Abstract
In this paper the constraint equations for two parallel robots for lower limb rehabilitation are derived. A parameterization method was used where the mobile platform coordinates (written with the Study parameters) were eliminated and the constraints were computed with Groebner bases. For the two parallel robots (RAISE, RECOVER ankle module) the dependencies between the active joints of the robot and the anatomic joints were obtained. For RAISE the results agreed with previous ones, whereas for RECOVER ankle module the results showed simple equations which may be used for the complete analysis of the mechanism and for the control development.
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Acknowledgements
The paper presents results from the research activities of the project ID 37_215, MySMIS code 103415 “Innovative approaches regarding the rehabilitation and assistive robotics for healthy ageing” co-financed by the European Regional Development Fund through the Competitiveness Operational Programme 2014-2020, Priority Axis 1, Action 1.1.4, through the financing contract 20/01.09.2016, between the Technical University of Cluj-Napoca and ANCSI as Intermediary Organism in the name and for the Ministry of European Funds.
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Birlescu, I. et al. (2021). Motion Parameterization of Parallel Robots Used in Lower Limb Rehabilitation. In: Lenarčič, J., Siciliano, B. (eds) Advances in Robot Kinematics 2020. ARK 2020. Springer Proceedings in Advanced Robotics, vol 15. Springer, Cham. https://doi.org/10.1007/978-3-030-50975-0_8
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DOI: https://doi.org/10.1007/978-3-030-50975-0_8
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