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
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...
Depth estimation of the absorbing structure in a slab turbid medium using point spread function
Tạp chí Kỹ thuật và Công nghệ Đại học Quốc gia Thành phố Hồ Chí Minh - Tập 3 Số SI3 - Trang SI10-SI21 - 2020
Nowadays, transillumination imaging is more popular used in the medical field
with the development of the vein finder and the non-invasive diagnosis
applications. Near-infrared light with a wavelength of 700 - 1200 nm has
relatively high transmission through biological tissue. Using near-infrared
light, we can able to obtain a two dimensional (2D) transillumination image of
the internal absorption...
#transillumination imaging #scattering suppression #convolution #Point spread function (PSF) #depth estimation
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
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 ...
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
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...
#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
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...
Use of wheat flour and sugarcane bagasse in the production of fiber-rich biscuit: Effects of sugarcane bagasse ratio on the product quality
Tạp chí Kỹ thuật và Công nghệ Đại học Quốc gia Thành phố Hồ Chí Minh - Tập 5 Số 4 - Trang 1679-1685 - 2023
Nowadays, sugarcane is used as main material to manufacture crystal sucrose and
packaged sugarcane juice. The sucrose production generates sugarcane bagasse
with sugarcane peel while the sugarcane juice production releases sugarcane
bagasse without its peel. There have been many reports on the use of sugarcane
bagasse with peel to produce various value-added products. Nevertheless, the
application...
#Bánh quy; bã mía; chất xơ; tỉ lệ bổ sung.
Development and Implementation of Smart Water Metering System based on Lora Technology
Tạp chí Kỹ thuật và Công nghệ Đại học Quốc gia Thành phố Hồ Chí Minh - Tập 5 Số 1 - Trang 1342-1370 - 2022
The article presents an overview of traditional water meters in Vietnam,
digitizing metrology technologies and wireless data transmission technology for
data collection and user applications in smart water metering systems. After
that, it is proposed to design a smart wireless water meter module. This paper
focuses on designing and implementing a smart water meter to re-use traditional
mechanical ...
#Smart water metering #Lora network #Hall sensor #LC sensor #IoT platform
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
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...
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
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 to man...
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
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...
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