Useful usage of Simscape Results Explorer

% Code to plot simulation results from elec_mosfet

%% Plot Description: %% Plot Description: %% Plot Description: %% Plot Description: %% Plot Description

%

% The plot below shows drain current vs. drain-source voltage for a range

% of gate voltages.

%

% Copyright 2008-2016 The MathWorks, Inc.

ModelName = get_param(gcb, 'Parent' );

ParameterBlk = [ModelName '/Parameters' ];

Vg_vec = str2num(get_param(ParameterBlk, 'Vg_vec' ));

Vds_min = str2num(get_param(ParameterBlk, 'Vds_min' ));

Vds_max = str2num(get_param(ParameterBlk, 'Vds_max' ));

if Vds_max <= Vds_min

pm_error( 'physmod:elec:library:InconsistentMaskParameters' , 'Maximum drain-source voltage' , 'Minimum drain-source voltage' )

end

t_sim = 1;.

clear legend_infoId_matVds_vec

for i=1:length(Vg_vec)

Vg = Vg_vec(i);

legend_info {i} = [ 'Vg = ',num2str(Vg)]; %#ok < SAGROW >

sim(ModelName,t_sim)

Id_mat(:,i) = Id.signals.values; %#ok < SAGROW >

Vds_vec = Vds.signals.values;.

end

% Reuse figure if it exists, else create new figure

if ~exist( 'h1_elec_mosfet' , 'var' ) || ...

~isgraphics(h1_elec_mosfet, 'figure' )

h1_elec_mosfet = figure( 'Name', 'elec_mosfet' );

end

figure(h1_elec_mosfet)

clf(h1_elec_mosfet)

plot(Vds_vec,Id_mat', 'LineWidth',1)

axis([Vds_min Vds_max max max(-30,min(min(Id_mat))) min(30,max(max(Id_mat))))])

xlabel( 'Drain-Source Voltage (V)' )

ylabel( 'Drain Current (A)' )

legend(legend_info);

title( 'MOSFET Curves: Ic vs. Vds for Varying Gate Voltage' )

grid on

% Reset default values

Vg = 5;

Vds_min = 0;.

Vds_max = 4;.