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  1. Analysis and Control of the Chaotic Behavior of the Compass-Type Bipedal Walker: Comparison between two Controllers

    Article • Journal of Vibration Testing and System Dynamics, September 2024, L&H Scientific Publishing, LLC

    Professor Hassène Gritli

  2. Investigating Feed-Forward Back-Propagation Neural Network with Different Hyperparameters for Inverse Kinematics of a 2-DoF Robotic Manipulator: A Comparative Study

    Article • Chaos Theory and Applications, June 2024, Akif Akgul

    Professor Hassène Gritli

  3. LMI-based State Feedback Control of the Underactuated InertiaWheel Inverted Pendulum to the Unstable Upright Position

    Article • Journal of Vibration Testing and System Dynamics, June 2024, L&H Scientific Publishing, LLC

    Professor Hassène Gritli

  4. An LMI-based robust state-feedback controller design for the position control of a knee rehabilitation exoskeleton robot: Comparative analysis

    Article • Measurement and Control, March 2024, SAGE Publications

    Professor Hassène Gritli

  5. A Robust LMI-Based Approach for the Position Control of a 1-DoF Knee Rehabilitation Exoskeleton Robot Considering State Constraints

    Article • March 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  6. Exploring Neural Networks for Forward Kinematics of the Robotic Arm with Different Length Configurations: A Comparative Analysis

    Article • March 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  7. Lower Limb Joint Torque Estimation via Bayesian Regularized Backpropagation Neural Networks

    Article • March 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  8. Fast terminal sliding mode control with rapid reaching law for a pediatric gait exoskeleton system

    Article • International Journal of Intelligent Robotics and Applications, February 2024, Springer Science + Business Media

    Professor Hassène Gritli

  9. Artificial Neural Networks for the Forward Kinematics of a SCARA Manipulator: A Comparative Study with Two Datasets

    Article • January 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  10. Investigating Neural Network Hyperparameter Variations in Robotic Arm Inverse Kinematics for Different Arm Lengths

    Article • January 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  11. Enhancing Knee Rehabilitation Exoskeleton Control via a Robust LMI-Based Strategy and by Considering State Constraints

    Article • December 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  12. CRNN-Based Classification of EMG Signals for the Rehabilitation of the Human Arm

    Article • December 2023, Springer Science + Business Media

    Professor Hassène Gritli

  13. LMI-Based Design of a Robust Affine Control Law for the Position Control of a Knee Exoskeleton Robot: Comparative Analysis of Stability Conditions

    Article • December 2023, Springer Science + Business Media

    Professor Hassène Gritli

  14. Position Control of Robotic Systems via Linear Controllers with Application to a Lower Limb Rehabilitation Exoskeleton Robot: Design and Comparative Analysis

    Article • December 2023, Springer Science + Business Media

    Professor Hassène Gritli

  15. Solving Inverse Kinematics Problem for Manipulator Robots Using Artificial Neural Network with Varied Dataset Formats

    Article • December 2023, Springer Science + Business Media

    Professor Hassène Gritli

  16. Feedforward Backpropagation Artificial Neural Network for Modeling the Forward Kinematics of a Robotic Manipulator

    Article • November 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  17. LMI-Based Design of an Affine PD Controller for the Robust Stabilization of the Knee Joint of a Lower-Limb Rehabilitation Exoskeleton

    Article • April 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  18. Design and Modeling of an Exoskeleton Robotic System for the Rehabilitation of Lower Limbs

    Article • April 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  19. Investigation of the Compass Biped Walker's Passive Dynamics and Trajectory Tracking Method for Chaos Control

    Article • April 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  20. Special Section Guest Editorial: Meeting the Challenges of Ecosystem Management using Remote Sensing

    Article • Journal of Applied Remote Sensing, April 2023, SPIE

    Professor Hassène Gritli

  21. A Composite Robust Position Control Design for an Actuated Knee Rehabilitation Exoskeleton

    Article • February 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  22. Lyapunov Exponents for Further Study of the Gait Complexity of the Passive Compass-Like Biped Walker

