Untethered selectively actuated microwave 4D printing through ferromagnetic PLA

TY Koh, A Sutradhar - Additive Manufacturing, 2022 - Elsevier
We present a novel four-dimensional (4D) printing technique that uses microwave radiation
to achieve non-contact actuation on thermal activated shape-shifting structures. By …

Modeling and minimization of the parasitic capacitances of single-layer toroidal inductors

F Salomez, A Videt, N Idir - IEEE Transactions on Power …, 2022 - ieeexplore.ieee.org
High-frequency power converters need electromagnetic interferences filters using common
and differential mode chokes with low parasitic capacitance to comply with the …

Continuous Beam Steering Realized by Tunable Ground in a Patch Antenna

Z Qu, Y Zhou, S Alkaraki, JR Kelly, Y Gao - IEEE Access, 2023 - ieeexplore.ieee.org
A continuously steerable patch antenna employing liquid metal is presented. The proposed
antenna employs a novel tunable ground plane together with parasitic steering to steer the …

Broadband inhomogeneous lens with conical radiation pattern

MM Taskhiri, S Fakhte - Scientific Reports, 2023 - nature.com
This manuscript presents a lens antenna with simultaneous broadside and conical beams.
The lens is designed for the Ku band using the ray inserting method. The proposed conical …

A wide-range transmission line-based linear displacement sensor

AA Mustapha, OS Hassan, TD Ataro… - IEEE Sensors …, 2023 - ieeexplore.ieee.org
Accurate displacement measurement is critical for many applications. Recently, a variety of
radio frequency-based linear displacement sensing techniques were introduced. However …

High-Frequency Electromagnetic Behavior, Impedance Modeling, and Enhancement of Low-Permeability Powder Cores

B Xie, Q Li, Y Zhang, C Yuan - IEEE Transactions on Power …, 2024 - ieeexplore.ieee.org
In the high-frequency (HF) and high-power domain, powder cores have garnered significant
attention due to their high saturation levels and low temperature sensitivity. Accurate …

A new microwave cavity resonator sensor for measuring coating thickness on carbon fibre composites

Z Li, Z Meng, C Wu, C Soutis, Z Chen, P Wang… - NDT & E …, 2022 - Elsevier
Carbon fibre-reinforced polymer composites are widely used in modern aircraft structures for
the high stiffness-to-weight ratio. An aircraft's exterior is commonly applied with coatings for …

Thickness-Independent Reference-Plane-Invariant Noniterative Permittivity Extraction of Low-Loss Solid Dielectric Samples by Combined Use of Frequency-and Time …

UC Hasar, H Ozturk - IEEE Transactions on Microwave Theory …, 2024 - ieeexplore.ieee.org
A novel noniterative microwave method is proposed for relative permittivity extraction of solid
samples using thickness-independent reference-plane-invariant (RPI) expressions. The …

Machine learning-enabled thickness estimation of thin coatings on carbon fibre composites using microwaves

Z Li, Z Meng, J Liu, C Soutis… - … Science and Technology, 2023 - iopscience.iop.org
Accurate thickness measurement of thin coatings (typically 50–500 μm) on carbon fibre-
reinforced polymer composites is a major challenge in the manufacturing and maintenance …

Microwave cavity resonator sensor with an octagonal cross section for thickness measurement of coatings on carbon fibre composites

Z Li, Z Meng, F Fei, Z Chen - NDT & E International, 2022 - Elsevier
Manual painting is commonly conducted on an aircraft's exterior, and the coating thickness
should be within the allowable range. For quality control, the thickness requires accurate …