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Lucas Kwai Hong Lui and C. K. M. Lee
This research investigated a mathematical model of earphone design with principal component analysis. Along with simplifying the design problem, a predictive model for the sound quality indicators, namely, total harmonic distortion, power of output, rang...
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M. El Arayshi, C. M. Verrelli, G. Saggio, M. Iosa, A. E. Gentile, L. Chessa, M. Ruggieri and A. Polizzi
Background. It has been shown in the very recent literature that human walking generates rhythmic motor patterns with hidden time harmonic structures that are represented (at the subject?s comfortable speed) by the occurrence of the golden ratio as the t...
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Xiaolong Zong, Ruzhen Zhang, Shuwen Zhang, Fangjing Deng, Wei Zhou and Zhaoyun Chen
In the background of global warming and climate change, nuisance flooding is only caused by astronomical tides, which could be modulated by the nodal cycle. Therefore, much attention should be paid to the variation in the amplitude of the nodal cycle. In...
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Ondrej Lipcak, Pavel Karlovsky, Pavel Kobrle and Jan Bauer
The current and torque ripple of inverter-fed induction motor drives is an inherent problem of control strategies working with switching frequencies in the range of multiple kilohertz, such as direct torque and, more recently, predictive torque control. ...
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Dionisis Voglitsis, Fotis Valsamas, Nick Papanikolaou, Aristotelis Tsimtsios, Ioannis Perpinias and Christos Korkas
In this work the harmonic injection active anti-islanding technique that has been recently proposed in reference Voglitsis et al. (2018) published in Trans. Power Electron. is generalized under the prospect of a high penetration level of distributed ener...
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Jiesi Luo and Shaohui Zhang
The periodic impulse characteristics caused by rolling bearing damage are weak in the incipient failure stage. Thus, these characteristics are always drowned out by background noise and other harmonic interference. A novel approach based on multi-resolut...
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Tiago E. C. de Oliveira, Pedro M. S. Carvalho, Paulo F. Ribeiro and Benedito D. Bonatto
This paper introduces a brief analysis on hosting capacity and related concepts as applied to distribution network systems. Furthermore, it addresses the applicability of hosting capacity study methodologies to harmonic voltage distortion caused by photo...
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