Please use this identifier to cite or link to this item: http://repository.vnu.edu.vn/handle/VNU_123/31533
Title: Nonlinear tracking control of vibration amplitude for a parametrically excited microcantilever beam
Authors: Nguyen, Quoc Chi
Krylov, Slava
Keywords: CANTILEVER BEAM;MEMS GYROSCOPE;AMPLIFICATION;DYNAMICS
Issue Date: 2015
Publisher: ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 24-28 OVAL RD, LONDON NW1 7DX, ENGLAND
Citation: ISIKNOWLEDGE
Abstract: In this paper, a feedback control algorithm to regulate oscillation amplitude of a microelectromechanical (MEMS) cantilever beam operated at parametric resonances is developed. The control objective is to drive the oscillation amplitude of the micro-beam, which is amplified using parametric excitation, to the desired values. The principle of the control algorithm is to establish an output tracking control based on the nonlinear dynamic model of the micro-beam, where the supply voltage is considered as a control input. The tracking control algorithm is designed to solve the singularities resulting from the zero-deflection state of the micro-beam. The Galerkin method is applied in order to reduce the partial differential equation describing the dynamics of the beam into a set of ordinary differential equations (ODEs). Uniformly ultimate boundedness stability of the control system is proved using Lyapunov method. The effectiveness of the proposed control algorithm is illustrated via numerical simulations. (C) 2014 Elsevier Ltd. All rights reserved
Description: JOURNAL OF SOUND AND VIBRATION Volume: 338 Pages: 91-104 Published: MAR 3 2015 ; TNS05738
URI: http://www.sciencedirect.com/science/article/pii/S0022460X1400844X
http://repository.vnu.edu.vn/handle/VNU_123/31533
ISSN: 0022-460X
Appears in Collections:Bài báo của ĐHQGHN trong Web of Science

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