Do Duc Trung
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View article: Digital Transformation Effectiveness in Select Vietnamese Cities: A Hybrid Approach Combining Probability and SIWEC Methods
Digital Transformation Effectiveness in Select Vietnamese Cities: A Hybrid Approach Combining Probability and SIWEC Methods Open
Digital transformation plays a pivotal role in streamlining administrative procedures, stimulating economic growth, enhancing governance efficiency, and improving quality of life. This research aims to assess the efficacy of digital transf…
View article: A Hybrid MCDM Approach for SDGs Assessment of EU Countries
A Hybrid MCDM Approach for SDGs Assessment of EU Countries Open
This study assesses the progress of EU countries in achieving the Sustainable Development Goals (SDGs) using Multi-Criteria Decision-Making (MCDM) methods. The evaluation covers 27 countries and is based on 15 indicators for the 2019–2021 …
View article: A novel approach for determining criteria weights: application in ranking materials for mechanical manufacturing processes
A novel approach for determining criteria weights: application in ranking materials for mechanical manufacturing processes Open
Material selection is a complex challenge within Multi-Criteria Decision-Making (MCDM). This research introduces SIWEC-ROC, a novel two-stage weighting method combining SIWEC and ROC to ensure stable material rankings across various MCDM t…
View article: R-RAM: A novel hybrid model for option ranking
R-RAM: A novel hybrid model for option ranking Open
Ranking alternatives considering multiple criteria is a complex task, requiring the selection of both a weight calculation method and a ranking method. This study proposes a hybrid method, R-RAM, combining the strengths of the R and RAM me…
View article: A comparative evaluation of data normalization techniques using different metrics: practical application to a MCDM method
A comparative evaluation of data normalization techniques using different metrics: practical application to a MCDM method Open
Data normalization plays a crucial role in determining the ranking of alternatives in multi-criteria decision-making (MCDM) problems. The aim of this study is to investigate the effectiveness of various normalization techniques for the mul…
View article: Design and Fabrication an Novel Orbital Welding Equipment
Design and Fabrication an Novel Orbital Welding Equipment Open
Orbital welding is a relatively meticulous and precise welding technique. To achieve orbital welding, this technique is mainly used in aviation, fission fuel and other industries. For example, it can be used to join long pipes in pressure …
View article: MEPSI (Mutriss Enhanced Preference Selection Index): a novel method for ranking alternatives
MEPSI (Mutriss Enhanced Preference Selection Index): a novel method for ranking alternatives Open
This paper introduces a novel method named Mutriss Enhanced Preference Selection Index (MEPSI) for ranking alternatives. MEPSI is a hybrid of MUTRISS (Multiple-Triangles Scenarios) and PSI (Preference Selection Index). In this study, PSI i…
View article: Applying MCDM to evaluate benchmark scores in the logistics sector for the period 2021–2023: Application to universities in Vietnam
Applying MCDM to evaluate benchmark scores in the logistics sector for the period 2021–2023: Application to universities in Vietnam Open
Choosing a university is a crucial decision for each field of study, as it significantly influences the quality of graduates. An important factor in this decision is the university’s annual benchmark scores. The benchmark score represents …
View article: Building a Ranking System for Lecturers Based on Student Evaluations in Teaching a Specific Course: A Case Study at a University in Vietnam
Building a Ranking System for Lecturers Based on Student Evaluations in Teaching a Specific Course: A Case Study at a University in Vietnam Open
In the current landscape of higher education, the quality of teaching plays a crucial role in supporting the comprehensive development of students. To ensure the effectiveness of the learning process, evaluating lecturers based on student …
View article: Assessing the Impact of Criterion Weights on the Ranking of the Top Ten Universities in Vietnam
Assessing the Impact of Criterion Weights on the Ranking of the Top Ten Universities in Vietnam Open
This study focuses on evaluating the influence of criterion weights on the ranking of the top ten universities in Vietnam. Criteria weights were determined using four different methods, including the equal weight method, the weights of the…
View article: Overcoming the Limitations of the RAPS Method by identifying Alternative Data Normalization Methods
Overcoming the Limitations of the RAPS Method by identifying Alternative Data Normalization Methods Open
This study proposes a new approach to improve the performance of the Ranking Alternatives by Perimeter Similarity (RAPS) method in Multi-Criteria Decision-Making (MCDM). RAPS has attracted attention but encounters difficulties when handlin…
View article: Data normalization in RAWEC method: Limitations and remedies
Data normalization in RAWEC method: Limitations and remedies Open
Multi-Criteria Decision Making (MCDM) methods play a significant role in evaluating and comparing options based on various criteria, helping optimize decisions in complex situations. They enhance transparency and fairness in the decision-m…
View article: Comparison of MCDM methods effectiveness in the selection of plastic injection molding machines
Comparison of MCDM methods effectiveness in the selection of plastic injection molding machines Open
In each specific problem of finding the best solution among many available options, where each option has multiple criteria, multi criteria decision making methods are considered equally effective when they converge to the same optimal sol…
View article: Innovation in Financial Health Assessment: Applying MCDM Techniques to Banks in Vietnam
Innovation in Financial Health Assessment: Applying MCDM Techniques to Banks in Vietnam Open
