou, Jérôme Bosche, Ahmed El Hajjaji, Mohamed Chaabane
2019	J	`jnl`	D Int. J. Syst. Sci. Mohamed Amin Regaieg, Jérôme Bosche, Mourad Kchaou, Ahmed El Hajjaji, Mohamed Chaabane
2019	J	`jnl`	Decentralized Control Design for Switching Fuzzy Large-Scale T-S Systems by Switched Lyapunov Function with H Int. J. Fuzzy Syst. Laila El Younsi, Abdellah Benzaouia, Ahmed El Hajjaji
2019	—	`conf`	Delay-dependent stabilization of positive continuous-time Takagi-Sugeno fuzzy systems: An LP approach. ICSC Abdellah Benzaouia, Ahmed El Hajjaji, Mustapha Ouladsine
2019	C	`conf`	Energy Management of Microgrid Using Sliding Mode and Fuzzy Logic Control Techniques. IECON Jean Ernst Bester, Augustin Mpanda Mabwe, Ahmed El Hajjaji
2019	—	`conf`	Finite Frequency Approach for H∞ model reduction of 2D continuous systems. MED Abderrahim El-Amrani, Ahmed El Hajjaji, Ismail Boumhidi, Abdelaziz Hmamed, Abdel Aitouche
2019	B	`conf`	Finite frequency state feedback controller design for T-S fuzzy continuous systems. FUZZ-IEEE Abderrahim El-Amrani, Ahmed El Hajjaji, Ismail Boumhidi, Abdelaziz Hmamed
2019	—	`conf`	New Virtual Sector Approach For Robust Active Queue Management Synthesis. ICSC Sadek Belamfedel Alaoui, El Houssaine Tissir, Noreddine Chaibi, Ahmed El Hajjaji
2019	—	`conf`	Polynomial Observer for Interval Positive Polynomial Systems. ICSC Imen Iben Ammar, Hamdi Gassara, Ahmed El Hajjaji, Fernando Tadeo, Mohamed Chaabane
2019	—	`conf`	Relaxed Stabilization conditions for Takagi-Sugeno systems. SSD Rihab Abdelkrim, Mohamed Lazhar Wardi, Hamdi Gassara, Ahmed El Hajjaji, Mohamed Chaabane, Mohamed Naceur Abdelkrim
2019	—	`conf`	Robust TS-Fuzzy observer-based control for Quadruple-Tank system. ASCC Viet Long Bui Tuan, Ahmed El Hajjaji, Ghali Naami
2019	—	`conf`	Robust finite frequency H∞ model reduction for uncertain 2D continuous systems. CDC Abderrahim El-Amrani, Bensalem Boukili, Ahmed El Hajjaji, Abdelaziz Hmamed, Ismail Boumhidi
2019	J	`jnl`	Stability and Stabilization Analysis for T-S Interconnected Fuzzy Systems Using LMIs. Circuits Syst. Signal Process. Abdellah Benzaouia, Laila El Younsi, Ahmed El Hajjaji
2019	—	`conf`	Static output feedback stabilization for 2D fuzzy Systems. ICSC Bensalem Boukili, Abderrahim El-Amrani, Abdelaziz Hmamed, Ahmed El Hajjaji, Ismail Boumhidi
2018	J	`jnl`	A robust analysis approach for a class of uncertain BPV systems. Eur. J. Control Jérôme Bosche, Mohamed Amin Regaieg, Ahmed El Hajjaji
2018	J	`jnl`	Adaptive Fuzzy Observer-Based Fault-Tolerant Control for Takagi-Sugeno Descriptor Nonlinear Systems with Time Delay. Circuits Syst. Signal Process. Dhouha Kharrat, Hamdi Gassara, Ahmed El Hajjaji, Mohamed Chaabane
2018	B	`conf`	An Improvement of H∞ Filtering Design for T-S fuzzy Time-Varying Delay Systems: Input-Output Approach. FUZZ-IEEE Hicham El Aiss, Taha Zoulagh, Abdelaziz Hmamed, Ahmed El Hajjaji
2018	J	`jnl`	Conditions of Stabilization of Positive Continuous Takagi-Sugeno Fuzzy Systems with Delay. Int. J. Fuzzy Syst. Abdellah Benzaouia, Ahmed El Hajjaji
2018	B	`conf`	Delay-Partitioning Approach to State and Sensor/Actuator Fault Estimation for T-S Fuzzy Systems with Time-Delay. FUZZ-IEEE Dhouha Kharrat, Hamdi Gassara, Ahmed El Hajjaji, Mohamed Chaabane
2018	—	`conf`	Design and Control of Standalone Wind Powered Water Pumping System. ICSC Soufyane Benzaouia, Abdelhamid Rabhi, Smail Zouggar, Ahmed El Hajjaji
2018	B	`conf`	Finite Frequency Filter Design for T-S Fuzzy Continuous Systems. FUZZ-IEEE Abderrahim El-Amrani, Ahmed El Hajjaji, Abdelaziz Hmamed, Ismail Boumhidi
