Update all project: add folders with scripts

This commit is contained in:
2019-03-20 09:23:10 +01:00
parent f49e38f312
commit 482f8acd3f
43 changed files with 1009 additions and 497 deletions

20
identification/id_G.m Normal file
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%% Script Description
% Script used to identify various transfer functions
% of the Stewart platform
%%
clear; close all; clc;
%%
K_iff = tf(zeros(6));
save('./mat/controllers.mat', 'K_iff', '-append');
%% Initialize System
initializeSample(struct('mass', 50));
initializeHexapod(struct('actuator', 'piezo'));
%% Identification
G = identifyPlant();
%% Save
save('./mat/G.mat', 'G');

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%% Script Description
%%
clear; close all; clc;
%%
K_iff = tf(zeros(6));
save('./mat/controllers.mat', 'K_iff', '-append');
%% System - perfectly aligned
initializeHexapod(struct('actuator', 'piezo', 'jacobian', 1, 'density', 0.1));
initializeSample(struct('mass', 50, 'height', 1, 'measheight', 1, 'offset', [0, 0, -25.5]));
% Identification
G_center = identifyPlant();
%% System - Jacobian is too high
initializeHexapod(struct('actuator', 'piezo', 'jacobian', 160));
initializeSample(struct('mass', 50, 'height', 300, 'measheight', 150));
% Identification
G_Jac_offset = identifyPlant();
%% System - CoM is too low
initializeHexapod(struct('actuator', 'piezo', 'jacobian', 150));
initializeSample(struct('mass', 50, 'height', 280, 'measheight', 150));
% Identification
G_CoM_offset = identifyPlant();
%% System - Meas point is too high
initializeHexapod(struct('actuator', 'piezo', 'jacobian', 150));
initializeSample(struct('mass', 50, 'height', 300, 'measheight', 160));
% Identification
G_Meas_offset = identifyPlant();
%% Save
save('./mat/G_jacobian.mat', 'G_center', 'G_Jac_offset', 'G_CoM_offset', 'G_Meas_offset');

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%% Script Description
%
%%
clear; close all; clc;
%%
load('./mat/G_jacobian.mat');
%%
freqs = logspace(0, 3, 2000);
%%
bode_opts = bodeoptions;
bode_opts.FreqUnits = 'Hz';
bode_opts.MagUnits = 'abs';
bode_opts.MagScale = 'log';
bode_opts.PhaseVisible = 'off';
%% Compare when the Jac is above Meas. point and CoM
% =>
figure;
bode(G_center.G_cart, G_Jac_offset.G_cart, 2*pi*freqs, bode_opts);
%% Compare when the CoM is bellow the Meas. point and Jac
% => This make the tilt resonance frequency a little bit higher.
figure;
bode(G_center.G_cart, G_CoM_offset.G_cart, 2*pi*freqs, bode_opts);
%% Compare when the measurement point is higher than CoM and Jac
% =>
figure;
bode(G_center.G_cart, G_Meas_offset.G_cart, 2*pi*freqs, bode_opts);
%% Compare direct forces and forces applied by actuators on the same point
% => This should be the same is the support is rigid.
% => Looks like it's close but not equal
figure;
bode(G_center.G_cart, G_center.G_comp, 2*pi*freqs, bode_opts);
%% Compare relative sensor and absolute sensor
% => This should be the same as the support is rigid
figure;
bode(G_center.G_iner, G_center.G_comp, 2*pi*freqs, bode_opts);

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identification/id_main.m Normal file
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%%
clear; close all; clc;
%% Jacobian Study
%% Identification of the system
run id_G.m
%% Plots of the identifications
run id_plot_cart.m
run id_plot_legs.m
run id_plot_iff.m
run id_plot_db.m

