Answered
Please help for objectiveFunction command.
Hi @SOUVIK The input argument to call fmincon() is incomplete. I prefer the ode45 solver over the Euler integration method. How...

2 years ago | 1

| accepted

Answered
Design of Simulink block
Hi @Aniebiet, The GoTo block passes its input to its corresponding From blocks, which may be connected to the input port of so...

2 years ago | 0

Answered
How can I define this differential equation in matlab syntax to solve it using ode45 ?
Hmm... @Namit Dayal, but you declared that "gammadot is not a differential term". Thus, only is regarded as the differential te...

2 years ago | 1

Answered
Transfer Function Implementation with s and sqrt
Hi @Anastasios The transfer function that describes the mapping from the input (input Current) to the output (output Voltage) a...

2 years ago | 0

Answered
converging criteria problem in for loop in bisection method of finding roots.
Hi @MD You can change the for-loop to a while-loop and x(i) to xnew. Also, insert the initial count. The new search interval cr...

2 years ago | 0

| accepted

Answered
Hi. Can anyone provide the matlab code for spectrum sensing in cognitive radio using K-means?
Sure @Alcides, the code for computing the k-means clustering is available in this link: https://www.mathworks.com/help/stats/km...

2 years ago | 0

Answered
i need matlab function to minimize power losses for optimal allocation of ev charging station
Hi @Asmaa Naser There are several built-in optimizer functions you can try to minimize power losses. Find them here: https://w...

2 years ago | 1

Answered
How to evaluate the performance metrics Accuracy, precision, recall, f1Score on the tuned FIS?
Hi @Ahmad Most special performance metrics are user-defined, and only designers understand what they really mean. A simple test...

2 years ago | 0

Answered
Please how do i apply Particle swarm optimization to a sun tracking system while using IMC
Hi @Victor Francis Logically, if the solar tracker perfectly follows the trajectory of the Sun, ensuring that sunlight strikes ...

2 years ago | 0

Answered
How to find the max Phase lead provided by a Compensator?
Hi @Gidel You can also check using the bodeplot() for visual and the bode() for finding the max angle. sys = tf([1 1], [1 3]) ...

2 years ago | 1

Answered
can someone help me with this transfer function in simulink?
Hi @BT First, you need to transform the system model from a transfer function to state-space (obtain the matrices). Then, const...

2 years ago | 0

| accepted

Answered
How to convert symbolic transfer function to state space?
Hi @Ali Almakhmari @Paul's method is to use tf2ss(). In the past, I used this approach, but now I no longer use it since learni...

2 years ago | 0

Answered
Simulink add Transferfunction as binominal equation
Hi @Gunnar Schmidt Technically, if the parameters do not change during the simulation in Simulink, then the Zero-Pole block sho...

2 years ago | 0

Answered
How to convert symbolic transfer function to state space?
Hi @Ali Almakhmari I am uncertain about your intention regarding the symbolic state-space. The state-space object from the Cont...

2 years ago | 0

| accepted

Answered
Solving 4 nonlinear equation for 4 unknowns numerical - doesn't find an answer [0×1 sym]
Hi @Faraz j Fixing the vpasolve() syntax does return some complex-valued solutions, with their real parts close to the values o...

2 years ago | 0

| accepted

Answered
How to fix such type of problem ?
Hi @Assen Beshr Correct me if I interpreted your problem incorrectly. If you want to maximize the real part of the stabilizing ...

2 years ago | 0

| accepted

Answered
Time responses of the steering angle
Hi @Nguyen Finding the values to plot the graph is less useful than having a reliable algorithm to determine the steering angle...

2 years ago | 0

Answered
Second order approximation of a third order system
Hi @Keaton Looper For versions before R2023b release, use the balred() command. Now you can use the newer reducespec() command ...

2 years ago | 0

Answered
how to see training, validation and test regression lot in ANN
Hi @Sunita Here is an example using the plotregression() command. x = 0:10; targs1 = x.^2; outs1 = targs1 + 7*randn(1...

2 years ago | 0

| accepted

Answered
How do I obtain the bode plot of the given transfer function?
Hi @bebo You need to improve your skills in identifying math operators. There are many missing '*' operators % Parameters of t...

2 years ago | 0

Answered
can I ask a several question about automatic control ?
Hi @영석 윤 When a differential equation is given, modeling a system in Simulink requires converting the equation into integral fo...

2 years ago | 0

Answered
Water Storage Tank Modelling
Hi @Abdelmoniem Abomosalam Your question is quite broad, so I recommend starting with the modeling of water tank level control....

2 years ago | 0

Answered
Modeling a water tank system using h(t)
Hi @Maria The equation you showed, , is actually the analytical solution of a 1st-order linear system that exhibits an exponent...

2 years ago | 0

Answered
please help me to this error "Derivative of state '1' in block 'ex/Integrator1' at time 1.3765443114784894 is not finite. The simulation will be stopped. There may be a sing
Hi, your system is unstable and it grows without bound, thus making the simulation stops. Check the formulas of each Gain block....

2 years ago | 0

Answered
Root Locus Plot Is Way Off
Hi @Walter Roberson Based on the description from the OP, the compensated system should form a closed-loop system. The formula ...

2 years ago | 0

Answered
Root Locus Plot Is Way Off
Hi @Arpad It seems that employing the place() command is a more efficient approach to solving the pole placement problem. I wil...

2 years ago | 0

Answered
Root Locus Plot Is Way Off
Hi @Arpad I am uncertain about what your professor intends for you to learn. Initially, the problem seems akin to a standard Po...

2 years ago | 0

Answered
Tune FIS with Training Data
Hi @Ahmad Long story short, the MATLAB data file 'tunedfismpgprediction.mat' contains 2 pre-trained FIS files because this is a...

2 years ago | 1

| accepted

Answered
Please help. The first input argument of the "tf" command cannot be a string.
Hi @Melissa Variable K doesn't a specific value, I want multiply K other variables like TR2... From the root locus, it appear...

2 years ago | 0

Answered
Lotka volterra model for 3 species (1 prey - 2 predators)
Hi @José Manuel This isn't strictly a MATLAB-related question, but I believe animal behaviorists might be able to advise you. A...

2 years ago | 2