Results 61 to 70 of about 7,076,846 (209)

Wireless Power Transfer Based Implantable Neurostimulator

, 2020
In this paper, we developed a miniaturized Wireless Power Transfer (WPT) based implantable stimulator that can deliver electrical energy directly to peripheral nerves using electromagnetic induction between internal and external coils. The WPT system was
Do Hwan Kim, Kim, Do Hwan, Joo Sung Kim, Park, Sung Min, Kim, Joo Sung, Junho Kim, Jiho Lee, Jang, Seok Geun, Kim, Junho, Seok Geun Jang, Sung Min Park, Lee, Jiho   +11 more
core   +1 more source

Wireless Power Transfer

, 2023
Wireless power transfer (WPT) is the process of transferring electrical energy from a power source to a load without an electrical connection. The reason why WPT has become popular today can be listed as the effects that make human life easier, the ...
Ünal, K., Öncü, S., Bal, G.
core   +1 more source

Adaptive Conductive Systems: Enabling Deformable Electronics Through Engineered Materials, Circuits, and Intelligent Systems

Advanced Science, EarlyView.
This review presents the research advances of adaptive conductive systems from the perspective of materials, circuits, systems, and applications. Deformable conductors consist of substrates/matrices and conductive materials, structural design of circuit interconnections, fabrication of circuit interconnections, as well as intelligent systems ...
Yufei Lu, Siyu Liang, Jingyi Niu, Jie Chen, Shuo Zhang, Hongjian Zhang, Dongsheng Jia, Wei Huang   +7 more
wiley   +1 more source

A 40.68‐MHz Active Rectifier Using PLL and PWM Control of DC‐DC Converter for ON/OFF Delay Compensation

International Journal of Circuit Theory and Applications, Volume 54, Issue 9, Page 4469-4481, September 2026.
A ramp‐based phase‐locked loop (RPLL) active rectifier operating at 40.68 MHz compensates switching delay variations to improve phase alignment. The proposed architecture achieves 90.3% peak power conversion efficiency and 98.0% voltage conversion ratio for high‐frequency wireless power transfer in implantable medical devices.
Woorim Lee, Sungmin Shin, Seongbin Kwon, Geonwoo Baek, Jongyeop Kim, Franklin Bien   +5 more
wiley   +1 more source

An Effective Experimental Optimization Method for Wireless Power Transfer System Design Using Frequency Domain Measurement [PDF]

Journal of the Korean Institute of Electromagnetic Engineering and Science, 2017
This paper proposes an experimental optimization method for a wireless power transfer (WPT) system. The power transfer characteristics of a WPT system with arbitrary loads and various types of coupling and compensation networks can be extracted by ...
Sangyeong Jeong, Mina Kim, Jee-Hoon Jung, Jingook Kim   +3 more
doaj   +1 more source

Bidirectional Wireless Power Transfer for Electric Vehicle Energy Systems Integrating Modelling, Intelligent Control, Communication and Cybersecurity: A Review

Energy Science &Engineering, Volume 14, Issue 9, Page 4026-4057, September 2026.
This graphical abstract illustrates the evolution of wireless electric vehicle charging from unidirectional wireless power transfer to bidirectional wireless power transfer (BWPT) and toward future intelligent, autonomous wireless energy systems.
P. V. Elumalai, Yuvaraja Shanmugam, A. Vivek Anand, Mesith Chaimanee, Choon Kit Chan, S. Prabhakar, R. Narayanamoorthi   +6 more
wiley   +1 more source

Biocompatibility Assessment of Lithium‐Ion Battery Materials in Medical Devices

Small Structures, Volume 7, Issue 9, September 2026.
How safe are lithium‐ion battery materials for medical devices? Antimicrobial performance, cytotoxicity, and biotoxicity are systematically evaluated, and a multidimensional risk‐assessment framework is developed to classify materials from negligible to high risk.
Tingyu Hua, Ming Xu, Zhuofei Jia, Zhiwei Tao, He Yin, Jinzhi Lv, Shanshan Li, Jianan Wang, Wei Yan, Jinhai Wang, Yunlong Zhao   +10 more
wiley   +1 more source

Metal Surface Guided-Wireless Power Transfer System for Portable Applications With Multiple Receivers

IEEE Access, 2021
Recently, research has been actively conducted to overcome various challenges observed in wireless power transfer (WPT) technology. However, as additional techniques are implemented, the complexity and cost of WPT systems increased. Therefore, there is a
Franklin Bien, Woojin Park, Bonyoung Lee, Gangil Byun   +3 more
doaj   +1 more source

Wavelet‐Based Hurst Exponent Estimation

WIREs Computational Statistics, Volume 18, Issue 3, September 2026.
The review explores how wavelet‐based methods for estimating the Hurst parameters have developed from their theoretical roots to real‐world applications in fields like biology, engineering, and telecommunications. The review aims to highlight key techniques, compare their strengths and limitations, and point out challenges that still need to be ...
Dixon Vimalajeewa, Fabrizio Ruggeri, Brani Vidakovic   +2 more
wiley   +1 more source

Wireless power supply system for left ventricular assist device and implanted cardiac defibrillator

, 2021
This study focuses on the development of a new power supply architecture for an implanted cardiac defibrillator (ICD) and a left ventricular assist device (LVAD). In the proposed solution a transcutaneous wireless power transfer technology (WPT) based on
Campi T., Cruciani S., Maradei F., Feliziani M.   +3 more
core   +1 more source