2012
DOI: 10.1109/tuffc.2012.2383
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An improved lumped element nonlinear circuit model for a circular CMUT cell

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Cited by 82 publications
(126 citation statements)
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“…Equation (10) is the solution to the plate equation when a uniform pressure is applied. The electrostatic pressure is not uniform but as observed by [8] it is a very good approximation. The energy contribution from the pressure difference is calculated as the work performed (i.e.…”
Section: The Anisotropic Plate Equationmentioning
confidence: 84%
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“…Equation (10) is the solution to the plate equation when a uniform pressure is applied. The electrostatic pressure is not uniform but as observed by [8] it is a very good approximation. The energy contribution from the pressure difference is calculated as the work performed (i.e.…”
Section: The Anisotropic Plate Equationmentioning
confidence: 84%
“…In the following, an analytical model for CMUTs based on energy and force considerations will be presented. By investigating the energies of the system it is possible to estimate pull-in voltage and distance [8]. This approach also applies when using the anisotropic plate equation and an example will be given in the end of the section.…”
Section: The Anisotropic Plate Equationmentioning
confidence: 99%
“…It was the model that based on Mason's Equivalent Circuit Theory, which was the linearization of the plate capacitance model through the equivalent parameters of the lumped parameter system (Ladabaum et al 1998). Then many scholars improved it, and the nonlinear equivalent circuit model and the large signal equivalent circuit model appeared (Koymen et al 2012). The finite element analysis model can create 2D or 3D finite element models for vibrating films of any complex shape to obtain optimized design parameters by analysis and calculation, which is usually through ANSYS, COMSOL and other professional finite element analysis software.…”
Section: Introductionmentioning
confidence: 99%
“…The model can be simulated using any circuit simulator capable of simulating SPICE and Verilog-A. There are several equivalent circuit models which have been developed [9][10][11][12][13][14][15][16][17][18][19], however this paper presents a simplified model which is accurate as well as fast and can used for system level simulations [20][21].…”
Section: Introductionmentioning
confidence: 99%