Long Nhut-Phi Nguyen
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View article: A Comparative Study of Metaheuristic Optimization Approaches to Optimize Laser Welding Process Parameter with Pre-Set Weld Size Magnitude for AISI 416 and AISI 440 FSe Stainless Steels
A Comparative Study of Metaheuristic Optimization Approaches to Optimize Laser Welding Process Parameter with Pre-Set Weld Size Magnitude for AISI 416 and AISI 440 FSe Stainless Steels Open
Optimization methods are used to accurately predict laser welding process parameters, helping to save material effort and time in determining the desired output variables. Based on a mathematical model, parameter selection is considered a …
View article: Response analysis and control of composite thin plate with piezoelectric actuators by Finite Element Method
Response analysis and control of composite thin plate with piezoelectric actuators by Finite Element Method Open
View article: EVALUATING ASH CONTENT IN BIOCHAR MADE FROM SUGARCANE BAGASSE POWDER
EVALUATING ASH CONTENT IN BIOCHAR MADE FROM SUGARCANE BAGASSE POWDER Open
Ash in biochar from the sugarcane bagasse (SCB) powder has been researched into many practical applications, contributing to limiting environmental pollution. This article used the slow pyrolysis method at 450oC and 500oC to create biochar…
View article: EVALUATING THE BIOCHAR CREATION EFFICIENCY FROM SPENT COFFEE GROUNDS
EVALUATING THE BIOCHAR CREATION EFFICIENCY FROM SPENT COFFEE GROUNDS Open
The spent coffee grounds are one of the biomass types that bring many benefits to production and life. The creation of biochar fromspent coffee grounds has garnered significant interest in many studies. This article uses the slow pyrolysis…
View article: Propose Theoretical Foundations for Analyzing the Dynamic Control and Optimizing the Structure of Multifunctional Carbon Fiber-Reinforced Material Plate Integrated Piezoelectric
Propose Theoretical Foundations for Analyzing the Dynamic Control and Optimizing the Structure of Multifunctional Carbon Fiber-Reinforced Material Plate Integrated Piezoelectric Open
In the fields of aviation, energy, construction, biomedicine, chemical technology, and some other fields, the use of functionally graded materials (FGMs) plates, multifunctional carbon nanofibers reinforced material plates, piezoelectric p…
View article: Optimal Design for Robot Arm to Lift Electrical Cabinets with a Mass of 150 Kg
Optimal Design for Robot Arm to Lift Electrical Cabinets with a Mass of 150 Kg Open
With the continuous development of industrial automation, the demand for industrial robots in the manufacturing sector is gradually increasing.Most types of robots are equipped with all driving resources on all stages to create completely …
View article: Survey of Microstructure after Annealing and Normalizing for C45 Steel with Small Diameter
Survey of Microstructure after Annealing and Normalizing for C45 Steel with Small Diameter Open
In the mechanical engineering field, C45 steel with a small diameter is commonly used to manufacture load-bearing machine parts such as nuts, bolts, gear shafts, piston pins, slider bars, etc.The microstructure will help partially support …
View article: Impact Strength of Wax Material Using SLA Method
Impact Strength of Wax Material Using SLA Method Open
Material additive technology, or 3D printing technology, has been determined as one of the forthcoming manufacturing techniques of most enterprises. The mechanical properties of by-products manufactured utilizing 3D printing technology dep…
View article: Liquid Boriding for Small Cutting Tools
Liquid Boriding for Small Cutting Tools Open
In steel surface hardening methods, Boriding produces a layer of uniform hardness from the surface to a depth of the diffusion layer, with high resistance to wear and corrosion. This method can be applied to carbon steels, low alloy steels…
View article: A Study on Modeling and Experiment of a Wave Energy Converter Using Mechanical Coupled with Hydraulic Power Take-off
A Study on Modeling and Experiment of a Wave Energy Converter Using Mechanical Coupled with Hydraulic Power Take-off Open
