The objective of this paper is to present a new control technique for controlling of an active suspension system with hydraulic dynamics for a non-linear quarter-car model. An optimal law is developed for active suspension by the states estimation with Extended Kalman Filter (EKF) and then the states prediction of a non-linear quarter-car model. The states of quarter-car model are first estimated by EKF and then predicted by Taylor series expansion and finally a control law is introduced by minimising the local differences between the predicted and desired states. The effectiveness of the designed controller is compared with a proportional integral sliding mode controller. The simulations show that under the proposed controller, the car has good passenger comfort and safe manoeuvrability.
Optimal active suspension control based on a quarter-car model: an analytical solution
Optimale Regelung einer aktiven Federung auf Basis eines Viertelfahrzeugmodells: Eine analytische Lösung
International Journal of Vehicle Safety (Online) ; 5 , 1 ; 1-20
2010
20 Seiten, 9 Bilder, 1 Tabelle, 30 Quellen
Aufsatz (Zeitschrift)
Englisch
Optimal active suspension control based on a quarter-car model: an analytical solution
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