I would like to generate the impulse response of a linear or nonlinear system using MATLAB, SIMULINK, impulse, lsim, or ode45.
I also wonder if there are any examples showing how to generate an impulse response.
MATLAB: How to generate the impulse response of a linear or nonlinear system using MATLAB, SIMULINK, impulse, lsim, or ode45
Control System ToolboxSimulink Control DesignSimulink Response Optimization
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To determine the magnitude and phase response of any linear, time-invariant (LTI) system, you need to get the impulse response of the system in the time domain. This can be done by adding the "Discrete Impulse" block (DSP Sources Library) as the input to your filter system. The output of the system is then defined to be its impulse response.
After you have the impulse response, you want to take the FFT (Transforms Library), and separate the complex output of the FFT into the Magnitude and Phase components by the "Complex to Magnitude-Angle" block (Math Operations Library). You can then configure the outputs accordingly.
An example is attached to this solution.
You can check all the functions for the Control System Toolbox here
Next time if you want to make sure a function exist in a certain toolbox, just search for the toolbox and then scroll down to the bottom of the page and you will find "Functions and Other Reference".
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