Results 51 to 60 of about 16,811 (216)

ResearchonOperatingMechanismPerformanceofHighVoltageCircuitBreaker BasedontheCoilCurrent

open access: yes工程科学与技术, 2015
:In order to study the relationship between coil current and electromagnetic system performance,an electromagnetic system mathematical model of hydraulic and spring high-voltage circuit breaker operating mechanism was established by magnetic circuit.The ...
赵莉华   +6 more
doaj  

Self-decoupled radiofrequency coils for magnetic resonance imaging

open access: yesNature Communications, 2018
Conventional coil arrays require complex decoupling technologies to reduce electromagnetic coupling between coil elements. Here, the authors report a self-decoupled RF coil design that achieves high inter-coil isolation between adjacent and non-adjacent ...
Xinqiang Yan   +2 more
doaj   +1 more source

Unlocking Terahertz Steganography: Authentication of Hidden Images in Flexible Media

open access: yesAdvanced Materials Technologies, EarlyView.
Hidden information in multilayered devices, such as steganographic portraits, is detected and authenticated using reflection‐mode terahertz time‐domain imaging. Image reconstruction relies on a dedicated figure‐of‐merit obtained by integrating the signal intensity over the time‐window associated with the reflection from the metallic mirror backing the ...
Tiziana Ritacco   +4 more
wiley   +1 more source

Tube Electromagnetic Free Bulging Based on Internal Negative-External Positive Three-Coil System

open access: yesIEEE Access, 2020
Controlling the direction and profile of the electromagnetic force (EMF) is a key of improving the tube axial-uniformity and wall thickness during the electromagnetic forming process.
Li Qiu   +6 more
doaj   +1 more source

Chalcogen Alloy‐Engineered Te2Se/Si Heterojunctions for Low‐Noise Complementary Metal‐Oxide Semiconductor‐Compatible Short‐Wave Infrared Imaging

open access: yesAdvanced Optical Materials, EarlyView.
A Te2Se/Si heterojunction designed through atomistic simulations reduces oxide‐related traps, dark current, and noise compared with pure tellurium devices. This CMOS‐compatible platform enables short‐wave infrared detection and high‐contrast imaging in a 14 × 14 array, highlighting a scalable strategy for robust, low‐noise SWIR photodetectors and image
Byeongjin Park   +13 more
wiley   +1 more source

An accurate real-time model of maglev planar motor based on compound Simpson numerical integration

open access: yesAIP Advances, 2017
To realize the high-speed and precise control of the maglev planar motor, a more accurate real-time electromagnetic model, which considers the influence of the coil corners, is proposed in this paper.
Baoquan Kou   +4 more
doaj   +1 more source

Inverse‐Designed Superchiral Hot Spot in Dielectric Meta‐Cavity Toward Ultra‐Compact Enantioselective Detection

open access: yesAdvanced Optical Materials, EarlyView.
Linearly polarized incident light with normal incidence creates enhanced optical chirality hotspots on the metasurface. Several orders of magnitude optical chirality enhancement offers a promising route toward highly sensitive, compact chiral spectroscopy.
Anastasia Romashkina   +10 more
wiley   +1 more source

Optimization of electromagnetic forming process parameters for curved specimens based on CCD-RSM

open access: yesScientific Reports
Electromagnetic forming is an efficient, non-contact high-speed forming technology widely used in aerospace, automotive manufacturing, and other industries.
Jie Tang, Mingcai Li, Tao Wang
doaj   +1 more source

Soft Actuators Integrated with Control and Power Units: Approaching Wireless Autonomous Soft Robots

open access: yesAdvanced Robotics Research, EarlyView.
Soft robots exhibit significant development potential in various applications. However, there are still key technical challenges regarding material improvement, structure design and components integration. This review focuses on the development and challenge of soft actuators, power components, and control components in untethered intelligent soft ...
Renwu Shi, Feifei Pan, Xiaobin Ji
wiley   +1 more source

Electromagnetic induction with time-varying magductance under constant magnetic field

open access: yesAIP Advances
Electrical energy is becoming more popular due to the fact that it is economic, practical, clean, and easy to control and convert energy compared to other forms of energy.
Wei Qin   +4 more
doaj   +1 more source

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