... 6.5) 3 + 0. 133 2(t − 6.5)2f 3 (t)=0.0592(t − 8.5) 3 − 0. 133 2(t − 8.5)2f 3 (t)= −0.0592(t − 11.5) 3 − 0. 133 2(t − 11.5)2f(t)=0.002 sin(2πt)+0.002 sin(7.5πt)Figs. ... observers and generalized PID regulators, Nonlinear Control in the Year 2000, Lecture Notes in Control and Information Sciences, Vol. 258, pp. 36 7 -38 4, Springer, London.Fliess, M., Lévine, J., Martin, ... (2010b).Application of on-line algebraic identification in active vibration control, ComputaciónySistemas, Vol. 13, No. 3, pp. 31 3 -33 0.Cao, J., Liu, H., Li, P. & Brown, D. (2008). State of the Art in Vehicle...