    Article • February 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  23. Robust LMI-Based State-Feedback Control of a Knee Exoskeleton Robotic System

    Article • February 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  24. Comparison Between Some Nonlinear Controllers for the Position Control of Lagrangian-type Robotic Systems

    Article • Chaos Theory and Applications, December 2022, Akif Akgul

    Professor Hassène Gritli, Associate Professor Giuseppe Carbone

  25. Occurrence of Complex Behaviors in the Uncontrolled Passive Compass Biped Model

    Article • Chaos Theory and Applications, December 2022, Akif Akgul

    Professor Hassène Gritli

  26. Classification of sEMG Biomedical Signals for Upper-Limb and Hand Rehabilitation Using a Hybrid CNN-SVM Architecture

    Article • October 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  27. LMI-based Optimization for the Position Feedback Control of Underactuated Robotic Systems via an Affine PD Controller: Case of the Pendubot

    Article • October 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  28. An Auto-ANN for EMG Classification for the Motion Recognition of the Human Hand

    Article • July 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  29. LMI-Based Position Control of Underactuated Robotic Systems via an Affine PD Controller: Case Study

    Article • July 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  30. Position Feedback Control of Lagrangian Robotic Systems via an Affine PD-Based Control Law. Part 2: Improved Results

    Article • May 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  31. Position Feedback Control of Lagrangian Robotic Systems via an Affine PD-Based Control Law. Part 1: Design of LMI Conditions

    Article • May 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  32. Design and Computation Aid of Command Gains for the Position Control of Manipulator Robots

    Article • March 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  33. Classification of sEMG Biomedical Signals for Upper-Limb Rehabilitation Using the Random Forest Method

    Article • March 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  34. Design of an Affine Control Law for the Position Control Problem of Robotic Systems Based on the Development of a Linear Dynamic Model

    Article • March 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  35. Determination of Conditions on Feedback Gains for the Position Control of Robotic Systems Under an Affine PD-Based Control Law

    Article • March 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  36. EMG Signal Classification for Human Hand Rehabilitation via Two Machine Learning Techniques: kNN and SVM

    Article • March 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  37. Master-Slave Tracking of a Rigid Double-Side SDOF Impact Mechanical Oscillator Using Polyhedral Sets

    Article • March 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  38. Position Control of Robotic Systems via an Affine PD-Based Controller: Comparison Between Two Design Approaches

    Article • March 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  39. Trajectory Tracking Control of the Compass-Type Bipedal Robot Gait via an Improved PD+ Controller

    Article • March 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  40. Trajectory tracking-based control of the chaotic behavior in the passive bipedal compass-type robot

    Article • The European Physical Journal Special Topics, February 2022, Springer Science + Business Media

    Professor Hassène Gritli

  41. Position Control of Lagrangian Robotic Systems via an Affine PID-Based Controller and Using the LMI Approach

    Article • January 2022, Springer Science + Business Media

    Professor Hassène Gritli

  42. Analysis and Control of the Dynamic Walking of the Compass Biped Walker Using Poincaré Maps: Comparison Between Two Design Approaches

    Article • December 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  43. A Brief Overview on Machine Learning in Rehabilitation of the Human Arm via an Exoskeleton Robot

    Article • October 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  44. A Convolutional Neural Network-Based Architecture for EMG Signal Classification

    Article • October 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  45. Further Analysis of the Passive Dynamics of the Compass Biped Walker and Control of Chaos via Two Trajectory Tracking Approaches

    Article • Complexity, October 2021, Hindawi Publishing Corporation

    Professor Hassène Gritli

  46. Automatic Detection of Power Quality Disturbance Using Convolutional Neural Network Structure with Gated Recurrent Unit

