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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

Karnopp, D. C., and Cosby, M. J., 1974, “System for Controlling the Transmission of Energy Between Spaced Members,” U.S. Patent 3,807,678.
Crosby, M. J., and Karnopp, D. C., 1973, “The Active Damper,” Shock Vib. Bull., 43 .
Carlson, J. D., Catanzarite, D. M., and Clair, K. A. St., 1995, “Commercial Magneto Rheological Fluid Devices,” International Conference On Electro-Rheological, Magneto rheological Suspensions and Associated Technology, Sheffield.
Carlson, J. D., and Chrzan, M. J., 1994, “Magneto Rheological Fluid Dampers,” Patent No. 5,277,281.
Ahmadian,  M., and Marjoram,  R. H., 1989, “Effects of Passive and Semiactive Suspensions on Body and Wheelhop Control,” J. Commercial Veh.,98, pp. 596–604.
Ahmadian, M., and Marjoram, R. H., 1989, “On the Development of a Simulation Model for Tractor Semitrailer Systems With Semiactive Suspensions,” Proc. of the Special Joint Symposium on Advanced Technologies, 1989 ASME Winter Annual Meeting, San Francisco, DSC13, ASME, New York.
Chalasani, R. M., 1986, “Ride Performance Potential of Active Suspension Systems—Part II: Comprehensive Analysis Based on a Full-Car Model,” Proceedings of the 1986 ASME Winter Annual Meeting, Los Angeles, ASME, New York.
Chalasani, R. M., 1986, “Ride Performance Potential of Active Suspension Systems—Part I: Simplified Analysis Based on a Quarter-Car Model,” Proceedings of the 1986 ASME Winter Annual Meeting, Los Angeles, ASME, New York.
Ahmadian,  M., 1999, “On the Isolation Properties of Semiactive Dampers,” J. Vib. Control, 5(2), pp. 217–232.
Krasnicki, E. J., 1980, “Comparison of Analytical and Experimental Results for a Semiactive Vibration Isolator,” Shock Vib. Bull., 50 .
Miller, L. R., 1988, “An approach to Semiactive Control of Multiple-Degree-of-Freedom Systems,” Ph.D. thesis, North Carolina State University, Raleigh, NC.
Ivers, D. E., and Miller, L. R., 1991, “Semiactive Suspension Technology: An Evolutionary View,” ASME Advanced Automotive Technologies, DE-40, Book No. H00719-1991, ASME, New York, pp. 327–346.
Song, X., 1999, “Design of Adaptive Vibration Control Systems With Application to Magneto-Rheological Dampers,” Ph.D. Dissertation, Virginia Polytechnic Institute and State University, Blacksburg, VA.
Reichert, B. A., 1997, “Application of Magneto Rheological Dampers for Vehicle Seat Suspensions,” M.S. thesis, Virginia Polytechnic Institute and State University, Blacksburg, VA.
International Standards Organization, 1994, “Earth-Moving Machinery—Laboratory Evaluation of Operator Seat Vibration,” Standard 7096, ISO.

Figures

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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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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 1.45 Hz pure-tone base excitation
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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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Implementation of skyhook control on a physical system representing a single-dof base-excited system with a semiactive suspension
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Elimination of damping-force discontinuities due to using no-jerk skyhook formulation
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Surface plot of no-jerk skyhook control damper force
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Elimination of damping force discontinuties due to using skyhook function
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Surface plot of damper force for implementation of skyhook control using skyhook function
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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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Damping force discontinuities resulting from conventional implementation of skyhook control using a rate filter
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Surface plot of damper force for conventional implementation of skyhook control using a rate filter
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Skyhook damping force illustration

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