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TECHNICAL PAPERS

A Simplified 4-DOF Suspension Model for Dynamic Load/Unload Simulation and Its Application

[+] Author and Article Information
Q. H. Zeng, D. B. Bogy

Computer Mechanics Laboratory, Department of Mechanical Engineering, University of California, Berkeley, CA 94720

J. Tribol 122(1), 274-279 (May 18, 1999) (6 pages) doi:10.1115/1.555354 History: Received February 05, 1999; Revised May 18, 1999
Copyright © 2000 by ASME
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References

Figures

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Schematic drawing of the suspension and slider
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Displacement at the L/UL tab and slider attitudes during the loading process
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Force histories during the loading process (Fs is almost coincident with Fa)
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Minimum clearance and pitch histories of the slider during the loading process calculated by the different suspension models (an initial disturbance is included in the pitch direction). (a) 4-DOF model. (b) 3-DOF model.
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Displacement at the L/UL point (tab) and slider attitudes during the loading process with a 1.0 degree PSA and initial disturbances (100 rad/s) in the pitch and roll directions
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Force histories during the unloading process
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Displacement at the L/UL tab and slider attitudes during the unloading process
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Effects of the disk rpm, unloading velocity and PSA on the lift-off forces

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