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Sam Chak


Last seen: Today Con actividad desde 2020

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Dot product does not work for symbolic vectors
Probably it has something to do with how MATLAB interprets 'gamma1(t)' . syms t g y real syms alpha1(t) beta1(t) gamma1(t) s...

alrededor de 2 horas hace | 0

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Derivative of state '1' in block 'F16_Aircraft_MODEL/6DOF (Euler Angles)/p,q,r ' at time 0.0 is not finite. The simulation will be stopped.
The Error message "Division of ZERO" is clear. Most likely the input signal [V] to the Division block is zero. Please assign cho...

alrededor de 17 horas hace | 0

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Obtaining the proportional, derivative and integral gains from a specific settling time and overshoot inputted using a Simulink block diagram
Hi @Gallad Isse The systune tool might be a viable option for tuning the Controller to achieve the desired TuningGoal as closel...

1 día hace | 0

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Find State Space Representation of Linearized non-linear System to find State Space Representation in Canonical form MATLAB
Hi @Jonathan Frutschy I have conducted a simulation of the motion for 600 masses using the ode45 solver. Please refer to the co...

1 día hace | 0

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How can I improve my voltage controller?
Hi @Pablo In general, when designing a model-based controller in conventional simulation platforms, you gain complete control o...

2 días hace | 0

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Similar results in type-1 and type-2 fuzzy logic controller applying in MIMO systems
Hi @F. Paul The reason for the similarity lies in the fact that the performance of the Type-2 fuzzy logic controller behaves ak...

3 días hace | 0

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Find State Space Representation of Linearized non-linear System to find State Space Representation in Canonical form MATLAB
Hi @Jonathan Frutschy Given that no original MATLAB code for the nonlinear system is provided, I believe it would be more effic...

4 días hace | 0

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Ramp block having reset option
Hi @Andraz If you have a good understanding of the fundamental mathematics behind a line graph, then theoretically, you should ...

5 días hace | 0

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need name of the block in simscape tools
Hi @Hamid Ullah It appears to be a Simscape block diagram. Simscape components cannot be connected directly to the Scope block....

5 días hace | 0

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Trying to determine roots of this polynomial (Det)
k = [1750 -750 0; -750 1250 -500; 0 -500 500]; m = [75 0 0; 0 75 0; 0 0 50]; D = inv(m)*k; syms x I = [x,0,0;0,x,0;0...

5 días hace | 0

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a nonlinear system and its control input in simulink
Hi @controlEE The control signal plotted in your comment is incorrect. Since you have completed the learning tasks and are capa...

7 días hace | 1

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I want to find two missing parameters in an ODE system of equations using regression/optimization in MATLAB
Hi @naiva saeedia I have prepared a simple demonstration below to illustrate that the fmincon optimization solver can be utiliz...

8 días hace | 0

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integrate for long equation
Hi @GUILU You can DIVIDE the integrand and then CONQUER it. Once you've done that, you can validate the result by comparing it ...

10 días hace | 1

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How do I solve the following Algebra equation?
Algebraically speaking, since there is no equal sign '', it is not an equation and there is technically nothing to solve in the ...

12 días hace | 0

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Particle swarm algorithm in Fuzzy Logic Designer is breaking unity sum property of membership functions, how can I stop this?
Hi @Ben Hatrick I have rarely used PSO to tune fuzzy systems, and I hadn't realized this phenomenon until you brought it up. ...

13 días hace | 0

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hi how can i evaluate the function below from x=1,x=2 into a step of 0.1 y=x/(x2+1)
syms x y = eval('x/(x^2 + 1)') % <-- check if the function is correct xa = 1; % start point of [xa ≤ x ≤...

13 días hace | 0

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How to expand this formula in Matlab/simulink
If the symbol is related to the complex variable as defined in the Laplace transform, then you can use the Transport Delay bloc...

13 días hace | 1

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Plotting a 3-value graph
Refer to the examples in yyaxis documentation. x = linspace(0,10); y = sin(3*x); yyaxis left plot(x,y) z = sin(3*x).*exp(...

14 días hace | 0

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How can I define a block ( Transfer Fcn) in simulink?
Hi @M1A Linear time-invariant models with more zeros than poles are not supported in Simulink. However, you can create such a m...

15 días hace | 1

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how to add subscript into transfer function and constant block parameter
Hi @Olarewaju Update: In order to create a model block with a visually appealing display of mathematical notation, I personally...

15 días hace | 0

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I am running into trouble answering the question asked in the description.
Hi @Jackson, You have been provided with the MATLAB script 'Project2_Q1.m' to plot the solution curves for question Q1(a). To ...

15 días hace | 0

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problem with matlab function in simulink (inpunt problem)
Hi @Alya Bostani Is this the expected result for ? Try fixing the code in the matlabFunction block. t = 0:0.01:10; P = as...

15 días hace | 0

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a nonlinear system and its control input in simulink
Hi @controlEE Great job on your progress shown in the comment. Now, I'd like to share my piecewise function formula with you: ...

16 días hace | 1

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How to get graph properties on Live script? e.g. Rise time, setting time etc.
Can use the stepinfo() command. G = tf(1, [1, 10, 20]) % the transfer function stepinfo(G) step(G), grid on

16 días hace | 2

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Hello all, I have a little problem with my simulink model. So, I can't connect this block each other like I had in past model from old version Matlab. Do u mind, how solve ?
Hi @Bogdan The blocks you're looking for are likely still present in the MATLAB directory, although they may be hidden within s...

16 días hace | 0

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I can't see the cosine graph. How do I generate the cosine graph using 2^10 samples?
deltat = 0.001; nsamples = 2000; time =[0 : deltat : deltat*(nsamples-1)]; size(time) % for i = 1:nsamples ...

17 días hace | 0

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Solving a system of Non Linear Differential Equations
Hi @kdv0 Apart from the incorrect initial value for , which should be , the rest of the information in the code is correct. The...

17 días hace | 0

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Plotting an Inverse Laplace Function
Not exactly an answer, but rather an attempt to recreate the 'answer' that was displayed in your Command Window. It appears th...

18 días hace | 0

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How to fix my linear fit model?
Hi @Jenni Upon initial inspection, it appears that the data follows the trend of the ReLU function, which is a piecewise linear...

18 días hace | 1

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Simulation for a standalone wind turbine with a DFIG
There is an example for a wind turbine with a Doubly Fed Induction Generator (DFIG). Type "DFIG" at the Help Center to search ...

18 días hace | 0

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