2018	J	`jnl`	Finite frequency H Signal Process. Doha El Hellani, Ahmed El Hajjaji, Roger Ceschi
2018	—	`conf`	Further results on H∞ Filtering Design for Continuous Time-Systems With Time-Varying Delay Systems: Three Term Approximation Approach. ICSC Hicham El Aiss, Taha Zoulagh, Abdelaziz Hmamed, Ahmed El Hajjaji, Jérôme Bosche
2018	—	`conf`	H_/H∞ fault detection Proportional Integral observer for uncertain T-S fuzzy systems. ICSC Salama Makni, Maha Bouattour, Ahmed El Hajjaji, Mohamed Chaabane, Jérôme Bosche
2018	—	`conf`	H∞ Model Reduction for Two-Dimensional Discrete Systems in Finite Frequency Ranges. MED Abderrahim El-Amrani, Ahmed El Hajjaji, Bensalem Boukili, Abdelaziz Hmamed
2018	J	`jnl`	Improved stability and stabilization criteria for uncertain discrete-time switched TS fuzzy systems with time-varying delays. Neurocomputing Ahmed Jaballi, Anis Sakly, Ahmed El Hajjaji
2018	J	`jnl`	L2 - L∞ reduced-order filter design for T-S fuzzy stochastic discrete systems. Int. J. Syst. Sci. Taha Zoulagh, Bensalem Boukili, Abdelaziz Hmamed, Ahmed El Hajjaji
2018	—	`conf`	Learning Observer-Based Robust H∞ Fault-Tolerant Control for Takagi-Sugeno Descriptor Systems with Time-Delay. MED Dhouha Kharrat, Hamdi Gassara, Ahmed El Hajjaji, Mohamed Chaabane
2018	C	`conf`	Mode-dependent control design for discrete-time Switched Singular Systems with time varying delay. ACC Mohamed Amin Regaieg, Mourad Kchaou, Ahmed El Hajjaji, Hamdi Gassara, Mohamed Chaabane
2018	J	`jnl`	New Polynomial Lyapunov Functional Approach to Observer-Based Control for Polynomial Fuzzy Systems with Time Delay. Int. J. Fuzzy Syst. Imen Iben Ammar, Hamdi Gassara, Ahmed El Hajjaji, Mohamed Chaabane
2018	—	`conf`	Robust $H_{\infty}$ Output Feedback Controller of Motorcycle Dynamic Model. SSD Amel Ferjani, Ines Zaidi, Ahmed El Hajjaji, Abdelhamid Rabhi, Mohamed Chaabane
2018	—	`conf`	Robust H Filter for Uncertain Continuous-Time Systems with Finite Frequency Ranges. MED Abderrahim El-Amrani, Bensalem Boukili, Ahmed El Hajjaji, Abdelaziz Hmamed
2018	J	`jnl`	Robust H∞ filtering for 2D continuous systems with finite frequency specifications. Int. J. Syst. Sci. Abderrahim El-Amrani, Bensalem Boukili, Abdelaziz Hmamed, Ahmed El Hajjaji, Ismail Boumhidi
2018	—	`conf`	Robust Observer-Based Control for TS Fuzzy Models Application to Vehicle Lateral Dynamics. MED Viet Long Bui Tuan, Ahmed El Hajjaji
2018	C	`conf`	Robust observer design of one-sided Lipschitz nonlinear systems. ACC Badreddine El Haiek, Hicham El Aiss, Abdelaziz Hmamed, Ahmed El Hajjaji
2018	—	`conf`	Sensor and Actuator Faults Estimation for T-S Fuzzy Systems Subject to Disturbances and Uncertainties. SSD Salama Makni, Maha Bouattour, Ahmed El Hajjaji, Mohamed Chaabane
2018	—	`conf`	Sideslip Angle Estimation of Ground Vehicles in a Finite Frequency Domain Through H∞ Approach. MED Doha El Hellani, Ahmed El Hajjaji, Roger Ceschi, Abdel Aitouche
2017	C	`conf`	Control of a doubly-fed induction generator for wind energy conversion system. IECON Said Boubzizi, Ahmed El Hajjaji, Hafedh Abid, Mohamed Chaabane
2017	J	`jnl`	Design of polynomial fuzzy observer-controller for nonlinear systems with state delay: sum of squares approach. Int. J. Syst. Sci. Hamdi Gassara, Ahmed El Hajjaji, Mohamed Chaabane
2017	C	`conf`	Effective Lyapunov level set for nonlinear optimal control. Application to turbocharged diesel engine model. CoDIT Olena Kuzmych, Abdel Aitouche, Ahmed El Hajjaji, Achraf Jabeur Telmoudi
