Results 71 to 80 of about 18,411 (257)

Class E Power Amplifier Design and Optimization for the Capacitive Coupled Wireless Power Transfer System in Biomedical Implants

Energies, 2017
The capacitive coupled wireless power transfer (CCWPT) operating at megahertz (MHz) frequency is broadly considered as the promising solution for low power biomedical implants.
Narayanamoorthi R., Vimala Juliet A., Bharatiraja Chokkalingam, Sanjeevikumar Padmanaban, Zbigniew M. Leonowicz   +4 more
doaj   +1 more source

Wireless Power Transfer Technologies Applied to Electric Vehicles: A Review

Energies, 2021
The expansion on the use of Electric Vehicles demands new mechanisms to ease the charging process, making it autonomous and with a reduced user intervention. This paper reviews the technologies applied to the wireless charge of Electric Vehicles.
Alicia Triviño, José M. González-González, José A. Aguado   +2 more
doaj   +1 more source

Design of a Feedback-Controlled Wireless Converter for Electric Vehicle Wireless Charging Applications [PDF]

, 2019
Electric vehicles (EVs) have played an important role in the modern transporta-tion system in recent years. However, current generations of EVs face unsolved drawbacks such as short driving range, long charging time, and high cost due to expensive ...
Badawy, Mohamed O.
core   +1 more source

Bioinspired Adaptive Sensors: A Review on Current Developments in Theory and Application

Advanced Materials, EarlyView.
This review comprehensively summarizes the recent progress in the design and fabrication of sensory‐adaptation‐inspired devices and highlights their valuable applications in electronic skin, wearable electronics, and machine vision. The existing challenges and future directions are addressed in aspects such as device performance optimization ...
Guodong Gong, You Zhou, Qingxiu Li, Wenyu Zhao, Sunyingyue Geng, Hangfei Li, Yan‐Bing Leng, Shirui Zhu, Guanglong Ding, Yongbiao Zhai, Ziyu Lv, Ye Zhou, Su‐Ting Han   +12 more
wiley   +1 more source

Augmenting forearm crutches with wireless sensors for lower limb rehabilitation [PDF]

, 2010
Forearm crutches are frequently used in the rehabilitation of an injury to the lower limb. The recovery rate is improved if the patient correctly applies a certain fraction of their body weight (specified by a clinician) through the axis of the crutch ...
, , Bergmann G, Christian Peters, Engel J, Geoff V Merrett, Georgina Hallett, Liggins A B Coiro D Lange G W Johnston T E Smith B T McCarthy J J, Merrett G V Peters C Hallett G White N M, Mohamed A Ettabib, Neil M White, Novel GmbH, Polak F, Polastre J Hill J Culler D, Santic A Bilas V Lackovic I, Tekscan, Texas Instruments, Texas Instruments, Tveit M, Walker J M, Wannstedt G, Wolf S L, Wu W Au L Jordan B Stathopoulos T Batalin M Kaiser W Vahdatpour A Sarrafzadeh M Fang M Chodosh J   +22 more
core   +1 more source

Electrically Readable Lateral Flow Assay Using Organic Transistors for Diagnostic Applications

Advanced Materials, EarlyView.
Electrolyte‐gated organic field‐effect transistors (EGOFETs) are integrated with lateral flow (LF) paper fluidics to create a reusable, portable, and low‐cost point‐of‐care (PoC) diagnostic test. The devices are validated for Human Immunoglobulin G detection, achieving high sensitivity (0.1 fm), selectivity, and reproducibility with rapid results in 20–
María Jesús Ortiz‐Aguayo, Carme Martínez‐Domingo, Diego Gutiérrez, Dean Kos, Marta Mas‐Torrent   +4 more
wiley   +1 more source

Preliminary study of 50 W Class-E GaN FET amplifier for 6.78 MHz capacitive wireless power transfer

Journal of Mechatronics, Electrical Power, and Vehicular Technology, 2020
A preliminary study of Class-E radio frequency power amplifier for wireless capacitive power transfer (CPT) system is presented in this paper. Due to a limitation in coupling capacitance value, a high frequency operation of switching power inverter is ...
Aam Muharam, Tarek Mahmoud Mostafa, Suziana Ahmad, Mitsuru Masuda, Daiki Obara, Reiji Hattori, Abdul Hapid   +6 more
doaj   +1 more source

Communication system for a tooth-mounted RF sensor used for continuous monitoring of nutrient intake [PDF]

, 2019
In this Thesis, the communication system of a wearable device that monitors the user’s diet is studied. Based in a novel RF metamaterial-based mouth sensor, different decisions have to be made concerning the system’s technologies, such as the power ...
Zufía Mier, Pablo
core   +1 more source

A fully bidirectional 2.4-GHz Wireless-Over-Fiber system using Photonic Active Integrated Antennas (PhAIAs) [PDF]

, 2007
This paper describes a low-cost scheme for implementing in-building distributed antenna systems using the photonic-active-integrated-antenna (PhAIA) concept, whereby photonic devices are integrated directly with planar antennas.
Cryan, MJ, Sittakul, V
core   +2 more sources

Large‐Area 2D Metasurface‐Based Triboelectric E‐Skin Arrays: Contact & Proximity Tactile Mapping with Broadband Acoustic Readouts

Advanced Materials, EarlyView.
Metasurface‐engineered NC‐TENG arrays integrate tactile pressure mapping, non‐contact gesture sensing, and acoustic signal readouts in one ultrathin module, and outperforms pristine PDMS in terms of electrical output and real‐time spatial mapping for next‐gen wearables.
Injamamul Arief, Swagato Sarkar, Anik Kumar Ghosh, Osvalds Verners, Kamal Kumar Meena, Su‐Hyeong Lee, Soosang Chae, Tobias A. F. König, Beate Krause, Andreas Fery, Mehmet Sait Özer, Anindya Nag, Amit Das   +12 more
wiley   +1 more source