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**Content Feed**

Unexpected noise in output voltage for buck converter

The Puse Generator has a period of 1/100000 seconds, which is injecting 100 KHz pulses into your system. The ripple is simply th...

28 days ago | 0

Reproduce electric motor maps as images in Matlab Simulink

A similar question was answered suggesting importing the image into Matlab and then using ginput to extract coordinates of the a...

3 months ago | 0

Determining time elapsed in between two successive pulses of a signal

I updated your code a bit and fed in an artificial signal. It works but has a slight error due to loop delays running on my comp...

4 months ago | 1

| accepted

How best to gather signals from all over a SIMULINK model to one subsystem

I moved your root model into a subsystem and used Bus Element Out(s), which was then connected to a new input on "get data" subs...

5 months ago | 0

A question about FOC current control for PMSM

The decoupling control is not quite correct for the PMSM motor you are using. You need to insert a multiplier by the number of p...

5 months ago | 1

| accepted

How to measure the steady state amplitude of a control system output

Try using this app. It injects a sine wave and measures the gain and phase after a number of cycles that you specify. https://w...

5 months ago | 0

How to programmatically know if a block is a sink block?

I had to add some complexity to your code to make it work on my sample file. modelfile = 'SinkXY';% Or whatever your model file...

5 months ago | 0

Submitted

Frequency Response Analyzer

Perform frequency analysis of your Simulink model without linearization

5 months ago | 12 downloads |

Need help with simple Simulink

This seems to do the trick. It produces the following result.

6 months ago | 1

| accepted

Simulation of a missile valve with Simscape

Hi Tom, A flip-flop will latch the valve shut once the flow reaches the threshold and keep it shut until you manually reset it....

6 months ago | 1

| accepted

Coding philosophy : Is using global goto like using a global variable?

The thing about global visibility is that this signal can be accessible anywhere in the entire model, from sub-system to sub-sys...

6 months ago | 1

Calling a function using ode45 in App Designer results in unrecognized function

Note that I had answered my own question.

6 months ago | 0

How make single block diagram with this given parameters?

Hi. If you are using a Transfer Fcn block and have the coefficients defined in your workspace, then enter the equations in the b...

7 months ago | 1

| accepted

Frequency domain to Time domain Using IFFT : Symmetric figure problem

Your function produced a vector of complex numbers called "A". The original sequence will be reproduced using ifft(A). But the f...

7 months ago | 0

Substitute s for jw in a transfer function

Matlab uses the reserved constant "i" which is set equal to sqrt(-1). Using your transfer function as defined try the following...

7 months ago | 0

Sample and hold block (Simulink) - initial value dominates at t = 0?

I don't have the DSP System Toolbox so have replaced the Sampe and Hold with a Triggered Subsystem which exhibited the same prob...

7 months ago | 1

| accepted

Question

Plots are stuck on semi-log axis

I have created an app that plots on UIAxes either with a plot command or semilogx command depending on a switch value. But once ...

7 months ago | 1 answer | 0

### 1

answerQuestion

Calling a function using ode45 in App Designer results in unrecognized function

In a private method function in App Designer I am using an ode45 call that refers to another function defined within the same ap...

7 months ago | 1 answer | 0

### 1

answerpdepe problem (numerical vs analytical solution)

I don't think you were summing the terms of your series expansion correctly. The attached code carries out the expansion summati...

7 months ago | 0

| accepted

Assigning roots as variables to a function

The output of the roots function can be assigned to a workspace array variable and printed out as you wanted. See the simple exa...

7 months ago | 0

| accepted

I have two voltage sources and I would like to get equal V_out from both sources to allow for a parallel connection. Does anyone have a suggestion on how I can use the Average DC DC converter to achieve this?

Trying to place power supplies in parallel with each will cause great unhappiness. At best you might tie the outputs together th...

7 months ago | 0

Integrate a signal over the last x seconds

Using a combination of an integrator, transport delay and summer where you subtract the value of the integrator output from 30 s...

8 months ago | 0

| accepted

Fourier series of a sawtooth wave

You are multiplying by pi on the 2nd through 10th harmonics instead of dividing.

8 months ago | 0

| accepted

Solving probability problems with MATLAB

Here is my take using a for loop. I wouldn't mind seeing how it is done without using a for loop %% MonteCarloBadApples.m % Au...

8 months ago | 0