# Varun Nair

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**Content Feed**

Question

How to customise a simscape model by unmasking ?

I wish to add a loss calculation blockset inside a Simscape model of motor (IPMSM) by unmasking. But I am not able to do that. C...

2 maanden ago | 0 answers | 0

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answersQuestion

How to plot a efficiency mapping from my simulink outputs in Matlab

I have built a Motor system model and wish to plot the efficiency mapping of the system using matlab. I am not sure on how m...

2 maanden ago | 0 answers | 0

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answersQuestion

I am getting an error in running the following model

I tried building a motor controller using simulink and tried running but got the error as shown in figure below

3 maanden ago | 0 answers | 0

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answersQuestion

Kindly tell me if the code (MTPA) is wrong for calculating MTPA curve

I wish to get the Id and Iq current from the MPTA curve which I am attaching below and also the the code is attached for referen...

3 maanden ago | 1 answer | 0

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answerQuestion

I am getting error in results while using my simulink PMSM model

I have designed a PMSM simulink model but the results that obtained have some errors. I have attached the file (.slx) file an...

3 maanden ago | 0 answers | 0

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answersQuestion

Where can we find Response Optimisation in 2021a Matlab Simulink Version

I wish to tune a controller paramater Gains in a pmsm motor control. In the earlier versions we could select Response Optimisat...

3 maanden ago | 0 answers | 0

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answersQuestion

How to open model based calibration for Lookup tables in simulink?

I want the model based calibration blockset. I am not aware where to find them.

3 maanden ago | 1 answer | 0

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answerQuestion

How to use the Golden-Section Search for finding the OPTIMISED Angle ?

How to implement the above GSS method into simulink and Matlab as a code?

3 maanden ago | 0 answers | 0

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answersQuestion

I am not able to understand how to implement this into simulink.

This is a stator current and Rotor angle (Beta) look up table under working condition. How can I implement a look up tabl...

3 maanden ago | 1 answer | 0

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answerQuestion

Is there any simple PI controller for Id and Iq current for current control of PMSM motor

I am looking to built a PMSM motor system. I would like to get insights on simpler Id and Iq PI controllers to be used in Curren...

3 maanden ago | 2 answers | 0

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answersQuestion

How to adapt a Field Weakening control in the simulink model in a PMSM system?

I am creating a system and a PMSM motor model as a part of my project. I would like to adapt the following: 1) Include a Field ...

3 maanden ago | 1 answer | 0

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answerQuestion

How to share a .mdl model done in 2021a version to 2019 version

I have a .mdl file (Simulink FIle) created in 2021a version of Matlab. I wish to send the file and open in 2019 version aswell. ...

3 maanden ago | 1 answer | 0

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answerQuestion

How do we fix this in Simulink ?

I have taken a simple D axis Current transformation from looking under mask option of a PMSM motor. Once Implemented in the runn...

3 maanden ago | 1 answer | 0

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answerWhat does the Following mean in Simulink

I am getting the following error

3 maanden ago | 0

Question

What does the Following mean in Simulink

With Reference to calculate Id current, I found following algorithm. Can anyone tell me about the purpose of this

3 maanden ago | 2 answers | 0

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answersQuestion

What is ind2sub

This is the code where I had doubt on the syntax of ind2sub %Parameters A=0.01; %Wb is the unit of A B=0.001; %H is the unit ...

3 maanden ago | 1 answer | 0

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answerQuestion

How to plot an angle (theta) vs Current for the following question

I am new to Matlab. I wanted to find the Torque given as T= A*I*cos(theta) - B*I.^2*sin(2*thetha) with A= 0.01 B= 0.001; I v...

3 maanden ago | 1 answer | 0

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answerQuestion

How to load two variables with different array size (Speed and Torque) into workspace with same size ?

My intenstion is to find the efficiency of the Model with inputs as speed and torque, which is obtained from simulink model simu...

3 maanden ago | 0 answers | 0

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answersQuestion

I have created a PMSM motor model and wanted to validate the motor that I created with the PMSM motor from simscape motor Blockset. Output Te,speed are different that I get

File myFOC_13 is the simulink model. There are two Motor Models, Topmost model is the created model and the model below is the ...

3 maanden ago | 1 answer | 0

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answerI am getting a error code while opening a .mdl file

Hi Walter, thanks for responding. I shall attach the error code for your reference.

3 maanden ago | 0

Question

I am getting a error code while opening a .mdl file

I am getting a error message while opening a .mdl file which says: XYX.mdl not a valid simulink model file name and to check ...

3 maanden ago | 2 answers | 0

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answersQuestion

Can anyone figure the error that I have made on this PMSM model ?

This is a PMSM model which I tried developing. Following were my approach: 1) Maximum usage of self made Simulink blocks rathe...

4 maanden ago | 0 answers | 0

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answersQuestion

Do anyone know any methods to optimise efficiency and see its effects on NVH of PMSM motors

The model should be in phase cordinate system

4 maanden ago | 0 answers | 0

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answersAttaching a simulink model, can anyone tell the equations governing ?

Thanks Sulaymon Eshkabilov, I got the equation. Thanks for your insight.

4 maanden ago | 0

Question

Attaching a simulink model, can anyone tell the equations governing ?

4 maanden ago | 2 answers | 0