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%%
clear; close all; clc;
%% Load the transfer functions
load('./mat/G.mat', 'G_light_vc', 'G_light_pz', 'G_heavy_vc', 'G_heavy_pz');
%% Load Configuration file
load('./mat/config.mat', 'save_fig', 'freqs');
%% Plant in the X direction
figure;
% Amplitude
ax1 = subaxis(2,1,1);
hold on;
plot(freqs, abs(squeeze(freqresp(G_light_vc.G_cart('Dx', 'Fx'), freqs, 'Hz'))));
plot(freqs, abs(squeeze(freqresp(G_light_pz.G_cart('Dx', 'Fx'), freqs, 'Hz'))));
set(gca,'ColorOrderIndex',1);
plot(freqs, abs(squeeze(freqresp(G_heavy_vc.G_cart('Dx', 'Fx'), freqs, 'Hz'))), '--');
plot(freqs, abs(squeeze(freqresp(G_heavy_pz.G_cart('Dx', 'Fx'), freqs, 'Hz'))), '--');
set(gca, 'XScale', 'log'); set(gca, 'YScale', 'log');
set(gca, 'XTickLabel',[]);
ylabel('Amplitude [m/N]');
hold off;
% Phase
ax2 = subaxis(2,1,2);
hold on;
plot(freqs, 180/pi*angle(squeeze(freqresp(G_light_vc.G_cart('Dx', 'Fx'), freqs, 'Hz'))), 'DisplayName', 'VC - Light');
plot(freqs, 180/pi*angle(squeeze(freqresp(G_light_pz.G_cart('Dx', 'Fx'), freqs, 'Hz'))), 'DisplayName', 'PZ - Light');
set(gca,'ColorOrderIndex',1)
plot(freqs, 180/pi*angle(squeeze(freqresp(G_heavy_vc.G_cart('Dx', 'Fx'), freqs, 'Hz'))), '--', 'DisplayName', 'VC - Heavy');
plot(freqs, 180/pi*angle(squeeze(freqresp(G_heavy_pz.G_cart('Dx', 'Fx'), freqs, 'Hz'))), '--', 'DisplayName', 'PZ - Heavy');
set(gca,'xscale','log');
yticks(-180:90:180);
ylim([-180 180]);
xlabel('Frequency [Hz]'); ylabel('Phase [deg]');
legend('Location', 'southwest');
hold off;
linkaxes([ax1,ax2],'x');
if save_fig; exportFig('G_hori', 'normal-normal', struct('path', 'identification')); end
%% Plant in the Z direction
figure;
% Amplitude
ax1 = subaxis(2,1,1);
hold on;
plot(freqs, abs(squeeze(freqresp(G_light_vc.G_cart('Dz', 'Fz'), freqs, 'Hz'))));
plot(freqs, abs(squeeze(freqresp(G_light_pz.G_cart('Dz', 'Fz'), freqs, 'Hz'))));
set(gca,'ColorOrderIndex',1);
plot(freqs, abs(squeeze(freqresp(G_heavy_vc.G_cart('Dz', 'Fz'), freqs, 'Hz'))), '--');
plot(freqs, abs(squeeze(freqresp(G_heavy_pz.G_cart('Dz', 'Fz'), freqs, 'Hz'))), '--');
set(gca, 'XScale', 'log'); set(gca, 'YScale', 'log');
set(gca, 'XTickLabel',[]);
ylabel('Amplitude [m/N]');
hold off;
% Phase
ax2 = subaxis(2,1,2);
hold on;
plot(freqs, 180/pi*angle(squeeze(freqresp(G_light_vc.G_cart('Dz', 'Fz'), freqs, 'Hz'))), 'DisplayName', 'VC - Light');
plot(freqs, 180/pi*angle(squeeze(freqresp(G_light_pz.G_cart('Dz', 'Fz'), freqs, 'Hz'))), 'DisplayName', 'PZ - Light');
set(gca,'ColorOrderIndex',1)
plot(freqs, 180/pi*angle(squeeze(freqresp(G_heavy_vc.G_cart('Dz', 'Fz'), freqs, 'Hz'))), '--', 'DisplayName', 'VC - Heavy');
plot(freqs, 180/pi*angle(squeeze(freqresp(G_heavy_pz.G_cart('Dz', 'Fz'), freqs, 'Hz'))), '--', 'DisplayName', 'PZ - Heavy');
set(gca,'xscale','log');
yticks(-180:90:180);
ylim([-180 180]);
xlabel('Frequency [Hz]'); ylabel('Phase [deg]');
legend('Location', 'southwest');
hold off;
linkaxes([ax1,ax2],'x');
if save_fig; exportFig('G_vert', 'normal-normal', struct('path', 'identification')); end
%% Coupling
figure;
for i_input = 1:3
for i_output = 1:3
subaxis(3,3,3*(i_input-1)+i_output);
hold on;
plot(freqs, abs(squeeze(freqresp(G_light_vc.G_cart(i_output, i_input), freqs, 'Hz'))));
plot(freqs, abs(squeeze(freqresp(G_light_pz.G_cart(i_output, i_input), freqs, 'Hz'))));
set(gca, 'XScale', 'log'); set(gca, 'YScale', 'log');
xlim([freqs(1) freqs(end)]); ylim([1e-22, 1e-2]);
yticks([1e-20, 1e-15, 1e-10, 1e-5]); xticks([0.1 1 10 100 1000]);
if i_output > 1; set(gca,'yticklabel',[]); end
if i_input < 3; set(gca,'xticklabel',[]); end
hold off;
end
end
if save_fig; exportFig('G_coupling', 'wide-tall', struct('path', 'identification')); end

