Abstract
Several are the diseases that cause difficulties in walking. This chapter concerns the assistance of deficient kids using a robotic system. In this context, the lokomat appears to be the most suitable system for kids suffering from cerebral palsy. Hence, PID controllers based on feedback linearization and adaptive feedback linearization approaches have been proposed to control 2 DOF exoskeletons which are considered as the fundamental part of the lokomat system. Besides, in order to test the effectiveness and the robustness of these controllers, several cases have been proposed. Simulations were carried out to compare and to show the well desired trajectory tracking in these cases.
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Acknowledgements
The present work is supported by (i) the “Association de Sauvegarde des Handicapés Moteurs - Sfax” (ASHMS), the (ii) Clinical Investigation Center (CIC) of the Hospitalo—University Center of Sfax (CHU) Tunisia, (iii) the Laboratory “Control & Energy Managements” (CEMLab) of the “National School of Engineering of Sfax”, University of Sfax, Tunisia, and (iv) the Digital Research Center of Sfax, Tunisia (CRNS).
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Jribi, R., Maalej, B., Derbel, N. (2020). Exoskeletons Control via Computed Torque for Lower Limb Rehabilitation. In: Ghommam, J., Derbel, N., Zhu, Q. (eds) New Trends in Robot Control. Studies in Systems, Decision and Control, vol 270. Springer, Singapore. https://doi.org/10.1007/978-981-15-1819-5_7
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