DESIGN OF ACTIVE SUSPENSION CONTROL USING SINGULAR PERTURBATION THEORY

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BEHESHTI M.T.H.; NEMATOLLAHZADE H S.M.

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Journal Paper

Paper Information

Journal: IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING Year:2003 | Volume:27 | Issue:B4 Page(s): 691-700

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Title

DESIGN OF ACTIVE SUSPENSION CONTROL USING SINGULAR PERTURBATION THEORY

Author(s)

BEHESHTI M.T.H. | NEMATOLLAHZADE H S.M.

Keywords

ACTIVE SUSPENSION SYSTEM

OPTIMAL CONTROL

SINGULAR PERTURBATION THEORY

LQG

KALMAN FILTER

Abstract

The presence of fast and slow modes in vehicle suspension systems based on a
half car model, is utilized in the design of active suspension control using singular
perturbation theory. This strategy is based on the slow-fast control design. The suspension
system performance is optimised with respect to ride comfort, road holding and suspension
rattle space as expressed by the mean-square-values of body acceleration (including effects of
heave and pitch), tire deflections and front and rear suspension travels. The method of design
in this study is based on LQG feedback control combined with SINGULAR PERTURBATION THEORY,
and at the end, a composite LQG controller has been proposed. Numerical simulations in the
time domain evaluate the performance of the ACTIVE SUSPENSION SYSTEM. In spite of the
simplified structure of the composite model, simulation results indicate that its performance is
comparable to that of the full-state feedback design.

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APA: Copy

BEHESHTI, M.T.H., & NEMATOLLAHZADE H, S.M.. (2003). DESIGN OF ACTIVE SUSPENSION CONTROL USING SINGULAR PERTURBATION THEORY. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING, 27(B4), 691-700. SID. https://sid.ir/paper/531431/en

Vancouver: Copy

BEHESHTI M.T.H., NEMATOLLAHZADE H S.M.. DESIGN OF ACTIVE SUSPENSION CONTROL USING SINGULAR PERTURBATION THEORY. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING[Internet]. 2003;27(B4):691-700. Available from: https://sid.ir/paper/531431/en

IEEE: Copy

M.T.H. BEHESHTI, and S.M. NEMATOLLAHZADE H, “DESIGN OF ACTIVE SUSPENSION CONTROL USING SINGULAR PERTURBATION THEORY,” IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING, vol. 27, no. B4, pp. 691–700, 2003, [Online]. Available: https://sid.ir/paper/531431/en

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