    Article • Mobile Information Systems, July 2021, Hindawi Publishing Corporation

    Professor Hassène Gritli

  47. Birth of the Neimark–Sacker Bifurcation for the Passive Compass-Gait Walker

    Article • July 2021, Springer Science + Business Media

    Professor Hassène Gritli

  48. A new Poincaré map for investigating the complex walking behavior of the compass-gait biped robot

    Article • Applied Mathematical Modelling, June 2021, Elsevier

    Professor Hassène Gritli

  49. Optimal Crop Selection Using Gravitational Search Algorithm

    Article • Mathematical Problems in Engineering, April 2021, Hindawi Publishing Corporation

    Professor Hassène Gritli

  50. Two-Way Feature Extraction Using Sequential and Multimodal Approach for Hateful Meme Classification

    Article • Complexity, April 2021, Hindawi Publishing Corporation

    Professor Hassène Gritli

  51. Control of the Compass-Gait Walker Using an Enhanced Poincaré Map and via LMI-Based Optimization

    Article • March 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  52. Further Analysis of the Passive Walking Gaits of the Compass Biped Robot: Bifurcations and Chaos

    Article • March 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  53. Modeling and Analysis of the Dynamic Walking of a Biped Robot with Knees

    Article • March 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  54. Additional Complex Behaviors, Bifurcations and Chaos, in the Passive Walk of the Compass-Type Bipedal Robot

    Article • IFAC-PapersOnLine, January 2021, Elsevier

    Professor Hassène Gritli

  55. LMI-based synthesis of a robust saturated controller for an underactuated mechanical system subject to motion constraints

    Article • European Journal of Control, January 2021, Elsevier

    Professor Hassène Gritli

  56. Occasional stabilisation of limit cycle walking and control of chaos in the passive dynamics of the compass-gait biped model

    Article • International Journal of Automation and Control, January 2021, Inderscience Publishers

    Professor Hassène Gritli

  57. Occasional stabilisation of limit cycle walking and control of chaos in the passive dynamics of the compass-gait biped model

    Article • International Journal of Automation and Control, January 2021, Inderscience Publishers

    Professor Hassène Gritli

  58. Control of the Passive Dynamic Gait of the Bipedal Compass-Type Robot Through Trajectory Tracking

    Article • December 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  59. Walking Stabilization of the Passive Bipedal Compass robot using a Second Explicit Expression of the Controlled Poincaré Map

    Article • December 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  60. Control of the Passive-Dynamic Locomotion of the Compass-Gait Biped Robot

    Article • December 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  61. Trajectory Design and Tracking-Based Control of the Passive Compass Biped

    Article • December 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  62. On LMI conditions to design robust static output feedback controller for continuous-time linear systems subject to norm-bounded uncertainties

    Article • International Journal of Systems Science, September 2020, Taylor & Francis

    Professor Hassène Gritli

  63. An Enhanced Poincaré Map Expression for the Passive Dynamic Walking of the Compass-Gait Biped Robot

    Article • July 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  64. Stabilization of the Passive Biped Dynamic Locomotion Using the Controlled Poincaré Map

    Article • July 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  65. Stabilization of the passive walking dynamics of the compass-gait biped robot by developing the analytical expression of the controlled Poincaré map

    Article • Nonlinear Dynamics, July 2020, Springer Science + Business Media

    Professor Hassène Gritli

  66. Erratum to: “Design of an explicit expression of the Poincaré map for the passive dynamic walking of the compass-gait biped model”

    Article • Chaos Solitons & Fractals, April 2020, Elsevier

    Professor Hassène Gritli

  67. An LMI-based design of a robust state-feedback control for the master-slave tracking of an impact mechanical oscillator with double-side rigid constraints and subject to bounded-parametric uncertainty

    Article • Communications in Nonlinear Science and Numerical Simulation, March 2020, Elsevier

    Professor Hassène Gritli

  68. LMI-Based Robust Stabilization of a Class of Input-Constrained Uncertain Nonlinear Systems with Application to a Helicopter Model

