nass-micro-station-measurements/static-spindle/matlab/spindle_time_domain.m

%% Clear Workspace and Close figures
clear; close all; clc;

%% Intialize Laplace variable
s = zpk('s');

% Load the processed data

load('./mat/spindle_data.mat', 'spindle');

% Plot X-Y-Z position with respect to Time - 1rpm

figure;
hold on;
plot(spindle.rpm1.time, spindle.rpm1.x);
plot(spindle.rpm1.time, spindle.rpm1.y);
plot(spindle.rpm1.time, spindle.rpm1.z);
hold off;
xlabel('Time [s]'); ylabel('Amplitude [m]');
legend({'tx - 1rpm', 'ty - 1rpm', 'tz - 1rpm'});

% Plot X-Y-Z position with respect to Time - 60rpm
% The measurements for the spindle turning at 60rpm are shown figure [[fig:spindle_xyz_60rpm]].


figure;
hold on;
plot(spindle.rpm60.time, spindle.rpm60.x);
plot(spindle.rpm60.time, spindle.rpm60.y);
plot(spindle.rpm60.time, spindle.rpm60.z);
hold off;
xlabel('Time [s]'); ylabel('Amplitude [m]');
legend({'tx - 60rpm', 'ty - 60rpm', 'tz - 60rpm'});

% Plot Synchronous and Asynchronous - 1rpm

figure;
hold on;
plot(spindle.rpm1.time, spindle.rpm1.x);
plot(spindle.rpm1.time, spindle.rpm1.xasync);
hold off;
xlabel('Time [s]'); ylabel('Amplitude [m]');
legend({'tx - 1rpm - Sync', 'tx - 1rpm - Async'});

% Plot Synchronous and Asynchronous - 60rpm
% The data is split into its Synchronous and Asynchronous part (figure [[fig:spindle_60rpm_sync_async]]). We then use the Asynchronous part for the analysis in the following sections as we suppose that we can deal with the synchronous part with feedforward control.


figure;
hold on;
plot(spindle.rpm60.time, spindle.rpm60.x);
plot(spindle.rpm60.time, spindle.rpm60.xasync);
hold off;
xlabel('Time [s]'); ylabel('Amplitude [m]');
legend({'tx - 60rpm - Sync', 'tx - 60rpm - Async'});

% Plot X against Y

figure;
hold on;
plot(spindle.rpm1.x, spindle.rpm1.y);
plot(spindle.rpm60.x, spindle.rpm60.y);
hold off;
xlabel('X Amplitude [m]'); ylabel('Y Amplitude [m]');
legend({'1rpm', '60rpm'});

% Plot X against Y - Asynchronous

figure;
hold on;
plot(spindle.rpm1.xasync, spindle.rpm1.yasync);
plot(spindle.rpm60.xasync, spindle.rpm60.yasync);
hold off;
xlabel('X Amplitude [m]'); ylabel('Y Amplitude [m]');
legend({'1rpm', '60rpm'});