Title :
Active vibration control of an axially moving beam using varying velocity method
Author :
Nguyen, Quoc Chi ; Ngo, Quang Hieu ; Hong, Keum-Shik
Author_Institution :
Sch. of Mech. Eng., Pusan Nat. Univ., Busan, South Korea
Abstract :
In this paper, active vibration control method of a viscoelastic axially moving beam, using varying velocity approach, is investigated. The dynamic response of the moving beam is computed with a set of linear equations in state space, which are obtained by Galerkin finite-element method. Based on the approximated solution, the vibration energy is reformulated as a quadratic function. Lyapunov stability is employed to investigate the vibration energy. The varying velocity algorithm optimizing time of vibration suppression is achieved by using steepest descent method. Simulation results demonstrate the effectiveness of the control approach.
Keywords :
Galerkin method; Lyapunov methods; beams (structures); finite element analysis; stability; vibration control; viscoelasticity; Galerkin finite-element method; Lyapunov stability; active vibration control; axially moving beam; dynamic response; linear equations; state space; steepest descent method; velocity method; vibration suppression; viscoelasticity; Belts; Damping; Elasticity; Equations; Finite element methods; Lyapunov method; Mechanical engineering; Moment methods; Vibration control; Viscosity; Active vibration control; Galerkin finite-element method; steepest descent algorithm; varying axial velocity;
Conference_Titel :
ICCAS-SICE, 2009
Conference_Location :
Fukuoka
Print_ISBN :
978-4-907764-34-0
Electronic_ISBN :
978-4-907764-33-3
