Results 11 to 20 of about 3,437 (181)

Armature Electromagnetic Force Extrapolation Prediction Method for Electromagnetic Railgun at High Speed

open access: yesApplied Sciences, 2023
The analysis and calculation of the armature electromagnetic force is the premise of studying the dynamic characteristics of the electromagnetic railgun. Aiming at the problem of the numerical solution “pseudo-oscillation” at high speed, an extrapolation
Liang Jin   +3 more
doaj   +1 more source

The influence of the damaged reinforcing bars on the stress-strain state of the rein-forced concrete beams

open access: yesProduction Engineering Archives, 2017
The article is devoted to the overall view of experimental research of reinforced concrete beams with the simultaneous influence of the corrosion environment and loading.
Blikharskyy Zenoviy   +2 more
doaj   +2 more sources

Design and Analysis of Surface-Mounted PM Vernier Machines Considering Harmonic Characteristics of Winding MMF

open access: yesEnergies, 2019
This paper proposes a design method for the flux modulation poles (FMPs) formed on the stator of surface-mounted permanent magnet vernier machines (SPMVM) considering the winding configurations.
Daekyu Jang, Junghwan Chang
doaj   +1 more source

A Double-Branch Surface Detection System for Armatures in Vibration Motors with Miniature Volume Based on ResNet-101 and FPN

open access: yesSensors, 2020
In this paper, a complete system based on computer vision and deep learning is proposed for surface inspection of the armatures in a vibration motor with miniature volume. A device for imaging and positioning was designed in order to obtain the images of
Tao Feng   +4 more
doaj   +1 more source

Improvement of Solenoid Valve Performance by Axial Slots Inserted in the Armature

open access: yesEngineering Transactions, 2017
The article presents numerical investigations of the influence axial slots inserted in the armature of a solenoid valve (SV) on the magnetic and frictional force acting on the armature during its movement.
Robert GORAJ
doaj   +1 more source

Armature Reaction Analysis and Performance Optimization of Hybrid Excitation Starter Generator for Electric Vehicle Range Extender

open access: yesWorld Electric Vehicle Journal, 2023
The armature reaction of the hybrid excitation starter generator (HESG) under load conditions will affect the distribution of the main magnetic field and the output performance.
Mingling Gao   +6 more
doaj   +1 more source

ON THE VALIDATION OF THE BELT SUPPORT BRACKET REINFORCEMENT CONTROL DEVICE FOR REAR SEAT RS 60% [PDF]

open access: yesFiabilitate şi Durabilitate, 2018
While welding the 60% RS rear seat armature of a car, nonconformities were identified, respectively complaints from the customer regarding the position of the belt support.
Monica BÂLDEA   +2 more
doaj  

Linear consequent pole Halbach array flux reversal machine

open access: yesThe Journal of Engineering, 2019
This paper presents a linear variable reluctance permanent magnet (LVRPM) machine where the armature winding and inset Halbach array permanent magnets (PMs) are mounted on E-core stators.
Mohammad Abdul Hakim Raihan   +3 more
doaj   +1 more source

Mechanical Power of DC Motors with Polygarmonic Power Supply [PDF]

open access: yesProblems of the Regional Energetics, 2022
The aim of the work is to develop a method for determining the mechanical power of DC mo-tors when they are powered by semiconductor converters, since the harmonic components of the armature current do not create a torque on the shaft. This means that at
Kovalov V, Kovalova Yu., Shcherbak I.
doaj   +1 more source

Study on the influence of armature on the efficiency of reluctance accelerator

open access: yesDefence Technology, 2022
The armature is an important part affecting the energy conversion efficiency of a reluctance accelerator. In this paper, six kinds of soft magnetic materials are chosen and four structures are designed for the armature. At first, the circuit and magnetic
Hui-min Deng, Yu Wang, Zhong-ming Yan
doaj   +1 more source

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