Results 141 to 150 of about 1,102 (194)

Experimental study on a three-position four-way water hydraulic directional valve with a novel sealing structure. [PDF]

Sci Rep
Zhang X, Fan X, Liang J, Chen K, Gao D, Wang Z, Xu H, Gao M.   +7 more
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Global stability boundary analysis and verification of aviation pressure servo-controlled actuator system. [PDF]

Sci Rep
Huang Z, Li X, Cao Z, Ma C, Wang Y, Yu B, Ma G, Kong X.   +7 more
europepmc   +1 more source

Improvement in Mechanical Properties of Completely Decomposed Granite Soil Concrete Fabricated with Pre-Setting Pressurization. [PDF]

Materials (Basel)
Song Y, Yue ZQ, Ding Y.
europepmc   +1 more source

Modeling, analysis and control of an inertial wave energy converter and hydraulic power take-off unit. [PDF]

Sci Rep
Jia H, Pei Z, Tang Z, Li M.
europepmc   +1 more source

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Slipper Balance in Axial Piston Pumps and Motors

Journal of Tribology, 1992
The paper presents the results of an experimental and theoretical investigation of the effect of clamping ratio and orifice size on the performance of slippers in axial piston pumps and motors. Polishing of the running face to a slightly convex form appears to be essential for successful operation under all conditions. It is shown that slippers operate
Koc E., Hooke C.J., Li K.Y.
openaire   +1 more source

Damping on the swash plate of an axial-piston pump

Proceedings of the 2000 American Control Conference. ACC (IEEE Cat. No.00CH36334), 2000
An, open loop, reduced order model is proposed for the swash plate dynamics of an axial piston pump. The difference from previous reduced order models is the modeling of a damping mechanism not reported previously in the literature. An analytical expression for the damping mechanism is derived. The proposed reduced order model is validated by comparing
Xiaoping Zhang, J. Cho, Satish S. Nair, Noah D. Manring   +3 more
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Experimental Simulation of Piston Leakage in an Axial Piston Pump

Fluid Power Systems and Technology, 2005
A method used to introduce “artificial leakage” into an axial piston pump to simulate leakage from a worn piston is described in this paper. A pressure control servo valve with a very high frequency response was employed to divert flow from the pump outlet in a prescribed waveform directly to tank.
Zeliang Li, Richard Burton, Peter Nikiforuk   +2 more
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Loads on the regulator of an axial-piston pump

Russian Engineering Research, 2010
A mathematical model is developed for the piston chamber of an axial-piston pump. On the basis of the model, the pressure within the chamber may be investigated in different operating conditions; the load at the regulator due to the pressure may be estimated; and the design of the pump and the regulator may be optimized.
A. A. Chernyakov, A. P. Konov, Ya. A. Darsht   +2 more
openaire   +1 more source

The kinematic analysis of axial-piston pumps

Mechanism and Machine Theory, 1983
Abstract This investigation describes the kinematics of axial hydraulic pumps with spherical ended pistons. The results, however, apply to the basic kinematics of all axial piston pumps. The current hypothesis is that sliding at the piston/swash plate interface contributes to the wear of these parts.
Wayne D. Milestone, Alan Solomon, Gerry Olsen   +2 more
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Torque on the Swashplate of an Axial Piston Pump

Journal of Dynamic Systems, Measurement, and Control, 1985
As part of a study involving methods of control of an axial piston pump, it is required to obtain linear or linearized equations of motion of the system’s states. The torque imposed on the plate by the pumping action of the pistons is the most important term in the equation of motion of the swashplate.
G. Zeiger, A. Akers
openaire   +1 more source