73 lines
2.5 KiB
Matlab
73 lines
2.5 KiB
Matlab
%%
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clear; close all; clc;
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%% Load Measurement Data
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spindle_1rpm_table = readtable('../../Measurements/Spindle/10turns_1rpm_icepap.txt');
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spindle_60rpm_table = readtable('../../Measurements/Spindle/10turns_60rpm_IcepapFIR.txt');
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disp(spindle_1rpm_table(1, :));
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spindle_1rpm = table2array(spindle_1rpm_table);
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spindle_60rpm = table2array(spindle_60rpm_table);
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%% Convert Signals from [deg] to [sec]
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speed_1rpm = 360/60; % [deg/sec]
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spindle_1rpm(:, 1) = spindle_1rpm(:, 2)/speed_1rpm; % From position [deg] to time [s]
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speed_60rpm = 360/1; % [deg/sec]
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spindle_60rpm(:, 1) = spindle_60rpm(:, 2)/speed_60rpm; % From position [deg] to time [s]
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%% Convert Signals
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% scaling = 1/80000; % 80 mV/um
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scaling = 1e-6; % [um] to [m]
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spindle_1rpm(:, 3:end) = scaling*spindle_1rpm(:, 3:end); % [V] to [m]
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spindle_1rpm(:, 3:end) = spindle_1rpm(:, 3:end)-mean(spindle_1rpm(:, 3:end)); % Remove mean
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spindle_60rpm(:, 3:end) = scaling*spindle_60rpm(:, 3:end); % [V] to [m]
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spindle_60rpm(:, 3:end) = spindle_60rpm(:, 3:end)-mean(spindle_60rpm(:, 3:end)); % Remove mean
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%% Ts and Fs for both measurements
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Ts_1rpm = spindle_1rpm(end, 1)/(length(spindle_1rpm(:, 1))-1);
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Fs_1rpm = 1/Ts_1rpm;
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Ts_60rpm = spindle_60rpm(end, 1)/(length(spindle_60rpm(:, 1))-1);
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Fs_60rpm = 1/Ts_60rpm;
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%% Find Noise of the ADC [m/sqrt(Hz)]
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data = spindle_1rpm(:, 5);
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dV_1rpm = min(abs(data(1) - data(data ~= data(1))));
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noise_1rpm = dV_1rpm/sqrt(12*Fs_1rpm/2);
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data = spindle_60rpm(:, 5);
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dV_60rpm = min(abs(data(50) - data(data ~= data(50))));
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noise_60rpm = dV_60rpm/sqrt(12*Fs_60rpm/2);
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%% Save all the data under spindle struct
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spindle.rpm1.time = spindle_1rpm(:, 1);
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spindle.rpm1.deg = spindle_1rpm(:, 2);
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spindle.rpm1.Ts = Ts_1rpm;
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spindle.rpm1.Fs = 1/Ts_1rpm;
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spindle.rpm1.x = spindle_1rpm(:, 3);
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spindle.rpm1.y = spindle_1rpm(:, 4);
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spindle.rpm1.z = spindle_1rpm(:, 5);
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spindle.rpm1.adcn = noise_1rpm;
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spindle.rpm60.time = spindle_60rpm(:, 1);
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spindle.rpm60.deg = spindle_60rpm(:, 2);
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spindle.rpm60.Ts = Ts_60rpm;
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spindle.rpm60.Fs = 1/Ts_60rpm;
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spindle.rpm60.x = spindle_60rpm(:, 3);
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spindle.rpm60.y = spindle_60rpm(:, 4);
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spindle.rpm60.z = spindle_60rpm(:, 5);
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spindle.rpm60.adcn = noise_60rpm;
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%% Compute Asynchronous data
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for direction = {'x', 'y', 'z'}
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spindle.rpm1.([direction{1}, 'async']) = getAsynchronousError(spindle.rpm1.(direction{1}), 10);
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spindle.rpm60.([direction{1}, 'async']) = getAsynchronousError(spindle.rpm60.(direction{1}), 10);
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end
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%% Save data
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save('./mat/spindle_data.mat', 'spindle');
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