Results 341 to 350 of about 1,549,833 (399)
On the Dynamic Behavior of Servo-Hydraulic Drives [PDF]
Nonlinear Dynamics, 1998 A servo-hydraulic drive for position control with a flapper-nozzle type servo-valve is described by a 10th-order, non-linear system of ODEs. This system is partially singularly perturbed. The perturbation stems from the compressibility of the hydraulic fluid and the fast dynamics of some sub-systems of the valve.
Bernhard Manhartsgruber, Rudolf Scheidl
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MRI-Compatible Hydraulic Drive Needle Insertion Robot
International Conference on Advanced Robotics and Mechatronics, 2021In recent years, the Magnetic Resonance Imaging (MRI) offers high-contrast images of soft tissue to monitor the ablation procedure, an MRI-compatible robotic system aiming to target the lesions with high precision inside the MRI scanner for better ...
Yufu Qiu +5 more
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Verified simulation of a hydraulic drive [PDF]
Proceedings of the First Workshop on Robot Motion and Control. RoMoCo'99 (Cat. No.99EX353), 1999 To obtain reliable simulation results in the context of uncertain data and error propagation we use interval arithmetics and a self acting error calculus, and apply these methods to a hydraulic driven elastic robot. We describe a new explicit Sugeno-Takagi fuzzy model representation of a hydraulic differential cylinder with servo valve and show that a ...
H. Traczinski, T. Mollers, D. Fansten
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Adaptive Hydraulic Drive of Manipulator
Applied Mechanics and Materials, 2016At 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 Ivanov, Baurjan Tultayev
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Clinker cooler hydraulic drives
Cement Industry Technical Conference, 2003. Conference Record. IEEE-IAS/PCA 2003, 2003For many years modifications to grate cooler technology have continuously developed. Many of the grate coolers supplied for the cement industry over the last 50 years include hydraulic drives. Continuous developments for the clinker cooler hydraulic drive have achieved a considerable improvement of operation, reliability and capacity. The following two
J. Knabbe +3 more
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Digital Hydraulic Winch Drives
BATH/ASME 2018 Symposium on Fluid Power and Motion Control, 2018This 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
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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
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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
, 2020
For the strict requirement of convey tools in horizontal well operation, this paper proposes a hydraulic drive downhole traction in-pipe robot based on the flexible support structure, which has the characteristics of compact structure, large traction ...
J. Shang +5 more
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For the strict requirement of convey tools in horizontal well operation, this paper proposes a hydraulic drive downhole traction in-pipe robot based on the flexible support structure, which has the characteristics of compact structure, large traction ...
J. Shang +5 more
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A hydraulic drive of booster pumps
Thermal Engineering, 2007A proposal is made to use a hydraulic turbine as a drive for booster pumps in the feedwater systems of supercritical-pressure boilers.
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