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One of the most challenging issues of granular jamming robots is both predicting and measuring the stiffness variations which are a direct function of elastic module. In this regard, in previous researches, it had demonstrated that the elastic module of robot's bulk is a fundamental function of vacuum pressure and must be acquired by experimental tests. However, there was not a unique formulation...
In this paper, a practical rule-based guideline has been presented for on-line detection of partial discharge (PD) defected phase (i.e., phase selection) followed by discriminating PD defected cable section (i.e., localization) in cross-bonded single core cable networks. Both goals are met by relying on the proposed rules that take the advantages of an energy-based index, calculated/measured at different...
In this paper, we extracted scaling exponents of multichannel EEG signals recorded from two groups of artists and non-artists. We compared them to investigate the difference between artists and non-artists. The EEG signals were recorded while the subjects performed four tasks of visual perception, four tasks of mental imagery and at resting condition. We used Davies-Bouldin's index for evaluation...
A novel photonic crystal fiber (PCF) structure with two different air-hole sizes is proposed. The PCF has ultra-flattened dispersion and negligible confinement loss characteristics throughout the telecommunication bands (O-band to L-band). The design strategy to achieve these properties is based on optimization of two air-hole diameters. Furthermore, the PCF has only five rings of air-holes to control...
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