Results 111 to 120 of about 39,512 (304)

Design of excitation current estimation algorithm for wireless excitation system of electrically excited motors based on S-N resonant topology

open access: yesWireless Power Transfer
Although wireless excitation improves the reliability of electrically excited synchronous motors (EESMs), the rotor field current cannot be directly measured due to the rotation of the rotor.
Beibei Song   +5 more
doaj   +1 more source

Shadow‐Free Back‐Contact Perovskite Thin‐Film Detectors for Direct Extreme‐Ultraviolet and Soft X‐Ray Sensing

open access: yesAdvanced Materials Interfaces, EarlyView.
A triple‐cation perovskite detector with a quasi‐interdigitated back‐contact architecture enables highly sensitive and linear EUV/soft x‐ray detection by minimizing electrode shadowing and enhancing charge extraction. Efficient interfacial carrier collection and rapid temporal response highlight the potential of back‐contact‐engineered perovskites for ...
Jingying Liu   +5 more
wiley   +1 more source

Fast Hardware Approach to Determining Mutual Coupling of Series-Series-Compensated Wireless Power Transfer Systems with Active Rectifiers

open access: yes, 2020
Maximum energy efficiency tracking of series–series-compensated wireless power transfer systems with active rectifiers require the information of mutual coupling coefficient or correlated variables, which are conventionally monitored based on the ...
Tan, SC, Yang, Y, Hui, SYR
core   +1 more source

High power density integrated wireless power transfer method for underwater intelligent sensors

open access: yesWireless Power Transfer
This paper proposes a high-power-density integrated undersea wireless power transfer (UWPT) system for underwater intelligent sensors, which features anti-offset capability and electromagnetic shielding compatibility. Firstly, the high-frequency inverter
Lei Yang   +7 more
doaj   +1 more source

EXPLORING RECENT TRENDS AND CHALLENGES IN WIRELESS POWER TECHNOLOGY [PDF]

open access: yesProceedings on Engineering Sciences
Wireless power technology has long been a subject of significant discussion due to its potential to transform energy transfer methods in various applications, ranging from consumer electronics to medical devices.
Lakshay Arora   +3 more
doaj   +1 more source

End‐to‐End Sensing Systems for Breast Cancer: From Wearables for Early Detection to Lab‐Based Diagnosis Chips

open access: yesAdvanced Materials Technologies, EarlyView.
This review explores advances in wearable and lab‐on‐chip technologies for breast cancer detection. Covering tactile, thermal, ultrasound, microwave, electrical impedance tomography, electrochemical, microelectromechanical, and optical systems, it highlights innovations in flexible electronics, nanomaterials, and machine learning.
Neshika Wijewardhane   +4 more
wiley   +1 more source

Energy efficiency resource allocation for amplify and forward relaying system with energy harvesting

open access: yesWireless Power Transfer
With the vigorous advocacy of green communication, research on energy harvesting technology in mobile communication resource allocation has become increasingly urgent.
Jianfang Xin   +5 more
doaj   +1 more source

Transducers Across Scales and Frequencies: A System‐Level Framework for Multiphysics Integration and Co‐Design

open access: yesAdvanced Materials Technologies, EarlyView.
Transducers convert physical signals into electrical and optical representations, yet each mechanism is bounded by intrinsic trade‐offs across bandwidth, sensitivity, speed, and energy. This review maps transduction mechanisms across physical scale and frequency, showing how heterogeneous integration and multiphysics co‐design transform isolated ...
Aolei Xu   +8 more
wiley   +1 more source

Hybrid wireless power transfer: a review

open access: yesWireless Power Transfer
Inductive power transfer (IPT) and capacitive power transfer (CPT) have been extensively studied and applied in wireless power transfer (WPT). In the process of system design and analysis, only the characteristics of magnetic or electric fields are ...
Zhongyu Dai   +9 more
doaj   +1 more source

Liquid Metal‐Based Stretchable Strain Sensor for Fruit Growth Monitoring

open access: yesAdvanced Materials Technologies, EarlyView.
Schematic overview of the fruit growth sensor development workflow, including sensor fabrication by injection molding, electromechanical and environmental characterization, mechanical stability testing, electronic readout integration, and outdoor field validation for monitoring of fruit growth under practical orchard conditions.
Asad Ullah   +7 more
wiley   +1 more source

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