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TECHNICAL PAPERS

New Swash Plate Damping Model for Hydraulic Axial-Piston Pump

[+] Author and Article Information
X. Zhang, J. Cho, S. S. Nair

Computer Controlled Systems Laboratory, Mechanical and Aerospace Engineering, University of Missouri, Columbia MO 65211

N. D. Manring

Hydraulic Components Research, Technical Center, Building G, Caterpillar, Inc., Peoria, IL 61656

J. Dyn. Sys., Meas., Control 123(3), 463-470 (Nov 12, 1999) (8 pages) doi:10.1115/1.1386789 History: Received November 12, 1999
Copyright © 2001 by ASME
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References

Figures

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Hydraulic axial-piston pump (a) Overall schematic (b) Valve plate geometry and notation
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Discharge/Intake area and pressure profiles (a) Discharge (solid)/Intake (dotted) area variations (b) Pn*, the pressure profile when α̇=0
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Swash plate free body diagram
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Comparison of reduced order and full nonlinear model step responses (a) Comparison of reduced order and full nonlinear model step responses for general intake/discharge area variation case in Table 1, (Dotted—reduced order model, Eq. (24); Solid—full nonlinear model Eq. 6). (b) Comparison of reduced order and full nonlinear model step responses for constant intake/discharge area variation case (f2=12E-6 m23=0.4105 rad) (Dotted—reduced order model, Eq. (24); Solid—full nonlinear model Eq. (6))

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