2017	—	`conf`	Fault-tolerant fuzzy sliding-mode control for a class of MIMO underactuated nonlinear systems. ICSC Faten Baklouti, Sinda Aloui, Abdessattar Chaari, Ahmed El Hajjaji
2017	—	`conf`	Finite frequency H∞ filtering for discrete-time uncertain systems. SDD Abderrahim El-Amrani, Youssef Berrada, Abdelaziz Hmamed, Ahmed El Hajjaji, Ismail Boumhidi
2017	C	`conf`	H∞ filter design for discrete time systems with time varying delay and quantized measurements. ACC Doha El Hellani, Ahmed El Hajjaji, Roger Ceschi
2017	J	`jnl`	H∞ filter design for nonlinear systems with quantised measurements in finite frequency domain. Int. J. Syst. Sci. D. El Hellani, Ahmed El Hajjaji, Roger Ceschi
2017	—	`conf`	H∞ filtering for discrete time systems with intermittent measurements and finite frequency specifications. CDC Doha El Hellani, Ahmed El Hajjaji, Roger Ceschi
2017	J	`jnl`	Improved results on observer-based control for discrete-time fuzzy systems. Int. J. Syst. Sci. Badreddine El Haiek, Abdelaziz Hmamed, Ahmed El Hajjaji, El Houssaine Tissir
2017	J	`jnl`	Improved stability and H∞ performance criteria for linear systems with interval time-varying delays via three terms approximation. Int. J. Syst. Sci. Hicham El Aiss, Abdelaziz Hmamed, Ahmed El Hajjaji
2017	J	`jnl`	JSH transformation and its application to stability analysis for linear discrete time-delay systems. J. Frankl. Inst. Ahmed Jaballi, Anis Sakly, Ahmed El Hajjaji
2017	—	`conf`	L2-L∞ filtering for a class T-S fuzzy discrete systems under stochastic perturbation. SDD Taha Zoulagh, Bensalem Boukili, Abdelaziz Hmamed, Ahmed El Hajjaji
2017	C	`conf`	PI-fuzzy control of a bidirectional Dual Active Bridge converter. ACC Said Talbi, Augustin Mpanda Mabwe, Ahmed El Hajjaji
2017	J	`jnl`	Resilient H∞ sliding mode control for discrete-time descriptor fuzzy systems with multiple time delays. Int. J. Syst. Sci. Mourad Kchaou, Ahmed El Hajjaji
2017	—	`conf`	Robust adaptive observer design for fast fault estimation for nonlinear T-S fuzzy systems using descriptor approach. ICSC Salama Makni, Maha Bouattour, Mohamed Chaabane, Ahmed El Hajjaji
2017	J	`jnl`	Stabilization of Continuous-Time Fractional Positive T-S Fuzzy Systems by Using a Lyapunov Function. Circuits Syst. Signal Process. Abdellah Benzaouia, Ahmed El Hajjaji
2016	—	`conf`	A robust output feedback control technique for improving vehicle lateral dynamic behavior. ICSC Jérôme Bosche, Abdelhamid Rabhi, Ahmed El Hajjaji
2016	B	`conf`	Conditions of stabilization of positive continuous Takagi-Sugeno fuzzy systems with delay. FUZZ-IEEE Abdellah Benzaouia, Ahmed El Hajjaji
2016	J	`jnl`	Control of Time Delay Polynomial Fuzzy Model Subject to Actuator Saturation. Int. J. Fuzzy Syst. Hamdi Gassara, Ahmed El Hajjaji, Mohamed Chaabane
2016	—	`conf`	Energy-to-peak performance of motorcycle lateral dynamic study. ICSC Amel Ferjani, Hana Louhichi Ghorbel, Mohamed Chaabane, Abdelhamid Rabhi, Ahmed El Hajjaji
2016	—	`conf`	H∞ filtering of T-S fuzzy systems in Finite Frequency domain. ICSC Abderrahim El-Amrani, Abdelaziz Hmamed, Bensalem Boukili, Ahmed El Hajjaji
2016	—	`conf`	Improved L2 - L∞ filter design for polytopic time-delay systems. ICSC Taha Zoulagh, Abdelaziz Hmamed, Ahmed El Hajjaji
2016	C	`conf`	New approach to H∞ filtering for uncertain discrete-time linear systems in finite frequency domain. ACC D. El Hellani, Ahmed El Hajjaji, Roger Ceschi
