Results 101 to 110 of about 7,098,076 (263)

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

, 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

On‐Skin Wireless Vibratory Interfaces by Stretchable Multilayer Circuits

Advanced Materials Interfaces, EarlyView.
A battery‐free, stretchable wireless vibratory interface is developed through printable liquid‐metal‐based multilayer circuits. The soft device integrates wireless power reception, signal modulation, and vibrotactile actuation within a compliant platform.
Jiawei Liu, Yanfeng Hou, Shengkang Fu, Maoxin Yang, Hongbiao Sun, Yi Huang, ZhiBo Wang, Xiqiang Luo, Chengliang Tao, Qing Tang, Jiangxin Wang   +10 more
wiley   +1 more source

Efficiency enhancement of multi-relay wireless power transfer system using switched compensation capacitors

Wireless Power Transfer
Multi-relay wireless power transfer (WPT) systems are increasingly used in power supply applications for high-voltage transmission line monitoring due to their extended transmission range.
Xinyu Hou, Meiqi Yang, Yong Shi, Zhongming Yu, Zixuan Zhao   +4 more
doaj   +1 more source

Hierarchical Multi‐Material Architectures With Gradient Design for Dynamic‐Range Flexible Tactile Sensing

Advanced Materials Technologies, EarlyView.
Hierarchical multi‐material TPMS lattices are engineered as flexible tactile sensors by combining soft and stiff elastomeric layers with a conformal conductive coating. The bilayer architecture delivers sensitivity at low pressures while maintaining a broad detectable range under large loads, enabling reliable pressure and vibration monitoring for ...
Reza Noroozi, Domenic Quiquero, Yan Yan Shery Huang, HaoTian Harvey Shi   +3 more
wiley   +1 more source

Optimal frequency estimation for wireless power transfer systems with an active rectifier

Wireless Power Transfer
Wireless power transfer (WPT) technology, renowned for its reliability and flexibility, is utilized in numerous fields. This article addresses the synchronization of the active rectifier in WPT systems.
Zhigang Zhang, Xiaodong Qing, Yanbao Liu, Tingfa Yang, Danli Chen, Fengwei Chen, Zhao Chen   +6 more
doaj   +1 more source

Advanced Manufacturing of Composite‐Based Systems for Energy Applications

Advanced Materials Technologies, EarlyView.
Advanced manufacturing enables the integration of polymers, ceramics, metal oxides, and composites into architected microstructures with tailored transport pathways. By coupling material selection, manufacturing strategy, and structural design, multifunctional energy systems can simultaneously improve electrochemical performance, thermal management ...
Sri Vaishnavi Thummalapalli, Dhanush Patil, Libin Yang, M. Taylor Sobczak, Anshul Kulkarni, Xiao Sun, Arunachalam Ramanathan, Tiantian Li, Ramaraja P. Ramasamy, Jason J. Locklin, Yanyu Chen, Xianqiao Wang, Arunachala Mada Kannan, Kenan Song   +13 more
wiley   +1 more source

A reconfigurable wireless charging optimization scheme for UAVs with horizontal misalignment tolerance

Wireless Power Transfer
Unmanned aerial vehicles (UAVs) are widely used by civilians, the military, and other fields. To ensure the autonomous working ability, high levels of charging convenience are required.
Wei Wang, Kairui Li, Mingrong Duan, Chenjin Xu, Siyuan Sheng, Zheng Lu   +5 more
doaj   +1 more source

Wood‐Derived Nanocellulose‐Biocarbon Fresnel‐Zone Plate Lenses for Sub‐THz Frequency Applications

Advanced Materials Technologies, EarlyView.
Wood‐derived nanocellulose and lignin‐based biocarbon were combined to fabricate fully bio‐based Fresnel zone plate (FZP) lenses for sub‐terahertz frequencies. These sustainable FZP lenses exhibit low dielectric loss and high directivity, achieving performance comparable to that of metallic references, and remain functional under environmental stress ...
Riikka Haataja, Mikko Kokkonen, Niina Halonen, Sami Myllymäki, Umair Rafique, Mandeep Singh, Ossi Laitinen, Heli Jantunen, Kristiina Oksman, Henrikki Liimatainen   +9 more
wiley   +1 more source

A synchronous rectification method with a high-speed comparator for a megahertz frequency BWPT system to enhance efficiency

Wireless Power Transfer
In bidirectional wireless power transfer (BWPT) systems, the phase synchronization accuracy of the secondary synchronous rectification (SR), or active rectification signal directly determines energy transfer efficiency and overall system stability.
Siqi Li, Yang Yang, Enguo Rong, Tong Li, Zhuang Sun, Xingyu Zou, Sizhao Lu, Zeeshan Shafiq, Zhe Liu   +8 more
doaj   +1 more source

Microfabrication of Soft Millirobots Propelled by Low Voltage Electrohydraulic Actuators

Advanced Materials Technologies, EarlyView.
Manual layer‐by‐layer assembly is replaced by wafer‐level MEMS batch fabrication for compliant polymer‐based electrohydraulic actuators. The microfabricated devices integrate sacrificially defined microcavities, Parylene‐C‐sealed inlets, and multilayer polymer–metal films.
Shai Shmulevich, Florian Hartmann, Herbert Shea   +2 more
wiley   +1 more source