hysteresis matlab in matlab

Hysteresis can be implemented in MATLAB by using logical conditions and control statements, such as 'if' and 'else'. Here is an example code that implements a simple hysteresis control logic:

main.m
% Define the upper and lower thresholds for hysteresis
upper_threshold = 0.8;
lower_threshold = 0.2;

% Initialize the output signal and the previous output value
output = 0;
prev_output = 0;

% Loop through the input signal
for i = 1:length(input_signal)
    % Check if the input signal is above the upper threshold
    if input_signal(i) > upper_threshold
        % Update the output signal to a high value
        output = 1;
    % Check if the input signal is below the lower threshold
    elseif input_signal(i) < lower_threshold
        % Update the output signal to a low value
        output = 0;
    % Otherwise, keep the output signal the same as the previous value
    else
        output = prev_output;
    end
    
    % Save the current output value as the previous value for the next iteration
    prev_output = output;
    
    % Output the current value of the output signal
    fprintf('Output signal at sample %d = %d \n', i, output);
end
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In this example, the hysteresis control is implemented by checking if the input signal is above or below the upper and lower thresholds, respectively. If the input signal is above the upper threshold, the output signal is set to a high value. If the input signal is below the lower threshold, the output signal is set to a low value. If the input signal is between the upper and lower thresholds, the output signal is kept the same as the previous value. The previous output value is saved at each iteration to be used in the hysteresis control logic for the next iteration.

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