%SUMMARY cm: relation for 2-port CM component
%DESCRIPTION Parameter 1 capacitance at separation x_0
%DESCRIPTION Parameter 2 x_0
%DESCRIPTION parameter 3 moving-plate mass
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% %%%%% Model Transformation Tools %%%%%
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% %% Version control history
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% %% $Id$
% %% $Log$
% %% Revision 1.1 1996/11/02 10:21:19 peterg
% %% Initial revision
% %%
% %% Revision 1.1 1996/09/12 11:18:26 peter
% %% Initial revision
% %%
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OPERATOR cm;
%Linear electrical bit
FOR ALL c_0,x_0,elec_state,mech_state LET
cm(c_0,x_0,effort,1,
elec_state,state,1,
mech_state,state,2
)
= elec_state/(c_0*x_0/mech_state);
%Nonlinear mechanical bit
FOR ALL c_0,x_0,elec_state,mech_state LET
cm(c_0,x_0,effort,2,
elec_state,state,1,
mech_state,state,2
)
= -(c_0*x_0)*((elec_state/mech_state)^2)/2;
END;;