    Article • Complexity, January 2020, Hindawi Publishing Corporation

    Professor Hassène Gritli

  69. Design of an explicit expression of the Poincaré map for the passive dynamic walking of the compass-gait biped model

    Article • Chaos Solitons & Fractals, January 2020, Elsevier

    Professor Hassène Gritli

  70. Robust Static Output Feedback Stabilization of Continuous-Time Linear Systems via Enhanced LMI Conditions

    Article • IFAC-PapersOnLine, January 2020, Elsevier

    Professor Hassène Gritli

  71. Robust Position Control of a Two-Sided 1-DoF Impacting Mechanical Oscillator Subject to an External Persistent Disturbance by Means of a State-Feedback Controller

    Article • Complexity, December 2019, Hindawi Publishing Corporation

    Professor Hassène Gritli

  72. Robust master-slave synchronization of chaos in a one-sided 1-DoF impact mechanical oscillator subject to parametric uncertainties and disturbances

    Article • Mechanism and Machine Theory, December 2019, Elsevier

    Professor Hassène Gritli

  73. Poincaré maps design for the stabilization of limit cycles in non-autonomous nonlinear systems via time-piecewise-constant feedback controllers with application to the chaotic Duffing oscillator

    Article • Chaos Solitons & Fractals, October 2019, Elsevier

    Professor Hassène Gritli

  74. An Explicit Analytical Expression of the Poincaré Map for Analyzing Passive Dynamic Walking of the Compass-Gait Biped Model

    Article • March 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  75. LMI-Based Robust Position Control of an Impacting Oscillator with Double-Side Asymmetric Rigid Constraints

    Article • March 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  76. LMI-based Design of Robust Static Output Feedback Controller for Uncertain Linear Continuous Systems

    Article • March 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  77. Static Output Feedback Control of Discrete-Time Linear Systems: Background Results and New LMI Conditions

    Article • March 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  78. Robust feedback control of the underactuated Inertia Wheel Inverted Pendulum under parametric uncertainties and subject to external disturbances: LMI formulation

    Article • Journal of the Franklin Institute, December 2018, Elsevier

    Professor Hassène Gritli

  79. Diversity in the nonlinear dynamic behavior of a one-degree-of-freedom impact mechanical oscillator under OGY-based state-feedback control law: Order, chaos and exhibition of the border-collision bifurcation

    Article • Mechanism and Machine Theory, June 2018, Elsevier

    Professor Hassène Gritli

  80. New LMI Conditions for Static Output Feedback Control of Continuous-Time Linear Systems with Parametric Uncertainties

    Article • June 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  81. Walking dynamics of the passive compass-gait model under OGY-based state-feedback control: Rise of the Neimark–Sacker bifurcation

    Article • Chaos Solitons & Fractals, May 2018, Elsevier

    Professor Hassène Gritli

  82. A linear matrix inequality approach for the position control of a double-side impact mechanical oscillator via a state feedback law

    Article • March 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  83. LMI-Based Design of State Feedback Controller for Lipschitzian Nonlinear Systems

    Article • March 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  84. Robust Control of a Robotic Manipulator Using LMI-Based High-Gain State and Disturbance Observers

    Article • March 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  85. Robust Feedback Control of a Mechanical System Under Double-Side Constraints Using LMIs and Ellipsoidal Sets

    Article • March 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  86. Robust observer-based stabilization of linear systems with parametric uncertainties: Comparisons and suggested improvements

    Article • March 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  87. State-feedback control via LMI approach of a 1-DOF disturbed impacting mechanical oscillator under double-side rigid constraints

    Article • March 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  88. Complex walking behaviours, chaos and bifurcations of a simple passive compass-gait biped model suffering from leg length asymmetry

    Article • International Journal of Simulation and Process Modelling, January 2018, Inderscience Publishers

    Professor Hassène Gritli

  89. Complex walking behaviours, chaos and bifurcations of a simple passive compass-gait biped model suffering from leg length asymmetry

    Article • International Journal of Simulation and Process Modelling, January 2018, Inderscience Publishers

