Zobrazeno 1 - 10
of 99
pro vyhledávání: '"Do Duc Trung"'
Publikováno v:
International Journal of Cognitive Research in Science, Engineering and Education, Vol 12, Iss 2 (2024)
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 opinions is
Externí odkaz:
https://doaj.org/article/7d5a6fb19cc449c1a1310071657af20c
Publikováno v:
Applied Engineering Letters, Vol 8, Iss 3, Pp 131-138 (2023)
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 polishing machi
Externí odkaz:
https://doaj.org/article/4c8d676202d947c3b56f449e9debcda1
Autor:
Trinh Van Huy, Nguyen Quang Quyet, Vu Huu Binh, Tran Minh Hoang, Nguyen Thi Thuy Tien, Le Tuan Anh, Dao Thi Nga, Nguyen Quoc Doan, Pham Hoang Tu, Do Duc Trung
Publikováno v:
Advanced Engineering Letters, Vol 1, Iss 4, Pp 126-135 (2022)
Electric bicycle is a vehicle which is used widely in all the citys and provinces of Vietnam. However, it’s hard to choose “the most suitable” or “the best” type of electric bicycle because each type has different criteria (parameters).
Externí odkaz:
https://doaj.org/article/7e6176d91089471094f58496f3802af5
Publikováno v:
Journal of Mechanical Engineering, Vol 72, Iss 2, Pp 57-72 (2022)
The ranking results of the alternatives are heavily influenced by the decision making method, data normalization method, and calculation method for criterion weights. In this study, five multi-criteria decision-making methods were compared: MABAC, CO
Externí odkaz:
https://doaj.org/article/64cda990c27d4579b0a44810f595683d
Autor:
Do Duc Trung, Nguyen Nhu-Tung
Publikováno v:
Journal of Mechanical Engineering, Vol 72, Iss 2, Pp 15-40 (2022)
The ranking of solutions to determine the best one among many solutions is always the setting goal for all activities of all fields in general and in the turning process in particular. When a solution is evaluated by multiple criteria, this is known
Externí odkaz:
https://doaj.org/article/89a481a3e32747a7a61947c9e1ffc16a
Autor:
Do Duc Trung
Publikováno v:
Advanced Engineering Letters, Vol 1, Iss 2, Pp 46-56 (2022)
When multi-criteria decision making, decision makers will expend significant effort in selecting a data normalization method and a weighting method. If a mistake is made in those choices, it will result in decisions that do not find the best solut
Externí odkaz:
https://doaj.org/article/44e696ceefec43d2806d7da7284ff7dd
Autor:
Do Duc Trung
Publikováno v:
Applied Engineering Letters, Vol 7, Iss 2, Pp 54-66 (2022)
Data normalization is the conversion of quantities of different dimensions to the same dimensionless form, which is required in multicriteria decision making (MCDM). The choice of data normalization method has a direct influence on the decision-mak
Externí odkaz:
https://doaj.org/article/699a5ee8583e4d93b4f0098906276a56
Publikováno v:
Journal of Mechanical Engineering, Vol 72, Iss 1, Pp 23-34 (2022)
This paper studies the efficiency improvement of AISI 4140 steel external cylindrical grinding process. Experiments were carried out with two types of grinding wheels, a conventional and the rubber-pasted grinding wheels. With each type of the wheel,
Externí odkaz:
https://doaj.org/article/c2efa6fab1e64603b5dd2881d79fe21b
Autor:
Do Duc Trung
Publikováno v:
Applied Engineering Letters, Vol 7, Iss 1, Pp 1-9 (2022)
This paper presents a research on investigating the effect of cutting parameters on the surface roughness (Ra) and roundness error (RE) when turning the interrupted surface of 40X steel. The TiN coated high speed steel (HSS-TiN) inserts were used
Externí odkaz:
https://doaj.org/article/18efc641110f4291bd3f79ddc8852afd
Autor:
Nhu-Tung Nguyen, Do Duc Trung
Publikováno v:
AIMS Materials Science, Vol 7, Iss 6, Pp 871-886 (2020)
Using slotted grinding wheel in machining is a new approach in grinding technology. The slotted grinding wheel is used to improve the introduction of cool lubricant into the cutting zone, improve chip release condition and heat release condition duri
Externí odkaz:
https://doaj.org/article/eaa8364996594e1baebf8bb5baa01dac