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Feeds
Is there a way to determine an equivalent circuit for Nyquist diagrams (I have the data set) using Matlab (or Simulink)?
Hi @Arthur FdA I'm unfamiliar with your circuit system. However, if you have the data in the form of frequency-response, then y...
etwa 18 Stunden vor | 1
for the parameter space in fuzzy logic , how can i choose the value of the numbers ?
Each selected membership function type requires the parameters to be specified as a vector. The length of the parameter vector d...
2 Tage vor | 0
Asking about fuzzy mamdani rule
Please refer to the example in the link for constructing a fuzzy inference system at the MATLAB command line. https://www.mathw...
2 Tage vor | 0
No rules fired for Output 1. Defuzzified output value set to its mean range value 2.3873.
Hi @Eliane Fernández I replicated the Warning message in the example below. It is easier to understand why the warning occurs b...
2 Tage vor | 0
Error in Simulink - Derivative of state '1' in block at time 301.02267725 is not finite. The simulation will be stopped. There may be a singularity in the solution.
Hi @federica terlizzi % Derivative of state '1' in block 'gam_control1/PID Controller2/Integrator/Continuous/Integrator' % at...
2 Tage vor | 0
changes the parameters of a fuzzy Inference system in run time
Hi @gaurav kumawat If you enter fixed numeric values in the block parameters of the membership function blocks or in the fuzzy ...
3 Tage vor | 0
why is the Transfer fcn like this instead of showing in variable s?
Hi @Saeid It's because the block is not big enough to display . Click at the corner of the block and drag it horizontally unti...
4 Tage vor | 0
fuzzy logic controller failed design problem
Hi @KAO CHUN YU The singleton (constant) output membership functions in Fig. 5 indicate that this is a Sugeno fuzzy system; how...
5 Tage vor | 0
Possibility of Custom Denominator of Transfer Function within Simulink
Hi @Alexander Gaudreau For a variable gain in a dynamic model, you can try describing the system using MATLAB Function block. ...
5 Tage vor | 0
| akzeptiert
How to change the Type of MF from trimf to constant in the Fuzzy Logic Designer app?
Hi @m gh You can convert the Triangular MFs to Singletons (constant MFs) using this workaround, by specifying all three triMF p...
5 Tage vor | 0
Custom Sugeno Fuzzy Model
Hi @Mojtaba Hasanzadeh As of the R2024b release, custom output membership functions are still not supported for Sugeno systems ...
6 Tage vor | 0
Too Much Variables in Fuzzy Logic and ANFIS
Hi @YTU With 13 inputs and 5 membership functions each, the total number of rules exceeds more than billion rules when using t...
6 Tage vor | 0
the neuro fuzzy sistem modify the membership function in input or in output?
Hi @astrubale ponzio In the following simple example, the ANFIS is trained to fit a trapezoidal set-based fuzzy system to the i...
7 Tage vor | 0
How to fit this model with a Weibull distribution?
Hi @Michele Turchiarelli I normalized the x-axis data to facilitate the fitting algorithm's search process. Is this solution ac...
7 Tage vor | 1
| akzeptiert
How to design constant membership functions (singletons) for the output of a Mamdani fuzzy system?
Hi @Peddireddy This is a decade-old question, but it is indeed possible to implement a Mamdani fuzzy system (MamFIS) for the ou...
8 Tage vor | 0
Expert System using Fuzzy Logic
Hi @Arief The Fuzzy Tipper example is considered an Expert System for describing the tipping behavior that is typically practic...
8 Tage vor | 0
What are the meanings of fuzzy rules expressed in indices format?
Hi @Yadollah Sabri 1 1, 1 (1) : 2 2 0, 2 (1) : 1 This approach is one of several ways to specify the rules using membership f...
8 Tage vor | 0
How to implement the linear output function in Takagi–Sugeno Fuzzy System?
Hi @m To describe the equation (a flat plane surface), use the syntax 'linear', [1 1 2] in the addMF() command for the output ...
8 Tage vor | 0
Curve fitter limitation for equations in the form f(x,y)=a*x^n/(y+b)^m
Hi @Boyan Given that there are only data points, employing a bivariate polynomial of degree two in and degree four in will e...
10 Tage vor | 1
| akzeptiert
My roots don't match example roots when solving routh criterion
Hi @Jhryssa From Part (a), you should have obtained the stable range of : . Part (b) instructs you to verify the stability resu...
10 Tage vor | 0
I have a problem in which I have to define a fuzzy membership function with variable x(1) x(2) like below. For these variables I have to generate random number between 1 and 5. x(1)<x(2). What will be code for that?
Set a constraint on so that . fis = sugfis; %% Random integer generator n1 = 3; n2 = 5 - n1; x1 = randi(n1, 1); x2 ...
12 Tage vor | 0
How to get inputs from outputs in fuzzy interface system?
Hi @amir There is no built-in function in the Fuzzy Logic Toolbox to accomplish this. Moreover, if the fuzzy inference system (...
14 Tage vor | 0
Which "AND" operator is used for the fuzzy rules created by ANFIS?
Hi @Gary By default, ANFIS generates a single-output Sugeno fuzzy inference system. The 'AND' operator is specified in one of t...
14 Tage vor | 0
How to see the firing strength using command line of a fuzzy System?
Hi @Luis M The firing strengths can be obtained from the 5th output argument of the 'evalfis' command. Howevern note that this ...
14 Tage vor | 0
Membership function not plotting right
Hi @Juan Lopez Specifying the number of data points (numPoints) in the 'plofmf' command to plot for each MF will solve the prob...
14 Tage vor | 0
Problem in curve fitting using curvefitter app
Hi @Farkhanda Azmi I fitted the data using a logarithm function: %% Data load('yvalues_curvefit_case.mat'); y = y3a_DOD_...
15 Tage vor | 0
My Numerical Solution doesn't align with the exact solution
Hi @Prince Nino Perhaps you should verify the results with your Professor. You can also change the initial condition. %% Numer...
15 Tage vor | 1
What system of ODE's does Simscape Electrical's DC Motor Block use?
Because and , therefore . Note that you already have the term in your differential equation .
21 Tage vor | 0
Matlab ODE 4.5 Runge Kutta problem solver. Can't get it to work for one problem set.
Hi @DJ V You forgot to supply the values for l and n. theta = 0; phi = 0; psi = 0; Ctheta=cos(theta); Cphi = cos(phi); Cp...
22 Tage vor | 0
Very large output numbers
Hi @Marcos Proper transfer function should have the degree of the numerator less than or equals to the degree of the denominato...
22 Tage vor | 0
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