Results 11 to 20 of about 48,334 (266)

The Necessity of Application of Frequency Electric Drives for Irrigation Systems [PDF]

E3S Web of Conferences, 2021
The article substantiates the possibility of using frequency drives in agricultural production, shows promising areas of their application, shows the positive qualities of frequency drives, which make it possible to confidently compete with gear drives ...
Kaidar A.B., Shapkenov B.K., Markovsky V.P., Kislov A.P., Borzykh A.O.   +4 more
doaj   +1 more source

Influence of Flow Divider on Overall Efficiency of a Hydrostatic Drivetrain of a Skid-Steer All-Wheel Drive Multiple-Axle Vehicle

Energies, 2021
The efficiency of a skid-steer, all-wheel drive, multiple-axle vehicle with a hydrostatic drivetrain equipped with low-speed motors when it operates on soft terrain was studied.
Mirosław Przybysz, Marian Janusz Łopatka, Marcin Małek, Arkadiusz Rubiec   +3 more
doaj   +1 more source

Monitoring method of gear teeth failure of hydraulic gear pump based on improved VMD and DBN-DNN of electrical signal

Journal of Measurement Science and Instrumentation, 2021
Abundant system operation state information is included in the electrical signal of the hydraulic system motor. How to accurately extract and classify the operation information of electrical signal is the key to realize the condition monitoring of ...
YANG Sha, GU Lichen, SHI Yuan, GENG Baolong, LIU Jiamin, ZHAO Baojian, WU Haoyu   +6 more
doaj  

Output Ripple Difference and Following Lightweight Design of External Gear Pumps and Motors

Jixie chuandong, 2023
In order to clarify the different output mechanism and following ripple difference between external gear pump and motor, based on the reverse design method from performance to gear parameter and special involute feature without undercut, from the contact
Wang Hao, Song Anran, Li Yulong
doaj  

GeroMAG: in-house prototype of an innovative sealed, compact and non-shaft-driven gerotor pump with magnetically-driving outer rotor [PDF]

, 2017
The technology of gerotor pumps is progressing towards cutting-edge applications in emerging sectors, which are more demanding for pump performance. Moreover, recent environmental standards are heading towards leakage-free and noiseless hydraulic systems.
Castilla López, Roberto, Codina Macià, Esteban, Freire Venegas, Francisco Javier, Gámez Montero, Pedro Javier   +3 more
core   +2 more sources

Analysis of Efficiency Characteristics of a Deep-Sea Hydraulic Power Source

Lubricants, 2023
Deep-sea submersibles carry limited energy sources, so a high efficiency of the equipment is required to improve endurance. In the deep-sea environment, the hydraulic power source is filled with oil, which causes structural deformation of the power ...
Donglin Li, Fuhang Guo, Liping Xu, Shuai Wang, Youpeng Yan, Xianshuai Ma, Yinshui Liu   +6 more
doaj   +1 more source

A Case Study of Open- and Closed-Loop Control of Hydrostatic Transmission with Proportional Valve Start-Up Process

Energies, 2022
This paper concerns the start-up process of a hydrostatic transmission with a fixed displacement pump, with particular emphasis on dynamic surplus pressure.
Paweł Bury, Michał Stosiak, Kamil Urbanowicz, Apoloniusz Kodura, Michał Kubrak, Agnieszka Malesińska   +5 more
doaj   +1 more source

Influence and Analysis of Trapped-oil on Output Characteristic of Gear Motor

Jixie chuandong, 2022
To clarify characteristics of trapped-oil of gear motor and its influence on output torque and output speed， in terms of meshing and oil trapping process of motor gear pair， the medium pressure distribution on the tooth flanks and the solution model of ...
Shengjie Yan, Ruyi Wang
doaj  

Study of Permanent Magnet Synchronous Motor With LQG Controller and Observer On The Hydraulic Pump System

Jurnal EECCIS (Electrics, Electronics, Communications, Controls, Informatics, Systems), 2023
In today's aircraft industry, the flight control system and landing gear system cannot be separated from the role of the hydraulic technology system. As the prime mover of the hydraulic pump or actuator hydraulic system, a permanent magnet synchronous ...
Paulus Setiawan, Linda Meilani, Denny Dermawan, Freddy Kurniawan, Okto Dinaryanto   +4 more
doaj   +1 more source

Designing Comprehensive Shifting Control Strategy of Hydro-Mechanical Continuously Variable Transmission

Applied Sciences, 2022
The shift quality is one of the most important criteria for evaluating the operation and transportation of a hydro-mechanical continuously variable transmission (HMCVT) tractor.
Jiang Li, Hao Dong, Bing Han, Yanan Zhang, Zhongxiang Zhu   +4 more
doaj   +1 more source