2016	J	`jnl`	Observer-Based State Feedback Control for Vehicle Chassis Stability in Critical Situations. IEEE Trans. Control. Syst. Technol. Hamid Dahmani, Olivier Pagès, Ahmed El Hajjaji
2016	J	`jnl`	Permutation matrix based robust stability and stabilization for uncertain discrete-time switched TS fuzzy systems with time-varying delays. Neurocomputing Ahmed Jaballi, Anis Sakly, Ahmed El Hajjaji
2016	J	`jnl`	Reducing conservativeness of stabilization conditions for switched TS fuzzy systems. Neurocomputing Ahmed Jaballi, Ahmed El Hajjaji, Anis Sakly
2016	J	`jnl`	Robust Model-Free Control Applied to a Quadrotor UAV. J. Intell. Robotic Syst. Younes Al Younes, Ahmad Drak, Hassan Noura, Abdelhamid Rabhi, Ahmed El Hajjaji
2016	—	`conf`	Stability analysis for Takagi-Sugeno interconnected fuzzy systems using LMIs. ICSC Ahmed El Hajjaji, Laila El Younsi, Abdellah Benzaouia
2016	J	`jnl`	Stability and Stabilization of Polynomial Fuzzy Systems with Time Delay: New Approach. Circuits Syst. Signal Process. Fatma Siala, Hamdi Gassara, Ahmed El Hajjaji, Mohamed Chaabane
2016	—	`conf`	Stability of neutral time varying delay systems: A delay partitioning approach. ICSC Hicham El Aiss, Abdelaziz Hmamed, Ahmed El Hajjaji
2016	B	`conf`	Stabilization of interconnected T-S fuzzy systems using LMIs. FUZZ-IEEE Abdellah Benzaouia, Laila El Younsi, Ahmed El Hajjaji
2016	C	`conf`	Vehicle online parameter estimation using a nonlinear adaptive observer. ACC Mourad Boufadene, Abdelhamid Rabhi, Mohammed Belkheiri, Ahmed El Hajjaji
2015	B	`conf`	A new robust stability analysis of uncertain switching fuzzy time-delay systems. FUZZ-IEEE Ahmed Jaballi, Anis Sakly, Ahmed El Hajjaji
2015	—	`conf`	Adaptive Type-2 Fuzzy Sliding Mode Control for MIMO nonlinear systems: Application to a Turbocharged Diesel Engine. MED Samia Larguech, Sinda Aloui, Olivier Pagès, Ahmed El Hajjaji, Abdessattar Chaari
2015	C	`conf`	Control of a bidirectional dual active bridge converter for charge and discharge of a Li-Ion Battery. IECON Said Talbi, Augustin Mpanda Mabwe, Ahmed El Hajjaji
2015	J	`jnl`	Decentralized networked control system design using Takagi-Sugeno (TS) fuzzy approach. Int. J. Autom. Comput. Chedia Latrach, Mourad Kchaou, Abdelhamid Rabhi, Ahmed El Hajjaji
2015	J	`jnl`	Detection of impending vehicle rollover with road bank angle consideration using a robust fuzzy observer. Int. J. Autom. Comput. Hamid Dahmani, Mohammed Chadli, Abdelhamid Rabhi, Ahmed El Hajjaji
2015	J	`jnl`	H Circuits Syst. Signal Process. Bensalem Boukili, Abdelaziz Hmamed, Abdellah Benzaouia, Ahmed El Hajjaji
2015	C	`conf`	Hoo filter design for T-S nonlinear discrete-time state-delayed systems in finite frequency domain. CCA D. El Hellani, Ahmed El Hajjaji, Roger Ceschi
2015	C	`conf`	Model-free observer for MIMO systems. CCA Younes Al Younes, Hassan Noura, Abdelhamid Rabhi, Ahmed El Hajjaji
2015	C	`conf`	Modelling of Lithium-ion battery and SOC estimation using simple and extended discrete Kalman Filters for Aircraft energy management. IECON Jean Ernst Bester, Ahmed El Hajjaji, Augustin Mpanda Mabwe
2015	—	`conf`	New Approach to H∞ Filtering for Fuzzy Systems in Finite Frequency Domain. AECIA D. El Hellani, Ahmed El Hajjaji, Roger Ceschi
2015	—	`conf`	Power management strategy for renewable hybrid stand-alone power system. ICSC Menad Dahmane, Jérôme Bosche, Ahmed El Hajjaji
2015	—	`conf`	Robust control with parameter uncertainties for vehicle chassis stability in critical situations. CDC Hamid Dahmani, Olivier Pagès, Ahmed El Hajjaji
