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Modelado y Control de un Exoesqueleto para la Rehabilitación de Extremidad Inferior con dos grados de libertad

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Modelado y Control de un Exoesqueleto para la Rehabilitación de Extremidad Inferior con dos grados de libertad

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dc.contributor.author López, Ricardo es_ES
dc.contributor.author Aguilar, Hipólito es_ES
dc.contributor.author Salazar, Sergio es_ES
dc.contributor.author Lozano, Rogelio es_ES
dc.contributor.author Torres, Jorge A. es_ES
dc.date.accessioned 2020-05-22T18:34:10Z
dc.date.available 2020-05-22T18:34:10Z
dc.date.issued 2014-07-06
dc.identifier.issn 1697-7912
dc.identifier.uri http://hdl.handle.net/10251/144171
dc.description.abstract [EN] Exoskeletons are robots attached to the extremities of the human body focused on increasing their strength, speed and performance primarily. The applications are in the military, industry and medical. The exoskeleton can be used for the rehabilitation of limbs because of accident or illness that can cause little muscle activity or null. This article presents an exoskeleton of two degrees of freedom that is used to ankle and knee exercise rehabilitation. The design and manufacture of the exoskeleton is based on the instrumentation of a right lower limb orthoses. The exoskeleton contains sensors to estimate the force produced by a human and contains SEA actuators (Serial Elastics Actuators) that used to amplify the human force. Also contains sensors to estimate the position and angular velocity in joints. This paper presents in general: a study of the dynamic model of the exoskeleton and actuators coupled through the singular perturbation method, the design of a control based on the sum of forces generated by the human and the exoskeleton, and the design and manufacture of an experimental prototype. The simulation result shows that the sum of forces between the human and the exoskeleton is controlled to obtain a desired angular position of the joints (knee and ankle). Experimental results show that exist a human force amplification generated by the exoskeleton, providing a reduction in the patient's effort to remain standing and bending exercises. Then force amplification can be increased or decreased as needed in different workouts that will allow the user an evolutionary improvement to achieve a full rehabilitation. es_ES
dc.description.abstract [ES] Los exoesqueletos mecánicos son robots acoplados a las extremidades del cuerpo humano enfocados en el incremento de su fuerza, velocidad y rendimiento principalmente. Las principales aplicaciones son en la milicia, en la industria y en la medicina. El exoesqueleto se puede utilizar para la rehabilitación de las extremidades cuando por causas de algún accidente o enfermedad se tiene una actividad muscular reducida o nula. En este artículo se presenta un exoesqueleto de dos grados de libertad para realizar ejercicios de rehabilitación para tobillo y rodilla. El diseño y fabricación del exoesqueleto está basado en la instrumentación de una ortesis del miembro inferior derecho. El Exoesqueleto utiliza sensores que estiman la fuerza producida por el humano y se encuentran incorporados en los actuadores de tipo SEA (Series Elastic Actuator) que se utilizan para amplificar la fuerza humana. Además mediante sensores se estima la posición y velocidad angular de las articulaciones, que se utilizan para controlar el movimiento de la pierna. En el artículo se presentan: un estudio del modelo dinámico del exoesqueleto y de los actuadores acoplados por medio del método de perturbaciones singulares, el diseño de un control basado en la suma de fuerzas generadas por el humano y el exoesqueleto, el diseño y fabricación del prototipo experimental y sus actuadores. Se realizaron simulaciones que muestran el buen desempeño del controlador propuesto. Los resultados experimentales muestran que existe una amplificación de la fuerza generada por el portador y amplificada por la mecánica del exoesqueleto, ofreciendo una disminución en el esfuerzo del usuario para mantenerse de pie y realizar ejercicios de flexión y extensión de las articulaciones. De manera que la amplificación de la fuerza puede aumentarse o disminuirse según se necesite, permitiendo al usuario una mejora evolutiva hasta llegar a la rehabilitación completa. es_ES
dc.language Español es_ES
dc.publisher Elsevier es_ES
dc.relation.ispartof Revista Iberoamericana de Automática e Informática industrial es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Mechanical Exoskeleton es_ES
dc.subject Rehabilitation es_ES
dc.subject Force control es_ES
dc.subject SEA Actuators es_ES
dc.subject Exoesqueleto Mecánico es_ES
dc.subject Rehabilitación es_ES
dc.subject Control de Fuerza es_ES
dc.subject Actuador SEA es_ES
dc.title Modelado y Control de un Exoesqueleto para la Rehabilitación de Extremidad Inferior con dos grados de libertad es_ES
dc.title.alternative Modeling and Control of a Exoskeleton for Lower Limb Rehabilitation with two degrees of freedom es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1016/j.riai.2014.02.008
dc.rights.accessRights Abierto es_ES
dc.description.bibliographicCitation López, R.; Aguilar, H.; Salazar, S.; Lozano, R.; Torres, JA. (2014). Modelado y Control de un Exoesqueleto para la Rehabilitación de Extremidad Inferior con dos grados de libertad. Revista Iberoamericana de Automática e Informática industrial. 11(3):304-314. https://doi.org/10.1016/j.riai.2014.02.008 es_ES
dc.description.accrualMethod OJS es_ES
dc.relation.publisherversion https://doi.org/10.1016/j.riai.2014.02.008 es_ES
dc.description.upvformatpinicio 304 es_ES
dc.description.upvformatpfin 314 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 11 es_ES
dc.description.issue 3 es_ES
dc.identifier.eissn 1697-7920
dc.relation.pasarela OJS\9443 es_ES
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