Results 111 to 120 of about 645,990 (304)

Speed Control Series Dc Motor Using Ant Colony Optimization

open access: yesTechno, 2019
Motor DC yang terhubung dengan seri atau shunt banyak digunakan dalam berbagai aplikasi. Karena memiliki torsi yang relatif tinggi untuk memikul beban dibandingkan dengan motor permanen magnet dengan ukuran yang sama.
Muhammad Ruswandi Djalal, Herman HR
doaj  

A Multi-Functional Integrated Onboard Charger for Dual-Motor Driving EVs

open access: yesEnergies
In this paper, to achieve versatile, cost-effective charging for dual-motor EVs, a multi-functional integrated onboard charger is constructed using a dual-motor driving system.
Minghao Tong   +4 more
doaj   +1 more source

Two-stage coaxial gas compressor [PDF]

open access: yes, 1972
Compressor raises pressure of gases from low ambient supply during space experiments by a system of low weight, size, and power input. Dc rotary-torque motor and ball-screw drive shaft activate first and second stage of compressor, utilizing inertia ...
Huniu, S.   +2 more
core   +1 more source

NFDI MatWerk Ontology (MWO): A BFO‐Compliant Ontology for Research Data Management in Materials Science and Engineering

open access: yesAdvanced Engineering Materials, EarlyView.
This article presents the NFDI‐MatWerk Ontology (MWO), a Basic Formal Ontology‐based framework for interoperable research data management in materials science and engineering (MSE). Covering consortium structures, research data management resources, services, and instruments, MWO enables semantic integration, Findable, Accessible, Interoperable, and ...
Hossein Beygi Nasrabadi   +4 more
wiley   +1 more source

PERENCANAAN DAN PEMBUATAN MODUL PRAKTIKUM SISTEM PENGATURAN DIGITAL MENGGUNAKAN PC (PERSONAL COMPUTER) [PDF]

open access: yes, 2006
Peralatan elektronika telah banyak membantu dan mempermudah pekerjaan manusia. Terlebih dengan adanya komputer, yang mana suatu pekerjaan terasa mudah dan cepat terselesaikan.
WAHYUDIE, DEDY
core  

A Thermodynamic 3D Model for the Simulation of Diffusion‐Controlled Alloying Processes in Heterogeneous Material Structures

open access: yesAdvanced Engineering Materials, EarlyView.
A numerical model resulting from irreversible thermodynamics for describing transport processes is introduced, focusing on thermodynamic activity gradients as the actual driving force for diffusion. Implemented in CUDA C++ and using CalPhaD methods for determining the necessary activity data, the model accurately simulates interdiffusion in aluminum ...
Ulrich Holländer   +3 more
wiley   +1 more source

Development of DC Motor Speed Control Using PID Based on Arduino and Matlab For Laboratory Trainer

open access: yesJurnal Nasional Teknik Elektro
DC motors are widely used as propulsions, including in electric bicycles. The problem faced by students in the DC motor control laboratory working using software simulation is that they do not have practical learning experience using digital instruments.
Heru Supriyono   +2 more
doaj   +1 more source

Piezoresistive Monitoring of Carbon Nanomaterial‐Reinforced Epoxy Composites Under Cyclic and Fatigue Loading: A Review

open access: yesAdvanced Engineering Materials, EarlyView.
Carbon nanomaterial‐reinforced epoxy composites exhibit pronounced piezoresistive behavior, enabling intrinsic damage sensing under cyclic and fatigue loading. This review critically compares carbon nanotube and graphene systems, correlating filler content, percolation threshold, and gauge factor with sensing stability and damage evolution.
J. M. Parente   +3 more
wiley   +1 more source

Electrical Conductivities of Conductors, Semiconductors, and Their Mixtures at Elevated Temperatures

open access: yesAdvanced Engineering Materials, EarlyView.
This article presents a comprehensive review of temperature‐dependent electrical conductivity data for multiple material classes at elevated temperatures, highlighting a persistent conductivity gap between metals and semiconductors in the range of 102$\left(10\right)^{2}$– 107$\left(10\right)^{7}$ S/m. Metal–ceramic irregular metamaterials are proposed
Valentina Torres Nieto, Marcia A. Cooper
wiley   +1 more source

Overvoltage Avoidance Control Strategy for Braking Process of Brushless DC Motor Drives with Small DC-Link Capacitance

open access: yesActuators
Single-phase input rectifier brushless DC motor drives with a small film capacitor have many advantages, such as high power density and high reliability.
Wei Chen, Jialong Wu, Xinmin Li, Chen Li
doaj   +1 more source

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