Simulink Control Design™ - MathWorks

You can use the viewer as a tool to diagnose issues. Examples of issues that impact the accuracy of the frequency response estim ...

Excitation of non-linearities Running into instabilities Step 3: Estimating Frequency Response Using Chirp Input Signal Anothe ...

Close the model: bdclose('scdengine'); See Also frestimate More About “Frequency Response Estimation Basics” on page 5-2 See A ...

Linearization Validation in Frequency Domain Using FRESTIMATE This example shows how to validate a block-by-block analytical lin ...

Port: 1 Signal Name: Linearize the model using the linearize function. The model is preconfigured to use an operating point o ...

Create a sinestream input signal. Use the linearization result as an input argument to automatically set various parameters of t ...

Compare the analytical linearization result against the frequency response data from frestimate. The frequency response data and ...

More About “Validate Linearization In Frequency Domain” on page 2-145 “Validate Linearization In Time Domain” on page 2-141 5 ...

Describing Function Analysis of Nonlinear Simulink Models This example shows how to use the frequency response estimation to per ...

Step 2: Describing Function Analysis of Saturation Nonlinearity The saturation nonlinearity has the following sinusoidal input d ...

You can compute the describing function for saturation nonlinearity using FRESTIMATE over the same set of amplitudes for a fixed ...

N_A_withfrest(ct) = real(sysest.resp); end plot(A,N_A,A,N_A_withfrest,'r*') xlabel('Amplitude');ylabel('N_A(A)');title('Describi ...

bdclose('scdsaturationDF'); scdsaturationDFcl mdl = 'scdsaturationDFcl'; L = zpk([],[0 -1 -10],1); w = logspace(-2,2,50); A_DF = ...

io(1) = linio('scdsaturationDFcl/r',1,'input'); io(2) = linio('scdsaturationDFcl/Linear',1,'output'); for ct = 1:numel(A) in = f ...

Close the model: bdclose('scdsaturationDFcl') See Also frest.Sinestream | frestimate See Also ...

Speed Up Frequency Response Estimation Using Parallel Computing This example illustrates how to speed up frequency response esti ...

To check if a MATLAB pool is open, use the gcp function. If no pool is open, open one using the parpool function. if isempty(gcp ...

Create a sinestream input signal with a 'OneAtATime' simulation order. in = frest.Sinestream('Frequency',logspace(-1,1,50),'Ampl ...

In general, parallel computing significantly speeds up frequency response estimation using frestimate. The actual processing tim ...

Distribute Simulink Simulations for Input Channels When the number of linearization input points or the number of channels in a ...