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Nonlinear control of a parametrically excited system subject to actuator saturation

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2 Author(s)
L. Chen ; Sch. of Mech. Eng., Adelaide Univ., SA, Australia ; C. H. Hansen

In this paper, a control method that combines linear and nonlinear velocity feedback control is proposed to suppress the principal parametric resonance in a flexible cantilever beam structure. Linear-velocity feedback is employed for bifurcation control and cubic-velocity feedback is employed to suppress the high-amplitude vibration. Numerical simulation and experimental results show that combined bifurcation control and nonlinear feedback control can avoid actuator saturation and performs better than linear-velocity and cubic-velocity feedback control alone.

Published in:

Decision and Control, 2003. Proceedings. 42nd IEEE Conference on  (Volume:4 )

Date of Conference:

9-12 Dec. 2003