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Design and Modeling of a Compact Rotary Series Elastic Actuator for an Elbow Rehabilitation Robot

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dc.contributor.authorZhang, Qiang
dc.contributor.authorXu, Benyan
dc.contributor.authorGuo, Zhao
dc.contributor.authorXiao, Xiachui
dc.date.accessioned2025-01-07T20:19:14Z
dc.date.available2025-01-07T20:19:14Z
dc.date.copyright© 2017 the authors
dc.date.issued2017-08-06
dc.description.abstractRehabilitation robot has direct physical interaction with human body, in which the adaptability to interaction, safety and robustness is of great significance. In this paper, a compact rotary series elastic actuator (SEA) is proposed to develop an elbow rehabilitation robot for assisting stroke victims with upper limb impairments perform activities of daily living (ADLs). The compliant SEA ensures inherent safety and improves torque control at the elbow joint of this rehabilitation robot. After modeling of the rotary stiffness and dynamics of the SEA, a PD feedback plus feedforward control architecture is introduced. A test bench has been designed to experimentally characterize the performance of the proposed compliant actuator with controller. It shows an excellent torque tracking performance at low motion frequency, which can satisfy the elbow rehabilitation training requirement. These preliminary results can be readily extended to a full upper limb exoskeleton-type rehabilitation robot actuated by SEA without much difficulty.
dc.format.mimetypeapplication/pdf
dc.identifier.citationZhang, Q., Xu, B., Guo, Z., Xiao, X. (2017). Design and Modeling of a Compact Rotary Series Elastic Actuator for an Elbow Rehabilitation Robot. In: Huang, Y., Wu, H., Liu, H., Yin, Z. (eds) Intelligent Robotics and Applications. ICIRA 2017. Lecture Notes in Computer Science, vol 10464. Springer, Cham. https://doi.org/10.1007/978-3-319-65298-6_5
dc.identifier.doihttps://doi.org/10.1007/978-3-319-65298-6_5
dc.identifier.orcidhttps://orcid.org/0000-0002-8806-9672
dc.identifier.urihttps://ir.ua.edu/handle/123456789/15112
dc.languageEnglish
dc.language.isoen_US
dc.publisherSpringer
dc.rights.licenseThis work is licensed under a CC BY-NC 4.0 license.
dc.subjectSeries elastic actuator (SEA)
dc.subjectPD feedback control
dc.subjectTorque control
dc.subjectElbow rehabilitation robot
dc.titleDesign and Modeling of a Compact Rotary Series Elastic Actuator for an Elbow Rehabilitation Robot
dc.typeconference paper

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Research and Publications - Department of Mechanical Engineering