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TECHNICAL BRIEFS

No-Jerk Skyhook Control Methods for Semiactive Suspensions

[+] Author and Article Information
Mehdi Ahmadian

Center for Vehicle Systems and Safety, Department of Mechanical Engineering, Virginia Tech, Blacksburg, VA 24061

Xubin Song

Visteon Corporation, 6100 Mercury Dr., Dearborn, MI 48126

Steve C. Southward

Lord Corporation, 100 Lord Drive, Cary, NC

J. Vib. Acoust 126(4), 580-584 (Dec 21, 2004) (5 pages) doi:10.1115/1.1805001 History: Received November 01, 2003; Revised February 01, 2004; Online December 21, 2004
Copyright © 2004 by ASME
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References

Figures

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Skyhook damping force illustration
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Surface plot of damper force for conventional implementation of skyhook control using a rate filter
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Damping force discontinuities resulting from conventional implementation of skyhook control using a rate filter
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A single-dof base-excited system: (a) schematic model, (b) physical system in the form of a heavy-truck seat suspension
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Surface plot of damper force for implementation of skyhook control using skyhook function
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Elimination of damping force discontinuties due to using skyhook function
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Surface plot of no-jerk skyhook control damper force
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Elimination of damping-force discontinuities due to using no-jerk skyhook formulation
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Implementation of skyhook control on a physical system representing a single-dof base-excited system with a semiactive suspension
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Sprung mass accelerations caused by different skyhook control formulations in response to a 1.45 Hz pure-tone base excitation
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Comparison of electrical currents supplied to a magnetorheological damper in a semiactive suspension in response to a 1.45 Hz pure-tone base excitation
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Sprung mass accelerations caused by different skyhook control formulations in response to a broadband (ISO2) base excitation
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Comparison of electrical currents supplied to a magnetorheological damper in a semiactive suspension in response to a broadband (ISO2) base excitation

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