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# Arvind Sathyanarayanan

##### Last seen: 2 months ago
65 total contributions since 2018

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Plotting amplitude response and phase
You can use the bode command to get the magnitude and phase response. Try: bode(sys);

1 year ago | 0

powergui and ideal ac source issue
Timothy, Guessing based on your desciprition, it seems like the time step might not be large enough. If you're using a fixed s...

2 years ago | 0

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How to specifiy the parameters of "Distributed Parameter line" block?
Sam, If you know the RLC parameters of your cable, you can use the pi section line or you could just lump the parameters and us...

2 years ago | 0

Is it possible to use "add_line()" betwen "Model Reference" Blocks

2 years ago | 0

I want to use variable capacitor in SimPowerSystems like in simscape.How can i do it?
There is no block that will readily let you do this in SimPowerSystems but, the Simscape foundation library has a time varying c...

2 years ago | 0

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Solved

Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

2 years ago

Solved

Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

2 years ago

2 years ago | 0

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my for loop is not extracting all the possible values
Have you tried this: for idx=0.0:0.1:3 if any(x(:)==idx) %if they equal and it is true, thus returning 1 [row,co...

2 years ago | 0

Converting Simscape DC Voltage Source to Simulink
Mitchell, thanks for the screenshot. If I understand you correctly, you're trying to use Simscape foundation library. The best...

2 years ago | 0

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Find out if X out of Y elements of an array are true
You can do something like this : X=sum(Array(:) == 1); if X>=4 disp('4 or more elements are true') end If they are 1s ...

2 years ago | 0

Exit Matlab from a Simulnk callback function
Using the quit force command will let you overcome the error. Please make sure you save everything you need before running the c...

2 years ago | 0

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How to work with livescripts in Simulink projects
Sarah, I tried this on 2017b and I'm able to add livescripts to my project files. Please see the screenshot. Are you adding ...

2 years ago | 0

Converting Simscape DC Voltage Source to Simulink
Mitchell, Can you attach the model or post a screenshot so we can see the blocks you're trying to connect? If you're using t...

2 years ago | 0

How do you connect simscape elements to other elements in the Simulink?
Pooya, To connect SimPowerSystems to SimElectronics, try using the Current-Voltage Simscape Interface. There are some examples...

2 years ago | 1

import large csv file
Use the readmatrix() command to import the csv file. The 'Output Type' arugment will let you change the data type and 'Range' ar...

2 years ago | 0

Pid block output limitation
You were on the right path, the way to do is this by adding your own saturation block to the individual branches. Since Matlab d...

2 years ago | 0

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How can I integrate SimscapeBlock (Exponential Diode) into SubSystem (with powergui) electrical network?
You'll have use the current-voltage simscape interface to do this. Please this and this.

2 years ago | 0

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What happens when you type it in the command window and press enter? If you get this: Undefined function or variable 'sdl_vehic...

2 years ago | 0

Can someone help me solve this problem (Array indices must be positive integers or logical values)
The issue is with length(CPap). You're trying to divide sum(abs(diff(CPap)))*freq by length(0.3), in your case length is not an ...

2 years ago | 0

How do I change the time unit of my signal (from second to hour) in the signal builder block?
Felix, I don't think you change the time to hours but in reality time in simulink is unitless. Please see this answer.

2 years ago | 0

Zener Diode for Simscape.
The power_zener uses the Specialized Technology library but, the your model is built using the Simscape library. To use a diod...

2 years ago | 1

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i need help with inuptdlg
Ah! The syntax for inputdlg() is: answer = inputdlg(prompt,dlgtitle,dims,definput) The error was because when defining the def...

2 years ago | 0

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i need help with inuptdlg
You could specify default values for the 4 inputs. Example: prompt = {'Choose the figure name','Choose the Tree name',... ...

2 years ago | 0

How can I generate a physical square signal of boolean type on Simulink?
You need the double data type to drive the switches but, using the NOT (or any logical operator) changes the data type to boolea...

2 years ago | 2

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MATLABWindow.exe crashes when closing app or app creator
I beileve this is a bug with 2017b. I faced a similar issue when I used app.delete; to close my app. Have you tired installing t...

2 years ago | 0

how can I plot smooth graph
A moving average filter might do the job. Play around with the number of points to preserve the peak value. N = 10; h = (1/N)...

2 years ago | 0

Control System Toolbox - Linear Analysis
To place the linear analysis points, you need to right click the line and select the type of point you want to use. See image be...

2 years ago | 1

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