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Ride Comfort Enhancement Using Active Stabilizer
Technical Paper
2018-01-0563
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Ongoing research on active stabilizers involves not only control of the roll angle of the vehicle based on steering input but also improving ride comfort by reducing roll vibration caused by the antiphase road surface input. In that context, roll skyhook control, which applies skyhook theory to provide feedback on the vehicle roll and drive the actuators, has already been presented. Although vibration in all frequency bands can be reduced if there is no control delay, time lags or phase delays in control elements such as the communication, computation, low-pass filter, or actuators can amplify vibration. Consequently, a sufficient effect of controlling cannot be obtained. This paper will address wheelbase filtering, which produces a frequency that minimizes roll oscillation, and is used to suppress the influence of the undesirable vibration. Control signal filters considering roll-lateral coupled motions were designed, and an experiment with an actual vehicle was conducted to confirm the performance benefits.
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Authors
Citation
Fujii, D., Yabumoto, H., and Koumura, S., "Ride Comfort Enhancement Using Active Stabilizer," SAE Technical Paper 2018-01-0563, 2018, https://doi.org/10.4271/2018-01-0563.Data Sets - Support Documents
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References
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- Koumura , S. and Ohkita , T. Ride Comfort Evaluation through Analysis of Roll and Lateral Vehicle Behaviors due to Road Input SAE Int. J. Passeng. Cars - Mech. Sys. 1 1 472 479 2009 10.4271/2008-01-0581
- Toyota Motor Corporation and Aisin Seiki Co., Ltd.
- Gillespie , T. Fundamentals of Vehicle Dynamics Society of Automotive Engineering Inc. 1992 168 169 978-1-56091-199-9
- Koumura , S.