Characterization of piezoresistive sensors for goniometric glove in hand prostheses
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Piezoresistive sensors can be successfully adopted in many field where bend angles need to be measured. In particular, attention must be paid for increase the sensor numbers, applied to body-sample, which give parallel information on the movement activity. The possibility to capture information from the sensors adopting wireless technology can allow the increasing of sensor number, and the removing of wire ties between sensors and the central processor unit in normal human motion. We utilized these sensors to develop an instrumented glove to measure human joint fingers. The great advantage in applications of piezoresistive sensors rely on their pliability, sensitivity and cheapness. In any case, for effective results, it is mandatory a complete electrical sensor characterization, which lacks in literature and therefore it is the aim of this work.
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