Tạp chí Kỹ thuật và Công nghệ Đại học Quốc gia Thành phố Hồ Chí Minh

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Application of mathematical programming for optimal programming of Vietnamese fishing fleet
Tạp chí Kỹ thuật và Công nghệ Đại học Quốc gia Thành phố Hồ Chí Minh - Tập 2 Số 4 - Trang 213-222 - 2020
Tran Gia Thai
The Vietnamese fishing fleet has been developing spontaneously without programming and control. It has bring about detrimental effect on the operate of fishing fleet, especially with a serious impact on the resources. The programming of the fishing fleet, that has been set up by the our fisheries authority, but so far there is no satisfactory solution for the complexity of the problem. In this pap...... hiện toàn bộ
#genetic algorithm #programming of fishing boat fleet #mathematical programming #Ninh Thuan province
Developement of 3D printer for silicate-based materials
Tạp chí Kỹ thuật và Công nghệ Đại học Quốc gia Thành phố Hồ Chí Minh - Tập 2 Số SI2 - Trang SI1-SI14 - 2019
Manh-Quyen Dam, Minh-Thien Nguyen, Anh-Tu Tran, Thien-Toan Quan Le, Khanh-Son Nguyen, Tri-Huynh Ngoc Nguyen, Can Chi Trieu
3D printer and 3D printing technology are now considered as one of the key factor in the manufacturing industry. In the near future, we could envisage different application of 3D printing method in the sector of materials processing and production. In the sector of civil engineering, they existed somewhere some construction works developed with 3D printing technology.  In this study, we aim t...... hiện toàn bộ
A probability-based artificial potential field for autonomous vehicles in avoiding uncertain obstacles
Tạp chí Kỹ thuật và Công nghệ Đại học Quốc gia Thành phố Hồ Chí Minh - Tập 6 Số 2 - Trang In press - 2023
Ho Pham Huy Anh, Phan Minh Tam
Nowadays unmanned vehicles are compulsorily required to contain a reliable collision avoidance system as to reach closer toward the target of the autonomous vehicle (AV). Up to now lots of obstacle avoidance techniques have been introduced and successfully applied in practice. Unfortunately, in almost of these ob-stacle avoidance algorithms, the uncertainty of the input that includes obstacle trac...... hiện toàn bộ
#autonomous vehicle (AV) #obstacle avoidance #collision avoidance #uncertain obstacle #probability-based artificial potential field method
Parallel approaches of genetic algorithm in the MIC architecture of the Intel Xeon Phi
Tạp chí Kỹ thuật và Công nghệ Đại học Quốc gia Thành phố Hồ Chí Minh - Tập 2 Số 4 - Trang 277-287 - 2020
Anh-Tu Ngoc Tran, Nam Thoai, Nguyen Quang Hung
Today, genetic algorithms are widely used in many fields such as bioinformatics, computer science, artificial intelligence, finance ... Genetic algorithms are applied to create high quality solutions for complex optimization problems in the above industries. There have been many studies based on the proposed new hardware architecture that aims to speed up the execution of genetic algorithms as qui...... hiện toàn bộ
Manufacturing Thermal-resistant Aluminum Alloy Wire for Overhead Line Conductor
Tạp chí Kỹ thuật và Công nghệ Đại học Quốc gia Thành phố Hồ Chí Minh - Tập 6 Số SI3 - Trang In press - 2023
Huynh Cong Khanh, Ly Thai Phap, Do Thanh Toan
One of the overhead line conductor’s tasks is to ensure high electrical conductivity and high tensile strength after repeated heating to 180 oC. However, conventional aluminum conductor steel reinforced (ACSR) does not meet the above requirements (operating temperature ≤ 90 oC). To solve this problem, foreign countries have used Zr-bearing aluminum alloy, adding other alloying elements, such as Si...... hiện toàn bộ
#Aluminum thermal-resistant wire #Aluminum-zirconium wire #Al-Zr-Si-Fe alloy #electrical conductor.
