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Danilo NASCIMENTO


UFRJ

62 total contributions since 2011

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  • 6 Month Streak
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Answered
I got this error Undefined function 'writeDigitalPin' for input arguments of type 'double'. while using trying to run the code.How do i repair it.I am interfacing arduino and matlab.
I use writeDigitalPin(a,'D9',1); in the command line and it works just fine. However when I go to the GUI and set the same comma...

ungefär ett år ago | 0

Question


Third-party package
Hello, I am using version R2017a and I just can't install the Arduino Support Package. A message like this displays on the sc...

mer än ett år ago | 0 answers | 0

0

answers

Question


changing a parameter inside a continuous transfer function during simulation
Hey guys, I want to change a parameter of a continuous transfer function during a simulation. Is that possible?

ungefär 4 år ago | 1 answer | 0

1

answer

Question


catch time signal perturbation in simulink
Do you know guys how I can catch the exactly time of a perturbation event on a signal? I mean, for example, if I have a signal o...

nästan 5 år ago | 0 answers | 0

0

answers

Question


zero crossing with proportional resonant controller
Hey guys do you know whether is possible to track the blue waveform with a zero crossing as shown in the picture below? The gree...

nästan 5 år ago | 0 answers | 0

0

answers

Answered
matlab作出的图都缩到一块,如何调整?plot plot plot
What do you mean by this?

nästan 5 år ago | 0

Question


how to obtain this waveform
Hey guys do you know anyway of obtaining this waveform using matlab or simulink? It is the boldfaced one. <</matlabcentral/an...

nästan 5 år ago | 1 answer | 0

1

answer

Answered
Connection between simpowersystem and simelectronics for an optocoupler
I've already made it. If someone wants to know how it can be done. I put here.

nästan 5 år ago | 0

Question


Connection between simpowersystem and simelectronics for an optocoupler
Hey guys I'd like to do something similar to what is shown in the picture below. My difficult is in the control part. All the...

nästan 5 år ago | 2 answers | 0

2

answers

Answered
frequency variation during a simulation
I've already made it!

ungefär 5 år ago | 0

Question


frequency variation during a simulation
Hi guys Is there anyway so I can change the frequency of a signal during a simulation using simulink?

ungefär 5 år ago | 1 answer | 0

1

answer

Answered
how to convert a code into simulink block diagram
No, I did not do the wrong way! The problem is that the link already came this way. Here is the link: http://elektroenergetika...

ungefär 5 år ago | 0

Question


how to convert a code into simulink block diagram
Hello guys I've downloaded a file whose extension is a *.mdl. But it came all with text like this way: Model { Name "e...

ungefär 5 år ago | 1 answer | 0

1

answer

Answered
lookup table for a function
I've already solved it!

ungefär 5 år ago | 0

| accepted

Question


lookup table for a function
Hey guys I'm trying to use a lookup table for a function that is not monotonically increasing, but simulink is saying to me th...

ungefär 5 år ago | 2 answers | 0

2

answers

Answered
Simulink Subsystem Simple problem
you may put them both using a discrete time.

ungefär 5 år ago | 0

Question


how to discretize a curve in matlab
Hey guys, I have a graph of a curve, but I do not have the equation of it. So what I want to do is to discretize this curve w...

ungefär 5 år ago | 1 answer | 0

1

answer

Question


how to find the equation that best fit this curve
Hello guys I want to find a equation that best fit this curve I'm sending attached. I tried a polynomial approximation but it...

ungefär 5 år ago | 4 answers | 0

4

answers

Question


lc filter simulink model
Hey guys, I'm sending you a picture of a equivalent model of the output LC filter in the laplace domain. Could you, please, ...

ungefär 5 år ago | 0 answers | 0

0

answers

Question


Discrete Continuous Simulink Question
Hey guys I want to know if there is a problem if a mix continuous and discrete transfer functions in a simulink model.

ungefär 5 år ago | 1 answer | 0

1

answer

Question


Continuous/Discrete Simulink Problem
Hey guys When I use a transfer function 1/(s+1) with input of a constant 1 the output is a signal with amplitude 1 and co...

ungefär 5 år ago | 1 answer | 0

1

answer

Answered
How can a breaker be turned off right at an instant when the current through it is zero.
You can use a thyristor. It is automatically switched off when the current through it is zero.

mer än 5 år ago | 0

Submitted


An Active Power Filter for Low Frequency Ripple Current Reduction in Fuel Celll Application
Perform a active filter for fuel cell to reduce ripple of 2nd harmonic current .

mer än 5 år ago | 4 downloads |

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Answered
Fast creation of vector [0 0 1 1 2 2 3 3... n n]
V=zeros(1,20); k=0; i=1; while i<20 V(i)=k; V(i+1)=k; k=k+1; i=i+2; end V

mer än 5 år ago | 0

Answered
Simulink Switch Box Setup
I think the best way of doing this is using an embedded matlab function box.

mer än 5 år ago | 0

| accepted

Submitted


seven_niveis_cap.mdl
A Cascade Multilevel Inverter Using a Single DC Source

mer än 5 år ago | 4 downloads |

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Answered
Simulink Subsystem Simple problem
Actually I already solved it.

mer än 5 år ago | 0

| accepted

Question


Simulink Subsystem Simple problem
Hello guys, I have three subsystems each one with two ouputs, all the outputs are the same, S1 and S2. I want to assign these...

mer än 5 år ago | 3 answers | 0

3

answers

Answered
Variable size matrix in simulink
I think you should only set the command min(X), where X is the vector that you want to find the minimum element.

mer än 5 år ago | 0

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