In this paper, the problem of robotic rehabilitation of upper limbs is addressed by focusing attention on the control of a standard collaborative robot for those training activities that can be performed with the aid of an end-effector type system. In particular, a novel admittance control, that constrains the motion of the robot along a prescribed path without imposing a specific time law along it, has been devised. The proposed approach exploits the features of the arc-length parameterization of a generic curve to obtain a simple control formulation able to guide the patient in both a passive or an active way, with the possibility of supporting the execution of the task with an additional force or opposing the motion with a braking force. Being the method independent from the particular curve considered for the constraint specification, it allows an intuitive definition of the task to be performed via Programming by Demonstration. Experimental results show the effectiveness of the proposed approach.

Path-Constrained Admittance Control of Human-Robot Interaction for Upper Limb Rehabilitation / Onfiani, D.; Caramaschi, M.; Biagiotti, L.; Pini, F.. - 13817:(2022), pp. 143-153. (Intervento presentato al convegno 14th International Conference on Social Robotics (ICSR) - Social Robots for Assisted Living and Healthcare, Emphasizing on the Increasing Importance of Social Robotics in Human Daily Living and Society tenutosi a Florence, ita nel DEC 13-16, 2022) [10.1007/978-3-031-24667-8_13].

Path-Constrained Admittance Control of Human-Robot Interaction for Upper Limb Rehabilitation

Onfiani D.
;
Biagiotti L.;Pini F.
2022

Abstract

In this paper, the problem of robotic rehabilitation of upper limbs is addressed by focusing attention on the control of a standard collaborative robot for those training activities that can be performed with the aid of an end-effector type system. In particular, a novel admittance control, that constrains the motion of the robot along a prescribed path without imposing a specific time law along it, has been devised. The proposed approach exploits the features of the arc-length parameterization of a generic curve to obtain a simple control formulation able to guide the patient in both a passive or an active way, with the possibility of supporting the execution of the task with an additional force or opposing the motion with a braking force. Being the method independent from the particular curve considered for the constraint specification, it allows an intuitive definition of the task to be performed via Programming by Demonstration. Experimental results show the effectiveness of the proposed approach.
2022
14th International Conference on Social Robotics (ICSR) - Social Robots for Assisted Living and Healthcare, Emphasizing on the Increasing Importance of Social Robotics in Human Daily Living and Society
Florence, ita
DEC 13-16, 2022
13817
143
153
Onfiani, D.; Caramaschi, M.; Biagiotti, L.; Pini, F.
Path-Constrained Admittance Control of Human-Robot Interaction for Upper Limb Rehabilitation / Onfiani, D.; Caramaschi, M.; Biagiotti, L.; Pini, F.. - 13817:(2022), pp. 143-153. (Intervento presentato al convegno 14th International Conference on Social Robotics (ICSR) - Social Robots for Assisted Living and Healthcare, Emphasizing on the Increasing Importance of Social Robotics in Human Daily Living and Society tenutosi a Florence, ita nel DEC 13-16, 2022) [10.1007/978-3-031-24667-8_13].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1303466
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