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Digital Hydraulic Winch Drives

BATH/ASME 2018 Symposium on Fluid Power and Motion Control, 2018
This paper presents the planned use of digital displacement high torque low speed motors to drive large winches in off-shore and maritime applications. The digital displacement technology uses forced actuation of high- and low pressure valves for each cylinder chamber, i.e.
Henrik B. Larsen   +3 more
openaire   +1 more source

An Overview of Energy Savings Approaches on Hydraulic Drive Systems

, 2020
Different procedures to improve the energy efficiency of a hydraulic drive system have been surveyed in this article. The energy-saving approaches are classified into four categories: hybridization, control algorithms, waste energy recovery and reduction
Anil C. Mahato, S. Ghoshal
semanticscholar   +1 more source

Artificial Intelligence Enabled Energy-Saving Drive Unit With Speed and Displacement Variable Pumps for Electro-Hydraulic Systems

IEEE Transactions on Automation Science and Engineering
In this paper, an artificial intelligence enabled energy-saving strategy (AIESS) is proposed to achieve high energy efficiency of hydraulic systems with a speed and displacement variable pump (SDVP). The AIESS, which integrates extreme gradient boosting (
Rui Jin   +6 more
semanticscholar   +1 more source

Adaptive Hydraulic Drive of Manipulator

Applied Mechanics and Materials, 2016
At present in manipulators the hydraulic drives with one degree of freedom are used. Such drive provides single-valued function of constraint between input and output links motion. However for overcoming of variable force of resistance it is necessary to use the variable transfer ratio between input and output links. The adjustable drive should contain
Konstantin Samson Ivanov   +1 more
openaire   +1 more source

Hydraulic Drive Systems

1984
In automation in general and robotics in particular, the use of computerized hydraulic drive control systems is quite common.
openaire   +1 more source

Experimental research characteristics of counterbalance valve for hydraulic drive control system of mobile machine

Przeglad Elektrotechniczny, 2019
Experimental studies of counterbalance valve for the hydraulic drive control systems of mobile machines are presented. According to the results of theoretical research experimental prototype of the counterbalance valve is developed.
L. Kozlov
semanticscholar   +1 more source

OLIVER OVER/UNDER HYDRAUL DRIVE

SAE Technical Paper Series, 1968
<div class="htmlview paragraph">The design and development of a unique three-ratio, hydraulic-shift auxiliary transmission utilizing a planetary and countershaft gear system is presented. Uninterrupted power transfer providing more efficient use of engine horsepower is prime objective.</div>
R.J. Ronayne, R.E. Prunty
openaire   +1 more source

Interferometrically Controlled Hydraulic Wavelength Drive*

Journal of the Optical Society of America, 1961
After a discussion of the nature and history of the wavelength drive problem, the construction and operation of an interferometrically controlled hydraulic wavelength drive is described. With servo control, the interferometer end reflector which is maintained in contact with the driven element is advanced linearly to within 0.1 fringe. The speed of the
George A. Ameer, William M. Benesch
openaire   +1 more source

Sliding Mode Robust Control of Hydraulic Drive Unit of Hydraulic Quadruped Robot

International Journal of Control, Automation and Systems, 2022
Rui Zhu   +5 more
semanticscholar   +1 more source

Pneumatic–Hydraulic Pile Driving Hammer

2020
In the early fifteenth century, people used ropes to lift heavy objects for piling. Various diesel hammers and hydraulic hammers emerged as the times require. This chapter introduces a pneumatic–hydraulic pile hammer which combines pneumatic technology with hydraulic technology, including its historical origin, domestic and foreign products, basic ...
openaire   +1 more source

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