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Adaptive Observer-Based Output Feedback Control for Two-Wheeled Self-Balancing Robot

Author

Listed:
  • Ines Jmel
  • Habib Dimassi
  • Salim Hadj Said
  • Faouzi M’Sahli

Abstract

In this paper, an output feedback control approach based on an adaptive observer is developed for the two-wheeled self-balancing robot subject to unknown parameters (with nonlinear parameterization). Firstly, a high gain control method with state feedback is proposed. Then, an adaptive observer is designed to estimate the unknown state and the unknown body mass of the robot which influences the height of the center of mass. Next, the adaptive observer is combined with the designed high gain controller: a Lyapunov-based stability analysis of the closed loop system is developed to establish the convergence of the tracking error as well as estimation and adaptation errors. Simulation results assert the performance of the developed tracking control scheme for the two-wheeled self-balancing robot subject to mass variation.

Suggested Citation

  • Ines Jmel & Habib Dimassi & Salim Hadj Said & Faouzi M’Sahli, 2020. "Adaptive Observer-Based Output Feedback Control for Two-Wheeled Self-Balancing Robot," Mathematical Problems in Engineering, Hindawi, vol. 2020, pages 1-16, January.
    • Handle: RePEc:hin:jnlmpe:5162172
    DOI: 10.1155/2020/5162172
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