2015	—	`conf`	Simulation and control of Takagi-Sugeno uncertain model of buck converter by linear programming. ICM Rkia Oubah, Abdellah Benzaouia, Ahmed El Hajjaji
2015	—	`conf`	Sliding mode control for discrete-time uncertain descriptor systems with time-varying delay. CDC Mourad Kchaou, Ahmed El Hajjaji
2015	C	`conf`	Stability analysis and stabilization of polynomial fuzzy systems with time-delay via a Sum Of Squares (SOS) approach. ACC Fatma Siala, Hamdi Gassara, Ahmed El Hajjaji, Mohamed Chaabane
2015	—	`conf`	Stability analysis of linear systems with time varying delay: An input output approach. CDC Abdelaziz Hmamed, Hicham El Aiss, Ahmed El Hajjaji
2015	B	`conf`	Stability approaches for Takagi-Sugeno systems. FUZZ-IEEE Rihab Abdelkrim, Hamdi Gassara, Mohamed Chaabane, Ahmed El Hajjaji
2015	—	`conf`	State of charge estimation based on extened Kalman filter algorithm for Lithium-Ion battery. MED E. Kamal, Ahmed El Hajjaji, Augustin Mpanda Mabwe
2015	—	`conf`	Sum of squares based nonlinear control design. Application to biodiesel engine. ICSC Olena Kuzmych, Ahmed El Hajjaji, Abdel Aitouche, Jérôme Bosche
2015	C	`conf`	Traction control system using a fuzzy representation of the vehicle model. ACC Hamid Dahmani, Olivier Pagès, Ahmed El Hajjaji
2015	—	`conf`	Unknown input estimation based sliding mode control for EGR-VGT diesel engine air-path. ICSC Yanyan Shen, Haoping Wang, Yang Tian, Qiankun Qu, Abdel Aitouche, Ahmed El Hajjaji
2015	B	`conf`	Vehicle dynamics decentralized networked control. FUZZ-IEEE Chedia Latrech, Ahmed El Hajjaji, Abdelhamid Rabhi, Mourad Kchaou
2014	—	`conf`	Adaptive Sliding Mode Control for a class of nonlinear MIMO systems: Application to a Turbocharged Diesel Engine. MED Samia Larguech, Sinda Aloui, Olivier Pagès, Ahmed El Hajjaji, Abdessattar Chaari
2014	J	`jnl`	Control of Time Delay Fuzzy Descriptor Systems with Actuator Saturation. Circuits Syst. Signal Process. Hamdi Gassara, Mourad Kchaou, Ahmed El Hajjaji, Mohamed Chaabane
2014	J	`jnl`	Fault-Tolerant Trajectory Tracking Control for Takagi-Sugeno Systems with Unmeasurable Premise Variables: Descriptor Approach. Circuits Syst. Signal Process. Hana Louhichi Ghorbel, Ahmed El Hajjaji, Mansour Souissi, Mohamed Chaabane
2014	C	`conf`	Fuzzy proportional-integral state feedback controller For vehicle traction control system. CCA Hamid Dahmani, Olivier Pagès, Ahmed El Hajjaji
2014	J	`jnl`	H Circuits Syst. Signal Process. Bensalem Boukili, Abdelaziz Hmamed, Abdellah Benzaouia, Ahmed El Hajjaji
2014	—	`conf`	H∞ robust observer-based control for vehicle rollover. MED Mohammed Oudghiri, Abdelhamid Rabhi, Ahmed El Hajjaji
2014	C	`conf`	H∞-based fault diagnosis for diesel engines. CCA Boulaid Boulkroune, Olivier Pagès, Abdel Aitouche, Ali Zemouche, Ahmed El Hajjaji
2014	J	`jnl`	Nonlinear control for a diesel engine: A CLF-based approach. Int. J. Appl. Math. Comput. Sci. Olena Kuzmych, Abdel Aitouche, Ahmed El Hajjaji, Jérôme Bosche
2014	J	`jnl`	Observer based ( J. Frankl. Inst. Hamdi Gassara, Ahmed El Hajjaji, Mourad Kchaou, Mohamed Chaabane
2014	J	`jnl`	Observer-Based Robust Control of Vehicle Dynamics for Rollover Mitigation in Critical Situations. IEEE Trans. Intell. Transp. Syst. Hamid Dahmani, Olivier Pagès, Ahmed El Hajjaji, Nawal Daraoui
2014	C	`conf`	Optimization of Control Lyapunov function using Sum-Of-Squares technic. Application to turbocharged diesel engine model. CCA Olena Kuzmych, Ahmed El Hajjaji, Abdel Aitouche, Jérôme Bosche