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%%
clear; close all; clc;
%% Load the transfer functions
load('./mat/G.mat', 'G_light_vc', 'G_light_pz', 'G_heavy_vc', 'G_heavy_pz');
%% Load Configuration file
load('./mat/config.mat', 'save_fig', 'freqs');
%%
figure;
hold on;
plot(freqs, abs(squeeze(freqresp(G_light_vc.G_db('Dx', 'Dbx'), freqs, 'Hz'))), 'DisplayName', 'VC - Light');
plot(freqs, abs(squeeze(freqresp(G_light_pz.G_db('Dx', 'Dbx'), freqs, 'Hz'))), 'DisplayName', 'PZ - Light');
set(gca,'ColorOrderIndex',1);
plot(freqs, abs(squeeze(freqresp(G_heavy_vc.G_db('Dx', 'Dbx'), freqs, 'Hz'))), '--', 'DisplayName', 'VC - Heavy');
plot(freqs, abs(squeeze(freqresp(G_heavy_pz.G_db('Dx', 'Dbx'), freqs, 'Hz'))), '--', 'DisplayName', 'PZ - Heavy');
set(gca, 'XScale', 'log'); set(gca, 'YScale', 'log');
ylabel('Amplitude [m/m]'); xlabel('Frequency [Hz]');
hold off;
legend('Location', 'southeast');
if save_fig; exportFig('G_db_hori', 'normal-normal', struct('path', 'identification')); end
%%
figure;
hold on;
plot(freqs, abs(squeeze(freqresp(G_light_vc.G_db('Dz', 'Dbz'), freqs, 'Hz'))), 'DisplayName', 'VC - Light');
plot(freqs, abs(squeeze(freqresp(G_light_pz.G_db('Dz', 'Dbz'), freqs, 'Hz'))), 'DisplayName', 'PZ - Light');
set(gca,'ColorOrderIndex',1);
plot(freqs, abs(squeeze(freqresp(G_heavy_vc.G_db('Dz', 'Dbz'), freqs, 'Hz'))), '--', 'DisplayName', 'VC - Heavy');
plot(freqs, abs(squeeze(freqresp(G_heavy_pz.G_db('Dz', 'Dbz'), freqs, 'Hz'))), '--', 'DisplayName', 'PZ - Heavy');
set(gca, 'XScale', 'log'); set(gca, 'YScale', 'log');
ylabel('Amplitude [m/m]'); xlabel('Frequency [Hz]');
hold off;
legend('Location', 'southeast');
if save_fig; exportFig('G_db_vert', 'normal-normal', struct('path', 'identification')); end
%%

