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

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Optimization of process lability in logistics systems
Tạp chí Kỹ thuật và Công nghệ Đại học Quốc gia Thành phố Hồ Chí Minh - Tập 3 Số SI3 - Trang SI29-SI35 - 2020
Csaba Imre Hencz, Tamás Hartványi
The management and effective operation of enterprise systems – depending on ever-changing environmental impacts – can only be achieved by an appropriate information management practice. Today, in the corporate environment, an astonishing amount of data (often unstructured) is generated. The efficient processing of these data is by no means straightforward and unambiguous, and thus presents signifi...... hiện toàn bộ
Preparation of activated red mud and its application for removal of hydrogen sulfide in air
Tạp chí Kỹ thuật và Công nghệ Đại học Quốc gia Thành phố Hồ Chí Minh - Tập 2 Số SI2 - Trang SI40-SI45 - 2019
Tran Dinh Vi, Nguyen Nhat Huy, Le Truong Anh Huy, Pham Dan Thanh, Bui Khanh Le, Le Nguyen Dang Khoa, Le Thi Kieu Thi, Vo Thi Thanh Thuy, Pham Hong Hai, Lam Pham Thanh Hien, Doan Quoc Vinh
Red mud is a highly alkaline solid waste from the Bayer process for aluminum production. Red mud reservoirs are usually considered as a potential environmental risk. The treatment of red mud is costly due to the lack of an effective and economical treatment technology. On the other hand, the main components of red mud are Fe2O3, Al2O3, SiO2, and Na2O, which could be employed as a promising precurs...... hiện toàn bộ
#red mud #hydrogen sulfide #adsorption #air pollution control
Robustness control for nonlinear systems based on homogeneous prescribed sliding mode control
Tạp chí Kỹ thuật và Công nghệ Đại học Quốc gia Thành phố Hồ Chí Minh - Tập 4 Số 2 - Trang 1019-1035 - 2021
PHU XUAN DO, HUNG QUOC NGUYEN
This paper presents a new homogeneous control using dual sliding mode control, and robustness control using linear matrix inequality (LMI) constraints. The controller is applied for the severe disturbance. A sliding surface function, which relates to an exponential function and itself t-norm, is applied to save the energy consumption of the control system. The constraints related LMI are proposed ...... hiện toàn bộ
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
Design of a dynamic positioning for unmanned surface vehicles using GPS/INS (VIAM-NAVI-M)
Tạp chí Kỹ thuật và Công nghệ Đại học Quốc gia Thành phố Hồ Chí Minh - Tập 3 Số SI2 - Trang SI93-SI101 - 2020
Nguyen Tu Cuong, HUY NGOC TRAN
Today, Unmanned Surface Vehicles (USV) maintain the direction and fixed position necessary for many different applications such as security patrol, transmit information, water sampling, environmental monitoring... With USV model with two hull, control and propulsion systems, both of which are specifically designed to allow the vehicel to perform this task flexibly, omnidirectional and maneuverable...... hiện toàn bộ
Screening for in vitro inhibiting Nrf2 of some Vietnamese medicinal plants
Tạp chí Kỹ thuật và Công nghệ Đại học Quốc gia Thành phố Hồ Chí Minh - Tập 6 Số 3 - Trang In press - 2023
Hien Minh Nguyen, Han Nguyen Thien Le, Nhi Thi Yen Nguyen, Hoa Thanh Vo, Thi Tan Pham, Chia-Hung Yen
Nuclear factor erythroid 2–related factor 2 (Nrf2) is vital in regulating cellular defenses against oxidative or environmental aggressors. Some studies reveal that increasing Nrf2 activity affects chemotherapy drug resistance in cancer; thus, Nrf2 has become an attractive target in cancer therapeutics research. Our study screened the effects of 52 methanol extracts from different parts of 24 medic...... hiện toàn bộ
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
Research and manufacture of automated guided vehicle for the service of storehouse
Tạp chí Kỹ thuật và Công nghệ Đại học Quốc gia Thành phố Hồ Chí Minh - Tập 1 Số 1 - Trang 5-12 - 2019
Ha Quang Thinh Ngo, Anh Son Tran
In the logistics, the storehouse management plays an important role. It is difficult to handle a large warehouse only with human. Therefore, an implementation of path tracking AGV robot is investigated as an automated solution. The analysis of hardware design and software programming is performed in this work. Besides, overall system is scheduled to realize the components. The use of the nonlinear...... hiện toàn bộ
Applying 3D geological model for oil initially in place estimation Dong Duong oilfield, Block 02/97, Cuu Long basin
Tạp chí Kỹ thuật và Công nghệ Đại học Quốc gia Thành phố Hồ Chí Minh - Tập 4 Số SI3 - Trang SI23-SI41 - 2021
Trần Văn Xuân, Nguyễn Tuấn, Nguyễn Xuân Khá, Trần Đức Lân, Trương Quốc Thanh
Despite the crisis, oil and gas is still an irreplaceable energy resource. However, it is a non-renewable resource, so in addition to expanding the search, the rational exploitation of the existing fields is a challenge for the oilfield exploration and production. Combining methods including collecting, processing and analyzing existing documents and data; the results of the article have determine...... hiện toàn bộ
#mô hình 3D #tham số vỉa chứa #tiềm năng dầu khí #trữ lượng tại chỗ
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
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