Modeling of Swash Plate Axial Piston Pumps With Conical Cylinder Blocks

[+] Author and Article Information
M. K. Bahr Khalil, J. Svoboda, R. B. Bhat

Mechanical and Industrial Engineering Department, Concordia University, 1455 De Maisonneuve Boulevard West, Montreal, Quebec H3G 1MG, Canada

J. Mech. Des 126(1), 196-200 (Mar 11, 2004) (5 pages) doi:10.1115/1.1640363 History: Received October 01, 2002; Online March 11, 2004
Copyright © 2004 by ASME
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Kaliafetis, P., and Costopoulos, T., 1994 “Modeling and Simulation of an Axial Piston Variable Displacement Pump with Pressure Control,” Mechanical Design and Control Section & Machine Design Laboratory, Partition 42, pp. 599-612, National University of Athens, Greece.
Manring,  N. D., and Johnson,  R. E., 1996, “Modeling and Designing a Variable-Displacement Open-Loop Pump,” J. Dyn. Syst., Meas., Control, 118, pp. 267–272.
Zhang,  X., Cho,  J., Nair,  S., and Manring,  N. D., 2001, “New Swash Plate Damping Model for Hydraulic Axial Piston Pumps,” J. Dyn. Syst., Meas., Control, 123, pp. 463–470.
Kassem, S. A., and Bahr, M. K., 2000 “On the Dynamics of Swash Plate Axial Piston Pumps with Conical Cylinder Blocks,” Sixth Triennial International Symposium on Fluid Control Measurement and Visualization Flucome2000, August 13–17, Sherbrooke University, Sherbrooke, Canada.
Bahr,  M. K., Svoboda,  J., and Bhat,  R. B., 2003, “Vibration Analysis of Constant Power Regulated Swash Plate Axial Piston Pumps,” J. Sound Vib., 259(5), pp. 1225–1236 (January).
Franklin, Powell, and Abbas, 2002 Feedback Control of Dynamic Systems, Fourth Edition, ISBN 0-13-032393-4, Prentice Hall, New Jersey.


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Piston pump with conical cylinder block
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Piston chamber parameters and variables
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Piston general space motion
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Symbolic representation of the control unit
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Schematic representation of the hydro-mechanical part of the control unit
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Block diagram of the simulation program
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Swash plate time response when the swash plate inclination angle increases
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Swash plate time response when the swash plate inclination angle decreases



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