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Authors = Alessandro Persichetti

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25 pages, 2061 KiB  
Review
A Flexible Sensor Technology for the Distributed Measurement of Interaction Pressure
by Marco Donati, Nicola Vitiello, Stefano Marco Maria De Rossi, Tommaso Lenzi, Simona Crea, Alessandro Persichetti, Francesco Giovacchini, Bram Koopman, Janez Podobnik, Marko Munih and Maria Chiara Carrozza
Sensors 2013, 13(1), 1021-1045; https://doi.org/10.3390/s130101021 - 15 Jan 2013
Cited by 74 | Viewed by 16647
Abstract
We present a sensor technology for the measure of the physical human-robot interaction pressure developed in the last years at Scuola Superiore Sant’Anna. The system is composed of flexible matrices of opto-electronic sensors covered by a soft silicone cover. This sensory system is [...] Read more.
We present a sensor technology for the measure of the physical human-robot interaction pressure developed in the last years at Scuola Superiore Sant’Anna. The system is composed of flexible matrices of opto-electronic sensors covered by a soft silicone cover. This sensory system is completely modular and scalable, allowing one to cover areas of any sizes and shapes, and to measure different pressure ranges. In this work we present the main application areas for this technology. A first generation of the system was used to monitor human-robot interaction in upper- (NEUROExos; Scuola Superiore Sant’Anna) and lower-limb (LOPES; University of Twente) exoskeletons for rehabilitation. A second generation, with increased resolution and wireless connection, was used to develop a pressure-sensitive foot insole and an improved human-robot interaction measurement systems. The experimental characterization of the latter system along with its validation on three healthy subjects is presented here for the first time. A perspective on future uses and development of the technology is finally drafted. Full article
(This article belongs to the Special Issue State-of-the-Art Sensors Technology in Italy 2012)
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21 pages, 1299 KiB  
Article
Sensing Pressure Distribution on a Lower-Limb Exoskeleton Physical Human-Machine Interface
by Stefano Marco Maria De Rossi, Nicola Vitiello, Tommaso Lenzi, Renaud Ronsse, Bram Koopman, Alessandro Persichetti, Fabrizio Vecchi, Auke Jan Ijspeert, Herman Van der Kooij and Maria Chiara Carrozza
Sensors 2011, 11(1), 207-227; https://doi.org/10.3390/s110100207 - 28 Dec 2010
Cited by 101 | Viewed by 26983
Abstract
A sensory apparatus to monitor pressure distribution on the physical human-robot interface of lower-limb exoskeletons is presented. We propose a distributed measure of the interaction pressure over the whole contact area between the user and the machine as an alternative measurement method of [...] Read more.
A sensory apparatus to monitor pressure distribution on the physical human-robot interface of lower-limb exoskeletons is presented. We propose a distributed measure of the interaction pressure over the whole contact area between the user and the machine as an alternative measurement method of human-robot interaction. To obtain this measure, an array of newly-developed soft silicone pressure sensors is inserted between the limb and the mechanical interface that connects the robot to the user, in direct contact with the wearer’s skin. Compared to state-of-the-art measures, the advantage of this approach is that it allows for a distributed measure of the interaction pressure, which could be useful for the assessment of safety and comfort of human-robot interaction. This paper presents the new sensor and its characterization, and the development of an interaction measurement apparatus, which is applied to a lower-limb rehabilitation robot. The system is calibrated, and an example its use during a prototypical gait training task is presented. Full article
(This article belongs to the Special Issue Sensors in Biomechanics and Biomedicine)
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