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SIMULATION OF PULL-IN EFFECT IN MEMS CAPACITOR USING GUI IN MATLAB

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SIMULATION OF PULL-IN EFFECT IN MEMS CAPACITOR USING GUI IN MATLAB

by piyush kant

 

14 Apr 2013

near the 2/3rd of total gap between the plates the response of the mems capacitor gets unstable.

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When voltage is applied over the capacitance, electrostatic force will work to reduce the plate separation d −x. At small voltages, the electrostatic voltage is countered by the spring force Fk = kx but as voltage is increased the plates will eventually snap together. Estimating this pull-in voltage UP and the plate travel distance x before pull-in effect is required for the successful design of electrostatic actuators, switches, varactors, and sensors.
Required Products MATLAB
MATLAB release MATLAB 7.8 (R2009a)
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