نتایج جستجو برای: wpt

تعداد نتایج: 746  

2011
A. J. Ustariz E. A. C. Plata H. E. Tacca

In this paper, a single discriminating indicator to assess the deterioration of power quality (Deviation Factor of Power Quality) is proposed using tensor analysis and wavelet packet transform (WPT). This factor can be used in the presence of stationary and non-stationary power quality disturbances. In addition, practical examples are included to validate the deviation factor of power quality.

2005
Ying Zhang Stephan Vogel

This article describes the competitive grouping algorithm at the core of our Integrated Segmentation and Alignment (ISA) model. ISA extracts phrase pairs from a bilingual corpus without requiring the precalculated word alignment as many other phrase alignment models do. Experiments conducted within the WPT-05 shared task on statistical machine translation demonstrate the simplicity and effectiv...

Journal: :Compel-the International Journal for Computation and Mathematics in Electrical and Electronic Engineering 2021

Purpose The purpose of this study is to search for an optimal core shape that robust against misalignment between the transmitting and receiving coils wireless power transfer (WPT) device. During optimization process, authors maximize coupling coefficients while minimizing leakage flux around ensure safety WPT Design/methodology/approach In study, a novel topology method devices using geometry ...

Journal: :Bulletin of Electrical Engineering and Informatics 2021

Power domain based multiple access scheme is introduced in this paper, namely Non-orthogonal multiple-access (NOMA). We deploy a wireless network using NOMA together with power transfer (WPT) for dedicated user over Nakagami-$m$ fading channel. When combined, these promising techniques (NOMA and WPT) improve the system performance term of ergodic at reasonable coefficient harvested power. Howev...

Journal: :The Journal of Korean Institute of Electromagnetic Engineering and Science 2019

2012
Jason Gilbert Randall Anton Villado Christina Upchurch

Is Retest Bias Biased? An Examination of Race, Sex, and Ability Differences in Retest Performance on the Wonderlic Personnel Test by Jason Gilbert Randall Research suggests there may be race, sex, and ability differences in score improvement on different selection tests and methods when retested (Schleicher, Van Iddekinge, Morgeson, & Campion, 2010). However, it is uncertain what individual dif...

Journal: :Vietnam Journal of Science and Technology 2022

Recently, wireless power transfer (WPT) has been a topic of interest due to its attractive applications in modern life. Starting from Tesla’s idea about century ago, WPT developed tremendously and appeared many the most electronic devices. However, some systems still have limitations such as short transmission distance, low efficiency, electromagnetic leakage. Magnetic metamaterial (MM) is pote...

Journal: :IEEE Wireless Communications Letters 2022

Wireless power transfer (WPT) is a promising technology for powering up distributed devices in machine type networks. Over the last decade magnetic resonant coupling (MRC) received significant interest from research community, since it suitable realizing mid-range WPT. In this letter, we investigate performance of single cell MRC-WPT network with multiple receivers, each equipped an electromagn...

Journal: :Energies 2021

A wireless charging pad for drones based on resonant magnetic technology to recharge the internal battery is presented. The goal of study was design a robust, reliable and efficient station where drone can land automatically its battery. components power transfer (WPT) system board must be compact light in order not alter payload drone. In this study, non-planar receiving coil WPT integrated in...

Journal: :Electronics 2023

Wireless power transmission (WPT) is commonly used today in many important daily applications, such as electric vehicles, mobile phones, and implanted medical devices. The transmitter receiver coils are essential elements the WPT system, coupling coefficient between these plays an role increasing transfer efficiency. In this work, we introduce a new approach to optimizing by changing geometries...

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