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set parametre fractional Transfer Function block
@bilel kanzari, try if this works: set_param('FOPID_Model3eme_critq/LOW', 'polePoly', 's^3.3 + 11s^1.7 + 32s + 25');

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CC CV control with Frequency modulation
Hi @SALAH alatai Try following the examples on using these functions to extract the mathematical model. https://www.mathworks...

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field-oriented control for induction motor
Hi @ayoub reffai Don't give up! If you can extract the mathematical model (differential equations / state-space model) from t...

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How to make the following shape in Matlab
Hi @Med Future Edit: Make good use from @Walter Roberson's polynomial regression model of the second pulse from the OP's second...

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my plot is not showing up
Now it should work EG = (1 + n2*Vf)./(1 - n2*Vf); %Es/Gm plot(Vf, EG);

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How to solve coupled odes with two time dependent variables with ode45?
Hi @Ari Dillep Sai Not sure what went wrong and why it is unstable. If you are absolutely sure that the absorption dynamics is ...

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Want to Plot a multi line graph in Matlab
Like this? x = 2:0.01:16; y1 = 15*x + 270; y2 = (6.6964e-04)*x.^4 - (2.6786e-02)*x.^3 + (9.0625e-01)*x.^2 - (1.2768e+01)*x + ...

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Hello how can I change k values from MATLAB?? I need a script to control these values. Please help me!!
Okay, please use the MATLAB optimized nominal K values: Kp = 1 + sqrt(2); Ki = 1; Kd = 1 + sqrt(2);

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Create a simple map for a robot to travel on
Hi @Sebastian Jäger The following articles maybe informative for you in creating maps: https://www.mathworks.com/help/nav/re...

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Logic/formulas of temperature contoller of heat pump compressor
Hi @Anton Frik Thermal system is commonly described as a 1st-order system, thus it is common for the control logic to use Propo...

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Searching for Minimum of a function
Hi @Iliana Zheleva You should analyze the function so that you get to see where the solution might be and it allows you to gues...

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How to tune this Transfer Function using Zieger nichols or Cohen coon
@Isyraf Izuddin There is a typo in the denominator: s^3 I think that Ziegler-Nichols and Cohen-Coon methods are more suitable...

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1/0.8x^2+0.5x+2
Okay @Fernando Cerna Sanchez Based on the order of operations using PEMDAS: Parentheses, Exponents, Multiplication and Division...

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how to use simulink block
You need 5 blocks and connect them in this sequence from the Left to the Right. Begin with the *Clock block* and that's the ...

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sigmoid pid equation in matlab
Hi Shah I'm curious to to see how your designed Kp looks like. What is the pid equation? Edit: Kp is a nonlinear proportional...

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compensator with pole in RHS of s-plane
Basim, you should run a few more simulations under different conditions to verify if the approach works. After that, you should ...

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Solve a numerical function
Hi Issam From the advice of Mr. Roberson, you can create 3 equations from the data points: 691.5802655 = Ge + (G*0.01093...

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ode45,ODE23 , force is not a time dependent function
Hi Gloria You can load data on Excel to Workspace and then use the function interp1(t,Fy,Ts) to interpolate the data set (t,...

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Solving a Simulink Function with Algebraic Loop
Hi @Taha Batur Topsakal This article explains about the Algebraic Loop Concepts: https://www.mathworks.com/help/simulink/ug/al...

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Solve a system of 4 non linear equations with symbolic expressions
Hi @Nordine Bouchelia You can follow the examples in https://www.mathworks.com/help/optim/ug/fsolve.html to create a function...

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How do I plot time vs. velocity with a matrix in Simulink ?
@Nuri Efe TATLI In MATLAB, if a matrix M is given, then this would be: t = M(:,1); % 1st column V = M(:,2); % 2nd col...

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Designing an Observer - Control System
It's a 5th-order system and by choosing relatively large poles (almost 10,000 times), the computation becomes numerically sensit...

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Solve equation system with ode45
Hi Laura First thing first, there are 4 state variables which can be defined (on a piece of paper) by x(t) = z(1) ...

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How do I rewrite this transfer function into the form shown below
Hi @Eden Pfanner You can see the following example to learn how to convert a model from one representation to another using the...

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Dear esteem researchers, please I need help on how to simulate wind gust disturbance effect on quad-copter using simulink...?
Hi @ALABA PHILIP OPAYEMI I think this is how you connect the Sine Wave block (external disturbance) to the Quadcopter system (S...

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How can I sum two plots that don´t have the same number of elements?
I think one of the methods is to perform data interpolation using interp1 so that both curves are interpolated at the same point...

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How to collect and store the coefficient of symbolic differential equation ?
Hi Akash, You can try using coeffs and see if it works for you. Examples are shown in the link. https://www.mathworks.co...

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Have latex (bold) and variable in legend of a figure
Hi @Miraboreasu I think this should work: legend({'$\left[\frac{t v_{p}}{r_{well}}\right] \left(\Pi_{1}\right)$'}, 'Interprete...

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Only positive sawtooth wave using simulink
Hi @Logan Das Using the Repeating Seqence Block in this case is much easier in this case, without mental calculations on the am...

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Not able to find fzero
Hi @Dhawal Beohar Guess the problem that you want to solve is a complex-valued function. function y = difference(u) % param...

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