Abstract
Introduction: In this paper, a robust sliding mode controller is developed to control an orthosis used for rehabilitation of lower limb.
Materials and Methods: The orthosis is defined as a mechanical device intended to physically assist a human subject for the realization of his movements. It should be adapted to the human morphology, interacting in harmony with its movements, and providing the necessary efforts along with the limbs to which it is attached.
Results: The application of the sliding mode control to the Shank-orthosis system shows satisfactory dynamic response and tracking performances.
Conclusion: In fact, position tracking and speed tracking errors are very small. The sliding mode controller effectively absorbs disturbance and parametric variations, hence the efficiency and robustness of our applied control.
Keywords: Rehabilitation, orthosis, dynamic modeling, sliding mode control, PID, IMC.
Graphical Abstract
Current Signal Transduction Therapy
Title:Sliding Mode Control of an Actuated Knee Joint Orthosis
Volume: 16 Issue: 3
Author(s): Imen Saidi*Asma Hammami
Affiliation:
- Laboratory of Research in Automatic Control - LA.R.A, National Engineering School of Tunis (ENIT), University of Tunis El Manar, Tunis,Tunisia
Keywords: Rehabilitation, orthosis, dynamic modeling, sliding mode control, PID, IMC.
Abstract:
Introduction: In this paper, a robust sliding mode controller is developed to control an orthosis used for rehabilitation of lower limb.
Materials and Methods: The orthosis is defined as a mechanical device intended to physically assist a human subject for the realization of his movements. It should be adapted to the human morphology, interacting in harmony with its movements, and providing the necessary efforts along with the limbs to which it is attached.
Results: The application of the sliding mode control to the Shank-orthosis system shows satisfactory dynamic response and tracking performances.
Conclusion: In fact, position tracking and speed tracking errors are very small. The sliding mode controller effectively absorbs disturbance and parametric variations, hence the efficiency and robustness of our applied control.
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Cite this article as:
Saidi Imen *, Hammami Asma , Sliding Mode Control of an Actuated Knee Joint Orthosis, Current Signal Transduction Therapy 2021; 16 (3) . https://dx.doi.org/10.2174/1574362415999210104223820
DOI https://dx.doi.org/10.2174/1574362415999210104223820 |
Print ISSN 1574-3624 |
Publisher Name Bentham Science Publisher |
Online ISSN 2212-389X |
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