2014	—	`conf`	Output-feedback fault tolerant control for linear time delay systems: Descriptor approach. MED Nouceyba Abdelkrim, Maha Bouattour, Ahmed El Hajjaji, Mohamed Chaabane
2014	J	`jnl`	Robust Int. J. Syst. Sci. Hamdi Gassara, Ahmed El Hajjaji, Mourad Kchaou, Mohamed Chaabane
2014	C	`conf`	Robust H∞ reliable networked static output feedback control design for vehicle dynamics stability. CCA Chedia Latrach, Mourad Kchaou, Ahmed El Hajjaji, Abdelhamid Rabhi
2014	C	`conf`	Robust control design of semilinear parabolic partial differential systems: A fuzzy approach. CCA Oumar Gaye, Olivier Pagès, Ahmed El Hajjaji
2014	B	`conf`	Sliding mode control of fuzzy descriptor systems with time delay. FUZZ-IEEE Mourad Kchaou, Ahmed El Hajjaji
2014	—	`conf`	Stabilization of LPV positive systems. CDC Mustapha Ait Rami, Boulaid Boulkroune, Ahmed El Hajjaji, Olivier Pagès
2014	J	`jnl`	Stabilization of positive Takagi-Sugeno fuzzy discrete-time systems with multiple delays and bounded controls. J. Frankl. Inst. Abdellah Benzaouia, Rkia Oubah, Ahmed El Hajjaji
2014	—	`conf`	Sum of squares based nonlinear control design for diesel engine. MED Olena Kuzmych, Ahmed El Hajjaji, Abdel Aitouche, Jérôme Bosche
2014	C	`conf`	Unknown input estimation for diesel engine based on Takagi-Sugeno Fuzzy Descriptor systems. ACC Adriana Aguilera González, Jérôme Bosche, Ahmed El Hajjaji
2013	—	`conf`	Feedback design air-path control on a diesel engine based on Takagi-Sugeno Fuzzy descriptor systems. MED Adriana Aguilera González, Jérôme Bosche, Ahmed El Hajjaji, Ines Abidi
2013	—	`conf`	Fuzzy robust tracking control with pole placement for a Turbocharged diesel engine. MED Ines Abidi, Jérôme Bosche, Ahmed El Hajjaji, Adriana Aguilera González
2013	—	`conf`	H∞ fuzzy Networked control for vehicle lateral dynamics. MED Chedia Latrach, Mourad Kchaou, Ahmed El Hajjaji, Abdelhamid Rabhi
2013	—	`conf`	Improved sliding mode control of a class of nonlinear systems: Application to quadruple tanks system. ECC Samia Larguech, Sinda Aloui, Abdessattar Chaari, Ahmed El Hajjaji, Yassine Koubaa
2013	—	`conf`	Improvement on observer-based H∞ tracking control for TS fuzzy systems with unmeasurable premise variables. CDC Hana Louhichi Ghorbel, Ahmed El Hajjaji, Mansour Souissi, Mohamed Chaabane
2013	C	`conf`	MPPT for photovoltaic conversion systems using genetic algorithm and robust control. ACC Menad Dahmane, Jérôme Bosche, Ahmed El Hajjaji, X. Pierre
2013	—	`conf`	Observer based dissipative reliable control for Takagi-Sugeno fuzzy systems with time delay. MED Hamdi Gassara, Fatma Siala, Ahmed El Hajjaji, Mohamed Chaabane
2013	—	`conf`	Observer-based tracking control of the vehicle lateral dynamics using four-wheel active steering. ITSC Hamid Dahmani, Olivier Pagès, Ahmed El Hajjaji, Nawal Daraoui
2013	—	`conf`	Robust H∞ fuzzy networked control for vehicle lateral dynamics. ITSC Chedia Latrach, Mourad Kchaou, Ahmed El Hajjaji, Abdelhamid Rabhi
2013	J	`jnl`	Robust Sliding Mode Control Using Adaptive Switching Gain for Induction Motors. Int. J. Autom. Comput. Kais Jamoussi, Mohamed Ouali, Larbi Chrifi-Alaoui, Hadda Benderradji, Ahmed El Hajjaji
2013	—	`conf`	Strict LMI approach to the robust stabilization of Takagi-Sugeno fuzzy descriptor systems. MED M. Bahloul, Ahmed El Hajjaji, Mohamed Chaabane, Mansour Souissi
