Zobrazeno 1 - 10
of 72
pro vyhledávání: '"load holding"'
Publikováno v:
Actuators, Vol 13, Iss 9, p 372 (2024)
Among various motor-controlled hydraulic cylinder (MCC) topologies, the two-motor-two-pump (2M2P) MCC distinguishes itself through several notable advantages, including precise cylinder pressure control and eliminating mode switch oscillations. Never
Externí odkaz:
https://doaj.org/article/b292496a86a341858892c96e23dbd5b1
Publikováno v:
Modeling, Identification and Control, Vol 44, Iss 3, Pp 125-139 (2023)
When a hydraulic cylinder connects two chambers directly to one or two hydraulic pumps driven by electric servo motors without any control valve in between, it can be called a motor-controlled hydraulic cylinder (MCC). Unlike valve-controlled cylinde
Externí odkaz:
https://doaj.org/article/2d61315ae2dd49eabc67edc7fbebc87f
Publikováno v:
Energies, Vol 17, Iss 11, p 2484 (2024)
This paper is concerned with a hydraulic cylinder directly controlled by a variable speed motor-driven fixed-displacement pump. The considered configuration is referred to as a one-motor-one-pump (1M1P) motor-controlled hydraulic cylinder (MCC). A 1M
Externí odkaz:
https://doaj.org/article/4560e28c3a104e1c9f86d1a2e04d92a5
Publikováno v:
Fluids, Vol 9, Iss 1, p 14 (2024)
In pursuit of advancing the development of more electric aircraft, the present research explores the forefront capabilities of electro-hydrostatic actuators (EHAs) as potential replacements for conventional hydraulic flight control systems. EHAs are
Externí odkaz:
https://doaj.org/article/3453c5fcc9b940f89cb66d80fa72b472
Akademický článek
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Publikováno v:
Modeling, Identification and Control, Vol 41, Iss 3, Pp 185-205 (2020)
This paper presents a self-contained pump-controlled hydraulic linear drive including an innovative load holding sub-circuit. For safety critical applications such as crane manipulators, locking valves or load holding valves are enforced by legislati
Externí odkaz:
https://doaj.org/article/0dae3e586b1240a9bf66a25f75b8b792
Akademický článek
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Publikováno v:
Modeling, Identification and Control, Vol 40, Iss 2, Pp 89-108 (2019)
This paper proposes a novel actuation system for an offshore drilling application. It consists of three self-contained electro-hydraulic cylinders that can share and store regenerated energy. The energy saving potential of the proposed solution is an
Externí odkaz:
https://doaj.org/article/5962b6e1f06646d8bb7d5c8ea7878acc
Publikováno v:
Energies, Vol 15, Iss 13, p 4558 (2022)
It is very well known that the use of a load-holding valve (LHV) in a hydraulic system introduces additional energy consumption. This article presented a simplified graphical method for analyzing the power requirements of hydraulic systems equipped w
Externí odkaz:
https://doaj.org/article/fc20b2326b8741eea7ab08d284b8775c
Publikováno v:
10th International Fluid Power Conference (10. IFK) March 8-10, 2016. 2:425-436
The paper shows standard circuits with load reactive and non load reactive counterbalance valves. A Matlab simulation based on a linear model for the circuit with load reactive counterbalance valves shows what parameters have a significant influence
Externí odkaz:
https://tud.qucosa.de/id/qucosa%3A29370
https://tud.qucosa.de/api/qucosa%3A29370/attachment/ATT-0/
https://tud.qucosa.de/api/qucosa%3A29370/attachment/ATT-0/