Results 81 to 90 of about 15,586 (304)

Thermal Analysis and Rigid-Flexible Coupling Dynamics of a Satellite with Membrane Antenna

International Journal of Aerospace Engineering, 2022
In this paper, the thermal analysis of a membrane antenna structure is performed, and then, the rigid-flexible coupling dynamic modeling and control of the membrane-antenna-satellite system are studied with the thermal stress considered.
Xiang Liu, Guoping Cai
doaj   +1 more source

Variable Stiffness Flexure Structures Enabled by Phase‐Change Gallium and Adhesive Interfacial Locking for Soft Robotic Applications

Advanced Engineering Materials, EarlyView.
A flexure‐based variable stiffness structure is developed by integrating phase‐change modulation and adhesive interfacial locking of gallium. The design enables a wide stiffness variability, transitioning from soft, flexible behavior to rigid, load‐supporting performance.
Sungjin Kim, Sohee John Yoon, Yong‐Lae Park   +2 more
wiley   +1 more source

Additive Gaussian Process Regression for Predictive Design of High‐Performance, Printable Silicones

Advanced Engineering Materials, EarlyView.
A chemistry‐aware design framework for tuning printable polydimethylsiloxane (PDMS) for vat photopolymerization (VPP) is developed using additive Gaussian process (GP) modeling. Polymer network mechanics informs variable groupings, feasible formulation constraints, and interaction variables.
Roxana Carbonell, Martha Leach, Hongtao Song, Carolyn Seepersad   +3 more
wiley   +1 more source

Impulse Response with Correlation Study of a Broadband Bended Wearable Monopole Antenna [PDF]

, 2018
In this paper, the impulse response of a wide band flexible circular monopole antenna is presented. The antenna is fabricated on liquid crystalline polymer flexible substrate with a compact geometry that makes it suitable for wearable applications under ...
Budimir, D., D. Budimir, Abdalla, M. A., S.R. Zahran, M.A. Abdalla, Zahran, S. R.   +5 more
core   +1 more source

Near‐Field Electrospinning Micro‐Printhead Achieves Precise Control of Nanofiber Deposition

Advanced Engineering Materials, EarlyView.
A micro‐printhead for near‐field electrospinning enables reproducible deposition of polymer nanofibers with diameters below 50 nm. Systematic parameter studies uncover the mechanisms linking operating conditions to fiber morphology, paving the way for precise and low‐cost nanoscale 3D manufacturing.As a high‐resolution, cost‐effective, and rapid ...
Han Xu, Dario Mager, Jan G. Korvink
wiley   +1 more source

Flexible circuits and materials for large-area UHF RFID reader antenna systems

, 2018
RF electronics commonly incorporate PCB-materials with low loss tangents, which limits its use for large-area applications due to its high cost. This work verifies one alternative solution how non-conventional flexible circuit materials can be used to ...
Li, Xiaotian,, Henrik Andersson, Xiaotian Li, Andersson, Henrik,, Johan Sidén, Sidén, Johan,   +5 more
core   +1 more source

INTELLIGENT MATCHING TECHNIQUE FOR FLEXIBLE ANTENNAS

Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska
Flexible antennas have revolutionized the wireless communication as integral components of modern smart devices. Their unique properties are design flexibility, enhanced performance, and seamless implementation in smart devices.
Olena Semenova, Andriy Semenov, Stefan Meulesteen, Natalia Kryvinska, Hanna Pastushenko   +4 more
doaj   +1 more source

Air‐Pressure–Actuated Vibroacoustic Metamaterial With Tunable Bandgap: Design, Modeling, and Characterization

Advanced Engineering Materials, EarlyView.
This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal, Michael M. Becker, Sarah C. L. Fischer   +2 more
wiley   +1 more source

Inkjet printed WLAN antenna for an application in smartphones

, 2022
Art. 05HB06, 5 S.The research is focused on the development of a customized inkjet printed WLAN antenna for the application, e.g., in smartphones. Therefore a new three dimensional antenna for communication devices was designed.
Zichner, Ralf, Sowade, E., Baumann, R.R.
core   +1 more source

A compact tri-notched flexible UWB antenna based on an inkjet-printable and plasma-activated silver nano ink

Scientific Reports
The rapid development of ultrawideband (UWB) communication systems has resulted in increasing performance requirements for the antenna system. In addition to a wide bandwidth, fast propagation rates and compact dimensions, flexibility, wearability or ...
Wendong Yang, Xun Zhao, Zihao Guo, Haoqiang Sun, Emil J. W. List-Kratochvil   +4 more
doaj   +1 more source