Results 111 to 120 of about 10,893 (284)

Solving 2D-wave problems by the iterative differential quadrature method

open access: yes, 2011
International audienceIn this paper, the numerical stability of an iterative method based on differential quadrature (DQ) rules when applied to solve a two--dimensional (2D) wave problem is discussed.
S. Tomasiello   +2 more
core   +1 more source

Enhancing Reference Tracking in Induction Motor Drives: A Hybrid Model Predictive Control and Artificial Neural Network Approach

open access: yesInternational Journal of Robust and Nonlinear Control, EarlyView.
ABSTRACT Induction motors (IMs) are widely used in industry for their robustness and cost‐effectiveness, yet their nonlinear and multivariable dynamics pose significant challenges for high‐performance speed control. Model Predictive Control (MPC) is a well‐established solution but suffers from limitations related to model accuracy and parameter ...
Asier del Rio   +4 more
wiley   +1 more source

Solution of helmholtz-type equations by differential quadrature method

open access: yes, 2004
This thesis presents the Differential Quadrature Method (DQM) for solving Helmholtz, modified Helmholtz and Helmholtz eigenvalue-eigenvector equations.
GÜLAY KURUŞ
core  

Digital Twin‐Based Optimization of Service Availability in LEO Mega Constellations Considering Handover Delays in Open RAN

open access: yesInternational Journal of Satellite Communications and Networking, EarlyView.
ABSTRACT As non‐terrestrial networks (NTNs) become integral to future 6G systems, ensuring seamless connectivity and service continuity over low Earth orbit (LEO) satellite constellations is essential. This work investigates the impact of open radio access network (RAN) functional splits on handover performance in NTNs, focusing on minimizing service ...
Siva Satya Sri Ganesh Seeram   +3 more
wiley   +1 more source

Approximation of differential eigenvalue problems

open access: yes, 2020
To solve a one-dimensional second-order differential eigenvalue problem, we use the finite-element method with numerical integration. We analyze the influence of the quadrature formulas used on the error in the approximate eigenvalues and eigenelements ...
Solov'ev S.
core  

CLEAR Interference Cancellation in a Wideband Dual‐Channel Receiver for Independent Satellite Multi‐Connectivity Links

open access: yesInternational Journal of Satellite Communications and Networking, EarlyView.
ABSTRACT In this paper, the correlation learning estimation and adaptive reduction (CLEAR) of interference, an adaptive, blind and transparent interference compensation method applied in a wideband dual‐channel receiver, is studied for a pair of independent satellite multi‐connectivity links, using the same carrier frequency and signal bandwidth in use
Svilen Dimitrov
wiley   +1 more source

Scalable Manufacturing of Amino Acid‐Based Piezoelectric Biocrystal Films

open access: yesSmall, EarlyView.
This work presents a continuous manufacturing strategy for glycine‐PVA piezoelectric films through dynamically controlled crystallization. This stable and industrially viable strategy offers significant potential for mass production of piezoelectric biocrystal films and biocompatible devices.
Shuting Wang   +16 more
wiley   +1 more source

Transforming Paper into Plasmonic Sensors: One‐Step Fabrication of High‐Enhancement SERS Nanosubstrates via Surface Energy Control

open access: yesSmall Methods, EarlyView.
Cellulose paper is transformed into a high‐performance plasmonic sensor through a process called SILVERED, which involves single‐step vapor deposition onto fluorosilanized fibers. Surface‐energy contrast drives uniform silver nanoparticle growth with sub‐10 nm hot‐spot gaps, achieving 2 pM detection of rhodamine B.
Farbod Ebrahimi   +4 more
wiley   +1 more source

On the derivation of the formula for the general solution of an ordinary linear differential equation with constant coefficients

open access: yesИзвестия высших учебных заведений. Поволжский регион: Физико-математические науки
Background. Linear differential equations with constant coefficients are often used to solve a number of physical, engineering, chemical and biological problems.
Dostonjon N. Barotov, Ruziboy N. Barotov
doaj   +1 more source

AI‐enabled bumpless transfer control strategy for legged robot with hybrid energy storage system

open access: yesCAAI Transactions on Intelligence Technology, EarlyView.
Abstract Designing Hybrid energy storage system (HESS) for a legged robot is significant to improve the motion performance and energy efficiency of the robot. However, switching between the driving mode and regenerative braking mode in the HESS may generate a torque bump, which has brought significant challenges to the stability of the robot locomotion.
Zhiwu Huang   +6 more
wiley   +1 more source

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