Tổng hợp tài liệu Kỹ Thuật - Công Nghệ tham khảo cho học sinh, sinh viên.
The interior ballistic problem for underwater shooting is considered in details in this paper. To work out the dependence of the pressure on the base of the projectile on the combustion of the charge as well as the resistance of the water environment on the projectile motion in the barrel tube are crucial for solving the problem. A software sui...
8 trang | Chia sẻ: huongthu9 | Ngày: 11/08/2021 | Lượt xem: 552 | Lượt tải: 0
Recommendationfor applying new technologies such as cognitive agent and swarm intelligence in manufacturing control field to replace the centralized control of the current manufacturing system to a distributed control by building an autonomous machining system to reduce system downtime in the case of disturbances is a new contribution of this re...
14 trang | Chia sẻ: huongthu9 | Ngày: 11/08/2021 | Lượt xem: 645 | Lượt tải: 0
The article refers to the study of the influence of some process parameters including the number of segment, depth of cut and feed rate to the cutting force when grinding the SKD11 steel by Taguchi methods and analysis of variance (ANOVA). High accuracy and reliability (95 %) of the results of research using the Taguchi method and analysis of v...
10 trang | Chia sẻ: huongthu9 | Ngày: 11/08/2021 | Lượt xem: 614 | Lượt tải: 0
In this work, well-known Lagrange formula was employed in order to derive both the kinematics and dynamics of the nonholonomic WMR in the presence of the unknown wheel slips. Then, the adaptive tracking controller based on the RBFNN with the online weight tuning algorithm has been developed to allow the WMR to track the desired trajectory with t...
16 trang | Chia sẻ: huongthu9 | Ngày: 11/08/2021 | Lượt xem: 465 | Lượt tải: 0
This article has shown a process for modelling the differential motion of a mobile manipulator by using Paul’s algorithm. Subsequently, a fully novel visual servoing for tracking a flying target is designed with the purpose of making the target’s image feature tend asymptotically to the center of the image plane when both the mobile robot and the ...
17 trang | Chia sẻ: huongthu9 | Ngày: 11/08/2021 | Lượt xem: 503 | Lượt tải: 0
This paper presented the modeling of a parallel robot driven by DC motors. The equations of motion for parallel manipulator were derived by using the redundant generalized coordinates and the Lagrangian multipliers. Moreover, the dynamics of DC motors were also integrated in the whole models of the system. The obtained model in this study include...
13 trang | Chia sẻ: huongthu9 | Ngày: 11/08/2021 | Lượt xem: 592 | Lượt tải: 0
While the NUO compensated for UAD. By using the ANFIS-I-MRD and the control force estimated by the FDIC, the current for the MRD to stamp out chassis vibration was then determined. The stability of the FDIC was analyzed via Lyapunov stability theory. The effectiveness of the FDIC was validated via a comparative work with the NFSmUoC and the pas...
19 trang | Chia sẻ: huongthu9 | Ngày: 11/08/2021 | Lượt xem: 550 | Lượt tải: 0
This paper presented a novel method to derive a dynamic model for a free-floating robot in operational space, which is necessary for the control design. Furthermore, a Cartesian impedance control design is derived from this, based on using energy tank to ensure passivity of the controlled system. Therefore, the controlled system can achieve stab...
13 trang | Chia sẻ: huongthu9 | Ngày: 11/08/2021 | Lượt xem: 559 | Lượt tải: 0
In the paper a new method for controlling the manipulator to move a load along a required trajectory is considered. Such problem belongs to type of controlling the program motion. This is one of the most important problems in controlling manipulators. This paper proposes a method for the problem of interest based on of a new point of view that t...
8 trang | Chia sẻ: huongthu9 | Ngày: 11/08/2021 | Lượt xem: 545 | Lượt tải: 0
Based on the gap analysis and considering the existing experience with GHG inventories and GHG accounting in the industry, this study proposes the set of indicators to ensure that the MRV system for the steel industry meets the expectation of NAMA supporters. Concretely, the study suggests the introduction of a scheme with the following roles fo...
8 trang | Chia sẻ: huongthu9 | Ngày: 11/08/2021 | Lượt xem: 540 | Lượt tải: 0
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