Results 21 to 30 of about 39,365 (311)

Modeling of the Temperature Profiles and Thermoelectric Effects in Phase Change Memory Cells

open access: yesApplied Sciences, 2018
Phase change memory (PCM) is an important element in the development and realization of new forms of brain-like computing. In this article, a three-dimensional finite element method simulation is carried out to study the temperature profiles within PCM ...
Changcheng Ma   +4 more
doaj   +1 more source

Ensuring Soft Switching During Transient Operations of Wireless Power Transfer Systems with Frequency Control [PDF]

open access: yes, 2022
The high switching frequency of wireless power transfer systems makes soft switching important due to switching losses. In the current literature, numerous solutions have been proposed for maintaining soft switching within the entire operating range ...
Suul, Jon Are Wold   +5 more
core   +1 more source

Per-Phase Switching Frequency Control Method to Extend Lifespan of Three-Phase Voltage Source Inverters

open access: yesIEEE Access, 2022
This paper proposes a per-phase switching frequency control method to extend the lifespan of a three-phase voltage source inverter. The model predictive control that can intuitively deal with various control objectives is used in the proposed method. The
Jae-Chang Kim, Sangshin Kwak
doaj   +1 more source

Analysis of Switching Sequence Operation for Reduced Switch Multilevel Inverter With Various Pulse Width Modulation Methods

open access: yesFrontiers in Energy Research, 2020
Pulse width modulation (PWM) methods are used to control the switching sequence operations of conventional multilevel inverters (MLIs) and reduced switch multilevel inverters (RSMLIs).
Vinod Kumar Kanike, Saravanakumar Raju
doaj   +1 more source

Analogous computations in working memory input, output and motor gating: Electrophysiological and computational modeling evidence.

open access: yesPLoS Computational Biology, 2021
Adaptive cognitive-control involves a hierarchical cortico-striatal gating system that supports selective updating, maintenance, and retrieval of useful cognitive and motor information.
Rachel Rac-Lubashevsky, Michael J Frank
doaj   +1 more source

Computation of transient electromagnetic fields due to switching in high voltage substations

open access: yes, 2010
Switching operations of circuit breakers and disconnect switches radiate transient electromagnetic fields within high-voltage substations. The generated fields may interfere and disrupt normal operations of electronic equipment.
Siew, W.H., Musa, B.U., Judd, M.D.
core   +1 more source

An End-to-End Hierarchical Intelligent Inference Model for Collaborative Operation of Grid Switches

open access: yesEnergies
To address the issue of heavy reliance on manual intervention in substation maintenance tasks, this paper proposes an end-to-end hierarchical intelligent inference method for collaborative operation of grid switches.
Mingrui Zhao   +4 more
doaj   +1 more source

Modeling Channel Switching and Contention Control in Vehicular Networks

open access: yesIEEE Access, 2017
In vehicular networks, multi-channel operation standard IEEE 1609.4 is designed for vehicular communications across multiple channels. It has been revealed that such multi-channel operations may result in high contention in vehicular communications ...
Guilu Wu   +4 more
doaj   +1 more source

Passively Q-Switched and Mode-Locked Fiber Laser Based on a Zeolitic Imidazolate Framework-67 Saturable Absorber

open access: yesFrontiers in Physics, 2022
Exploring new saturable absorber (SA) materials with excellent performance to achieve Q-switching and mode-locking operations is a hot topic in ultrafast laser research.
Pengpeng Wang, Cunguang Zhu
doaj   +1 more source

Application of risk-based approach in switching operations preparation at Novovoronezh NPP

open access: yesГлобальная ядерная безопасность, 2023
The article discusses one of the problematic issues of operating nuclear power plants - revenue losses caused by staff mistakes. Existing methods and approaches to reducing the number of such incidents are analyzed.
A. A. Mozgovoj   +2 more
doaj   +1 more source

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