Assessing the financial health of banks is crucial to ensure the stability of the financial system. This is not only a way to safeguard the interests of customers and shareholders but also to prevent inherent risks and ensure reliability i…
View article: Development of RAMDOE: a new method for rapidly ranking alternatives with supplementary options and considering changes in criteria values
Development of RAMDOE: a new method for rapidly ranking alternatives with supplementary options and considering changes in criteria values Open
This paper delves into the development and validation of the RAMDOE method, a pioneering approach in multi-criteria decision making (MCDM) that seamlessly integrates the root assessment method (RAM) and design of experiments (DOE) techniqu…
View article: Integration of objective weighting methods for criteria and MCDM methods: application in material selection
Integration of objective weighting methods for criteria and MCDM methods: application in material selection Open
Determining weights for criteria is an extremely crucial step in the process of selecting an option based on multiple criteria, also known as Multi-Criteria Decision Making (MCDM). This article presents the combination of five objective we…
View article: Using the root assessment method to choose the optimal solution for mushroom cultivation
Using the root assessment method to choose the optimal solution for mushroom cultivation Open
In this study, an investigation was conducted into two essential aspects of mushroom cultivation. Firstly, the selection of the best type of fertilizer out of ten different options was examined to optimize mushroom growth. The RAM (Root As…
View article: Comparision of both methods psi and curli: applied in solving multi-objective optimization problem of turning process
Comparision of both methods psi and curli: applied in solving multi-objective optimization problem of turning process Open
Solving a multi-objective optimization problem involves finding the best solution to simultaneously satisfy multiple predefined objectives. Currently, various mathematical methods are available for solving optimization problems in general,…
View article: Improving the Accuracy of the Surface Roughness Model in Grinding Through Square Root Transformation
Improving the Accuracy of the Surface Roughness Model in Grinding Through Square Root Transformation Open
Surface roughness is a crucial parameter for mechanical products. To achieve small surface roughness, the grinding method is often chosen as the final machining process. The regression model of surface roughness forms the basis for control…
View article: Using RAM method for optimal selection of flame retardant nanocomposite material fabrication solution
Using RAM method for optimal selection of flame retardant nanocomposite material fabrication solution Open
This study aimed to optimize the selection of manufacturing solutions for flame retardant nanocomposite materials based on polyvinyl chloride (PVC). A total of eight different options were considered. The first option utilized PVC as the b…
View article: The Use of SAW, RAM and PIV Decision Methods in Determining the Optimal Choice of Materials for the Manufacture of Screw Gearbox Acceleration Boxes
The Use of SAW, RAM and PIV Decision Methods in Determining the Optimal Choice of Materials for the Manufacture of Screw Gearbox Acceleration Boxes Open
This article investigates material selection for components in worm gear reduction gearboxes, focusing on the worm shaft, gearbox casing, and worm gear body. The screw shaft’s and worm gear body’s material selection involved evaluating six…
View article: Application of probability theory in machine selection
Application of probability theory in machine selection Open
Machine selection plays a crucial role as it impacts various aspects of production, including technical, economic, and environmental factors. Choosing a machine that ensures a balance among all these aspects is a complex task, as each type…
View article: Cylinder and piston: Material selection in the design phase
Cylinder and piston: Material selection in the design phase Open
The piston and cylinder constitute an inseparable pair, playing a crucial role in both the mechanical and hydraulic industries. They are frequently employed to convert linear motion into rotational motion in various types of engines and ar…
View article: Correlation between climate testing methods and service life prediction for paint systems
Correlation between climate testing methods and service life prediction for paint systems Open
Ensuring the durability of paintwork materials (PWM) to the effects of climatic factors is a necessary problem, especially when they are used in tropical conditions. Wherein, tests in atmospheric conditions (field test) are the main method…
View article: Enhancing Handheld Polishing Machine Selection: An Integrated Approach of Marcos Methods and Weight Determination Techniques
Enhancing Handheld Polishing Machine Selection: An Integrated Approach of Marcos Methods and Weight Determination Techniques Open
The handheld polishing machine plays a pivotal role in enhancing the aesthetics of household products, making it a vital device. This research aims to identify the optimal option among the available types. Thirteen diverse handheld polishi…
View article: Application of FUCA Method for Multi-Criteria Decision Making in Mechanical Machining Processes
Application of FUCA Method for Multi-Criteria Decision Making in Mechanical Machining Processes Open
Multi-criteria decision making (MCDM) is a very useful tool to find the best solution among many solutions. For most MCDM methods, the data must be normalized. However, the data normalization method has a significant influence on the resul…
View article: Decısıon makıng for car selectıon ın Vıetnam
Decısıon makıng for car selectıon ın Vıetnam Open
Mid-priced cars (segment B) are attracting the attention of middle-income families in Vietnam. They often consider choosing one of three vehicles from three different manufacturers, consisting of Hyundai Accent 1.4AT, Toyota Vios 1.5G, and…