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Experimented design of non-contact current measurement system based on using Hall sensor
Tạp chí khoa học và công nghệ - Tập 10 - Trang 50-54 - 2016
This paper represents the designing a circuit to measure the alternative current
and direct current. The system contains the amplifier modulus, microcontroller
and display. The circuit uses a magnetic core that has a slot 2mm use to mount
Hall sensor. In the research, the device had made and the result showed the
relation between current 0-5A AC and 0-15A DC and Hall sensor’s output voltage
is lin...
#Hall sensor #magnetic core
STUDY AND SIMULINK OF CONTROL WIND ENERGY SYSTEM USING SRG GENERATOR
Tạp chí khoa học và công nghệ - Tập 32 - Trang 64-69 - 2021
The paper simulinks wind system uses the Matlab/Simulink commutated generator.
Evaluation of the output voltage quality stability of the control system of the
wind power generation system using the SRG generator in the condition of wind
speed change at no-load and load change when the wind speed remains the same.
The results of simulation show that the stable output voltage value of has been
ensur...
#Win system #Switched Reluctance Generator (SRG) #DC-DC converter #DC- AC converter
DEVELOPMENT OF THE CONTROL SYSTEM FOR AN PERSONAL ELECTRIC VEHICLE
Tạp chí khoa học và công nghệ - Tập 18 - Trang 15-19 - 2018
This study describes the design and implementation of a personal electric
vehicle that is environmentally-friendly, compact, and convenient to use in
pedestrian areas such as sidewalks, campusand airport areas. Furthermore, an
assistance system for the vehicle that supports the driver in recognizingthe
psychological strain of surrounding pedestrians and informing the driver about
the invasion of t...
#Personal electric vehicle #personal space #pedestrian #transportation system
INTEGRATION PROCESS OF VIETNAM THROUGH PERIODS AND EMERGING ISSUES
Tạp chí khoa học và công nghệ - Tập 17 - Trang 100-106 - 2018
Nowaday, open and integration is necessary demand of nations to exist and
develop, depending on the different society - economy conditions, it has a
different application. In Vietnam need integration has very early, but this term
only was used in the documents of the eighth national party (1996), since the
integration process of our country increasingly deepened and has achieved much
success, but ...
#intergration #international integration #international economic integration
HERMITE INTERPOLATION POLYNOMIALS IN COMPLEX DOMAIN
Tạp chí khoa học và công nghệ - Tập 24 - Trang 19-23 - 2020
This paper establishes general Hermite interpolation polynomial in complex
domain. At the same time, we evaluate the error of this interpolation polynomial
based on complex integrals. Especialylly, when the multiple of the interpolation
points is equal, we give Jacobi interpolation polynomial.
#Complex interpolation #Hermite in complex domain #Jacobi interpolation
BUTT-JOINT BETWEEN SUS-304 STAINLESS STEEL AND SS400 STEEL BY GTAW PROCESS
Tạp chí khoa học và công nghệ - Tập 37 - Trang 31-37 - 2023
In this research, the changes in the microstructures and mechanical properties
in the welding zone and heat-affected zone (HAZ) of the welds between 304
stainless steel and SS400 carbon steel by Tungsten Inert Gas (TIG) with ER-309L
welding rod were investigated. The formation of the micro-structure in areas,
including the columnar-dendritic, was investigated by micro-cope equipment. The
tensile s...
#GTAW process #SUS-304 stainless steel #SS400 steel #ER-309L weld-rod #Tensile strength #Micro-hardness
THE NEEDS FOR STARUP OF STUDENTS OF HUNGYEN UNIVERSITY OF TECHNOLOGY AND EDUCATION
Tạp chí khoa học và công nghệ - Tập 20 - Trang 112-116 - 2019
Baseline survey of 126 samples and data analysis, using the Model Factor
Analysis (EFA), Assertive Factor Analysis (CFA) and Linear Structural Modeling
(SEM., The authors have assumed that the intention to start a student's career
is influenced by seven factors that affect the student's intention to start a
business to quantify the influence of the factors that influence students'
start-up intenti...
#Startup #need #linear structure model
LEARNING MOTIVATORS OF STUDENTS HUNG YEN UNIVERSITY OF TECHNOLOGY AND EDUCATION
Tạp chí khoa học và công nghệ - Tập 15 - Trang 126-131 - 2017
This paper presents the research content; research methods and some of the
results of research: Student perceptions of the necessity of the learning
process; Emotional - emotional feelings of students in learning; Expressing
motivation to learn through action; Motivation to enter the Hung Yen university
of technology and education; Factors influencing learning motivation of students
Hung Yen unive...
#Motivation #Learning motivators
AGENT APPLICATION IN VANET NETWORK CLUSTERING
Tạp chí khoa học và công nghệ - Tập 36 - Trang 66-71 - 2022
The Vehicle Ad-hoc Network (VANET) is part of the Mobile Ad-hoc Network (MANET)
that facilitates communication between vehicles to provide driver safety
information, traffic status updates, data sharing, traffic congestion warning.
Among them, clustering is an effective method to handle frequent changes in
VANET topology by communicating between vehicle clusters and RSU stations. We
introduce stab...
#VANET #CH #Agent
A STEADY-STATE POWER GENERATION METHOD AND STACKED LSTM IN EVENT DETECTION FOR HOUSEHOLD APPLIANCES
Tạp chí khoa học và công nghệ - Tập 27 - Trang 7-13 - 2020
Non-Intrusive Load Monitoring (NILM) is an energy monitoring system that has
gained popularities in recent years for improving energy saving. NILM for home
electricity management provides useful information on home appliances, for
example, estimating electricity consumption of individual appliances from
electric power measurement and habits of consumers in using electricity.
Moreover, this system ...
#NILM #household appliance #event detection #steady-state #CUSUM #Stacked LSTM
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