Silicone-based dielectric elastomer sensors (DESs) are highly flexible, fast responding, energy efficient, and low-cost transducers which are highly suitable for integration in existing wearable systems. This paper aims at investigating the sensor properties of a DES system shaped in a matrix configuration. For the DES matrix, an LCR-meter is used to characterize the capacitance, while a separate measurement technique is used to detect the total electrode resistance. The collected data are then compared with the measurements obtained via a commercially available integrated circuit. The electrical characteristic of the proposed DE layout is then studied, and the capability of standard integrated circuits in handling DES systems is experimentally evaluated.
Due to recent progress in human-machine interaction towards industry 4.0 applications, the development of interfaces ensuring a safe collaboration between handling devices and workers is gaining a significant attention. For such applications, integration of wearable and highly stretchable actuator/sensor elements permits to endow the handling system with advanced and intelligent features. This paper presents on the development of a novel intelligent glove system which makes use of highly stretchable dielectric elastomer (DE) transducers as textile-integrated actuator and sensor components. The presented DE system can be used, e.g., as an adaptive assistance tool suitable for industry 4.0 environment. As a first step towards the development of the intelligent glove prototype, this paper mainly focuses on DE-based integrated force measurements. Different concepts for DE-based force measurements are presented and compared. Some of these sensing strategies are then selected, and their performance compared within the context of human-machine interaction and user interfaces.
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