Results 101 to 110 of about 102,347 (236)

The Question of Thermoelectric Devices Electrical Resistance—A Practical Investigation From a Peltier Effect (Thermoelectric Cooler/Thermoelectric Heater) Perspective

open access: yesHeat Transfer, EarlyView.
ABSTRACT Thermoelectric devices (TEDs) intrinsic electrical resistance is fundamental to its operation. This internal electrical resistance value negatively affects a TED's performance when it is operated as a thermoelectric cooler (TEC), and positively affects a TED when operated as a thermoelectric heater (TEH).
Nganyang Paul Bayendang   +2 more
wiley   +1 more source

Flyback mikroinverterio, sudaryto iš dviejų raktų, modelio Matlab Simulink aplinkoje sudarymas ir tyrimas / Development and research of two switch based Flyback microconverter’s Matlab Simulink model

open access: yesMokslas: Lietuvos Ateitis, 2018
Paper describes simulation results of proposed micro inverter model based on flyback converter with two transistor switches using Matlab Simulink. The aim of this research to investigate behavior of proposed model of the micro inverter based on flyback ...
Edvardas Bielskis   +3 more
doaj   +1 more source

Single Smooth Waveform Command‐Shaping Control of Overhead Crane Systems Utilizing Two‐Stage Acceleration–Deceleration Profile for Short‐Moving Point‐to‐Point Maneuver

open access: yesInternational Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT Modern industrial demand for efficient material handling in confined spaces has driven the need for overhead cranes capable of short‐distance point‐to‐point maneuvers without compromising payload stability. Conventional three‐stage shaper profiles, experiencing acceleration, cruising, and deceleration, become inefficient or infeasible for ...
Mohammed Alfares   +2 more
wiley   +1 more source

Integrated LEO Constellation and In‐Cabin Distribution System for Continuous Aircraft 5G Connectivity

open access: yesInternational Journal of Satellite Communications and Networking, EarlyView.
ABSTRACT The integration of low Earth orbit (LEO) satellite constellations with commercial aircraft communication systems presents critical challenges in maintaining continuous connectivity during dynamic flight conditions. Current geostationary satellite systems suffer from high round‐trip latency (>$$ > $$ 500 ms) and inadequate coverage at high ...
Raúl Parada   +4 more
wiley   +1 more source

DEVELOPMENT AND DESIGN OF A RETRACTABLE STABILIZATION SYSTEM FOR VIDEO CAMERAS ON AN AERIAL PLATFORM

open access: yesJournal of Industrial Design and Engineering Graphics, 2019
This article presents a simulation model in Matlab Simulink used to simulate the gimbal movement. The following section shows the gimbal design, implementation of the parameters and model in Matlab Simulink and comparative study between simulations ...
Alexandru PANĂ, Eng
doaj  

FMI Compliant Approach to Investigate the Impact of Communication to Islanded Microgrid Secondary Control

open access: yes, 2017
In multi-master islanded microgrids, the inverter controllers need to share the signals and to coordinate, in either centralized or distributed way, in order to operate properly and to assure a good functionality of the grid.
Besanger, Yvon   +5 more
core   +1 more source

A Bibliometric Review of the INCOSE's Model‐Based Systems Engineering Roadmap

open access: yesSystems Engineering, EarlyView.
ABSTRACT Over the past decade, model‐based systems engineering (MBSE) has gained attention as an approach for managing system complexity, offering a shift from a document‐based to a model‐based approach. The International Council on Systems Engineering (INCOSE) sparked increasing interest when it introduced MBSE and its roadmap as part of its systems ...
Marjolein Antoinette Jannyne Velthuizen   +2 more
wiley   +1 more source

Matlab Simulink of COST231-WI Model

open access: yesInternational Journal of Wireless and Microwave Technologies, 2012
Simu link is the integrated environment of system modelling and simu lation, which is being widespread used. This paper describes the MATLAB visual simu lation of the propagation path loss model for telecommunication systems. We simu lated the whole process of COST231-Walfisch-Ikegami model with high accuracy, built a visual simulation frame and the ...
Yihuai Yang   +3 more
openaire   +1 more source

Model‐Based Systems Engineering in Space Applications: A Comprehensive Literature Review

open access: yesSystems Engineering, EarlyView.
ABSTRACT The growing complexity of space engineering is driving the demand to embrace the adoption of Model‐Based Systems Engineering (MBSE). Although the MBSE is well‐practiced in the space industry, the level of effort and need required to obtain the benefits of MBSE vastly differ across enterprises; this disparity presents a significant challenge to
Rehobot Bekele Buruso   +4 more
wiley   +1 more source

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