Results 41 to 50 of about 676,492 (269)

An improved neural ensemble framework for accurate PV output power forecast

open access: yes, 2016
A significant role of renewable energy resource such as solar photovoltaic (PV) is substantially important for the smart grid. One of a major challenge for large scale integration of PV into the grid is intermittent and uncertain nature of solar PV ...
Ekanayake, Chandima   +5 more
core   +1 more source

Buck-boost single-inductor multiple-output (SIMO) high-frequency inverters for medium-power wireless power transfer [PDF]

open access: yes, 2018
In this paper, a non-isolated buck-boost single-inductor multiple-output (SIMO) DC-AC inverter for driving multiple independent high-frequency AC outputs of medium power, is proposed.
Tan, SC, Jin, W, Lee, ATL, Hui, R
core   +1 more source

Establishing an Apheresis Medicine Program in a Resource‐Constrained Setting: A 5‐Year Experience From Lagos, Nigeria

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Establishing a comprehensive apheresis medicine program in a resource‐constrained setting presents significant structural, financial, and logistical challenges. Despite the growing clinical importance of apheresis services globally, published experience from sub‐Saharan Africa remains sparse.
Folasade Adelekan‐Popoola   +4 more
wiley   +1 more source

High-Efficiency Asymmetric Forward-Flyback Converter for Wide Output Power Range

open access: yes, 2018
This paper proposes an asymmetric forward-flyback dc-dc converter that has high power-conversion efficiency e over a wide output power range. To solve the problem of ringing in the voltage of the rectifier diodes and the problem of duty loss in the ...
Choe, Hyung-Jin   +3 more
core   +1 more source

Design and testing of piezoelectric energy harvesting devices for generation of higher electric power for wireless sensor networks [PDF]

open access: yes, 2009
This paper reports our design and testing results on the electric output performance of a vibration-based piezoelectric energy harvesting device (PEHD). The PEHD is a cantilever with a sandwich structure and seismic mass attached to the tip.
Zhu, Meiling   +3 more
core   +1 more source

Effect of variation of specifications of quantum well and contact length on performance of InP-based Vertical Cavity Surface Emitting Laser (VCSEL) [PDF]

open access: yesJournal of Optoelectronical Nanostructures, 2020
: In this study, the effects of variation of thickness and the number of quantumwells as well as the contact length were investigated. In this paper, a vertical cavity surfaceemitting laser was simulated using of software based on finite element method ...
Abbas Ghadimi, Mohamad Ahmadzadeh
doaj  

An Array Magnetic Coupling Piezoelectric and Electromagnetic Energy Harvester for Rotary Excitation

open access: yesMicromachines, 2023
The energy of rotating machinery exists widely in the environment. It is of great significance to collect and utilize the energy of rotating machinery for sustainable development. In this paper, a novel piezoelectric and electromagnetic energy harvester,
Qiuxuan Chen, Chong Li, Mingming Lv
doaj   +1 more source

Comparative Evaluation of Hemodiafiltration, Hemoperfusion, and Standard Hemodialysis on Efficacy, Inflammatory Control, Dialysis Adequacy, and Safety in End‐Stage Renal Disease: A Prospective Observational Study

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Chronic micro‐inflammation in patients with end‐stage renal disease (ESRD) is a significant driver of cardiovascular complications and diminished quality of life. While standard hemodialysis (SHD) effectively manages small‐molecule clearance, its ability to remove medium‐to‐large uremic toxins—the primary catalysts of systemic ...
Hongwei Zuo   +5 more
wiley   +1 more source

Analyses of power output of piezoelectric energy-harvesting devices directly connected to a load resistor using a coupled piezoelectric-circuit finite element method [PDF]

open access: yes, 2009
A coupled piezoelectric-circuit finite element model (CPC-FEM) is proposed for the first time to study the power output of a vibration-based piezoelectric vibration-based piezoelectric energy harvesting devices (EHDs) that is directly connected to a ...
Zhu, Meiling   +2 more
core   +1 more source

Improving the Misalignment Tolerance of Wireless Power Transfer System for AUV with Solenoid-Dual Combined Planar Magnetic Coupler

open access: yesJournal of Marine Science and Engineering, 2023
In order to solve the problem of power transmission efficiency reduction resulting from misalignment in the Wireless Power Transfer (WPT) system for Autonomous Underwater Vehicle (AUVs), a novel coupling structure with strong tolerance to misalignment is
Haibing Wen   +7 more
doaj   +1 more source

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