This paper presents a construction of the active suspension of passenger cars using sliding mode controllers. The model of the passenger car is described by a nonlinear system with four degrees of freedom subject to irregular excitation from a road surface. The sliding mode control for the active suspension is obtained as a sum of linear and nonlinear controls where the former is derived as LQ control for a reduced linear system, and the latter is determined from the stability condition of the sliding surface. The simulation result indicates that the proposed active suspension is very effective in the performance of vibration isolation.
Active suspension of passenger cars using sliding mode controllers (based on reduced models)
Pkw-Aktivfederung mit einem Sliding-Mode-Regler (Betrachtung auf der Basis reduzierter Modelle)
International Journal of Vehicle Design ; 19 , 4 ; 402-414
1998
13 Seiten, 6 Bilder, 1 Tabelle, 15 Quellen
Article (Journal)
English
Fahrzeugfederung , Fahrzeugfahrwerk , Schwingungsanregung , mechanische Schwingung , Schwingungsverhalten , Regler , Stabilitätsbedingung , Personenkraftwagen , Rechnersimulation , theoretisches Modell , Decke (Straßenbelag) , Bewegungsgleichung , Fahrzeugrad , Karosserie , Steuerungs- und Regelungssystem , Regelungstheorie , nichtlineare Regelung , Nichtlinearität , lineare Regelung
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