Plotting SimScape simlog Simulation data via Script

Hi,

Using SimScape for my pnuematic actuator model.

Logging data via simlog and then looking to export and plot the simulation results via a matlab script.

Using an existing template i found from another ssc model, however the channel names are different, encountering errors with correct naming of the data to export.

Model name is "Pneumatic_SingleActing" and simlog data is "simlog_Pneumatic_SingleActing"

Looking to export data from the Translational Mechanical Convertor (G)

• Translational Mechanical Convertor (G).A.T
• Translational Mechanical Convertor (G).A.p
• Translational Mechanical Convertor (G).volume

Any help be great in editing the code to export the variables such as translator, temp, pressure and volume.

Thanks

% Generate simulation results if they don't exist
if ~exist('simlog_Pneumatic_SingleActing', 'var')
    sim('Pneumatic_SingleActing')
end

% Reuse figure if it exists, else create new figure
if ~exist('h2_Pneumatic_SingleActing', 'var') || ...
        ~isgraphics(h2_Pneumatic_SingleActing, 'figure')
    h2_Pneumatic_SingleActing = figure('Name', 'Pneumatic_SingleActing');
end
figure(h2_Pneumatic_SingleActing)
clf(h2_Pneumatic_SingleActing)

plotPressureTemperatureVolume(simlog_Pneumatic_SingleActing)



% Create plot from simulation results
function plotPressureTemperatureVolume(simlog)

% Get simulation results
t = simlog.Translational_Mechanical_Convertor.A.p.series.time;
p_A = simlog.Translational_Mechanical_Convertor.A.p.series.values('MPa');
T_A = simlog.Translational_Mechanical_Convertor.A.T.series.values('K');
V_A = simlog.Translational_Mechanical_Convertor.volume.series.values('m^3');


% Plot results
handles(1) = subplot(3, 1, 1);
plot(t, p_A, 'LineWidth', 1)
hold off
grid on
ylabel('Pressure (MPa)')
title('Actuator Pressure and Temperature')

handles(2) = subplot(3, 1, 2);
plot(t, T_A, 'LineWidth', 1)
hold off
grid on
ylabel('Temperature (K)')
xlabel('Time (s)')
legend('Chamber A', 'Location', 'Best')

handles(2) = subplot(3, 1, 3);
plot(t, V_A, 'LineWidth', 1)
hold off
grid on
ylabel('Volume (m^3)')
xlabel('Time (s)')
legend('Chamber A', 'Volume', 'Best')

linkaxes(handles, 'x')

end

[Vasco Lenzi]

The first thing I see is that you wrote "Convertor" in the script but is Converter in the model.

Try to write a dot (.) after simlog in the command window, then press TAB. You will get a list of all the component within simlog. You can then find the right variable adress and use it in your script.

>>simlog.

and then TAB, pick he right field from the column, then again TAB and navigate until your desired values.

[PB75]

Hi Vasco,

Thanks for your reply, the below code works and opens up the data tree of simlog data.

simlog_Pneumatic_SingleActing.print