In this paper, nonlinear stabilizers are introduced for voltage-controlled microelectromechanical system (MEMS) relays. The control constructions follow a Lyapunov approach and are based on a nonlinear dynamic model applicable to the two types of MEMS relays—electrostatic and electromagnetic. Two control schemes are presented with the objectives of avoiding pull-in during the microrelay closing and improving the transient response during the microrelay opening. First, an adaptive state feedback stabilizer is proposed to compensate for parametric uncertainty in all mechanical parameters and selected electrical parameters while ensuring asymptotic regulation of the electrode opening and closing. Next, a model-based observer/stabilizer is proposed to account for the lack of velocity measurements. Simulations demonstrate the performance of the two control schemes in comparison to the typical open-loop operation of the MEMS relay.
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January 2009
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Lyapunov-Based Stabilization of MEMS Relays Available to Purchase
Y. Bastani,
Y. Bastani
Department of Mechanical Engineering,
e-mail: [email protected]
Louisiana State University
, Baton Rouge, LA 70803-6413
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M. S. de Queiroz
M. S. de Queiroz
Department of Mechanical Engineering,
e-mail: [email protected]
Louisiana State University
, Baton Rouge, LA 70803-6413
Search for other works by this author on:
Y. Bastani
Department of Mechanical Engineering,
Louisiana State University
, Baton Rouge, LA 70803-6413e-mail: [email protected]
M. S. de Queiroz
Department of Mechanical Engineering,
Louisiana State University
, Baton Rouge, LA 70803-6413e-mail: [email protected]
J. Dyn. Sys., Meas., Control. Jan 2009, 131(1): 014503 (9 pages)
Published Online: December 5, 2008
Article history
Received:
January 9, 2007
Revised:
August 20, 2008
Published:
December 5, 2008
Citation
Bastani, Y., and de Queiroz, M. S. (December 5, 2008). "Lyapunov-Based Stabilization of MEMS Relays." ASME. J. Dyn. Sys., Meas., Control. January 2009; 131(1): 014503. https://doi.org/10.1115/1.3023134
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