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%%
clear; close all; clc;
%% Load the transfer functions
load('./mat/G.mat', 'G_light_vc', 'G_light_pz', 'G_heavy_vc', 'G_heavy_pz');
%% Load Configuration file
load('./mat/config.mat', 'save_fig', 'freqs');
%%
figure;
% Amplitude
ax1 = subaxis(2,1,1);
hold on;
plot(freqs, abs(squeeze(freqresp(G_light_vc.G_iff('Fm1', 'F1'), freqs, 'Hz'))));
plot(freqs, abs(squeeze(freqresp(G_light_pz.G_iff('Fm1', 'F1'), freqs, 'Hz'))));
set(gca,'ColorOrderIndex',1);
plot(freqs, abs(squeeze(freqresp(G_heavy_vc.G_iff('Fm1', 'F1'), freqs, 'Hz'))), '--');
plot(freqs, abs(squeeze(freqresp(G_heavy_pz.G_iff('Fm1', 'F1'), freqs, 'Hz'))), '--');
set(gca, 'XScale', 'log'); set(gca, 'YScale', 'log');
set(gca, 'XTickLabel',[]);
ylabel('Amplitude [m/N]');
hold off;
% Phase
ax2 = subaxis(2,1,2);
hold on;
plot(freqs, 180/pi*angle(squeeze(freqresp(G_light_vc.G_iff('Fm1', 'F1'), freqs, 'Hz'))), 'DisplayName', 'VC - Light');
plot(freqs, 180/pi*angle(squeeze(freqresp(G_light_pz.G_iff('Fm1', 'F1'), freqs, 'Hz'))), 'DisplayName', 'PZ - Light');
set(gca,'ColorOrderIndex',1)
plot(freqs, 180/pi*angle(squeeze(freqresp(G_heavy_vc.G_iff('Fm1', 'F1'), freqs, 'Hz'))), '--', 'DisplayName', 'VC - Heavy');
plot(freqs, 180/pi*angle(squeeze(freqresp(G_heavy_pz.G_iff('Fm1', 'F1'), freqs, 'Hz'))), '--', 'DisplayName', 'PZ - Heavy');
set(gca,'xscale','log');
yticks(-180:90:180);
ylim([-180 180]);
xlabel('Frequency [Hz]'); ylabel('Phase [deg]');
legend('Location', 'southwest');
hold off;
linkaxes([ax1,ax2],'x');
if save_fig; exportFig('G_iff', 'normal-normal', struct('path', 'identification')); end
%% Coupling
figure;
hold on;
plot(freqs, abs(squeeze(freqresp(G_light_vc.G_iff('Fm1', 'F1'), freqs, 'Hz'))), 'k-');
plot(freqs, abs(squeeze(freqresp(G_light_vc.G_iff('Fm2', 'F1'), freqs, 'Hz'))), 'k--');
plot(freqs, abs(squeeze(freqresp(G_light_vc.G_iff('Fm3', 'F1'), freqs, 'Hz'))), 'k--');
plot(freqs, abs(squeeze(freqresp(G_light_vc.G_iff('Fm4', 'F1'), freqs, 'Hz'))), 'k--');
plot(freqs, abs(squeeze(freqresp(G_light_vc.G_iff('Fm5', 'F1'), freqs, 'Hz'))), 'k--');
plot(freqs, abs(squeeze(freqresp(G_light_vc.G_iff('Fm6', 'F1'), freqs, 'Hz'))), 'k--');
set(gca, 'XScale', 'log'); set(gca, 'YScale', 'log');
ylabel('Amplitude [m/N]'); xlabel('Frequency [Hz]');
hold off;
if save_fig; exportFig('G_iff_coupling', 'normal-normal', struct('path', 'identification')); end

