A Frequency-Adaptive Multi-Objective Suspension Control Strategy

[+] Author and Article Information
Jianbo Lu

Research and Advanced Engineering, Ford Motor Company, Bldg 5, MD 5036, 20300 Rotunda Drive, Dearborn, MI 48124 e-mail: e-mail: jlu10@ford.com

J. Dyn. Sys., Meas., Control 126(3), 700-707 (Dec 03, 2004) (8 pages) doi:10.1115/1.1789979 History: Received October 29, 2002; Revised September 02, 2003; Online December 03, 2004
Copyright © 2004 by ASME
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The frequency-dependent scalings for FAMOS
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Frequency responses. Dotted line: passive; solid line: controlled. Top-left 2 for BRP control; top-right 2 for WFP control; bottom-left 2 for balanced control; bottom-right 2 for FAMOS control.
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Top: the magnitude-varied chirp signal with frequency from 0 to 12.5 Hz. Bottom: the corresponding time responses of the suspension control force using FAMOS.
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Time responses with respect to magnitude-varied chirp road profile. Dotted line: passive. Solid line: FAMOS.
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A quarter car vehicle model
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Comparison between the actual (thin line) and estimated (thick line) road profile velocity w⁁̇




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