2013	—	`conf`	System stabilization by unsymmetrical saturated state feedback control. ASCC Mohamed Benhayoun, Abdellah Benzaouia, Fouad Mesquine, Ahmed El Hajjaji
2012	C	`conf`	Delay-dependent robust stability and stabilization of uncertain fuzzy descriptor systems with time delay. ACC Ines Abidi, Mourad Kchaou, Ahmed El Hajjaji, Jérôme Bosche
2012	C	`conf`	Fuzzy observer with unknown inputs using unmeasurable premise variables for vehicle dynamics and road geometry estimation. ACC Hamid Dahmani, Mohammed Chadli, Abdelhamid Rabhi, Ahmed El Hajjaji
2012	B	`conf`	Robust Roll and Yaw control systems using fuzzy model of the vehicle dynamics. FUZZ-IEEE Nawal Daraoui, Olivier Pagès, Ahmed El Hajjaji
2011	—	`conf`	Actuator Fault estimation with pole placement constraints for Takagi-Sugeno fuzzy systems with interval time varying delay: An LMI approach. EUSFLAT Conf. Hamdi Gassara, Ahmed El Hajjaji, Mohamed Chaabane
2011	B	`conf`	Adaptive fault estimation design for T-S fuzzy systems with interval time varying delay. FUZZ-IEEE Hamdi Gassara, Ahmed El Hajjaji, Mohamed Chaabane
2011	—	`conf`	Design of unknown input fuzzy observer for vehicle dynamics estimation with road geometry consideration. EUSFLAT Conf. Hamid Dahmani, Mohammed Chadli, Abdelhamid Rabhi, Ahmed El Hajjaji
2011	J	`jnl`	Improved fuzzy sliding mode control for a class of MIMO nonlinear uncertain and perturbed systems. Appl. Soft Comput. Sinda Aloui, Olivier Pagès, Ahmed El Hajjaji, Abdessattar Chaari, Yassine Koubaa
2011	B	`conf`	Robust stabilization for continuous fuzzy systems with time varying delay. FUZZ-IEEE Chedia Latrach, Mourad Kchaou, Ahmed Toumi, Ahmed El Hajjaji
2011	J	`jnl`	Stabilisation of discrete 2D time switching systems by state feedback control. Int. J. Syst. Sci. Abdellah Benzaouia, Abdelaziz Hmamed, Fernando Tadeo, Ahmed El Hajjaji
2011	—	`conf`	Stability and stabilization of positive Takagi-Sugeno fuzzy continuous systems with delay. CDC/ECC Abdellah Benzaouia, Rkia Oubah, Ahmed El Hajjaji, Fernando Tadeo
2011	—	`conf`	Two loop based dynamical feedback stabilization control of a diesel engine with EGR & VGT. CDC/ECC Haoping Wang, Jérôme Bosche, Yang Tian, Ahmed El Hajjaji
2011	B	`conf`	Vehicle dynamics and road geometry estimation using a Takagi-Sugeno fuzzy observer with unknown inputs. Intelligent Vehicles Symposium Hamid Dahmani, Mohammed Chadli, Abdelhamid Rabhi, Ahmed El Hajjaji
2010	—	`conf`	Delay-dependent H∞ exponential stabilization of T-S fuzzy systems with interval time-varying delay. CDC Hamdi Gassara, Ahmed El Hajjaji, Mohamed Chaabane
2010	—	`conf`	Estimation of state, actuator and sensor faults for T-S models. CDC Maha Bouattour, Mohammed Chadli, Ahmed El Hajjaji, Mohamed Chaabane
2010	C	`conf`	Fuzzy uncertain observer with unknown inputs for Lane departure detection. ACC Hamid Dahmani, Mohammed Chadli, Abdelhamid Rabhi, Ahmed El Hajjaji
2010	C	`conf`	H∞ observer-based robust multiple controller design for vehicle lateral dynamics. ACC Mohammed Chadli, Ahmed El Hajjaji, Abdelhamid Rabhi
2010	J	`jnl`	Observer-Based Robust H IEEE Trans. Fuzzy Syst. Hamdi Gassara, Ahmed El Hajjaji, Mohamed Chaabane
2010	J	`jnl`	Robust Int. J. Syst. Sci. Hamdi Gassara, Ahmed El Hajjaji, Mohamed Chaabane
2010	C	`conf`	Robust fuzzy tracking control for a class of perturbed non square nonlinear systems. ACC Sinda Aloui, Olivier Pagès, Ahmed El Hajjaji, Abdessattar Chaari, Yassine Koubaa
2009	B	`conf`	H∞ sensor faults estimation for T-S models using descriptor techniques: Application to fault diagnosis. FUZZ-IEEE Maha Bouattour, Mohammed Chadli, Ahmed El Hajjaji, Mohamed Chaabane
