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Título: | ARES, a variable stiffness actuator with embedded force sensor for the ATLAS exoskeleton |
Autor: | Cestari, Manuel CSIC ORCID; Sanz Merodio, Daniel CSIC; Arévalo Reggeti, Juan Carlos R. CSIC; García Armada, Elena CSIC ORCID | Palabras clave: | Compliant mechanisms Service robots Rehabilitation robots Exoskeletons Prosthetics Sensors |
Fecha de publicación: | 2014 | Editor: | Emerald Group Publishing | Citación: | Industrial Robot 41: 518- 526 (2014) | Resumen: | The purpose of this study is to present a variable stiffness actuator, one of whose main features is that the compliant elements simultaneously allow measuring of the torque exerted by the joint. Conceived as a force-controlled actuator, this actuator with Adjustable Rigidity and Embedded Sensor (ARES) is intended to be implemented in the knee of the ATLAS exoskeleton for children to allow the exploitation of the intrinsic dynamic during the locomotion cycle. Design/methodology/approach - A set of simulations were performed to evaluate the behavior of the actuator mechanism and a prototype of the variable impedance actuator was incorporated into the exoskeleton's knee and evaluations of the torque measurements capabilities along with the rigidity adjustments were made. Findings - Mass and inertia of the actuator are minimized by the compact design and the utilization of the different component for more than one utility. By a proper match of the compliance of the joint and the performed task, good torque measurements can be achieved and no bandwidth saturation is expected. Originality/value - In the actuator, the compliant elements simultaneously allow measuring of the torque exerted by the join. By a proper match of the compliance of the joint and the performed task, good torque measurements can be achieved and no bandwidth saturation is expected. © Emerald Group Publishing Limited. Purpose - | Versión del editor: | http://dx.doi.org/10.1108/IR-06-2014-0350 | URI: | http://hdl.handle.net/10261/111296 | DOI: | 10.1108/IR-06-2014-0350 | ISSN: | 0143-991X |
Aparece en las colecciones: | (CAR) Artículos |
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accesoRestringido.pdf | 15,38 kB | Adobe PDF | Visualizar/Abrir |
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