# 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...

mer än ett år ago | 1 answer | 0

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answerQuestion

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...

mer än ett år ago | 0 answers | 0

### 0

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

mer än ett år ago | 0 answers | 0

### 0

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...

mer än ett år ago | 1 answer | 0

### 1

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...

mer än ett år ago | 0 answers | 0

### 0

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...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

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.

mer än ett år ago | 1 answer | 0

### 1

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?

mer än ett år ago | 0 answers | 0

### 0

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...

mer än ett år ago | 1 answer | 0

### 1

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...

mer än ett år ago | 2 answers | 0

### 2

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 ...

mer än ett år ago | 1 answer | 0

### 1

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. ...

mer än ett år ago | 1 answer | 0

### 1

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...

mer än ett år ago | 1 answer | 0

### 1

answerWhat does the Following mean in Simulink

I am getting the following error

mer än ett år 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

mer än ett år ago | 2 answers | 0

### 2

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 ...

mer än ett år ago | 1 answer | 0

### 1

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...

mer än ett år ago | 1 answer | 0

### 1

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...

mer än ett år ago | 0 answers | 0

### 0

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 ...

mer än ett år ago | 1 answer | 0

### 1

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.

mer än ett år 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 ...

mer än ett år ago | 2 answers | 0

### 2

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...

mer än ett år ago | 0 answers | 0

### 0

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

mer än ett år 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.

mer än ett år ago | 0

Question

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

mer än ett år ago | 2 answers | 0