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%%
clear; close all; clc;
%% Load the transfer functions
load('./mat/G.mat', 'G_light_vc', 'G_light_pz', 'G_heavy_vc', 'G_heavy_pz');
%% Load Configuration file
load('./mat/config.mat', 'save_fig', 'freqs');
%%
figure;
% Amplitude
ax1 = subaxis(2,1,1);
hold on;
plot(freqs, abs(squeeze(freqresp(G_light_vc.G_legs('D1', 'F1'), freqs, 'Hz'))));
plot(freqs, abs(squeeze(freqresp(G_light_pz.G_legs('D1', 'F1'), freqs, 'Hz'))));
set(gca,'ColorOrderIndex',1);
plot(freqs, abs(squeeze(freqresp(G_heavy_vc.G_legs('D1', 'F1'), freqs, 'Hz'))), '--');
plot(freqs, abs(squeeze(freqresp(G_heavy_pz.G_legs('D1', 'F1'), freqs, 'Hz'))), '--');
set(gca, 'XScale', 'log'); set(gca, 'YScale', 'log');
set(gca, 'XTickLabel',[]);
ylabel('Amplitude [m/N]');
hold off;
% Phase
ax2 = subaxis(2,1,2);
hold on;
plot(freqs, 180/pi*angle(squeeze(freqresp(G_light_vc.G_legs('D1', 'F1'), freqs, 'Hz'))), 'DisplayName', 'VC - Light');
plot(freqs, 180/pi*angle(squeeze(freqresp(G_light_pz.G_legs('D1', 'F1'), freqs, 'Hz'))), 'DisplayName', 'PZ - Light');
set(gca,'ColorOrderIndex',1)
plot(freqs, 180/pi*angle(squeeze(freqresp(G_heavy_vc.G_legs('D1', 'F1'), freqs, 'Hz'))), '--', 'DisplayName', 'VC - Heavy');
plot(freqs, 180/pi*angle(squeeze(freqresp(G_heavy_pz.G_legs('D1', 'F1'), freqs, 'Hz'))), '--', 'DisplayName', 'PZ - Heavy');
set(gca,'xscale','log');
yticks(-180:90:180);
ylim([-180 180]);
xlabel('Frequency [Hz]'); ylabel('Phase [deg]');
legend('Location', 'southwest');
hold off;
linkaxes([ax1,ax2],'x');
if save_fig; exportFig('G_legs', 'normal-normal', struct('path', 'identification')); end
%% Coupling
figure;
hold on;
plot(freqs, abs(squeeze(freqresp(G_light_vc.G_legs('D1', 'F1'), freqs, 'Hz'))), 'k-');
plot(freqs, abs(squeeze(freqresp(G_light_vc.G_legs('D2', 'F1'), freqs, 'Hz'))), 'k--');
plot(freqs, abs(squeeze(freqresp(G_light_vc.G_legs('D3', 'F1'), freqs, 'Hz'))), 'k--');
plot(freqs, abs(squeeze(freqresp(G_light_vc.G_legs('D4', 'F1'), freqs, 'Hz'))), 'k--');
plot(freqs, abs(squeeze(freqresp(G_light_vc.G_legs('D5', 'F1'), freqs, 'Hz'))), 'k--');
plot(freqs, abs(squeeze(freqresp(G_light_vc.G_legs('D6', 'F1'), freqs, 'Hz'))), 'k--');
set(gca, 'XScale', 'log'); set(gca, 'YScale', 'log');
ylabel('Amplitude [m/N]'); xlabel('Frequency [Hz]');
hold off;
if save_fig; exportFig('G_legs_coupling', 'normal-normal', struct('path', 'identification')); end