    Professor Hassène Gritli

  90. From Hopf Bifurcation to Limit Cycles Control in Underactuated Mechanical Systems

    Article • International Journal of Bifurcation and Chaos, June 2017, World Scientific Pub Co Pte Lt

    Professor Hassène Gritli, Dr Ahmed CHEMORI

  91. Walking dynamics of the passive compass-gait model under OGY-based control: Emergence of bifurcations and chaos

    Article • Communications in Nonlinear Science and Numerical Simulation, June 2017, Elsevier

    Professor Hassène Gritli

  92. Self-generated limit cycle tracking of the underactuated inertia wheel inverted pendulum under IDA-PBC

    Article • Nonlinear Dynamics, May 2017, Springer Science + Business Media

    Professor Hassène Gritli, Dr Ahmed CHEMORI

  93. Walking dynamics of the passive compass-gait model under OGY-based state-feedback control: Analysis of local bifurcations via the hybrid Poincaré map

    Article • Chaos Solitons & Fractals, May 2017, Elsevier

    Professor Hassène Gritli

  94. Displayed phenomena in the semi-passive torso-driven biped model under OGY-based control method: Birth of a torus bifurcation

    Article • Applied Mathematical Modelling, February 2016, Elsevier

    Professor Hassène Gritli

  95. Computation of the Lyapunov exponents in the compass-gait model under OGY control via a hybrid Poincaré map

    Article • Chaos Solitons & Fractals, December 2015, Elsevier

    Professor Hassène Gritli

  96. Bifurcations and chaos in the semi-passive bipedal dynamic walking model under a modified OGY-based control approach

    Article • Nonlinear Dynamics, October 2015, Springer Science + Business Media

    Professor Hassène Gritli

  97. Master-slave controlled synchronization to control chaos in an impact mechanical oscillator

    Article • March 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  98. Chaos Control of an Impact Mechanical Oscillator Based on the OGY Method

    Article • January 2015, IGI Global

    Professor Hassène Gritli

  99. Further Investigation of the Period-Three Route to Chaos in the Passive Compass-Gait Biped Model

    Article • January 2015, IGI Global

    Professor Hassène Gritli

  100. OGY-based control of chaos in semi-passive dynamic walking of a torso-driven biped robot

    Article • Nonlinear Dynamics, October 2014, Springer Science + Business Media

    Professor Hassène Gritli

  101. Chaos control in passive walking dynamics of a compass-gait model

    Article • Communications in Nonlinear Science and Numerical Simulation, August 2013, Elsevier

    Professor Hassène Gritli

  102. Period-three route to chaos induced by a cyclic-fold bifurcation in passive dynamic walking of a compass-gait biped robot

    Article • Communications in Nonlinear Science and Numerical Simulation, November 2012, Elsevier

    Professor Hassène Gritli

  103. CYCLIC-FOLD BIFURCATION AND BOUNDARY CRISIS IN DYNAMIC WALKING OF BIPED ROBOTS

    Article • International Journal of Bifurcation and Chaos, October 2012, World Scientific Pub Co Pte Lt

    Professor Hassène Gritli

  104. INTERMITTENCY AND INTERIOR CRISIS AS ROUTE TO CHAOS IN DYNAMIC WALKING OF TWO BIPED ROBOTS

    Article • International Journal of Bifurcation and Chaos, March 2012, World Scientific Pub Co Pte Lt

    Professor Hassène Gritli

  105. A Further Analysis of the Passive Compass-Gait Bipedal Robot and Its Period-Doubling Route to Chaos

    Article • February 2012, Springer Science + Business Media

    Professor Hassène Gritli

  106. Cyclic-fold bifurcation in passive bipedal walking of a compass-gait biped robot with leg length discrepancy

    Article • April 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  107. A period-three passive gait tracking control for bipedal walking of a compass-gait biped robot

    Article • March 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli

  108. Semi-passive control of a torso-driven compass-gait biped robot: bifurcation and chaos

    Article • March 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Hassène Gritli