2009	B	`conf`	Improved observer-based adaptive fuzzy tracking control for MIMO nonlinear systems. FUZZ-IEEE Sinda Aloui, Olivier Pagès, Ahmed El Hajjaji, Abdessattar Chaari, Yassine Koubaa
2009	—	`conf`	Modelling and identification of MIMO nonlinear systems by TS fuzzy application to laboratory quadruple-tank process. ECC Ahmed El Hajjaji, Mohammed Chadli
2009	—	`conf`	Robust control of T-S fuzzy systems with time-varying delay: New approach. CDC Hamdi Gassara, Ahmed El Hajjaji, Mohamed Chaabane
2009	—	`conf`	Robust stability and stabilisation conditions for time-delay fuzzy systems using fuzzy weighting-dependent approach. ECC Hamdi Gassara, Ahmed El Hajjaji, Mohamed Chaabane
2008	—	`conf`	Fault Diagnosis of a Vehicle with Soft Computing Methods. MICAI Juan Pablo Nieto González, Luis E. Garza-Castañón, Abdelhamid Rabhi, Ahmed El Hajjaji
2008	J	`jnl`	Robust output fuzzy control for vehicle lateral dynamic stability improvement. Int. J. Model. Identif. Control. Mohammed Chadli, Ahmed El Hajjaji, Mohammed Oudghiri-Bentaie
2007	C	`conf`	A fuzzy approach for sensor fault-tolerant control of vehicle lateral dynamics. CCA Mohammed Oudghiri-Bentaie, Mohammed Chadli, Ahmed El Hajjaji
2007	B	`conf`	Four-Wheel Steering Vehicle Control using Takagi-Sugeno Fuzzy Models. FUZZ-IEEE Wissam El Messoussi, Olivier Pagès, Ahmed El Hajjaji
2007	—	`conf`	Vehicle yaw control using a robust H∞ observer-based fuzzy controller design. CDC Mohammed Oudghiri-Bentaie, Mohammed Chadli, Ahmed El Hajjaji
2006	J	`jnl`	Comment on "Observer-based robust fuzzy control of nonlinear systems with parametric uncertainties". Fuzzy Sets Syst. Mohammed Chadli, Ahmed El Hajjaji
2006	C	`conf`	Observer-based robust control of uncertain fuzzy dynamic systems with pole placement constraints: an LMI approach. ACC Wissam El Messoussi, Olivier Pagès, Ahmed El Hajjaji
2006	C	`conf`	Observer-based robust fuzzy control for vehicle lateral dynamics. ACC Ahmed El Hajjaji, Mohammed Chadli, Mohammed Oudghiri, Olivier Pagès
2006	C	`conf`	On stabilizability of stochastic fuzzy systems. ACC El-Kébir Boukas, Ahmed El Hajjaji
2005	J	`jnl`	Four wheel steering control by fuzzy approach. J. Intell. Robotic Syst. Ahmed El Hajjaji, Adrian Ciocan, Denis Hamad
2005	—	`conf`	Output robust stabilisation of uncertain Takagi-Sugeno model. CDC/ECC Mohammed Chadli, Ahmed El Hajjaji
2005	—	`conf`	Robust Output Fuzzy Control: Application to Vehicle Lateral Dynamics. EUSFLAT Conf. Mohammed Chadli, Ahmed El Hajjaji
2005	—	`conf`	Robust Pole Placement for Fuzzy Models with Parametric Uncertainties: An LMI Approach. EUSFLAT Conf. Wissam El Messoussi, Olivier Pagès, Ahmed El Hajjaji
2005	—	`conf`	Two Fuzzy Multiple Reference Model Tracking Control Designs with an Application to Vehicle Lateral Dynamics Control. CDC/ECC Olivier Pagès, Ahmed El Hajjaji
2003	J	`jnl`	Fuzzy path tracking control for automatic steering of vehicles. Robotics Auton. Syst. Ahmed El Hajjaji, Said Bentalba
2003	B	`conf`	H SMC Olivier Pagès, Ahmed El Hajjaji, Raúl Ordóñez
2001	J	`jnl`	Modeling and nonlinear control of magnetic levitation systems. IEEE Trans. Ind. Electron. Ahmed El Hajjaji, Mustapha Ouladsine
1999	J	`jnl`	Identification of interconnected multiple-input multiple-output systems: application to a multiple-input multiple-output thermal process. Int. J. Syst. Sci. Mustapha Ouladsine, Ahmed El Hajjaji, Ahmed Rachid