Optimizing Microwave Synthesis Parameters of Amorphous MoS2/CNT Nanocomposites for Enhanced Hydrogen Evolution using the Taguchi Method
Tạp chí Kỹ thuật và Công nghệ Đại học Quốc gia Thành phố Hồ Chí Minh - Tập 6 Số SI3 - Trang In press - 2023
Nguyet Thi Minh Nguyen, Dat Vinh Vuong, Phuc Huu Huy Nguyen, Thang Van Le
Conventional optimization studies that involve changing one parameter while keeping the others constant are frequently regarded as time-consuming and expensive. The Taguchi method, however, is a simpler and equally effective method for optimizing multiple operational variables in the statistical design of experimental methods. In this study, the Taguchi optimization method was used to determine th...... hiện toàn bộ
Injectable Thermosensitive Poly(ethylene glycol)–poly(-caprolactone)–poly(ethylene glycol) Hydrogels: Optimal Synthesis Conditions and Sol-gel-sol Transition Behaviour
Tạp chí Kỹ thuật và Công nghệ Đại học Quốc gia Thành phố Hồ Chí Minh - Tập 5 Số SI1 - Trang 69-80 - 2022
Nga Hoang Nguyen Do, Quyen Tue Truong, Hà Cẩm Anh, Thinh Hung Pham
Hydrogels are polymeric materials containing amphiphilic networks that can absorb a large amount of physiological fluid without damaging their structure. By following the two-step procedure of caprolactone ring-opening reaction and coupling PEG-PCL blocks with hexamethylene diisocyanate (HMDI), injectable thermosensitive poly(ethylene glycol)–poly(-caprolactone)–poly(ethylene glycol) (PEG–PCL–P...... hiện toàn bộ
#Copolymer #Hydrogel #Sol-gel transition #Thermosensitive
Simulating behavior and evaluating rational parameters of the tubular steel joint using flanges and bolts by FEM analysis
Tạp chí Kỹ thuật và Công nghệ Đại học Quốc gia Thành phố Hồ Chí Minh - Tập 2 Số 4 - Trang 288-305 - 2020
Nguyen Trong Vinh, Le Anh Tuan
With many advantages, nowadays, the structure using tubular steel structure is more and more widely used in all kinds of construction. In response to the rapid development of the tubular steel structure, it has been had a lot of research about the joints of this structure. Welding joints and joints using flanges and bolts are used most popular in the tubular structure. However, most of the researc...... hiện toàn bộ
#tubular steel #flanges #high strength bolt #concurrent shear force and bending #mechanisms of destruction
The influence of fluid-structure interactions 2-ways on dynamic characteristics of flexible tank
Tạp chí Kỹ thuật và Công nghệ Đại học Quốc gia Thành phố Hồ Chí Minh - Tập 6 Số 3 - Trang In press - 2023
Bui Pham Duc Tuong, Văn Đoàn Nguyễn, Đăng Khôi Nguyễn, Duc Huynh Phan, Văn Hải Lương
This paper investigates the influence of two-way fluid-structure interactions (FSI) on the dynamic characteristics of flexible storage liquid tanks. A coupled finite volume method FVM and finite element method FEM (FVM/FEM) was developed to simulate a flexible water tank subjected to seismic loading. FVM is used to simulate the fluid domain and FEM is used to capture the structural domain. The two...... hiện toàn bộ
Optimal dynamic routing for two forklifts in narrow-Aisle racking warehouse
Tạp chí Kỹ thuật và Công nghệ Đại học Quốc gia Thành phố Hồ Chí Minh - Tập 3 Số SI1 - Trang SI23-SI28 - 2020
Duy Anh Nguyen, Truong Giang Dang, Ngoc Cuong Truong
Determining storage location and planning path are the two most important components in warehouse management. Simultaneous resolution of these problems not only reduces the storage and retrieval time but also avoids the loss of goods. The article offers a scenario of a practical cold warehouse system with narrow aisle racking, where space optimization and time schedules are always the top priority...... hiện toàn bộ
#storage process #storage location #route planning #optimal route #closest open location
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