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During muscle contractions, radial-force distributions are generated on muscle surfaces due to muscle-volume changes, from which the corresponding body motions can be recorded by means of so-called force myography (FMG). Piezo-or ferroelectrets are flexible piezoelectric materials with attractive materials and sensing properties. In addition to several other applications, they are suitable for detecting...
Piezoelectrets are polymer-foam based space-charge electrets with strong piezoelectric effect. The piezoelectricity in piezoelectrets occurs due to the elastic heterogeneous cellular structure and the regularly arranged dipolar space charges stored therein. Some polymers have been experimented for piezoelectret preparation, where polypropylene (PP) is the mostly applied material at present. PP piezoelectrets...
Robotic hands are very essential to upper-limb amputees for their hand function restoration. However, most of the commercially available robotic hands do not have a sensation of touching or slipping, and thus it is not easy to properly grasp objects only with a visual feedback. Different sensing technologies have been proposed for tactile and slip signal detection in robotic hands, but practical applications...
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