The article's proposal refers to a new concept of wave energy converter (WEC), in which the power take-off (PTO) is combined with the mechanical and hydrostatic transmission. Here, the wave energy is absorbed by turning the two-way movemen…
View article: Analytical Tuning Rules for Cascade Control Systems Based on Fractional-Order PI Controller in Frequency Domain
Analytical Tuning Rules for Cascade Control Systems Based on Fractional-Order PI Controller in Frequency Domain Open
A design method for a cascade control system is proposed in this paper. To deal with delay times in most of process control systems, the Smith predictor is also suggested in the control structure to eliminate a delay term in closed-loop sy…
View article: Proposing design option for horizontal axial tensile-compression fatigue testing machine for carbon steel
Proposing design option for horizontal axial tensile-compression fatigue testing machine for carbon steel Open
Fatigue strength is one of the important mechanical properties in designing and manufacturing machine parts and machine clusters.The implementation of design and manufacture of experimental machine to help students and students access know…
View article: CARBON NANOFIBER - REINFORCED MULTIFUNCTIONAL SHEET INTEGRATED WITH PIEZOELECTRIC CRYSTAL: AN OVERVIEW OF STRUCTURAL BEHAVIOR ANALYSIS METHODS
CARBON NANOFIBER - REINFORCED MULTIFUNCTIONAL SHEET INTEGRATED WITH PIEZOELECTRIC CRYSTAL: AN OVERVIEW OF STRUCTURAL BEHAVIOR ANALYSIS METHODS Open
Most of the phenomena in life, such as heat transfer, wave propagation, thermoelectricity, sheet materials, multifunctional material properties, etc., can be expressed through mathematical equations or partial differential equations (PDEs)…
View article: CARBON NANOFIBER - REINFORCED MULTIFUNCTIONAL SHEET INTEGRATED WITH PIEZOELECTRIC CRYSTAL: AN OVERVIEW OF STRUCTURAL BEHAVIOR ANALYSIS METHODS
CARBON NANOFIBER - REINFORCED MULTIFUNCTIONAL SHEET INTEGRATED WITH PIEZOELECTRIC CRYSTAL: AN OVERVIEW OF STRUCTURAL BEHAVIOR ANALYSIS METHODS Open
Most of the phenomena in life, such as heat transfer, wave propagation, thermoelectricity, sheet materials, multifunctional material properties, etc., can be expressed through mathematical equations or partial differential equations (PDEs)…
View article: Optimization of Fin with Rectangular and Triangular Shapes by Levenberg – Marquardt Method
Optimization of Fin with Rectangular and Triangular Shapes by Levenberg – Marquardt Method Open
The article proposes using the Levenberg – Marquardt (L – M) method to optimize the fin with the longitudinal profile. The objective in optimizing the fin shape: The fin volume achieved the minimum value, with the optimization variables be…
View article: Thiết kế và thử nghiệm hình dạng răng để tách vỏ và xơ dừa
Thiết kế và thử nghiệm hình dạng răng để tách vỏ và xơ dừa Open
Cây dừa là một trong những cây kinh tế mũi nhọn của các tỉnh miền Tây Nam Bộ. Các sản phẩm từ xơ dừa mang lại tiềm năng kinh tế cho địa phương như tơ xơ dừa, thảm xơ dừa, chậu xơ dừa, mụn dừa, .. Quá trình tách vỏ và xơ dừa theo phương phá…
View article: Determining of the laser heat flux for three-dimensional conduction model by the sequential method
Determining of the laser heat flux for three-dimensional conduction model by the sequential method Open
When performing a laser processing, one of the parameters to consider is the laser heat flux. This is a very important parameter of the processing. It is difficult to directly and correctly measure this parameter during the processing. The…
View article: THE RELIABLE ESTIMATION FOR THE LASER WELD BY THE H- AND P- REFINEMENT OF THE FINITE ELEMENT METHOD
THE RELIABLE ESTIMATION FOR THE LASER WELD BY THE H- AND P- REFINEMENT OF THE FINITE ELEMENT METHOD Open
View article: Global optimization of laminated composite beams using an improved differential evolution algorithm
Global optimization of laminated composite beams using an improved differential evolution algorithm Open
Differential Evolution (DE) is an efficient and effective algorithm recently proposed for solving optimization problems. In this paper, an improved version of Differential Evolution algorithm, called iDE, is introduced to solve design opti…