Zobrazeno 1 - 10
of 5 116
pro vyhledávání: '"hydraulic cylinder"'
Publikováno v:
Gong-kuang zidonghua, Vol 50, Iss 8, Pp 135-143 (2024)
Currently, PID control method is mainly used for the pitch control of coal mine roadheader, and the control precision is not high in the case of time-varying and nonlinear hydraulic system during the pitch control of roadheader. The pitch control of
Externí odkaz:
https://doaj.org/article/284296397e3b4f948553e4f4421a10a3
Autor:
F. R. Krupenin, E. V. Kurakina
Publikováno v:
Вестник СибАДИ, Vol 21, Iss 3, Pp 376-387 (2024)
Introduction. For high-rise building construction self-climbing platforms based on hydraulic drive are used, lifting the formwork for monolithic structures. These lifting mechanisms differ in structures, characteristics and parameters. There is a nee
Externí odkaz:
https://doaj.org/article/125dad9ab9b841ce878e4a7eeeb75409
Publikováno v:
Гірничі, будівельні, дорожні та меліоративні машини, Iss 103 (2024)
Reach stackers are efficient and maneuverable machinery for an overload of overall containers in cargo terminals and ports today. Such machinery design determines the practical interest of the engineering industry specialists. However, the lack of in
Externí odkaz:
https://doaj.org/article/4efd5764aae9473786ac7d3061c49906
Publikováno v:
Machinery & Energetics, Vol 15, Iss 2, Pp 46-56 (2024)
One of the most promising areas for improving the energy efficiency of machines is the use of energy recovery from its source. The study aims to develop a basic hydraulic scheme of the clamping mechanism of the sowing section, which would allow to re
Externí odkaz:
https://doaj.org/article/72ab86d345bb4e1d9b2480f57a4bc438
Autor:
Vadim O. Nikonov, Valeryi I. Posmetyev, Andrey Yu. Manukovskii, Viktor V. Posmetyev, Igor V. Sizmin
Publikováno v:
Лесной журнал, Iss 2, Pp 128-141 (2024)
The main advantages and peculiarities of the interaction of the links of a logging road train when moving during wood hauling along under-equipped logging roads are considered. Based on the analysis of the results of the research carried out by Russi
Externí odkaz:
https://doaj.org/article/749644a31138435495616dad141901e2
Publikováno v:
Проблеми трибології, Vol 29, Iss 1/111, Pp 38-44 (2024)
The article is dedicated to the study of the influence of the pressing force on the wear resistance of the working hydraulic cylinder of the mechanism of the sealing plate of the garbage truck. The usage of a mathematical dependencies and appropriate
Externí odkaz:
https://doaj.org/article/0dd96344fb414a8cb5cce6e23ee2c6c9
Publikováno v:
Results in Engineering, Vol 22, Iss , Pp 102033- (2024)
Metal magnetic memory (MMM) method is a novel and potential nondestructive evaluation (NDE) technique to assess residual fatigue life of the ferromagnetic structure, such as hydraulic cylinder. In this paper, an evaluation framework was proposed. Fir
Externí odkaz:
https://doaj.org/article/7420ff4f31e44e39865323c49a9d2698
Publikováno v:
IEEE Access, Vol 12, Pp 80138-80152 (2024)
Due to the coupling of multiple nonlinear factors in the position control system of the double closed-loop digital hydraulic cylinder, achieving precise and stable control of complex nonlinear systems with a single structural controller is difficult.
Externí odkaz:
https://doaj.org/article/aa7b053e7b4f454dbfbdd67d733263a6
Publikováno v:
水下无人系统学报, Vol 31, Iss 6, Pp 903-910 (2023)
For lightweight and small volume requirements of unmanned undersea vehicles (UUVs), a hydraulic cylinder-ram piston-grid tube launch device was presented in this paper. To evaluate the dynamic characteristics of the device, the dynamic model of the d
Externí odkaz:
https://doaj.org/article/dd1b9bbcb03841cc965c7d15a7e00eb9
Publikováno v:
Meikuang Anquan, Vol 54, Iss 12, Pp 143-150 (2023)
In the coal mine tunnel TBM excavation, in order to identify the broken surrounding rock state in time during the excavation process, a method based on tunnel excavation parameters for identifying the surrounding rock characteristics of coal mine tun
Externí odkaz:
https://doaj.org/article/24cb01d0751f42c591e5ad7345a66d82