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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);

約4年 前 | 1

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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 ...

約4年 前 | 1

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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 + ...

約4年 前 | 1

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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);

約4年 前 | 0

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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...

約4年 前 | 0

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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...

約4年 前 | 0

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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...

約4年 前 | 1

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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...

約4年 前 | 1

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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...

約4年 前 | 0

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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 ...

約4年 前 | 0

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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...

約4年 前 | 1

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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 ...

約4年 前 | 0

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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...

約4年 前 | 0

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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,...

約4年 前 | 1

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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...

約4年 前 | 0

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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...

約4年 前 | 1

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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...

約4年 前 | 2

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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...

約4年 前 | 0

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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) ...

約4年 前 | 0

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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...

約4年 前 | 1

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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...

約4年 前 | 2

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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...

約4年 前 | 2

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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...

約4年 前 | 0

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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...

約4年 前 | 1

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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...

約4年 前 | 2

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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...

約4年 前 | 1

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system of linear differential equation with Runge Kutta Method 4 order
@Diksha Gautam You can follow the examples to use ode45(): https://www.mathworks.com/help/matlab/ref/ode45.html % constants ...

約4年 前 | 1

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How to plot a function
@Nouha Amine You can do something like this: x = 0.1:0.01:10; y1 = x.^(-2.9-0.1); y2 = x.^(-2.9+0.1); plot(x, y1, x, y2) y...

約4年 前 | 1

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PID tuning Gain Scheduling Technique for Temperature Control System
Hi @Isyraf Izuddin Thanks for showing the model of the furnace system. First things first, perform a basic analysis to understa...

約4年 前 | 2

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Why do the eul2quat and quaternion functions differ on the calculated results?
Hi @cui I remember that previously we have talked about that Euler angles and quaternion are not unique. You need to check the ...

約4年 前 | 1

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