Dynamical switching of an electromagnetically driven compliant bistable mechanism

Dynamical switching of an electromagnetically driven compliant bistable mechanism

Dynamical switching behaviors of a compliant bistable mechanism driven by electromagnetic force are investigated. The bistability of the mechanism originates from combined tension and bending of the beam structures. Finite element analyses are used to characterize the bistability of the mechanism un...

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Bibliographic Details
Published in:Sensors and actuators. A. Physical. Vol. 149; no. 1; pp. 143 - 151
Main Authors: Wang, Dung-An, Pham, Huy-Tuan, Hsieh, Yi-Han
Format: Journal Article
Language:English
Published: Elsevier B.V 15-01-2009
Subjects:
Bistable
Electromagnetic
Switching
Electromagnetic
Switching
Bistable
Online Access:Get full text
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Summary:Dynamical switching behaviors of a compliant bistable mechanism driven by electromagnetic force are investigated. The bistability of the mechanism originates from combined tension and bending of the beam structures. Finite element analyses are used to characterize the bistability of the mechanism under static loading. An analytical model is developed to analyze the dynamic behaviors of the mechanism. The main advantage of this dynamic actuation method is the absence of on-chip driving mechanisms. The dynamical switching characteristics of the bistable mechanism are examined. Microscale prototypes are fabricated and tested. Using the driving technique, we demonstrate dynamical switching in the fabricated device and verify that the performance predicted by theory is attained.
Bibliography:ObjectType-Article-2
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content type line 23
ISSN:0924-4247
1873-3069
DOI:10.1016/j.sna.2008.11.004